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meow #1

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haskal wants to merge 3 commits from haskal/mechanical-fixes into main
pull from: haskal/mechanical-fixes
merge into: sys64738:main
Conversation 1 Commits 3 Files Changed 77 +2044 -2035
30 changed files with 2044 additions and 2035 deletions
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9
.clang-format Normal file
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@ -0,0 +1,9 @@
---
BasedOnStyle: Google
IndentWidth: 4
ColumnLimit: 100
---
Language: Cpp
DerivePointerAlignment: false
PointerAlignment: Left
...

66
bsp/default/DAP_config.h
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@ -135,9 +135,9 @@ This information includes:
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
}
/** Get Product ID string.
@ -145,9 +145,9 @@ __STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
}
/** Get Serial Number string.
@ -155,7 +155,7 @@ __STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetSerNumString (char *str) {
return get_unique_id_u8(str);
return get_unique_id_u8(str);
}
///@}
@ -205,7 +205,7 @@ Configures the DAP Hardware I/O pins for JTAG mode:
- TDO to input mode.
*/
__STATIC_INLINE void PORT_JTAG_SETUP (void) {
;
;
}
/** Setup SWD I/O pins: SWCLK, SWDIO, and nRESET.
@ -214,7 +214,7 @@ Configures the DAP Hardware I/O pins for Serial Wire Debug (SWD) mode:
- TDI, nTRST to HighZ mode (pins are unused in SWD mode).
*/
__STATIC_INLINE void PORT_SWD_SETUP (void) {
;
;
}
/** Disable JTAG/SWD I/O Pins.
@ -222,7 +222,7 @@ Disables the DAP Hardware I/O pins which configures:
- TCK/SWCLK, TMS/SWDIO, TDI, TDO, nTRST, nRESET to High-Z mode.
*/
__STATIC_INLINE void PORT_OFF (void) {
;
;
}
@ -232,21 +232,21 @@ __STATIC_INLINE void PORT_OFF (void) {
\return Current status of the SWCLK/TCK DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWCLK_TCK_IN (void) {
return (0U);
return (0U);
}
/** SWCLK/TCK I/O pin: Set Output to High.
Set the SWCLK/TCK DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_SET (void) {
;
;
}
/** SWCLK/TCK I/O pin: Set Output to Low.
Set the SWCLK/TCK DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
;
;
}
@ -256,35 +256,35 @@ __STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
\return Current status of the SWDIO/TMS DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_TMS_IN (void) {
return (0U);
return (0U);
}
/** SWDIO/TMS I/O pin: Set Output to High.
Set the SWDIO/TMS DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_SET (void) {
;
;
}
/** SWDIO/TMS I/O pin: Set Output to Low.
Set the SWDIO/TMS DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_CLR (void) {
;
;
}
/** SWDIO I/O pin: Get Input (used in SWD mode only).
\return Current status of the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_IN (void) {
return (board_millis() & 1); /* pacify GCC warning */
return (board_millis() & 1); /* pacify GCC warning */
}
/** SWDIO I/O pin: Set Output (used in SWD mode only).
\param bit Output value for the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
/** SWDIO I/O pin: Switch to Output mode (used in SWD mode only).
@ -292,7 +292,7 @@ Configure the SWDIO DAP hardware I/O pin to output mode. This function is
called prior \ref PIN_SWDIO_OUT function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_ENABLE (void) {
;
;
}
/** SWDIO I/O pin: Switch to Input mode (used in SWD mode only).
@ -300,7 +300,7 @@ Configure the SWDIO DAP hardware I/O pin to input mode. This function is
called prior \ref PIN_SWDIO_IN function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
;
;
}
@ -310,14 +310,14 @@ __STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
\return Current status of the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDI_IN (void) {
return (0U);
return (0U);
}
/** TDI I/O pin: Set Output.
\param bit Output value for the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
@ -327,7 +327,7 @@ __STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
\return Current status of the TDO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
return (board_millis() & 1); /* pacify GCC warning */
return (board_millis() & 1); /* pacify GCC warning */
}
@ -337,7 +337,7 @@ __STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
\return Current status of the nTRST DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
return (0U);
return (0U);
}
/** nTRST I/O pin: Set Output.
@ -346,7 +346,7 @@ __STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
- 1: release JTAG TRST Test Reset.
*/
__STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
// nRESET Pin I/O------------------------------------------
@ -355,7 +355,7 @@ __STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
\return Current status of the nRESET DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
return (0U);
return (0U);
}
/** nRESET I/O pin: Set Output.
@ -364,7 +364,7 @@ __STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
- 1: release device hardware reset.
*/
__STATIC_FORCEINLINE void PIN_nRESET_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
///@}
@ -389,7 +389,7 @@ It is recommended to provide the following LEDs for status indication:
- 0: Connect LED OFF: debugger is not connected to CMSIS-DAP Debug Unit.
*/
__STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
/** Debug Unit: Set status Target Running LED.
@ -398,7 +398,7 @@ __STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
- 0: Target Running LED OFF: program execution in target stopped.
*/
__STATIC_INLINE void LED_RUNNING_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
///@}
@ -421,9 +421,9 @@ default, the DWT timer is used. The frequency of this timer is configured with
*/
__STATIC_INLINE uint32_t TIMESTAMP_GET (void) {
#if TIMESTAMP_CLOCK > 0
return (DWT->CYCCNT);
return (DWT->CYCCNT);
#else
return 0;
return 0;
#endif
}
@ -448,7 +448,7 @@ Status LEDs. In detail the operation of Hardware I/O and LED pins are enabled an
- LED output pins are enabled and LEDs are turned off.
*/
__STATIC_INLINE void DAP_SETUP (void) {
;
;
}
/** Reset Target Device with custom specific I/O pin or command sequence.
@ -459,7 +459,7 @@ when a device needs a time-critical unlock sequence that enables the debug port.
1 = a device specific reset sequence is implemented.
*/
__STATIC_INLINE uint8_t RESET_TARGET (void) {
return (0U); // change to '1' when a device reset sequence is implemented
return (0U); // change to '1' when a device reset sequence is implemented
}
///@}

20
bsp/default/unique.c
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@ -6,22 +6,22 @@
/* in the absence of the board-specific directory providing a unique ID, we provide a canned one */
__attribute__((__weak__)) uint8_t get_unique_id_u8(uint8_t *desc_str) {
static const char canned[] = "123456";
static const char canned[] = "123456";
for (int i=0; i<TU_ARRAY_SIZE(canned); i++) {
desc_str[i] = canned[i];
}
for (int i=0; i<TU_ARRAY_SIZE(canned); i++) {
desc_str[i] = canned[i];
}
return i;
return i;
}
__attribute__((__weak__)) uint8_t get_unique_id_u16(uint16_t *desc_str) {
static const char canned[] = "123456";
static const char canned[] = "123456";
for (int i=0; i<TU_ARRAY_SIZE(canned); i++) {
desc_str[i] = canned[i];
}
for (int i=0; i<TU_ARRAY_SIZE(canned); i++) {
desc_str[i] = canned[i];
}
return i;
return i;
}

216
bsp/rp2040/DAP_config.h
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@ -161,9 +161,9 @@ This information includes:
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
}
/** Get Product ID string.
@ -171,9 +171,9 @@ __STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
}
/** Get Serial Number string.
@ -181,7 +181,7 @@ __STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetSerNumString (char *str) {
return get_unique_id_u8((uint8_t*)str);
return get_unique_id_u8((uint8_t*)str);
}
///@}
@ -231,44 +231,44 @@ Configures the DAP Hardware I/O pins for JTAG mode:
- TDO to input mode.
*/
__STATIC_INLINE void PORT_JTAG_SETUP (void) {
resets_hw->reset &= ~(RESETS_RESET_IO_BANK0_BITS | RESETS_RESET_PADS_BANK0_BITS);
resets_hw->reset &= ~(RESETS_RESET_IO_BANK0_BITS | RESETS_RESET_PADS_BANK0_BITS);
/* set to default high level */
sio_hw->gpio_oe_set = PINOUT_TCK_MASK | PINOUT_TMS_MASK | PINOUT_TDI_MASK | PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
sio_hw->gpio_set = PINOUT_TCK_MASK | PINOUT_TMS_MASK | PINOUT_TDI_MASK | PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
/* TDO needs to be an input */
sio_hw->gpio_oe_clr = PINOUT_TDO_MASK;
/* set to default high level */
sio_hw->gpio_oe_set = PINOUT_TCK_MASK | PINOUT_TMS_MASK | PINOUT_TDI_MASK | PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
sio_hw->gpio_set = PINOUT_TCK_MASK | PINOUT_TMS_MASK | PINOUT_TDI_MASK | PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
/* TDO needs to be an input */
sio_hw->gpio_oe_clr = PINOUT_TDO_MASK;
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TCK],
PADS_BANK0_GPIO0_IE_BITS, // bits to set: input enable
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS); // bits to mask out: input enable, output disable
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TMS],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TDI],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TDO],
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS, // TDO needs to have its output disabled
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_nTRST],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_nRESET],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TCK],
PADS_BANK0_GPIO0_IE_BITS, // bits to set: input enable
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS); // bits to mask out: input enable, output disable
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TMS],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TDI],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_TDO],
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS, // TDO needs to have its output disabled
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_nTRST],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_JTAG_nRESET],
PADS_BANK0_GPIO0_IE_BITS,
PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
// NOTE: hiZ: ctrl = (ctrl & ~(CTRL_OEOVER_BITS)) | (GPIO_OVERRIDE_LOW << CTRL_OEOVER_LSB);
// normal == 0, low == 2
// NOTE: hiZ: ctrl = (ctrl & ~(CTRL_OEOVER_BITS)) | (GPIO_OVERRIDE_LOW << CTRL_OEOVER_LSB);
// normal == 0, low == 2
// set pin modes to general IO (SIO)
iobank0_hw->io[PINOUT_JTAG_TCK].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TMS].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TDI].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TDO].ctrl = (GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB)
/*| (GPIO_OVERRIDE_LOW << IO_BANK0_GPIO0_CTRL_OEOVER_LSB)*/;
iobank0_hw->io[PINOUT_JTAG_nTRST].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_nRESET].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
// set pin modes to general IO (SIO)
iobank0_hw->io[PINOUT_JTAG_TCK].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TMS].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TDI].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_TDO].ctrl = (GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB)
/*| (GPIO_OVERRIDE_LOW << IO_BANK0_GPIO0_CTRL_OEOVER_LSB)*/;
iobank0_hw->io[PINOUT_JTAG_nTRST].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_JTAG_nRESET].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
}
/** Setup SWD I/O pins: SWCLK, SWDIO, and nRESET.
@ -277,16 +277,16 @@ Configures the DAP Hardware I/O pins for Serial Wire Debug (SWD) mode:
- TDI, nTRST to HighZ mode (pins are unused in SWD mode).
*/
__STATIC_INLINE void PORT_SWD_SETUP (void) {
resets_hw->reset &= ~(RESETS_RESET_IO_BANK0_BITS | RESETS_RESET_PADS_BANK0_BITS);
resets_hw->reset &= ~(RESETS_RESET_IO_BANK0_BITS | RESETS_RESET_PADS_BANK0_BITS);
/* set to default high level */
sio_hw->gpio_oe_set = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK;
sio_hw->gpio_set = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK;
/* set to default high level */
sio_hw->gpio_oe_set = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK;
sio_hw->gpio_set = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK;
hw_write_masked(&padsbank0_hw->io[PINOUT_SWCLK], PADS_BANK0_GPIO0_IE_BITS, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_SWDIO], PADS_BANK0_GPIO0_IE_BITS, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
iobank0_hw->io[PINOUT_SWCLK].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_SWDIO].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
hw_write_masked(&padsbank0_hw->io[PINOUT_SWCLK], PADS_BANK0_GPIO0_IE_BITS, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
hw_write_masked(&padsbank0_hw->io[PINOUT_SWDIO], PADS_BANK0_GPIO0_IE_BITS, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
iobank0_hw->io[PINOUT_SWCLK].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
iobank0_hw->io[PINOUT_SWDIO].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
}
/** Disable JTAG/SWD I/O Pins.
@ -294,9 +294,9 @@ Disables the DAP Hardware I/O pins which configures:
- TCK/SWCLK, TMS/SWDIO, TDI, TDO, nTRST, nRESET to High-Z mode.
*/
__STATIC_INLINE void PORT_OFF (void) {
sio_hw->gpio_oe_clr = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK
| PINOUT_TDI_MASK //| PINOUT_TDO_MASK
| PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
sio_hw->gpio_oe_clr = PINOUT_SWCLK_MASK | PINOUT_SWDIO_MASK
| PINOUT_TDI_MASK //| PINOUT_TDO_MASK
| PINOUT_nTRST_MASK | PINOUT_nRESET_MASK;
}
@ -306,21 +306,21 @@ __STATIC_INLINE void PORT_OFF (void) {
\return Current status of the SWCLK/TCK DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWCLK_TCK_IN (void) {
return (sio_hw->gpio_in & PINOUT_SWCLK_MASK) >> PINOUT_SWCLK;
return (sio_hw->gpio_in & PINOUT_SWCLK_MASK) >> PINOUT_SWCLK;
}
/** SWCLK/TCK I/O pin: Set Output to High.
Set the SWCLK/TCK DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_SET (void) {
sio_hw->gpio_set = PINOUT_SWCLK_MASK;
sio_hw->gpio_set = PINOUT_SWCLK_MASK;
}
/** SWCLK/TCK I/O pin: Set Output to Low.
Set the SWCLK/TCK DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
sio_hw->gpio_clr = PINOUT_SWCLK_MASK;
sio_hw->gpio_clr = PINOUT_SWCLK_MASK;
}
@ -330,7 +330,7 @@ __STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
\return Current status of the SWDIO/TMS DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_TMS_IN (void) {
return (sio_hw->gpio_in & PINOUT_SWDIO_MASK) >> PINOUT_SWDIO;
return (sio_hw->gpio_in & PINOUT_SWDIO_MASK) >> PINOUT_SWDIO;
}
/* PIN_SWDIO_TMS_SET and PIN_SWDIO_TMS_CLR are used by SWJ_Sequence */
@ -339,31 +339,31 @@ __STATIC_FORCEINLINE uint32_t PIN_SWDIO_TMS_IN (void) {
Set the SWDIO/TMS DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_SET (void) {
sio_hw->gpio_set = PINOUT_SWDIO_MASK;
sio_hw->gpio_set = PINOUT_SWDIO_MASK;
}
/** SWDIO/TMS I/O pin: Set Output to Low.
Set the SWDIO/TMS DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_CLR (void) {
sio_hw->gpio_clr = PINOUT_SWDIO_MASK;
sio_hw->gpio_clr = PINOUT_SWDIO_MASK;
}
/** SWDIO I/O pin: Get Input (used in SWD mode only).
\return Current status of the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_IN (void) {
return (sio_hw->gpio_in & PINOUT_SWDIO_MASK) ? 1U : 0U;
return (sio_hw->gpio_in & PINOUT_SWDIO_MASK) ? 1U : 0U;
}
/** SWDIO I/O pin: Set Output (used in SWD mode only).
\param bit Output value for the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT (uint32_t bit) {
if (bit & 1)
sio_hw->gpio_set = PINOUT_SWDIO_MASK;
else
sio_hw->gpio_clr = PINOUT_SWDIO_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_SWDIO_MASK;
else
sio_hw->gpio_clr = PINOUT_SWDIO_MASK;
}
/** SWDIO I/O pin: Switch to Output mode (used in SWD mode only).
@ -371,7 +371,7 @@ Configure the SWDIO DAP hardware I/O pin to output mode. This function is
called prior \ref PIN_SWDIO_OUT function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_ENABLE (void) {
sio_hw->gpio_oe_set = PINOUT_SWDIO_MASK;
sio_hw->gpio_oe_set = PINOUT_SWDIO_MASK;
}
/** SWDIO I/O pin: Switch to Input mode (used in SWD mode only).
@ -379,7 +379,7 @@ Configure the SWDIO DAP hardware I/O pin to input mode. This function is
called prior \ref PIN_SWDIO_IN function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
sio_hw->gpio_oe_clr = PINOUT_SWDIO_MASK;
sio_hw->gpio_oe_clr = PINOUT_SWDIO_MASK;
}
@ -389,17 +389,17 @@ __STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
\return Current status of the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDI_IN (void) {
return (sio_hw->gpio_in & PINOUT_TDI_MASK) >> PINOUT_JTAG_TDI;
return (sio_hw->gpio_in & PINOUT_TDI_MASK) >> PINOUT_JTAG_TDI;
}
/** TDI I/O pin: Set Output.
\param bit Output value for the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
if (bit & 1)
sio_hw->gpio_set = PINOUT_TDI_MASK;
else
sio_hw->gpio_clr = PINOUT_TDI_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_TDI_MASK;
else
sio_hw->gpio_clr = PINOUT_TDI_MASK;
}
@ -409,7 +409,7 @@ __STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
\return Current status of the TDO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
return (sio_hw->gpio_in & PINOUT_TDO_MASK) >> PINOUT_JTAG_TDO;
return (sio_hw->gpio_in & PINOUT_TDO_MASK) >> PINOUT_JTAG_TDO;
}
@ -419,7 +419,7 @@ __STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
\return Current status of the nTRST DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
return (sio_hw->gpio_in & PINOUT_nTRST_MASK) >> PINOUT_JTAG_nTRST;
return (sio_hw->gpio_in & PINOUT_nTRST_MASK) >> PINOUT_JTAG_nTRST;
}
/** nTRST I/O pin: Set Output.
@ -428,10 +428,10 @@ __STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
- 1: release JTAG TRST Test Reset.
*/
__STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
if (bit & 1)
sio_hw->gpio_set = PINOUT_nTRST_MASK;
else
sio_hw->gpio_clr = PINOUT_nTRST_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_nTRST_MASK;
else
sio_hw->gpio_clr = PINOUT_nTRST_MASK;
}
// nRESET Pin I/O------------------------------------------
@ -440,7 +440,7 @@ __STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
\return Current status of the nRESET DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
return (sio_hw->gpio_in & PINOUT_nRESET_MASK) >> PINOUT_JTAG_nRESET;
return (sio_hw->gpio_in & PINOUT_nRESET_MASK) >> PINOUT_JTAG_nRESET;
}
/** nRESET I/O pin: Set Output.
@ -449,10 +449,10 @@ __STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
- 1: release device hardware reset.
*/
__STATIC_FORCEINLINE void PIN_nRESET_OUT (uint32_t bit) {
if (bit & 1)
sio_hw->gpio_set = PINOUT_nRESET_MASK;
else
sio_hw->gpio_clr = PINOUT_nRESET_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_nRESET_MASK;
else
sio_hw->gpio_clr = PINOUT_nRESET_MASK;
}
///@}
@ -478,12 +478,12 @@ It is recommended to provide the following LEDs for status indication:
*/
__STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
#if PINOUT_LED_CONNECTED
if (bit & 1)
sio_hw->gpio_set = PINOUT_LED_MASK;
else
sio_hw->gpio_clr = PINOUT_LED_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_LED_MASK;
else
sio_hw->gpio_clr = PINOUT_LED_MASK;
#else
(void)bit;
(void)bit;
#endif
}
@ -494,12 +494,12 @@ __STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
*/
__STATIC_INLINE void LED_RUNNING_OUT (uint32_t bit) {
#if PINOUT_LED_RUNNING
if (bit & 1)
sio_hw->gpio_set = PINOUT_LED_MASK;
else
sio_hw->gpio_clr = PINOUT_LED_MASK;
if (bit & 1)
sio_hw->gpio_set = PINOUT_LED_MASK;
else
sio_hw->gpio_clr = PINOUT_LED_MASK;
#else
(void)bit;
(void)bit;
#endif
}
@ -523,9 +523,9 @@ default, the DWT timer is used. The frequency of this timer is configured with
*/
__STATIC_INLINE uint32_t TIMESTAMP_GET (void) {
#if TIMESTAMP_CLOCK > 0
return (DWT->CYCCNT);
return (DWT->CYCCNT);
#else
return 0;
return 0;
#endif
}
@ -550,22 +550,22 @@ Status LEDs. In detail the operation of Hardware I/O and LED pins are enabled an
- LED output pins are enabled and LEDs are turned off.
*/
__STATIC_INLINE void DAP_SETUP (void) {
sio_hw->gpio_oe_set = PINOUT_LED_MASK;
sio_hw->gpio_clr = PINOUT_LED_MASK;
sio_hw->gpio_oe_set = PINOUT_LED_MASK;
sio_hw->gpio_clr = PINOUT_LED_MASK;
hw_write_masked(&padsbank0_hw->io[PINOUT_LED], 0, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
iobank0_hw->io[PINOUT_LED].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
hw_write_masked(&padsbank0_hw->io[PINOUT_LED], 0, PADS_BANK0_GPIO0_IE_BITS | PADS_BANK0_GPIO0_OD_BITS);
iobank0_hw->io[PINOUT_LED].ctrl = GPIO_FUNC_SIO << IO_BANK0_GPIO0_CTRL_FUNCSEL_LSB;
bi_decl(bi_2pins_with_names(
PINOUT_JTAG_TCK, "TCK / SWCLK",
PINOUT_JTAG_TMS, "TMS / SWDIO"
));
bi_decl(bi_4pins_with_names(
PINOUT_JTAG_TDI , "TDI",
PINOUT_JTAG_TDO , "TDO",
PINOUT_JTAG_nTRST , "nTRST",
PINOUT_JTAG_nRESET, "nRESET"
));
bi_decl(bi_2pins_with_names(
PINOUT_JTAG_TCK, "TCK / SWCLK",
PINOUT_JTAG_TMS, "TMS / SWDIO"
));
bi_decl(bi_4pins_with_names(
PINOUT_JTAG_TDI , "TDI",
PINOUT_JTAG_TDO , "TDO",
PINOUT_JTAG_nTRST , "nTRST",
PINOUT_JTAG_nRESET, "nRESET"
));
}
/** Reset Target Device with custom specific I/O pin or command sequence.
@ -576,7 +576,7 @@ when a device needs a time-critical unlock sequence that enables the debug port.
1 = a device specific reset sequence is implemented.
*/
__STATIC_INLINE uint8_t RESET_TARGET (void) {
return (0U); // change to '1' when a device reset sequence is implemented
return (0U); // change to '1' when a device reset sequence is implemented
}
///@}

106
bsp/rp2040/cdc_stdio.c
View File

@ -22,85 +22,85 @@
static mutex_t stdio_usb_mutex;
static void stdio_usb_out_chars(const char* buf, int length) {
static uint64_t last_avail_time;
uint32_t owner;
static uint64_t last_avail_time;
uint32_t owner;
if (!mutex_try_enter(&stdio_usb_mutex, &owner)) {
if (owner == get_core_num()) return; // would deadlock otherwise
mutex_enter_blocking(&stdio_usb_mutex);
}
if (!mutex_try_enter(&stdio_usb_mutex, &owner)) {
if (owner == get_core_num()) return; // would deadlock otherwise
mutex_enter_blocking(&stdio_usb_mutex);
}
if (tud_cdc_n_connected(CDC_N_STDIO)) {
for (int i = 0; i < length; ) {
int n = length - i;
int avail = tud_cdc_n_write_available(CDC_N_STDIO);
if (tud_cdc_n_connected(CDC_N_STDIO)) {
for (int i = 0; i < length; ) {
int n = length - i;
int avail = tud_cdc_n_write_available(CDC_N_STDIO);
if (n > avail) n = avail;
if (n) {
int n2 = tud_cdc_n_write(CDC_N_STDIO, buf+i, n);
tud_task();
tud_cdc_n_write_flush(CDC_N_STDIO);
i += n2;
last_avail_time = time_us_64();
} else {
tud_task();
tud_cdc_n_write_flush(CDC_N_STDIO);
if (n > avail) n = avail;
if (n) {
int n2 = tud_cdc_n_write(CDC_N_STDIO, buf+i, n);
tud_task();
tud_cdc_n_write_flush(CDC_N_STDIO);
i += n2;
last_avail_time = time_us_64();
} else {
tud_task();
tud_cdc_n_write_flush(CDC_N_STDIO);
if (!tud_cdc_n_connected(CDC_N_STDIO) ||
(!tud_cdc_n_write_available(CDC_N_STDIO)
&& time_us_64() > last_avail_time + PICO_STDIO_USB_STDOUT_TIMEOUT_US)) {
break;
}
}
}
} else {
// reset our timeout
last_avail_time = 0;
}
if (!tud_cdc_n_connected(CDC_N_STDIO) ||
(!tud_cdc_n_write_available(CDC_N_STDIO)
&& time_us_64() > last_avail_time + PICO_STDIO_USB_STDOUT_TIMEOUT_US)) {
break;
}
}
}
} else {
// reset our timeout
last_avail_time = 0;
}
mutex_exit(&stdio_usb_mutex);
mutex_exit(&stdio_usb_mutex);
}
static int stdio_usb_in_chars(char* buf, int length) {
uint32_t owner;
uint32_t owner;
if (!mutex_try_enter(&stdio_usb_mutex, &owner)) {
if (owner == get_core_num()) return PICO_ERROR_NO_DATA; // would deadlock otherwise
mutex_enter_blocking(&stdio_usb_mutex);
}
if (!mutex_try_enter(&stdio_usb_mutex, &owner)) {
if (owner == get_core_num()) return PICO_ERROR_NO_DATA; // would deadlock otherwise
mutex_enter_blocking(&stdio_usb_mutex);
}
int rc = PICO_ERROR_NO_DATA;
int rc = PICO_ERROR_NO_DATA;
if (tud_cdc_n_connected(CDC_N_STDIO) && tud_cdc_n_available(CDC_N_STDIO)) {
int count = tud_cdc_n_read(CDC_N_STDIO, buf, length);
rc = count ? count : PICO_ERROR_NO_DATA;
}
if (tud_cdc_n_connected(CDC_N_STDIO) && tud_cdc_n_available(CDC_N_STDIO)) {
int count = tud_cdc_n_read(CDC_N_STDIO, buf, length);
rc = count ? count : PICO_ERROR_NO_DATA;
}
mutex_exit(&stdio_usb_mutex);
mutex_exit(&stdio_usb_mutex);
return rc;
return rc;
}
extern stdio_driver_t stdio_usb;
stdio_driver_t stdio_usb = {
.out_chars = stdio_usb_out_chars,
. in_chars = stdio_usb_in_chars ,
.out_chars = stdio_usb_out_chars,
. in_chars = stdio_usb_in_chars ,
#if PICO_STDIO_ENABLE_CRLF_SUPPORT
.crlf_enabled = PICO_STDIO_DEFAULT_CRLF
.crlf_enabled = PICO_STDIO_DEFAULT_CRLF
#endif
};
bool stdio_usb_init(void) {
//#if !PICO_NO_BI_STDIO_USB
bi_decl_if_func_used(bi_program_feature("USB stdin / stdout"));
bi_decl_if_func_used(bi_program_feature("USB stdin / stdout"));
//#endif
mutex_init(&stdio_usb_mutex);
mutex_init(&stdio_usb_mutex);
// unlike with the SDK code, we don't need to add IRQ stuff for the USB
// task, as our main function handles this automatically
// unlike with the SDK code, we don't need to add IRQ stuff for the USB
// task, as our main function handles this automatically
stdio_set_driver_enabled(&stdio_usb, true);
return true;
stdio_set_driver_enabled(&stdio_usb, true);
return true;
}

52
bsp/rp2040/cdc_uart.c
View File

@ -35,43 +35,43 @@ static uint8_t rx_buf[CFG_TUD_CDC_RX_BUFSIZE];
static uint8_t tx_buf[CFG_TUD_CDC_TX_BUFSIZE];
void cdc_uart_init(void) {
gpio_set_function(PINOUT_UART_TX, GPIO_FUNC_UART);
gpio_set_function(PINOUT_UART_RX, GPIO_FUNC_UART);
uart_init(PINOUT_UART_INTERFACE, PINOUT_UART_BAUDRATE);
gpio_set_function(PINOUT_UART_TX, GPIO_FUNC_UART);
gpio_set_function(PINOUT_UART_RX, GPIO_FUNC_UART);
uart_init(PINOUT_UART_INTERFACE, PINOUT_UART_BAUDRATE);
bi_decl(bi_2pins_with_func(PINOUT_UART_TX, PINOUT_UART_RX, GPIO_FUNC_UART));
bi_decl(bi_2pins_with_func(PINOUT_UART_TX, PINOUT_UART_RX, GPIO_FUNC_UART));
}
void cdc_uart_task(void) {
// Consume uart fifo regardless even if not connected
uint rx_len = 0;
while (uart_is_readable(PINOUT_UART_INTERFACE) && (rx_len < sizeof(rx_buf))) {
rx_buf[rx_len++] = uart_getc(PINOUT_UART_INTERFACE);
}
// Consume uart fifo regardless even if not connected
uint rx_len = 0;
while (uart_is_readable(PINOUT_UART_INTERFACE) && (rx_len < sizeof(rx_buf))) {
rx_buf[rx_len++] = uart_getc(PINOUT_UART_INTERFACE);
}
if (tud_cdc_n_connected(CDC_N_UART)) {
// Do we have anything to display on the host's terminal?
if (rx_len) {
for (uint i = 0; i < rx_len; i++) {
tud_cdc_n_write_char(CDC_N_UART, rx_buf[i]);
}
tud_cdc_n_write_flush(CDC_N_UART);
}
if (tud_cdc_n_connected(CDC_N_UART)) {
// Do we have anything to display on the host's terminal?
if (rx_len) {
for (uint i = 0; i < rx_len; i++) {
tud_cdc_n_write_char(CDC_N_UART, rx_buf[i]);
}
tud_cdc_n_write_flush(CDC_N_UART);
}
if (tud_cdc_n_available(CDC_N_UART)) {
// Is there any data from the host for us to tx
uint tx_len = tud_cdc_n_read(CDC_N_UART, tx_buf, sizeof(tx_buf));
uart_write_blocking(PINOUT_UART_INTERFACE, tx_buf, tx_len);
}
}
if (tud_cdc_n_available(CDC_N_UART)) {
// Is there any data from the host for us to tx
uint tx_len = tud_cdc_n_read(CDC_N_UART, tx_buf, sizeof(tx_buf));
uart_write_blocking(PINOUT_UART_INTERFACE, tx_buf, tx_len);
}
}
}
void cdc_uart_set_hwflow(bool enable) {
uart_set_hw_flow(PINOUT_UART_INTERFACE, enable, enable);
uart_set_hw_flow(PINOUT_UART_INTERFACE, enable, enable);
}
void tud_cdc_line_coding_cb(uint8_t itf, cdc_line_coding_t const* line_coding) {
//picoprobe_info("New baud rate %d\n", line_coding->bit_rate);
uart_init(PINOUT_UART_INTERFACE, line_coding->bit_rate);
//picoprobe_info("New baud rate %d\n", line_coding->bit_rate);
uart_init(PINOUT_UART_INTERFACE, line_coding->bit_rate);
}

588
bsp/rp2040/i2c_tinyusb.c
View File

@ -17,407 +17,407 @@ static int delay = 10, delay2 = 5;
// I2C bitbang reimpl because ugh, synopsys
// (mostly inspired by original I2CTinyUSB AVR firmware)
__attribute__((__always_inline__)) inline static void i2cio_set_sda(bool hi) {
if (hi) {
sio_hw->gpio_oe_clr = (1<<PINOUT_I2C_SDA); // SDA is input
// => pullup configured, so it'll go high
} else {
sio_hw->gpio_oe_set = (1<<PINOUT_I2C_SDA); // SDA is output
sio_hw->gpio_clr = (1<<PINOUT_I2C_SDA); // and drive it low
}
if (hi) {
sio_hw->gpio_oe_clr = (1<<PINOUT_I2C_SDA); // SDA is input
// => pullup configured, so it'll go high
} else {
sio_hw->gpio_oe_set = (1<<PINOUT_I2C_SDA); // SDA is output
sio_hw->gpio_clr = (1<<PINOUT_I2C_SDA); // and drive it low
}
}
__attribute__((__always_inline__)) inline static bool i2cio_get_sda(void) {
return (sio_hw->gpio_in & (1<<PINOUT_I2C_SDA)) != 0;
return (sio_hw->gpio_in & (1<<PINOUT_I2C_SDA)) != 0;
}
__attribute__((__always_inline__)) inline static void i2cio_set_scl(bool hi) {
busy_wait_us_32(delay2);
sio_hw->gpio_oe_set = (1<<PINOUT_I2C_SCL); // SCL is output
if (hi)
sio_hw->gpio_set = (1<<PINOUT_I2C_SCL); // SCL is high
else
sio_hw->gpio_clr = (1<<PINOUT_I2C_SCL); // SCL is low
busy_wait_us_32(delay2);
busy_wait_us_32(delay2);
sio_hw->gpio_oe_set = (1<<PINOUT_I2C_SCL); // SCL is output
if (hi)
sio_hw->gpio_set = (1<<PINOUT_I2C_SCL); // SCL is high
else
sio_hw->gpio_clr = (1<<PINOUT_I2C_SCL); // SCL is low
busy_wait_us_32(delay2);
}
__attribute__((__always_inline__)) inline static void i2cio_scl_toggle(void) {
i2cio_set_scl(true );
i2cio_set_scl(false);
i2cio_set_scl(true );
i2cio_set_scl(false);
}
static void __no_inline_not_in_flash_func(i2cio_start)(void) { // start condition
i2cio_set_sda(false);
i2cio_set_scl(false);
i2cio_set_sda(false);
i2cio_set_scl(false);
}
static void __no_inline_not_in_flash_func(i2cio_repstart)(void) { // repstart condition
i2cio_set_sda(true);
i2cio_set_scl(true);
i2cio_set_sda(true);
i2cio_set_scl(true);
i2cio_set_sda(false);
i2cio_set_scl(false);
i2cio_set_sda(false);
i2cio_set_scl(false);
}
static void __no_inline_not_in_flash_func(i2cio_stop)(void) { // stop condition
i2cio_set_sda(false);
i2cio_set_scl(true );
i2cio_set_sda(true );
i2cio_set_sda(false);
i2cio_set_scl(true );
i2cio_set_sda(true );
}
static bool __no_inline_not_in_flash_func(i2cio_write7)(uint8_t v) { // return value: acked? // needed for 10bitaddr xfers
for (int i = 6; i >= 0; --i) {
i2cio_set_sda((v & (1<<i)) != 0);
i2cio_scl_toggle();
}
for (int i = 6; i >= 0; --i) {
i2cio_set_sda((v & (1<<i)) != 0);
i2cio_scl_toggle();
}
i2cio_set_sda(true);
i2cio_set_scl(true);
i2cio_set_sda(true);
i2cio_set_scl(true);
bool ack = !i2cio_get_sda();
i2cio_set_scl(false);
bool ack = !i2cio_get_sda();
i2cio_set_scl(false);
return ack;
return ack;
}
static bool __no_inline_not_in_flash_func(i2cio_write8)(uint8_t v) { // return value: acked?
for (int i = 7; i >= 0; --i) {
i2cio_set_sda((v & (1<<i)) != 0);
i2cio_scl_toggle();
}
for (int i = 7; i >= 0; --i) {
i2cio_set_sda((v & (1<<i)) != 0);
i2cio_scl_toggle();
}
i2cio_set_sda(true);
i2cio_set_scl(true);
i2cio_set_sda(true);
i2cio_set_scl(true);
bool ack = !i2cio_get_sda();
i2cio_set_scl(false);
bool ack = !i2cio_get_sda();
i2cio_set_scl(false);
return ack;
return ack;
}
static uint8_t __no_inline_not_in_flash_func(i2cio_read8)(bool last) {
i2cio_set_sda(true );
i2cio_set_scl(false);
i2cio_set_sda(true );
i2cio_set_scl(false);
uint8_t rv = 0;
for (int i = 7; i >= 0; --i) {
i2cio_set_scl(true);
bool c = i2cio_get_sda();
rv <<= 1;
if (c) rv |= 1;
i2cio_set_scl(false);
}
uint8_t rv = 0;
for (int i = 7; i >= 0; --i) {
i2cio_set_scl(true);
bool c = i2cio_get_sda();
rv <<= 1;
if (c) rv |= 1;
i2cio_set_scl(false);
}
if (last) i2cio_set_sda(true);
else i2cio_set_sda(false);
if (last) i2cio_set_sda(true);
else i2cio_set_sda(false);
i2cio_scl_toggle();
i2cio_set_sda(true);
i2cio_scl_toggle();
i2cio_set_sda(true);
}
// replicating/rewriting some SDK functions because they don't do what I want
// so I'm making better ones
static int __no_inline_not_in_flash_func(i2cex_probe_address)(uint16_t addr, bool a10bit) {
// I2C pins to SIO
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_SIO);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_SIO);
// I2C pins to SIO
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_SIO);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_SIO);
int rv;
i2cio_start();
int rv;
i2cio_start();
if (a10bit) {
// A10 magic higher 2 addr bits r/#w bit
uint8_t addr1 = 0x70 | (((addr >> 8) & 3) << 1) | 0,
addr2 = addr & 0xff;
if (a10bit) {
// A10 magic higher 2 addr bits r/#w bit
uint8_t addr1 = 0x70 | (((addr >> 8) & 3) << 1) | 0,
addr2 = addr & 0xff;
if (i2cio_write7(addr1)) {
if (i2cio_write8(addr2)) rv = 0;
else rv = PICO_ERROR_GENERIC;
} else rv = PICO_ERROR_GENERIC;
} else {
if (i2cio_write8((addr << 1) & 0xff)) rv = 0; // acked: ok
else rv = PICO_ERROR_GENERIC; // nak :/
}
i2cio_stop();
if (i2cio_write7(addr1)) {
if (i2cio_write8(addr2)) rv = 0;
else rv = PICO_ERROR_GENERIC;
} else rv = PICO_ERROR_GENERIC;
} else {
if (i2cio_write8((addr << 1) & 0xff)) rv = 0; // acked: ok
else rv = PICO_ERROR_GENERIC; // nak :/
}
i2cio_stop();
// I2C back to I2C
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
// I2C back to I2C
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
return rv;
return rv;
}
inline static void i2cex_abort_xfer(i2c_inst_t* i2c) {
#if 1
// may be bugged??? so doesnt do anything for now
return;
// may be bugged??? so doesnt do anything for now
return;
#else
// now do the abort
i2c->hw->enable = 1 /*| (1<<2)*/ | (1<<1);
// wait for M_TX_ABRT irq
do {
/*if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}*/
tight_loop_contents();
} while (/*!timeout &&*/ !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_ABRT_BITS));
// reset irq
//if (!timeout)
(void)i2c->hw->clr_tx_abrt;
// now do the abort
i2c->hw->enable = 1 /*| (1<<2)*/ | (1<<1);
// wait for M_TX_ABRT irq
do {
/*if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}*/
tight_loop_contents();
} while (/*!timeout &&*/ !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_ABRT_BITS));
// reset irq
//if (!timeout)
(void)i2c->hw->clr_tx_abrt;
#endif
}
static int i2cex_write_blocking_until(i2c_inst_t* i2c, uint16_t addr, bool a10bit,
const uint8_t* src, size_t len, bool nostop, absolute_time_t until) {
timeout_state_t ts_;
struct timeout_state* ts = &ts_;
check_timeout_fn timeout_check = init_single_timeout_until(&ts_, until);
const uint8_t* src, size_t len, bool nostop, absolute_time_t until) {
timeout_state_t ts_;
struct timeout_state* ts = &ts_;
check_timeout_fn timeout_check = init_single_timeout_until(&ts_, until);
if ((int)len < 0) return PICO_ERROR_GENERIC;
if (a10bit) { // addr too high
if (addr & ~(uint16_t)((1<<10)-1)) return PICO_ERROR_GENERIC;
} else if (addr & 0x80)
return PICO_ERROR_GENERIC;
if ((int)len < 0) return PICO_ERROR_GENERIC;
if (a10bit) { // addr too high
if (addr & ~(uint16_t)((1<<10)-1)) return PICO_ERROR_GENERIC;
} else if (addr & 0x80)
return PICO_ERROR_GENERIC;
if (len == 0) return i2cex_probe_address(addr, a10bit);
if (len == 0) return i2cex_probe_address(addr, a10bit);
bool abort = false, timeout = false;
uint32_t abort_reason = 0;
int byte_ctr;
bool abort = false, timeout = false;
uint32_t abort_reason = 0;
int byte_ctr;
i2c->hw->enable = 0;
// enable 10bit mode if requested
hw_write_masked(&i2c->hw->con, I2C_IC_CON_IC_10BITADDR_MASTER_BITS, (a10bit
? I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS
: I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS ) << I2C_IC_CON_IC_10BITADDR_MASTER_LSB);
i2c->hw->tar = addr;
i2c->hw->enable = 1;
i2c->hw->enable = 0;
// enable 10bit mode if requested
hw_write_masked(&i2c->hw->con, I2C_IC_CON_IC_10BITADDR_MASTER_BITS, (a10bit
? I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS
: I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS ) << I2C_IC_CON_IC_10BITADDR_MASTER_LSB);
i2c->hw->tar = addr;
i2c->hw->enable = 1;
for (byte_ctr = 0; byte_ctr < (int)len; ++byte_ctr) {
bool first = byte_ctr == 0,
last = byte_ctr == (int)len - 1;
for (byte_ctr = 0; byte_ctr < (int)len; ++byte_ctr) {
bool first = byte_ctr == 0,
last = byte_ctr == (int)len - 1;
i2c->hw->data_cmd =
bool_to_bit(first && i2c->restart_on_next) << I2C_IC_DATA_CMD_RESTART_LSB |
bool_to_bit(last && !nostop) << I2C_IC_DATA_CMD_STOP_LSB |
*src++;
i2c->hw->data_cmd =
bool_to_bit(first && i2c->restart_on_next) << I2C_IC_DATA_CMD_RESTART_LSB |
bool_to_bit(last && !nostop) << I2C_IC_DATA_CMD_STOP_LSB |
*src++;
do {
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents();
} while (!timeout && !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_EMPTY_BITS));
do {
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents();
} while (!timeout && !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_TX_EMPTY_BITS));
if (!timeout) {
abort_reason = i2c->hw->tx_abrt_source;
if (abort_reason) {
(void)i2c->hw->clr_tx_abrt;
abort = true;
}
if (!timeout) {
abort_reason = i2c->hw->tx_abrt_source;
if (abort_reason) {
(void)i2c->hw->clr_tx_abrt;
abort = true;
}
if (abort || (last && !nostop)) {
do {
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents();
} while (!timeout && !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_STOP_DET_BITS));
if (abort || (last && !nostop)) {
do {
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents();
} while (!timeout && !(i2c->hw->raw_intr_stat & I2C_IC_RAW_INTR_STAT_STOP_DET_BITS));
if (!timeout) (void)i2c->hw->clr_stop_det;
else
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
} else i2cex_abort_xfer(i2c);
if (!timeout) (void)i2c->hw->clr_stop_det;
else
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
} else i2cex_abort_xfer(i2c);
if (abort) break;
}
if (abort) break;
}
int rval;
int rval;
if (abort) {
const int addr_noack = I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_BITS;
if (abort) {
const int addr_noack = I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_BITS;
if (timeout) rval = PICO_ERROR_TIMEOUT;
else if (!abort_reason || (abort_reason & addr_noack))
rval = PICO_ERROR_GENERIC;
else if (abort_reason & I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_BITS)
rval = byte_ctr;
else rval = PICO_ERROR_GENERIC;
} else rval = byte_ctr;
if (timeout) rval = PICO_ERROR_TIMEOUT;
else if (!abort_reason || (abort_reason & addr_noack))
rval = PICO_ERROR_GENERIC;
else if (abort_reason & I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_BITS)
rval = byte_ctr;
else rval = PICO_ERROR_GENERIC;
} else rval = byte_ctr;
i2c->restart_on_next = nostop;
return rval;
i2c->restart_on_next = nostop;
return rval;
}
static int i2cex_read_blocking_until(i2c_inst_t* i2c, uint16_t addr, bool a10bit,
uint8_t* dst, size_t len, bool nostop, absolute_time_t until) {
timeout_state_t ts_;
struct timeout_state* ts = &ts_;
check_timeout_fn timeout_check = init_single_timeout_until(&ts_, until);
uint8_t* dst, size_t len, bool nostop, absolute_time_t until) {
timeout_state_t ts_;
struct timeout_state* ts = &ts_;
check_timeout_fn timeout_check = init_single_timeout_until(&ts_, until);
if ((int)len < 0) return PICO_ERROR_GENERIC;
if (a10bit) { // addr too high
if (addr & ~(uint16_t)((1<<10)-1)) return PICO_ERROR_GENERIC;
} else if (addr & 0x80)
return PICO_ERROR_GENERIC;
if ((int)len < 0) return PICO_ERROR_GENERIC;
if (a10bit) { // addr too high
if (addr & ~(uint16_t)((1<<10)-1)) return PICO_ERROR_GENERIC;
} else if (addr & 0x80)
return PICO_ERROR_GENERIC;
i2c->hw->enable = 0;
// enable 10bit mode if requested
hw_write_masked(&i2c->hw->con, I2C_IC_CON_IC_10BITADDR_MASTER_BITS, (a10bit
? I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS
: I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS ) << I2C_IC_CON_IC_10BITADDR_MASTER_LSB);
i2c->hw->tar = addr;
i2c->hw->enable = 1;
i2c->hw->enable = 0;
// enable 10bit mode if requested
hw_write_masked(&i2c->hw->con, I2C_IC_CON_IC_10BITADDR_MASTER_BITS, (a10bit
? I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS
: I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS ) << I2C_IC_CON_IC_10BITADDR_MASTER_LSB);
i2c->hw->tar = addr;
i2c->hw->enable = 1;
if (len == 0) return i2cex_probe_address(addr, a10bit);
if (len == 0) return i2cex_probe_address(addr, a10bit);
bool abort = false, timeout = false;
uint32_t abort_reason = 0;
int byte_ctr;
bool abort = false, timeout = false;
uint32_t abort_reason = 0;
int byte_ctr;
for (byte_ctr = 0; byte_ctr < (int)len; ++byte_ctr) {
bool first = byte_ctr == 0;
bool last = byte_ctr == (int)len - 1;
for (byte_ctr = 0; byte_ctr < (int)len; ++byte_ctr) {
bool first = byte_ctr == 0;
bool last = byte_ctr == (int)len - 1;
while (!i2c_get_write_available(i2c) && !abort) {
tight_loop_contents();
// ?
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
}
while (!i2c_get_write_available(i2c) && !abort) {
tight_loop_contents();
// ?
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
}
if (timeout) {
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
if (abort) break;
if (timeout) {
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
if (abort) break;
i2c->hw->data_cmd =
bool_to_bit(first && i2c->restart_on_next) << I2C_IC_DATA_CMD_RESTART_LSB |
bool_to_bit(last && !nostop) << I2C_IC_DATA_CMD_STOP_LSB |
I2C_IC_DATA_CMD_CMD_BITS; // -> 1 for read
i2c->hw->data_cmd =
bool_to_bit(first && i2c->restart_on_next) << I2C_IC_DATA_CMD_RESTART_LSB |
bool_to_bit(last && !nostop) << I2C_IC_DATA_CMD_STOP_LSB |
I2C_IC_DATA_CMD_CMD_BITS; // -> 1 for read
do {
abort_reason = i2c->hw->tx_abrt_source;
abort = (bool)i2c->hw->clr_tx_abrt;
do {
abort_reason = i2c->hw->tx_abrt_source;
abort = (bool)i2c->hw->clr_tx_abrt;
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents(); // ?
} while (!abort && !i2c_get_read_available(i2c));
if (timeout_check) {
timeout = timeout_check(ts);
abort |= timeout;
}
tight_loop_contents(); // ?
} while (!abort && !i2c_get_read_available(i2c));
if (timeout) {
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
if (abort) break;
if (timeout) {
// if we had a timeout, send an abort request to the hardware,
// so that the bus gets released
i2cex_abort_xfer(i2c);
}
if (abort) break;
uint8_t v = (uint8_t)i2c->hw->data_cmd;
//printf("\ngot read %02x\n", v);
*dst++ = v;
}
uint8_t v = (uint8_t)i2c->hw->data_cmd;
//printf("\ngot read %02x\n", v);
*dst++ = v;
}
int rval;
int rval;
if (abort) {
//printf("\ngot abrt: ");
const int addr_noack = I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_BITS;
if (abort) {
//printf("\ngot abrt: ");
const int addr_noack = I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_BITS
| I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_BITS;
if (timeout) { /*printf("timeout\n");*/ rval = PICO_ERROR_TIMEOUT; }
else if (!abort_reason || (abort_reason & addr_noack)) {//printf("disconn\n");
rval = PICO_ERROR_GENERIC; }
else {/*printf("unk\n");*/ rval = PICO_ERROR_GENERIC;}
} else rval = byte_ctr;
if (timeout) { /*printf("timeout\n");*/ rval = PICO_ERROR_TIMEOUT; }
else if (!abort_reason || (abort_reason & addr_noack)) {//printf("disconn\n");
rval = PICO_ERROR_GENERIC; }
else {/*printf("unk\n");*/ rval = PICO_ERROR_GENERIC;}
} else rval = byte_ctr;
i2c->restart_on_next = nostop;
return rval;
i2c->restart_on_next = nostop;
return rval;
}
static inline int i2cex_write_timeout_us(i2c_inst_t* i2c, uint16_t addr, bool a10bit,
const uint8_t* src, size_t len, bool nostop, uint32_t timeout_us) {
absolute_time_t t = make_timeout_time_us(timeout_us);
return i2cex_write_blocking_until(i2c, addr, a10bit, src, len, nostop, t);
const uint8_t* src, size_t len, bool nostop, uint32_t timeout_us) {
absolute_time_t t = make_timeout_time_us(timeout_us);
return i2cex_write_blocking_until(i2c, addr, a10bit, src, len, nostop, t);
}
static inline int i2cex_read_timeout_us(i2c_inst_t* i2c, uint16_t addr, bool a10bit,
uint8_t* dst, size_t len, bool nostop, uint32_t timeout_us) {
absolute_time_t t = make_timeout_time_us(timeout_us);
return i2cex_read_blocking_until(i2c, addr, a10bit, dst, len, nostop, t);
uint8_t* dst, size_t len, bool nostop, uint32_t timeout_us) {
absolute_time_t t = make_timeout_time_us(timeout_us);
return i2cex_read_blocking_until(i2c, addr, a10bit, dst, len, nostop, t);
}
__attribute__((__const__))
enum ki2c_funcs i2ctu_get_func(void) {
// TODO: SMBUS_EMUL_ALL => I2C_M_RECV_LEN
// TODO: maybe also PROTOCOL_MANGLING, NOSTART
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR;
// TODO: SMBUS_EMUL_ALL => I2C_M_RECV_LEN
// TODO: maybe also PROTOCOL_MANGLING, NOSTART
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR;
}
void i2ctu_init(void) {
// default to 100 kHz (SDK example default so should be ok)
delay = 10; delay2 = 5;
i2c_init(PINOUT_I2C_DEV, 100*1000);
// default to 100 kHz (SDK example default so should be ok)
delay = 10; delay2 = 5;
i2c_init(PINOUT_I2C_DEV, 100*1000);
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
gpio_pull_up(PINOUT_I2C_SCL);
gpio_pull_up(PINOUT_I2C_SDA);
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
gpio_pull_up(PINOUT_I2C_SCL);
gpio_pull_up(PINOUT_I2C_SDA);
bi_decl(bi_2pins_with_func(PINOUT_I2C_SCL, PINOUT_I2C_SDA, GPIO_FUNC_I2C));
bi_decl(bi_2pins_with_func(PINOUT_I2C_SCL, PINOUT_I2C_SDA, GPIO_FUNC_I2C));
}
uint32_t i2ctu_set_freq(uint32_t freq, uint32_t us) {
delay = us;
delay2 = us >> 1;
if (!delay2) delay2 = 1;
delay = us;
delay2 = us >> 1;
if (!delay2) delay2 = 1;
return i2c_set_baudrate(PINOUT_I2C_DEV, freq);
return i2c_set_baudrate(PINOUT_I2C_DEV, freq);
}
enum itu_status i2ctu_write(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, const uint8_t* buf, size_t len) {
bool nostop = !(startstopflags & ITU_CMD_I2C_IO_END);
//printf("nostop=%c ", nostop?'t':'f');
bool bit10 = flags & I2C_M_TEN;
uint16_t addr, const uint8_t* buf, size_t len) {
bool nostop = !(startstopflags & ITU_CMD_I2C_IO_END);
//printf("nostop=%c ", nostop?'t':'f');
bool bit10 = flags & I2C_M_TEN;
/*if (len == 0) {
// do a read, that's less hazardous
uint8_t stuff = 0;
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, &stuff, 1,
nostop, 1000*1000);
if (rv < 0) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
} else*/ {
int rv = i2cex_write_timeout_us(PINOUT_I2C_DEV, addr, bit10, buf, len,
nostop, 1000*1000);
if (rv < 0 || (size_t)rv < len) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
}
/*if (len == 0) {
// do a read, that's less hazardous
uint8_t stuff = 0;
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, &stuff, 1,
nostop, 1000*1000);
if (rv < 0) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
} else*/ {
int rv = i2cex_write_timeout_us(PINOUT_I2C_DEV, addr, bit10, buf, len,
nostop, 1000*1000);
if (rv < 0 || (size_t)rv < len) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
}
}
enum itu_status i2ctu_read(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, uint8_t* buf, size_t len) {
bool nostop = !(startstopflags & ITU_CMD_I2C_IO_END);
//printf("nostop=%c ", nostop?'t':'f');
bool bit10 = flags & I2C_M_TEN;
uint16_t addr, uint8_t* buf, size_t len) {
bool nostop = !(startstopflags & ITU_CMD_I2C_IO_END);
//printf("nostop=%c ", nostop?'t':'f');
bool bit10 = flags & I2C_M_TEN;
/*if (len == 0) {
uint8_t stuff = 0;
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, &stuff, 1,
nostop, 1000*1000);
if (rv < 0) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
} else*/ {
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, buf, len,
nostop, 1000*1000);
//printf("p le rv=%d buf=%02x ", rv, buf[0]);
if (rv < 0 || (size_t)rv < len) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
}
/*if (len == 0) {
uint8_t stuff = 0;
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, &stuff, 1,
nostop, 1000*1000);
if (rv < 0) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
} else*/ {
int rv = i2cex_read_timeout_us(PINOUT_I2C_DEV, addr, bit10, buf, len,
nostop, 1000*1000);
//printf("p le rv=%d buf=%02x ", rv, buf[0]);
if (rv < 0 || (size_t)rv < len) return ITU_STATUS_ADDR_NAK;
return ITU_STATUS_ADDR_ACK;
}
}

14
bsp/rp2040/protocfg.h
View File

@ -9,21 +9,21 @@
#define DBOARD_HAS_TEMPSENSOR
enum {
HID_N_CMSISDAP = 0,
HID_N_CMSISDAP = 0,
HID_N__NITF
HID_N__NITF
};
enum {
CDC_N_UART = 0,
CDC_N_SERPROG,
CDC_N_UART = 0,
CDC_N_SERPROG,
#ifdef USE_USBCDC_FOR_STDIO
CDC_N_STDIO,
CDC_N_STDIO,
#endif
CDC_N__NITF
CDC_N__NITF
};
enum {
VND_N__NITF = 0
VND_N__NITF = 0
};
#define CFG_TUD_HID 1

70
bsp/rp2040/spi_serprog.c
View File

@ -13,62 +13,62 @@
static bool cs_asserted;
void sp_spi_init(void) {
//printf("spi init!\n");
//printf("spi init!\n");
cs_asserted = false;
cs_asserted = false;
spi_init(PINOUT_SPI_DEV, 512*1000); // default to 512 kHz
spi_init(PINOUT_SPI_DEV, 512*1000); // default to 512 kHz
gpio_set_function(PINOUT_SPI_MISO, GPIO_FUNC_SPI);
gpio_set_function(PINOUT_SPI_MOSI, GPIO_FUNC_SPI);
gpio_set_function(PINOUT_SPI_SCLK, GPIO_FUNC_SPI);
gpio_set_function(PINOUT_SPI_MISO, GPIO_FUNC_SPI);
gpio_set_function(PINOUT_SPI_MOSI, GPIO_FUNC_SPI);
gpio_set_function(PINOUT_SPI_SCLK, GPIO_FUNC_SPI);
//gpio_set_function(PINOUT_SPI_nCS, GPIO_FUNC_SIO);
gpio_init(PINOUT_SPI_nCS);
gpio_put(PINOUT_SPI_nCS, 1);
gpio_set_dir(PINOUT_SPI_nCS, GPIO_OUT);
//gpio_set_function(PINOUT_SPI_nCS, GPIO_FUNC_SIO);
gpio_init(PINOUT_SPI_nCS);
gpio_put(PINOUT_SPI_nCS, 1);
gpio_set_dir(PINOUT_SPI_nCS, GPIO_OUT);
bi_decl(bi_3pins_with_func(PINOUT_SPI_MISO, PINOUT_SPI_MOSI, PINOUT_SPI_SCLK, GPIO_FUNC_SPI));
bi_decl(bi_1pin_with_name(PINOUT_SPI_nCS, "SPI #CS"));
bi_decl(bi_3pins_with_func(PINOUT_SPI_MISO, PINOUT_SPI_MOSI, PINOUT_SPI_SCLK, GPIO_FUNC_SPI));
bi_decl(bi_1pin_with_name(PINOUT_SPI_nCS, "SPI #CS"));
}
uint32_t __not_in_flash_func(sp_spi_set_freq)(uint32_t freq_wanted) {
return spi_set_baudrate(PINOUT_SPI_DEV, freq_wanted);
return spi_set_baudrate(PINOUT_SPI_DEV, freq_wanted);
}
void __not_in_flash_func(sp_spi_cs_deselect)(void) {
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 1);
asm volatile("nop\nnop\nnop"); // idk if this is needed
cs_asserted = false;
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 1);
asm volatile("nop\nnop\nnop"); // idk if this is needed
cs_asserted = false;
}
void __not_in_flash_func(sp_spi_cs_select)(void) {
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 0);
asm volatile("nop\nnop\nnop"); // idk if this is needed
cs_asserted = true;
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 0);
asm volatile("nop\nnop\nnop"); // idk if this is needed
cs_asserted = true;
}
void __not_in_flash_func(sp_spi_op_begin)(void) {
//sp_spi_cs_select();
if (!cs_asserted) {
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 0);
asm volatile("nop\nnop\nnop"); // idk if this is needed
}
//sp_spi_cs_select();
if (!cs_asserted) {
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 0);
asm volatile("nop\nnop\nnop"); // idk if this is needed
}
}
void __not_in_flash_func(sp_spi_op_end)(void) {
//sp_spi_cs_deselect();
if (!cs_asserted) { // YES, this condition is the intended one!
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 1);
asm volatile("nop\nnop\nnop"); // idk if this is needed
}
//sp_spi_cs_deselect();
if (!cs_asserted) { // YES, this condition is the intended one!
asm volatile("nop\nnop\nnop"); // idk if this is needed
gpio_put(PINOUT_SPI_nCS, 1);
asm volatile("nop\nnop\nnop"); // idk if this is needed
}
}
// TODO: use dma?
void __not_in_flash_func(sp_spi_op_write)(uint32_t write_len, const uint8_t* write_data) {
spi_write_blocking(PINOUT_SPI_DEV, write_data, write_len);
spi_write_blocking(PINOUT_SPI_DEV, write_data, write_len);
}
void __not_in_flash_func(sp_spi_op_read)(uint32_t read_len, uint8_t* read_data) {
spi_read_blocking(PINOUT_SPI_DEV, 0, read_data, read_len);
spi_read_blocking(PINOUT_SPI_DEV, 0, read_data, read_len);
}

26
bsp/rp2040/tempsensor.c
View File

@ -15,29 +15,29 @@
// convert x.4 fixed to 8.4 fixed
__attribute__((__const__))
inline static int16_t trunc_8fix4(int fix) {
if (fix > 4095) fix = 4095;
if (fix < -4096) fix = -4096;
return fix;
if (fix > 4095) fix = 4095;
if (fix < -4096) fix = -4096;
return fix;
}
void tempsense_dev_init(void) {
adc_init();
adc_set_temp_sensor_enabled(true);
adc_init();
adc_set_temp_sensor_enabled(true);
}
// 8.4
int16_t tempsense_dev_get_temp(void) {
adc_select_input(4); // select temp sensor
uint16_t result = adc_read();
adc_select_input(4); // select temp sensor
uint16_t result = adc_read();
float voltage = result * (V_MAX / D_RANGE);
float voltage = result * (V_MAX / D_RANGE);
float tempf = T_OFF + (voltage - T_BIAS) / T_SLOPE;
float tempf = T_OFF + (voltage - T_BIAS) / T_SLOPE;
// FIXME: use fixed point instead! but something's wrong with the formula below
/*int temperature = float2fix(T_OFF - T_BIAS / T_SLOPE)
+ (int)result * float2fix(V_MAX / (D_RANGE * T_SLOPE));*/
// FIXME: use fixed point instead! but something's wrong with the formula below
/*int temperature = float2fix(T_OFF - T_BIAS / T_SLOPE)
+ (int)result * float2fix(V_MAX / (D_RANGE * T_SLOPE));*/
return trunc_8fix4(/*temperature*/float2fix(tempf));
return trunc_8fix4(/*temperature*/float2fix(tempf));
}
// RP2040 absolute min/max are -20/85

44
bsp/rp2040/unique.c
View File

@ -6,36 +6,36 @@
#include "util.h"
uint8_t get_unique_id_u8(uint8_t *desc_str) {
pico_unique_board_id_t uid;
uint8_t chr_count = 0;
pico_unique_board_id_t uid;
uint8_t chr_count = 0;
pico_get_unique_board_id(&uid);
pico_get_unique_board_id(&uid);
for (int byte = 0; byte < TU_ARRAY_SIZE(uid.id); byte++) {
uint8_t tmp = uid.id[byte];
for (int digit = 0; digit < 2; digit++) {
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
}
for (int byte = 0; byte < TU_ARRAY_SIZE(uid.id); byte++) {
uint8_t tmp = uid.id[byte];
for (int digit = 0; digit < 2; digit++) {
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
}
return chr_count;
return chr_count;
}
uint8_t get_unique_id_u16(uint16_t *desc_str) {
pico_unique_board_id_t uid;
uint8_t chr_count = 0;
pico_unique_board_id_t uid;
uint8_t chr_count = 0;
pico_get_unique_board_id(&uid);
pico_get_unique_board_id(&uid);
for (int byte = 0; byte < TU_ARRAY_SIZE(uid.id); byte++) {
uint8_t tmp = uid.id[byte];
for (int digit = 0; digit < 2; digit++) {
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
}
for (int byte = 0; byte < TU_ARRAY_SIZE(uid.id); byte++) {
uint8_t tmp = uid.id[byte];
for (int digit = 0; digit < 2; digit++) {
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
}
return chr_count;
return chr_count;
}

76
bsp/stm32f072disco/DAP_config.h
View File

@ -137,9 +137,9 @@ This information includes:
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
const static char vnd[] = INFO_MANUFACTURER;
for (size_t i = 0; i < sizeof(vnd); ++i) str[i] = vnd[i];
return sizeof(vnd)-1;
}
/** Get Product ID string.
@ -147,9 +147,9 @@ __STATIC_INLINE uint8_t DAP_GetVendorString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
const static char prd[] = INFO_PRODUCT(INFO_BOARDNAME);
for (size_t i = 0; i < sizeof(prd); ++i) str[i] = prd[i];
return sizeof(prd)-1;
}
/** Get Serial Number string.
@ -157,7 +157,7 @@ __STATIC_INLINE uint8_t DAP_GetProductString (char *str) {
\return String length.
*/
__STATIC_INLINE uint8_t DAP_GetSerNumString (char *str) {
return get_unique_id_u8(str);
return get_unique_id_u8(str);
}
///@}
@ -232,7 +232,7 @@ Configures the DAP Hardware I/O pins for JTAG mode:
- TDO to input mode.
*/
__STATIC_INLINE void PORT_JTAG_SETUP (void) {
;
;
}
/** Setup SWD I/O pins: SWCLK, SWDIO, and nRESET.
@ -241,10 +241,10 @@ Configures the DAP Hardware I/O pins for Serial Wire Debug (SWD) mode:
- TDI, nTRST to HighZ mode (pins are unused in SWD mode).
*/
__STATIC_INLINE void PORT_SWD_SETUP (void) {
CLK_ENABLE;
DATA_ENABLE;
SWDIO_INIT;
CLK_HIGH; DATA_HIGH;
CLK_ENABLE;
DATA_ENABLE;
SWDIO_INIT;
CLK_HIGH; DATA_HIGH;
}
/** Disable JTAG/SWD I/O Pins.
@ -252,9 +252,9 @@ Disables the DAP Hardware I/O pins which configures:
- TCK/SWCLK, TMS/SWDIO, TDI, TDO, nTRST, nRESET to High-Z mode.
*/
__STATIC_INLINE void PORT_OFF (void) {
CLK_HIZ;
DATA_HIZ;
RESET_HIZ;
CLK_HIZ;
DATA_HIZ;
RESET_HIZ;
}
// SWCLK/TCK I/O pin -------------------------------------
@ -263,21 +263,21 @@ __STATIC_INLINE void PORT_OFF (void) {
\return Current status of the SWCLK/TCK DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWCLK_TCK_IN (void) {
return (CLK_READ) ? 1 : 0;
return (CLK_READ) ? 1 : 0;
}
/** SWCLK/TCK I/O pin: Set Output to High.
Set the SWCLK/TCK DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_SET (void) {
CLK_HIGH;
CLK_HIGH;
}
/** SWCLK/TCK I/O pin: Set Output to Low.
Set the SWCLK/TCK DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
CLK_LOW;
CLK_LOW;
}
@ -287,35 +287,35 @@ __STATIC_FORCEINLINE void PIN_SWCLK_TCK_CLR (void) {
\return Current status of the SWDIO/TMS DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_TMS_IN (void) {
return (DATA_READ) ? 1 : 0;
return (DATA_READ) ? 1 : 0;
}
/** SWDIO/TMS I/O pin: Set Output to High.
Set the SWDIO/TMS DAP hardware I/O pin to high level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_SET (void) {
DATA_HIGH;
DATA_HIGH;
}
/** SWDIO/TMS I/O pin: Set Output to Low.
Set the SWDIO/TMS DAP hardware I/O pin to low level.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_TMS_CLR (void) {
DATA_LOW;
DATA_LOW;
}
/** SWDIO I/O pin: Get Input (used in SWD mode only).
\return Current status of the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_SWDIO_IN (void) {
return (DATA_READ) ? 1 : 0;
return (DATA_READ) ? 1 : 0;
}
/** SWDIO I/O pin: Set Output (used in SWD mode only).
\param bit Output value for the SWDIO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT (uint32_t bit) {
if (bit & 1) { DATA_HIGH; } else { DATA_LOW; }
if (bit & 1) { DATA_HIGH; } else { DATA_LOW; }
}
/** SWDIO I/O pin: Switch to Output mode (used in SWD mode only).
@ -323,7 +323,7 @@ Configure the SWDIO DAP hardware I/O pin to output mode. This function is
called prior \ref PIN_SWDIO_OUT function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_ENABLE (void) {
DATA_ENABLE;
DATA_ENABLE;
}
/** SWDIO I/O pin: Switch to Input mode (used in SWD mode only).
@ -331,7 +331,7 @@ Configure the SWDIO DAP hardware I/O pin to input mode. This function is
called prior \ref PIN_SWDIO_IN function calls.
*/
__STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
DATA_HIZ;
DATA_HIZ;
}
@ -341,14 +341,14 @@ __STATIC_FORCEINLINE void PIN_SWDIO_OUT_DISABLE (void) {
\return Current status of the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDI_IN (void) {
return (0U);
return (0U);
}
/** TDI I/O pin: Set Output.
\param bit Output value for the TDI DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
;
;
}
@ -358,7 +358,7 @@ __STATIC_FORCEINLINE void PIN_TDI_OUT (uint32_t bit) {
\return Current status of the TDO DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
return (0U);
return (0U);
}
@ -368,7 +368,7 @@ __STATIC_FORCEINLINE uint32_t PIN_TDO_IN (void) {
\return Current status of the nTRST DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
return (0U);
return (0U);
}
/** nTRST I/O pin: Set Output.
@ -377,7 +377,7 @@ __STATIC_FORCEINLINE uint32_t PIN_nTRST_IN (void) {
- 1: release JTAG TRST Test Reset.
*/
__STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
// nRESET Pin I/O------------------------------------------
@ -386,7 +386,7 @@ __STATIC_FORCEINLINE void PIN_nTRST_OUT (uint32_t bit) {
\return Current status of the nRESET DAP hardware I/O pin.
*/
__STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
return (RESET_READ) ? 1 : 0;
return (RESET_READ) ? 1 : 0;
}
/** nRESET I/O pin: Set Output.
@ -395,7 +395,7 @@ __STATIC_FORCEINLINE uint32_t PIN_nRESET_IN (void) {
- 1: release device hardware reset.
*/
__STATIC_FORCEINLINE void PIN_nRESET_OUT (uint32_t bit) {
if (bit & 1) { RESET_HIGH; } else { RESET_LOW; }
if (bit & 1) { RESET_HIGH; } else { RESET_LOW; }
}
///@}
@ -420,7 +420,7 @@ It is recommended to provide the following LEDs for status indication:
- 0: Connect LED OFF: debugger is not connected to CMSIS-DAP Debug Unit.
*/
__STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
/** Debug Unit: Set status Target Running LED.
@ -429,7 +429,7 @@ __STATIC_INLINE void LED_CONNECTED_OUT (uint32_t bit) {
- 0: Target Running LED OFF: program execution in target stopped.
*/
__STATIC_INLINE void LED_RUNNING_OUT (uint32_t bit) {
(void)bit;
(void)bit;
}
///@}
@ -452,9 +452,9 @@ default, the DWT timer is used. The frequency of this timer is configured with
*/
__STATIC_INLINE uint32_t TIMESTAMP_GET (void) {
#if TIMESTAMP_CLOCK > 0
return (DWT->CYCCNT);
return (DWT->CYCCNT);
#else
return 0;
return 0;
#endif
}
@ -479,7 +479,7 @@ Status LEDs. In detail the operation of Hardware I/O and LED pins are enabled an
- LED output pins are enabled and LEDs are turned off.
*/
__STATIC_INLINE void DAP_SETUP (void) {
;
;
}
/** Reset Target Device with custom specific I/O pin or command sequence.
@ -490,7 +490,7 @@ when a device needs a time-critical unlock sequence that enables the debug port.
1 = a device specific reset sequence is implemented.
*/
__STATIC_INLINE uint8_t RESET_TARGET (void) {
return (0U); // change to '1' when a device reset sequence is implemented
return (0U); // change to '1' when a device reset sequence is implemented
}
///@}

2
bsp/stm32f072disco/cdc_stdio.c
View File

@ -2,6 +2,6 @@
#include "protos.h"
bool stdio_usb_init(void) {
return true;
return true;
}

12
bsp/stm32f072disco/i2c_tinyusb.c
View File

@ -4,22 +4,22 @@
__attribute__((__const__))
enum ki2c_funcs i2ctu_get_func(void) {
return 0;
return 0;
}
void i2ctu_init(void) {
}
uint32_t i2ctu_set_freq(uint32_t freq) {
return 0;
return 0;
}
enum itu_status i2ctu_write(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, const uint8_t* buf, size_t len) {
return ITU_STATUS_IDLE;
uint16_t addr, const uint8_t* buf, size_t len) {
return ITU_STATUS_IDLE;
}
enum itu_status i2ctu_read(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, uint8_t* buf, size_t len) {
return ITU_STATUS_IDLE;
uint16_t addr, uint8_t* buf, size_t len) {
return ITU_STATUS_IDLE;
}

8
bsp/stm32f072disco/protocfg.h
View File

@ -8,15 +8,15 @@
/*#define DBOARD_HAS_TINYI2C*/
enum {
HID_N_CMSISDAP = 0,
HID_N_CMSISDAP = 0,
HID_N__NITF
HID_N__NITF
};
enum {
CDC_N__NITF
CDC_N__NITF
};
enum {
VND_N__NITF = 0
VND_N__NITF = 0
};
#define CFG_TUD_HID 1

2
bsp/stm32f072disco/spi_serprog.c
View File

@ -4,7 +4,7 @@
void sp_spi_init(void) {
}
uint32_t sp_spi_set_freq(uint32_t freq_wanted) {
return 0;
return 0;
}
void sp_spi_cs_deselect(void) {
}

36
bsp/stm32f072disco/unique.c
View File

@ -4,30 +4,30 @@
#include "util.h"
uint8_t get_unique_id_u8(uint8_t *desc_str) {
const uint32_t *idpnt = (uint32_t*)(0x1FFFF7AC); /*DEVICE_ID1*/
uint32_t tmp = 0;
uint8_t chr_count = 0;
const uint32_t *idpnt = (uint32_t*)(0x1FFFF7AC); /*DEVICE_ID1*/
uint32_t tmp = 0;
uint8_t chr_count = 0;
for (int digit = 0; digit < 24; digit++) {
if (0 == (digit & 7)) tmp = *idpnt++;
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
for (int digit = 0; digit < 24; digit++) {
if (0 == (digit & 7)) tmp = *idpnt++;
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
return chr_count;
return chr_count;
}
uint8_t get_unique_id_u16(uint16_t *desc_str) {
const uint32_t *idpnt = (uint32_t*)(0x1FFFF7AC); /*DEVICE_ID1*/
uint32_t tmp = 0;
uint8_t chr_count = 0;
const uint32_t *idpnt = (uint32_t*)(0x1FFFF7AC); /*DEVICE_ID1*/
uint32_t tmp = 0;
uint8_t chr_count = 0;
for (int digit = 0; digit < 24; digit++) {
if (0 == (digit & 7)) tmp = *idpnt++;
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
for (int digit = 0; digit < 24; digit++) {
if (0 == (digit & 7)) tmp = *idpnt++;
desc_str[chr_count++] = nyb2hex(tmp & 0xf);
tmp >>= 4;
}
return chr_count;
return chr_count;
}

336
i2c-tiny-usb-misc/i2c-tiny-usb.c
View File

@ -34,13 +34,13 @@
static unsigned short delay = 10;
module_param(delay, ushort, 0);
MODULE_PARM_DESC(delay, "bit delay in microseconds "
"(default is 10us for 100kHz max)");
"(default is 10us for 100kHz max)");
static int usb_read(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len);
int value, int index, void *data, int len);
static int usb_write(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len);
int value, int index, void *data, int len);
/* ----- begin of i2c layer ---------------------------------------------- */
@ -50,102 +50,102 @@ static int usb_write(struct i2c_adapter *adapter, int cmd,
static int usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num)
{
unsigned char *pstatus;
struct i2c_msg *pmsg;
int i, ret, r;
unsigned char *pstatus;
struct i2c_msg *pmsg;
int i, ret, r;
dev_dbg(&adapter->dev, "master xfer %d messages:\n", num);
dev_dbg(&adapter->dev, "master xfer %d messages:\n", num);
pstatus = kmalloc(sizeof(*pstatus), GFP_KERNEL);
if (!pstatus)
return -ENOMEM;
pstatus = kmalloc(sizeof(*pstatus), GFP_KERNEL);
if (!pstatus)
return -ENOMEM;
for (i = 0 ; i < num ; i++) {
int cmd = CMD_I2C_IO;
for (i = 0 ; i < num ; i++) {
int cmd = CMD_I2C_IO;
if (i == 0)
cmd |= CMD_I2C_IO_BEGIN;
if (i == 0)
cmd |= CMD_I2C_IO_BEGIN;
if (i == num-1)
cmd |= CMD_I2C_IO_END;
if (i == num-1)
cmd |= CMD_I2C_IO_END;
pmsg = &msgs[i];
pmsg = &msgs[i];
dev_dbg(&adapter->dev,
" %d: %s (flags %d) %d bytes to 0x%02x\n",
i, pmsg->flags & I2C_M_RD ? "read" : "write",
pmsg->flags, pmsg->len, pmsg->addr);
dev_dbg(&adapter->dev,
" %d: %s (flags %d) %d bytes to 0x%02x\n",
i, pmsg->flags & I2C_M_RD ? "read" : "write",
pmsg->flags, pmsg->len, pmsg->addr);
/* and directly send the message */
if (pmsg->flags & I2C_M_RD) {
/* read data */
if ((r = usb_read(adapter, cmd,
pmsg->flags, pmsg->addr,
pmsg->buf, pmsg->len)) != pmsg->len) {
dev_err(&adapter->dev,
"failure reading data: %i\n", r);
ret = -EIO;
goto out;
}
} else {
/* write data */
if ((r = usb_write(adapter, cmd,
pmsg->flags, pmsg->addr,
pmsg->buf, pmsg->len)) != pmsg->len) {
dev_err(&adapter->dev,
"failure writing data: %i\n", r);
ret = -EIO;
goto out;
}
}
/* and directly send the message */
if (pmsg->flags & I2C_M_RD) {
/* read data */
if ((r = usb_read(adapter, cmd,
pmsg->flags, pmsg->addr,
pmsg->buf, pmsg->len)) != pmsg->len) {
dev_err(&adapter->dev,
"failure reading data: %i\n", r);
ret = -EIO;
goto out;
}
} else {
/* write data */
if ((r = usb_write(adapter, cmd,
pmsg->flags, pmsg->addr,
pmsg->buf, pmsg->len)) != pmsg->len) {
dev_err(&adapter->dev,
"failure writing data: %i\n", r);
ret = -EIO;
goto out;
}
}
/* read status */
if ((r = usb_read(adapter, CMD_GET_STATUS, 0, 0, pstatus, 1)) != 1) {
dev_err(&adapter->dev, "failure reading status: %i\n", r);
ret = -EIO;
goto out;
}
/* read status */
if ((r = usb_read(adapter, CMD_GET_STATUS, 0, 0, pstatus, 1)) != 1) {
dev_err(&adapter->dev, "failure reading status: %i\n", r);
ret = -EIO;
goto out;
}
dev_dbg(&adapter->dev, " status = %d\n", *pstatus);
if (*pstatus == STATUS_ADDRESS_NAK) {
ret = -ENXIO;
goto out;
}
}
dev_dbg(&adapter->dev, " status = %d\n", *pstatus);
if (*pstatus == STATUS_ADDRESS_NAK) {
ret = -ENXIO;
goto out;
}
}
ret = i;
ret = i;
out:
kfree(pstatus);
return ret;
kfree(pstatus);
return ret;
}
static u32 usb_func(struct i2c_adapter *adapter)
{
__le32 *pfunc;
u32 ret;
int i=-1;
__le32 *pfunc;
u32 ret;
int i=-1;
pfunc = kmalloc(sizeof(*pfunc), GFP_KERNEL);
pfunc = kmalloc(sizeof(*pfunc), GFP_KERNEL);
/* get functionality from adapter */
if (!pfunc || (i=usb_read(adapter, CMD_GET_FUNC, 0, 0, pfunc,
sizeof(*pfunc))) != sizeof(*pfunc)) {
dev_err(&adapter->dev, "failure reading functionality: %i\n", i);
ret = 0;
goto out;
}
/* get functionality from adapter */
if (!pfunc || (i=usb_read(adapter, CMD_GET_FUNC, 0, 0, pfunc,
sizeof(*pfunc))) != sizeof(*pfunc)) {
dev_err(&adapter->dev, "failure reading functionality: %i\n", i);
ret = 0;
goto out;
}
ret = le32_to_cpup(pfunc);
//dev_warn(&adapter->dev, "itu func=%08x\n", ret);
ret = le32_to_cpup(pfunc);
//dev_warn(&adapter->dev, "itu func=%08x\n", ret);
out:
kfree(pfunc);
return ret;
kfree(pfunc);
return ret;
}
/* This is the actual algorithm we define */
static const struct i2c_algorithm usb_algorithm = {
.master_xfer = usb_xfer,
.functionality = usb_func,
.master_xfer = usb_xfer,
.functionality = usb_func,
};
/* ----- end of i2c layer ------------------------------------------------ */
@ -158,152 +158,152 @@ static const struct i2c_algorithm usb_algorithm = {
* bought from EZPrototypes
*/
static const struct usb_device_id i2c_tiny_usb_table[] = {
{ USB_DEVICE(0x0403, 0xc631) }, /* FTDI */
{ USB_DEVICE(0x1c40, 0x0534) }, /* EZPrototypes */
{ /* TinyUSB DapperMime: we want the Vendor interface on I2C-enabled ones */
.match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION | USB_DEVICE_ID_MATCH_INT_CLASS,
.idVendor = 0xcafe, .idProduct = 0x1312,
.bcdDevice_lo = 0x6000, .bcdDevice_hi = 0x6fff,
.bInterfaceClass = 0
},
{ } /* Terminating entry */
{ USB_DEVICE(0x0403, 0xc631) }, /* FTDI */
{ USB_DEVICE(0x1c40, 0x0534) }, /* EZPrototypes */
{ /* TinyUSB DapperMime: we want the Vendor interface on I2C-enabled ones */
.match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION | USB_DEVICE_ID_MATCH_INT_CLASS,
.idVendor = 0xcafe, .idProduct = 0x1312,
.bcdDevice_lo = 0x6000, .bcdDevice_hi = 0x6fff,
.bInterfaceClass = 0
},
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, i2c_tiny_usb_table);
/* Structure to hold all of our device specific stuff */
struct i2c_tiny_usb {
struct usb_device *usb_dev; /* the usb device for this device */
struct usb_interface *interface; /* the interface for this device */
struct i2c_adapter adapter; /* i2c related things */
struct usb_device *usb_dev; /* the usb device for this device */
struct usb_interface *interface; /* the interface for this device */
struct i2c_adapter adapter; /* i2c related things */
};
static int usb_read(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len)
int value, int index, void *data, int len)
{
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
uint8_t *dmadata;
int ret;
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
uint8_t *dmadata;
int ret;
dmadata = kmalloc(len, GFP_KERNEL);
dmadata = kmalloc(len, GFP_KERNEL);
if (!dmadata)
return -ENOMEM;
if (!dmadata)
return -ENOMEM;
/* do control transfer */
ret = usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_IN,
value, index, dmadata, len, 2000);
/* do control transfer */
ret = usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_IN,
value, index, dmadata, len, 2000);
memcpy(data, dmadata, len);
memcpy(data, dmadata, len);
kfree(dmadata);
return ret;
kfree(dmadata);
return ret;
}
static int usb_write(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len)
int value, int index, void *data, int len)
{
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
uint8_t *dmadata;
int ret;
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
uint8_t *dmadata;
int ret;
dmadata = (uint8_t*)kmemdup(data, len, GFP_KERNEL);
if (!dmadata)
return -ENOMEM;
dmadata = (uint8_t*)kmemdup(data, len, GFP_KERNEL);
if (!dmadata)
return -ENOMEM;
/* do control transfer */
ret = usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
value, index, dmadata, len, 2000);
/* do control transfer */
ret = usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
value, index, dmadata, len, 2000);
kfree(dmadata);
return ret;
kfree(dmadata);
return ret;
}
static void i2c_tiny_usb_free(struct i2c_tiny_usb *dev)
{
usb_put_dev(dev->usb_dev);
kfree(dev);
usb_put_dev(dev->usb_dev);
kfree(dev);
}
static int i2c_tiny_usb_probe(struct usb_interface *interface,
const struct usb_device_id *id)
const struct usb_device_id *id)
{
struct i2c_tiny_usb *dev;
int retval = -ENOMEM;
u16 version;
struct i2c_tiny_usb *dev;
int retval = -ENOMEM;
u16 version;
dev_dbg(&interface->dev, "probing usb device\n");
dev_dbg(&interface->dev, "probing usb device\n");
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
dev_err(&interface->dev, "Out of memory\n");
goto error;
}
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
dev_err(&interface->dev, "Out of memory\n");
goto error;
}
dev->usb_dev = usb_get_dev(interface_to_usbdev(interface));
dev->interface = interface;
dev->usb_dev = usb_get_dev(interface_to_usbdev(interface));
dev->interface = interface;
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
version = le16_to_cpu(dev->usb_dev->descriptor.bcdDevice);
dev_info(&interface->dev,
"version %x.%02x found at bus %03d address %03d\n",
version >> 8, version & 0xff,
dev->usb_dev->bus->busnum, dev->usb_dev->devnum);
version = le16_to_cpu(dev->usb_dev->descriptor.bcdDevice);
dev_info(&interface->dev,
"version %x.%02x found at bus %03d address %03d\n",
version >> 8, version & 0xff,
dev->usb_dev->bus->busnum, dev->usb_dev->devnum);
/* setup i2c adapter description */
dev->adapter.owner = THIS_MODULE;
dev->adapter.class = I2C_CLASS_HWMON;
dev->adapter.algo = &usb_algorithm;
dev->adapter.algo_data = dev;
snprintf(dev->adapter.name, sizeof(dev->adapter.name),
"i2c-tiny-usb at bus %03d device %03d",
dev->usb_dev->bus->busnum, dev->usb_dev->devnum);
/* setup i2c adapter description */
dev->adapter.owner = THIS_MODULE;
dev->adapter.class = I2C_CLASS_HWMON;
dev->adapter.algo = &usb_algorithm;
dev->adapter.algo_data = dev;
snprintf(dev->adapter.name, sizeof(dev->adapter.name),
"i2c-tiny-usb at bus %03d device %03d",
dev->usb_dev->bus->busnum, dev->usb_dev->devnum);
if (usb_write(&dev->adapter, CMD_SET_DELAY, delay, 0, NULL, 0) != 0) {
dev_err(/*&dev->adapter.dev*/ &dev->usb_dev->dev, /* adapter.dev is null at this point */
"failure setting delay to %dus\n", delay);
retval = -EIO;
goto error;
}
if (usb_write(&dev->adapter, CMD_SET_DELAY, delay, 0, NULL, 0) != 0) {
dev_err(/*&dev->adapter.dev*/ &dev->usb_dev->dev, /* adapter.dev is null at this point */
"failure setting delay to %dus\n", delay);
retval = -EIO;
goto error;
}
dev->adapter.dev.parent = &dev->interface->dev;
dev->adapter.dev.parent = &dev->interface->dev;
/* and finally attach to i2c layer */
i2c_add_adapter(&dev->adapter);
/* and finally attach to i2c layer */
i2c_add_adapter(&dev->adapter);
/* inform user about successful attachment to i2c layer */
dev_info(&dev->adapter.dev, "connected i2c-tiny-usb device\n");
/* inform user about successful attachment to i2c layer */
dev_info(&dev->adapter.dev, "connected i2c-tiny-usb device\n");
return 0;
return 0;
error:
if (dev)
i2c_tiny_usb_free(dev);
if (dev)
i2c_tiny_usb_free(dev);
return retval;
return retval;
}
static void i2c_tiny_usb_disconnect(struct usb_interface *interface)
{
struct i2c_tiny_usb *dev = usb_get_intfdata(interface);
struct i2c_tiny_usb *dev = usb_get_intfdata(interface);
i2c_del_adapter(&dev->adapter);
usb_set_intfdata(interface, NULL);
i2c_tiny_usb_free(dev);
i2c_del_adapter(&dev->adapter);
usb_set_intfdata(interface, NULL);
i2c_tiny_usb_free(dev);
dev_dbg(&interface->dev, "disconnected\n");
dev_dbg(&interface->dev, "disconnected\n");
}
static struct usb_driver i2c_tiny_usb_driver = {
.name = "i2c-tiny-usb",
.probe = i2c_tiny_usb_probe,
.disconnect = i2c_tiny_usb_disconnect,
.id_table = i2c_tiny_usb_table,
.name = "i2c-tiny-usb",
.probe = i2c_tiny_usb_probe,
.disconnect = i2c_tiny_usb_disconnect,
.id_table = i2c_tiny_usb_table,
};
module_usb_driver(i2c_tiny_usb_driver);

338
src/cdc_serprog.c
View File

@ -23,19 +23,19 @@
// so leaving it here for now
static const uint8_t serprog_cmdmap[32] = {
0x3f, // cmd 00..05 not 0x06 (Q_CHIPSIZE) and 0x07 (Q_OPBUF), as this is a SPI-only device
0x01, // only cmd 08
0x1f, // cmd 10..15 supported
0, // 18..1f
0, // 20..27
0, // 28..2f
0, // 30..37
0, // 38..3f
0, // 40..47
0, // 48..4f
(1<<3), // 50..57: enable 0x53
0, // 58..5f
0, // rest is 0
0x3f, // cmd 00..05 not 0x06 (Q_CHIPSIZE) and 0x07 (Q_OPBUF), as this is a SPI-only device
0x01, // only cmd 08
0x1f, // cmd 10..15 supported
0, // 18..1f
0, // 20..27
0, // 28..2f
0, // 30..37
0, // 38..3f
0, // 40..47
0, // 48..4f
(1<<3), // 50..57: enable 0x53
0, // 58..5f
0, // rest is 0
};
static const char serprog_pgmname[16] = INFO_PRODUCT_BARE;
@ -45,194 +45,194 @@ static uint8_t tx_buf[CFG_TUD_CDC_TX_BUFSIZE];
static uint32_t rxavail, rxpos;
void cdc_serprog_init(void) {
rxavail = 0;
rxpos = 0;
rxavail = 0;
rxpos = 0;
sp_spi_init();
sp_spi_init();
}
static uint8_t read_byte(void) {
while (rxavail <= 0) {
if (!tud_cdc_n_connected(CDC_N_SERPROG) || !tud_cdc_n_available(CDC_N_SERPROG)) {
thread_yield();
continue;
}
while (rxavail <= 0) {
if (!tud_cdc_n_connected(CDC_N_SERPROG) || !tud_cdc_n_available(CDC_N_SERPROG)) {
thread_yield();
continue;
}
rxpos = 0;
rxavail = tud_cdc_n_read(CDC_N_SERPROG, rx_buf, sizeof rx_buf);
rxpos = 0;
rxavail = tud_cdc_n_read(CDC_N_SERPROG, rx_buf, sizeof rx_buf);
if (rxavail == 0) thread_yield();
}
if (rxavail == 0) thread_yield();
}
uint8_t rv = rx_buf[rxpos];
++rxpos;
--rxavail;
return rv;
uint8_t rv = rx_buf[rxpos];
++rxpos;
--rxavail;
return rv;
}
static void handle_cmd(void) {
uint32_t nresp = 0;
uint8_t cmd = read_byte();
switch (cmd) {
case S_CMD_NOP:
tx_buf[0] = S_ACK;
nresp = 1;
break;
case S_CMD_SYNCNOP:
tx_buf[0] = S_NAK;
tx_buf[1] = S_ACK;
nresp = 2;
break;
case S_CMD_Q_IFACE:
tx_buf[0] = S_ACK;
tx_buf[1] = SERPROG_IFACE_VERSION & 0xff;
tx_buf[2] = (SERPROG_IFACE_VERSION >> 8) & 0xff;
nresp = 3;
break;
case S_CMD_Q_CMDMAP:
tx_buf[0] = S_ACK;
memcpy(&tx_buf[1], serprog_cmdmap, sizeof serprog_cmdmap);
nresp = sizeof(serprog_cmdmap) + 1;
break;
case S_CMD_Q_PGMNAME:
tx_buf[0] = S_ACK;
memcpy(&tx_buf[1], serprog_pgmname, sizeof serprog_pgmname);
nresp = sizeof(serprog_pgmname) + 1;
break;
case S_CMD_Q_SERBUF:
tx_buf[0] = S_ACK;
tx_buf[1] = sizeof(rx_buf) & 0xff;
tx_buf[2] = (sizeof(rx_buf) >> 8) & 0xff;
nresp = 3;
break;
case S_CMD_Q_BUSTYPE:
tx_buf[0] = S_ACK;
tx_buf[1] = 1<<3; // SPI only
nresp = 2;
break;
case S_CMD_Q_WRNMAXLEN:
tx_buf[0] = S_ACK;
tx_buf[1] = (sizeof(tx_buf)-1) & 0xff;
tx_buf[2] = ((sizeof(tx_buf)-1) >> 8) & 0xff;
tx_buf[3] = ((sizeof(tx_buf)-1) >>16) & 0xff;
nresp = 4;
break;
case S_CMD_Q_RDNMAXLEN:
tx_buf[0] = S_ACK;
tx_buf[1] = (sizeof(rx_buf)-1) & 0xff;
tx_buf[2] = ((sizeof(rx_buf)-1) >> 8) & 0xff;
tx_buf[3] = ((sizeof(rx_buf)-1) >>16) & 0xff;
nresp = 4;
break;
case S_CMD_S_BUSTYPE:
if (read_byte()/* bus type to set */ == (1<<3)) {
tx_buf[0] = S_ACK;
} else {
tx_buf[0] = S_NAK;
}
nresp = 1;
break;
switch (cmd) {
case S_CMD_NOP:
tx_buf[0] = S_ACK;
nresp = 1;
break;
case S_CMD_SYNCNOP:
tx_buf[0] = S_NAK;
tx_buf[1] = S_ACK;
nresp = 2;
break;
case S_CMD_Q_IFACE:
tx_buf[0] = S_ACK;
tx_buf[1] = SERPROG_IFACE_VERSION & 0xff;
tx_buf[2] = (SERPROG_IFACE_VERSION >> 8) & 0xff;
nresp = 3;
break;
case S_CMD_Q_CMDMAP:
tx_buf[0] = S_ACK;
memcpy(&tx_buf[1], serprog_cmdmap, sizeof serprog_cmdmap);
nresp = sizeof(serprog_cmdmap) + 1;
break;
case S_CMD_Q_PGMNAME:
tx_buf[0] = S_ACK;
memcpy(&tx_buf[1], serprog_pgmname, sizeof serprog_pgmname);
nresp = sizeof(serprog_pgmname) + 1;
break;
case S_CMD_Q_SERBUF:
tx_buf[0] = S_ACK;
tx_buf[1] = sizeof(rx_buf) & 0xff;
tx_buf[2] = (sizeof(rx_buf) >> 8) & 0xff;
nresp = 3;
break;
case S_CMD_Q_BUSTYPE:
tx_buf[0] = S_ACK;
tx_buf[1] = 1<<3; // SPI only
nresp = 2;
break;
case S_CMD_Q_WRNMAXLEN:
tx_buf[0] = S_ACK;
tx_buf[1] = (sizeof(tx_buf)-1) & 0xff;
tx_buf[2] = ((sizeof(tx_buf)-1) >> 8) & 0xff;
tx_buf[3] = ((sizeof(tx_buf)-1) >>16) & 0xff;
nresp = 4;
break;
case S_CMD_Q_RDNMAXLEN:
tx_buf[0] = S_ACK;
tx_buf[1] = (sizeof(rx_buf)-1) & 0xff;
tx_buf[2] = ((sizeof(rx_buf)-1) >> 8) & 0xff;
tx_buf[3] = ((sizeof(rx_buf)-1) >>16) & 0xff;
nresp = 4;
break;
case S_CMD_S_BUSTYPE:
if (read_byte()/* bus type to set */ == (1<<3)) {
tx_buf[0] = S_ACK;
} else {
tx_buf[0] = S_NAK;
}
nresp = 1;
break;
case S_CMD_SPIOP: {
uint32_t slen, rlen;
slen = (uint32_t)read_byte();
slen |= (uint32_t)read_byte() << 8;
slen |= (uint32_t)read_byte() << 16;
rlen = (uint32_t)read_byte();
rlen |= (uint32_t)read_byte() << 8;
rlen |= (uint32_t)read_byte() << 16;
case S_CMD_SPIOP: {
uint32_t slen, rlen;
slen = (uint32_t)read_byte();
slen |= (uint32_t)read_byte() << 8;
slen |= (uint32_t)read_byte() << 16;
rlen = (uint32_t)read_byte();
rlen |= (uint32_t)read_byte() << 8;
rlen |= (uint32_t)read_byte() << 16;
sp_spi_op_begin();
size_t this_batch;
sp_spi_op_begin();
size_t this_batch;
// 1. write slen data bytes
// we're going to use the tx buf for all operations here
while (slen > 0) {
this_batch = sizeof(tx_buf);
if (this_batch > slen) this_batch = slen;
// 1. write slen data bytes
// we're going to use the tx buf for all operations here
while (slen > 0) {
this_batch = sizeof(tx_buf);
if (this_batch > slen) this_batch = slen;
for (size_t i = 0; i < this_batch; ++i) tx_buf[i] = read_byte();
sp_spi_op_write(this_batch, tx_buf);
for (size_t i = 0; i < this_batch; ++i) tx_buf[i] = read_byte();
sp_spi_op_write(this_batch, tx_buf);
slen -= this_batch;
}
slen -= this_batch;
}
// 2. write data
// first, do a batch of 63, because we also need to send an ACK byte
this_batch = sizeof(tx_buf)-1;
if (this_batch > rlen) this_batch = rlen;
sp_spi_op_read(this_batch, &tx_buf[1]);
tx_buf[0] = S_ACK;
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, this_batch+1);
rlen -= this_batch;
// 2. write data
// first, do a batch of 63, because we also need to send an ACK byte
this_batch = sizeof(tx_buf)-1;
if (this_batch > rlen) this_batch = rlen;
sp_spi_op_read(this_batch, &tx_buf[1]);
tx_buf[0] = S_ACK;
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, this_batch+1);
rlen -= this_batch;
// now do in batches of 64
while (rlen > 0) {
this_batch = sizeof(tx_buf);
if (this_batch > rlen) this_batch = rlen;
// now do in batches of 64
while (rlen > 0) {
this_batch = sizeof(tx_buf);
if (this_batch > rlen) this_batch = rlen;
sp_spi_op_read(this_batch, tx_buf);
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, this_batch);
sp_spi_op_read(this_batch, tx_buf);
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, this_batch);
rlen -= this_batch;
}
tud_cdc_n_write_flush(CDC_N_SERPROG);
rlen -= this_batch;
}
tud_cdc_n_write_flush(CDC_N_SERPROG);
// that's it!
sp_spi_op_end();
nresp = 0; // we sent our own response manually
}
break;
case S_CMD_S_SPI_FREQ: {
uint32_t freq;
freq = (uint32_t)read_byte();
freq |= (uint32_t)read_byte() << 8;
freq |= (uint32_t)read_byte() << 16;
freq |= (uint32_t)read_byte() << 24;
// that's it!
sp_spi_op_end();
nresp = 0; // we sent our own response manually
}
break;
case S_CMD_S_SPI_FREQ: {
uint32_t freq;
freq = (uint32_t)read_byte();
freq |= (uint32_t)read_byte() << 8;
freq |= (uint32_t)read_byte() << 16;
freq |= (uint32_t)read_byte() << 24;
uint32_t nfreq = sp_spi_set_freq(freq);
tx_buf[0] = S_ACK;
tx_buf[1] = nfreq & 0xff;
tx_buf[2] = (nfreq >> 8) & 0xff;
tx_buf[3] = (nfreq >> 16) & 0xff;
tx_buf[4] = (nfreq >> 24) & 0xff;
nresp = 5;
}
break;
case S_CMD_S_PINSTATE: {
if (read_byte() == 0) sp_spi_cs_deselect();
else sp_spi_cs_select();
uint32_t nfreq = sp_spi_set_freq(freq);
tx_buf[0] = S_ACK;
tx_buf[1] = nfreq & 0xff;
tx_buf[2] = (nfreq >> 8) & 0xff;
tx_buf[3] = (nfreq >> 16) & 0xff;
tx_buf[4] = (nfreq >> 24) & 0xff;
nresp = 5;
}
break;
case S_CMD_S_PINSTATE: {
if (read_byte() == 0) sp_spi_cs_deselect();
else sp_spi_cs_select();
tx_buf[0] = S_ACK;
nresp = 1;
}
break;
tx_buf[0] = S_ACK;
nresp = 1;
}
break;
case S_CMD_MAGIC_SETTINGS: {
uint8_t a = read_byte();
uint8_t b = read_byte();
case S_CMD_MAGIC_SETTINGS: {
uint8_t a = read_byte();
uint8_t b = read_byte();
tx_buf[0] = S_ACK;
tx_buf[1] = rtconf_do(a, b);
nresp = 2;
}
break;
tx_buf[0] = S_ACK;
tx_buf[1] = rtconf_do(a, b);
nresp = 2;
}
break;
default:
tx_buf[0] = S_NAK;
nresp = 1;
break;
}
default:
tx_buf[0] = S_NAK;
nresp = 1;
break;
}
if (nresp > 0) {
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, nresp);
tud_cdc_n_write_flush(CDC_N_SERPROG);
}
if (nresp > 0) {
tud_cdc_n_write(CDC_N_SERPROG, tx_buf, nresp);
tud_cdc_n_write_flush(CDC_N_SERPROG);
}
}
void cdc_serprog_task(void) {
handle_cmd();
handle_cmd();
}
#endif /* DBOARD_HAS_SERPROG */

128
src/i2ctinyusb.h
View File

@ -9,87 +9,87 @@
#include "protocfg.h"
enum itu_command {
ITU_CMD_ECHO = 0,
ITU_CMD_GET_FUNC = 1,
ITU_CMD_SET_DELAY = 2,
ITU_CMD_GET_STATUS = 3,
ITU_CMD_ECHO = 0,
ITU_CMD_GET_FUNC = 1,
ITU_CMD_SET_DELAY = 2,
ITU_CMD_GET_STATUS = 3,
ITU_CMD_I2C_IO_BEGIN_F = (1<<0),
ITU_CMD_I2C_IO_END_F = (1<<1),
ITU_CMD_I2C_IO_DIR_MASK = ITU_CMD_I2C_IO_BEGIN_F | ITU_CMD_I2C_IO_END_F,
ITU_CMD_I2C_IO_BEGIN_F = (1<<0),
ITU_CMD_I2C_IO_END_F = (1<<1),
ITU_CMD_I2C_IO_DIR_MASK = ITU_CMD_I2C_IO_BEGIN_F | ITU_CMD_I2C_IO_END_F,
ITU_CMD_I2C_IO = 4,
ITU_CMD_I2C_IO_BEGIN = 4 | ITU_CMD_I2C_IO_BEGIN_F,
ITU_CMD_I2C_IO_END = 4 | ITU_CMD_I2C_IO_END_F ,
ITU_CMD_I2C_IO_BEGINEND = 4 | ITU_CMD_I2C_IO_BEGIN_F | ITU_CMD_I2C_IO_END_F,
ITU_CMD_I2C_IO = 4,
ITU_CMD_I2C_IO_BEGIN = 4 | ITU_CMD_I2C_IO_BEGIN_F,
ITU_CMD_I2C_IO_END = 4 | ITU_CMD_I2C_IO_END_F ,
ITU_CMD_I2C_IO_BEGINEND = 4 | ITU_CMD_I2C_IO_BEGIN_F | ITU_CMD_I2C_IO_END_F,
};
enum itu_status {
ITU_STATUS_IDLE = 0,
ITU_STATUS_ADDR_ACK = 1,
ITU_STATUS_ADDR_NAK = 2
ITU_STATUS_IDLE = 0,
ITU_STATUS_ADDR_ACK = 1,
ITU_STATUS_ADDR_NAK = 2
};
// these two are lifted straight from the linux kernel, lmao
enum ki2c_flags {
I2C_M_RD = 0x0001, /* guaranteed to be 0x0001! */
I2C_M_TEN = 0x0010, /* use only if I2C_FUNC_10BIT_ADDR */
I2C_M_DMA_SAFE = 0x0200, /* use only in kernel space */
I2C_M_RECV_LEN = 0x0400, /* use only if I2C_FUNC_SMBUS_READ_BLOCK_DATA */
I2C_M_NO_RD_ACK = 0x0800, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_IGNORE_NAK = 0x1000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_REV_DIR_ADDR = 0x2000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_NOSTART = 0x4000, /* use only if I2C_FUNC_NOSTART */
I2C_M_STOP = 0x8000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_RD = 0x0001, /* guaranteed to be 0x0001! */
I2C_M_TEN = 0x0010, /* use only if I2C_FUNC_10BIT_ADDR */
I2C_M_DMA_SAFE = 0x0200, /* use only in kernel space */
I2C_M_RECV_LEN = 0x0400, /* use only if I2C_FUNC_SMBUS_READ_BLOCK_DATA */
I2C_M_NO_RD_ACK = 0x0800, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_IGNORE_NAK = 0x1000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_REV_DIR_ADDR = 0x2000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
I2C_M_NOSTART = 0x4000, /* use only if I2C_FUNC_NOSTART */
I2C_M_STOP = 0x8000, /* use only if I2C_FUNC_PROTOCOL_MANGLING */
};
enum ki2c_funcs {
I2C_FUNC_I2C = 0x00000001,
I2C_FUNC_10BIT_ADDR = 0x00000002, /* required for I2C_M_TEN */
I2C_FUNC_PROTOCOL_MANGLING = 0x00000004, /* required for I2C_M_IGNORE_NAK etc. */
I2C_FUNC_SMBUS_PEC = 0x00000008,
I2C_FUNC_NOSTART = 0x00000010, /* required for I2C_M_NOSTART */
I2C_FUNC_SLAVE = 0x00000020,
I2C_FUNC_SMBUS_BLOCK_PROC_CALL = 0x00008000, /* SMBus 2.0 or later */
I2C_FUNC_SMBUS_QUICK = 0x00010000,
I2C_FUNC_SMBUS_READ_BYTE = 0x00020000,
I2C_FUNC_SMBUS_WRITE_BYTE = 0x00040000,
I2C_FUNC_SMBUS_READ_BYTE_DATA = 0x00080000,
I2C_FUNC_SMBUS_WRITE_BYTE_DATA = 0x00100000,
I2C_FUNC_SMBUS_READ_WORD_DATA = 0x00200000,
I2C_FUNC_SMBUS_WRITE_WORD_DATA = 0x00400000,
I2C_FUNC_SMBUS_PROC_CALL = 0x00800000,
I2C_FUNC_SMBUS_READ_BLOCK_DATA = 0x01000000, /* required for I2C_M_RECV_LEN */
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA = 0x02000000,
I2C_FUNC_SMBUS_READ_I2C_BLOCK = 0x04000000, /* I2C-like block xfer */
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK = 0x08000000, /* w/ 1-byte reg. addr. */
I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 = 0x10000000, /* I2C-like block xfer */
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 = 0x20000000, /* w/ 2-byte reg. addr. */
I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC = 0x40000000, /* SMBus 2.0 or later */
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC = 0x80000000, /* SMBus 2.0 or later */
I2C_FUNC_I2C = 0x00000001,
I2C_FUNC_10BIT_ADDR = 0x00000002, /* required for I2C_M_TEN */
I2C_FUNC_PROTOCOL_MANGLING = 0x00000004, /* required for I2C_M_IGNORE_NAK etc. */
I2C_FUNC_SMBUS_PEC = 0x00000008,
I2C_FUNC_NOSTART = 0x00000010, /* required for I2C_M_NOSTART */
I2C_FUNC_SLAVE = 0x00000020,
I2C_FUNC_SMBUS_BLOCK_PROC_CALL = 0x00008000, /* SMBus 2.0 or later */
I2C_FUNC_SMBUS_QUICK = 0x00010000,
I2C_FUNC_SMBUS_READ_BYTE = 0x00020000,
I2C_FUNC_SMBUS_WRITE_BYTE = 0x00040000,
I2C_FUNC_SMBUS_READ_BYTE_DATA = 0x00080000,
I2C_FUNC_SMBUS_WRITE_BYTE_DATA = 0x00100000,
I2C_FUNC_SMBUS_READ_WORD_DATA = 0x00200000,
I2C_FUNC_SMBUS_WRITE_WORD_DATA = 0x00400000,
I2C_FUNC_SMBUS_PROC_CALL = 0x00800000,
I2C_FUNC_SMBUS_READ_BLOCK_DATA = 0x01000000, /* required for I2C_M_RECV_LEN */
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA = 0x02000000,
I2C_FUNC_SMBUS_READ_I2C_BLOCK = 0x04000000, /* I2C-like block xfer */
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK = 0x08000000, /* w/ 1-byte reg. addr. */
I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 = 0x10000000, /* I2C-like block xfer */
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 = 0x20000000, /* w/ 2-byte reg. addr. */
I2C_FUNC_SMBUS_READ_BLOCK_DATA_PEC = 0x40000000, /* SMBus 2.0 or later */
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA_PEC = 0x80000000, /* SMBus 2.0 or later */
I2C_FUNC_SMBUS_BYTE = (I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE),
I2C_FUNC_SMBUS_BYTE_DATA = (I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_WRITE_BYTE_DATA),
I2C_FUNC_SMBUS_WORD_DATA = (I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA),
I2C_FUNC_SMBUS_BLOCK_DATA = (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA),
I2C_FUNC_SMBUS_I2C_BLOCK = (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK),
I2C_FUNC_SMBUS_BYTE = (I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE),
I2C_FUNC_SMBUS_BYTE_DATA = (I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_WRITE_BYTE_DATA),
I2C_FUNC_SMBUS_WORD_DATA = (I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA),
I2C_FUNC_SMBUS_BLOCK_DATA = (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA),
I2C_FUNC_SMBUS_I2C_BLOCK = (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK),
I2C_FUNC_SMBUS_EMUL = (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | \
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | \
I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_PEC),
I2C_FUNC_SMBUS_EMUL = (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | \
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | \
I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_PEC),
/* if I2C_M_RECV_LEN is also supported */
I2C_FUNC_SMBUS_EMUL_ALL = (I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
I2C_FUNC_SMBUS_BLOCK_PROC_CALL),
/* if I2C_M_RECV_LEN is also supported */
I2C_FUNC_SMBUS_EMUL_ALL = (I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
I2C_FUNC_SMBUS_BLOCK_PROC_CALL),
};
__attribute__((__packed__))
struct itu_cmd {
uint16_t flags;
uint16_t addr;
uint16_t len;
uint8_t cmd;
uint16_t flags;
uint16_t addr;
uint16_t len;
uint8_t cmd;
};
#ifdef DBOARD_HAS_I2C
@ -98,9 +98,9 @@ enum ki2c_funcs i2ctu_get_func(void);
void i2ctu_init(void);
uint32_t i2ctu_set_freq(uint32_t freq, uint32_t us); // returns selected frequency, or 0 on error
enum itu_status i2ctu_write(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, const uint8_t* buf, size_t len);
uint16_t addr, const uint8_t* buf, size_t len);
enum itu_status i2ctu_read(enum ki2c_flags flags, enum itu_command startstopflags,
uint16_t addr, uint8_t* buf, size_t len);
uint16_t addr, uint8_t* buf, size_t len);
#endif
#endif

104
src/main.c
View File

@ -49,7 +49,7 @@
static cothread_t mainthread;
void thread_yield(void) {
co_switch(mainthread);
co_switch(mainthread);
}
#define DEFAULT_STACK_SIZE 1024
@ -59,12 +59,12 @@ static cothread_t uartthread;
static uint8_t uartstack[DEFAULT_STACK_SIZE];
static void uart_thread_fn(void) {
cdc_uart_init();
thread_yield();
while (1) {
cdc_uart_task();
thread_yield();
}
cdc_uart_init();
thread_yield();
while (1) {
cdc_uart_task();
thread_yield();
}
}
#endif
@ -89,59 +89,59 @@ extern cothread_t co_active_handle;
cothread_t co_active_handle;
int main(void) {
mainthread = co_active();
mainthread = co_active();
// TODO: split this out in a bsp-specific file
// TODO: split this out in a bsp-specific file
#if defined(PICO_BOARD) && !defined(USE_USBCDC_FOR_STDIO)
// use hardcoded values from TinyUSB board.h
bi_decl(bi_2pins_with_func(0, 1, GPIO_FUNC_UART));
/*i2c_init(PINOUT_I2C_DEV, 100*1000);
// use hardcoded values from TinyUSB board.h
bi_decl(bi_2pins_with_func(0, 1, GPIO_FUNC_UART));
/*i2c_init(PINOUT_I2C_DEV, 100*1000);
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
gpio_pull_up(PINOUT_I2C_SCL);
gpio_pull_up(PINOUT_I2C_SDA);
gpio_set_function(PINOUT_I2C_SCL, GPIO_FUNC_I2C);
gpio_set_function(PINOUT_I2C_SDA, GPIO_FUNC_I2C);
gpio_pull_up(PINOUT_I2C_SCL);
gpio_pull_up(PINOUT_I2C_SDA);
bi_decl(bi_2pins_with_func(PINOUT_I2C_SCL, PINOUT_I2C_SDA, GPIO_FUNC_I2C));*/
bi_decl(bi_2pins_with_func(PINOUT_I2C_SCL, PINOUT_I2C_SDA, GPIO_FUNC_I2C));*/
#endif
board_init();
board_init();
#ifdef DBOARD_HAS_UART
uartthread = co_derive(uartstack, sizeof uartstack, uart_thread_fn);
co_switch(uartthread); // will call cdc_uart_init() on correct thread
uartthread = co_derive(uartstack, sizeof uartstack, uart_thread_fn);
co_switch(uartthread); // will call cdc_uart_init() on correct thread
#endif
#ifdef DBOARD_HAS_SERPROG
serprogthread = co_derive(serprogstack, sizeof serprogstack, serprog_thread_fn);
co_switch(serprogthread); // will call cdc_serprog_init() on correct thread
serprogthread = co_derive(serprogstack, sizeof serprogstack, serprog_thread_fn);
co_switch(serprogthread); // will call cdc_serprog_init() on correct thread
#endif
#ifdef DBOARD_HAS_CMSISDAP
DAP_Setup();
DAP_Setup();
#endif
tusb_init();
tusb_init();
#ifdef USE_USBCDC_FOR_STDIO
stdio_usb_init();
stdio_usb_init();
#endif
while (1) {
/*uint8_t val = 0x12;
i2c_write_timeout_us(PINOUT_I2C_DEV, 0x13, &val, 1, false, 1000*1000);*/
while (1) {
/*uint8_t val = 0x12;
i2c_write_timeout_us(PINOUT_I2C_DEV, 0x13, &val, 1, false, 1000*1000);*/
tud_task(); // tinyusb device task
tud_task(); // tinyusb device task
#ifdef DBOARD_HAS_UART
co_switch(uartthread);
co_switch(uartthread);
#endif
//i2c_write_timeout_us(PINOUT_I2C_DEV, 0x13, &val, 1, false, 1000*1000);
//i2c_write_timeout_us(PINOUT_I2C_DEV, 0x13, &val, 1, false, 1000*1000);
tud_task(); // tinyusb device task
tud_task(); // tinyusb device task
#ifdef DBOARD_HAS_SERPROG
co_switch(serprogthread);
co_switch(serprogthread);
#endif
}
}
return 0;
return 0;
}
//--------------------------------------------------------------------+
@ -152,31 +152,31 @@ int main(void) {
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request
uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id,
hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) {
// TODO not Implemented
(void) instance;
(void) report_id;
(void) report_type;
(void) buffer;
(void) reqlen;
hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) {
// TODO not Implemented
(void) instance;
(void) report_id;
(void) report_type;
(void) buffer;
(void) reqlen;
return 0;
return 0;
}
void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id,
hid_report_type_t report_type, uint8_t const* RxDataBuffer, uint16_t bufsize) {
static uint8_t TxDataBuffer[CFG_TUD_HID_EP_BUFSIZE];
uint32_t response_size = TU_MIN(CFG_TUD_HID_EP_BUFSIZE, bufsize);
hid_report_type_t report_type, uint8_t const* RxDataBuffer, uint16_t bufsize) {
static uint8_t TxDataBuffer[CFG_TUD_HID_EP_BUFSIZE];
uint32_t response_size = TU_MIN(CFG_TUD_HID_EP_BUFSIZE, bufsize);
// This doesn't use multiple report and report ID
(void) instance;
(void) report_id;
(void) report_type;
// This doesn't use multiple report and report ID
(void) instance;
(void) report_id;
(void) report_type;
#ifdef DBOARD_HAS_CMSISDAP
DAP_ProcessCommand(RxDataBuffer, TxDataBuffer);
DAP_ProcessCommand(RxDataBuffer, TxDataBuffer);
#endif
tud_hid_report(0, TxDataBuffer, response_size);
tud_hid_report(0, TxDataBuffer, response_size);
}

54
src/rtconf.c
View File

@ -8,52 +8,52 @@
#include "tempsensor.h"
enum {
implmap_val = 0
implmap_val = 0
#ifdef DBOARD_HAS_CMSISDAP
| 1
| 1
#endif
#ifdef DBOARD_HAS_UART
| 2
| 2
#endif
// always true
// always true
/*#ifdef DBOARD_HAS_SERPROG
| 4
| 4
#endif*/
#ifdef DBOARD_HAS_I2C
| 4
| 4
#endif
#ifdef DBOARD_HAS_TEMPSENSOR
| 8
| 8
#endif
#ifdef USE_USBCDC_FOR_STDIO
| 128
| 128
#endif
};
uint8_t rtconf_do(uint8_t a, uint8_t b) {
switch ((enum rtconf_opt)a) {
switch ((enum rtconf_opt)a) {
#ifdef DBOARD_HAS_UART
case opt_uart_hwfc_endis:
cdc_uart_set_hwflow(b != 0);
return 0;
case opt_uart_hwfc_endis:
cdc_uart_set_hwflow(b != 0);
return 0;
#endif
#ifdef DBOARD_HAS_TEMPSENSOR
case opt_tempsense_enaddr: {
bool act = tempsense_get_active();
uint8_t addr = tempsense_get_addr();
printf("act=%c addr=%02x arg=%02x\n", act?'t':'f', addr, b);
uint8_t rv = tempsense_get_active() ? tempsense_get_addr() : 0xff;
if (b == 0x00) return rv;
else if (b == 0xff) tempsense_set_active(false);
else tempsense_set_addr(b);
return rv;
}
case opt_tempsense_enaddr: {
bool act = tempsense_get_active();
uint8_t addr = tempsense_get_addr();
printf("act=%c addr=%02x arg=%02x\n", act?'t':'f', addr, b);
uint8_t rv = tempsense_get_active() ? tempsense_get_addr() : 0xff;
if (b == 0x00) return rv;
else if (b == 0xff) tempsense_set_active(false);
else tempsense_set_addr(b);
return rv;
}
#endif
case opt_get_implmap:
return implmap_val;
default:
return 0xff;
}
case opt_get_implmap:
return implmap_val;
default:
return 0xff;
}
}

18
src/rtconf.h
View File

@ -8,19 +8,19 @@
enum rtconf_opt {
#ifdef DBOARD_HAS_UART
// enable_disable UART flow control
// b: 0 -> disable, nonzero -> enable
// return: 0
opt_uart_hwfc_endis = 1,
// enable_disable UART flow control
// b: 0 -> disable, nonzero -> enable
// return: 0
opt_uart_hwfc_endis = 1,
#endif
#ifdef DBOARD_HAS_TEMPSENSOR
// 0x00: get I2C address or enable/disable status
// 0xff: disable
//other: set I2C address
opt_tempsense_enaddr = 2,
// 0x00: get I2C address or enable/disable status
// 0xff: disable
//other: set I2C address
opt_tempsense_enaddr = 2,
#endif
opt_get_implmap = 0xff
opt_get_implmap = 0xff
};
uint8_t rtconf_do(uint8_t a, uint8_t b);

60
src/serprog.h
View File

@ -3,35 +3,35 @@
#define SERPROG_H_
enum serprog_cmd {
S_CMD_NOP = 0x00,
S_CMD_Q_IFACE = 0x01,
S_CMD_Q_CMDMAP = 0x02,
S_CMD_Q_PGMNAME = 0x03,
S_CMD_Q_SERBUF = 0x04,
S_CMD_Q_BUSTYPE = 0x05,
S_CMD_Q_CHIPSIZE = 0x06,
S_CMD_Q_OPBUF = 0x07,
S_CMD_Q_WRNMAXLEN = 0x08,
S_CMD_R_BYTE = 0x09,
S_CMD_R_NBYTES = 0x0a,
S_CMD_O_INIT = 0x0b,
S_CMD_O_WRITEB = 0x0c,
S_CMD_O_WRITEN = 0x0d,
S_CMD_O_DELAY = 0x0e,
S_CMD_O_EXEC = 0x0f,
S_CMD_SYNCNOP = 0x10,
S_CMD_Q_RDNMAXLEN = 0x11,
S_CMD_S_BUSTYPE = 0x12,
S_CMD_SPIOP = 0x13,
S_CMD_S_SPI_FREQ = 0x14,
S_CMD_S_PINSTATE = 0x15,
S_CMD_NOP = 0x00,
S_CMD_Q_IFACE = 0x01,
S_CMD_Q_CMDMAP = 0x02,
S_CMD_Q_PGMNAME = 0x03,
S_CMD_Q_SERBUF = 0x04,
S_CMD_Q_BUSTYPE = 0x05,
S_CMD_Q_CHIPSIZE = 0x06,
S_CMD_Q_OPBUF = 0x07,
S_CMD_Q_WRNMAXLEN = 0x08,
S_CMD_R_BYTE = 0x09,
S_CMD_R_NBYTES = 0x0a,
S_CMD_O_INIT = 0x0b,
S_CMD_O_WRITEB = 0x0c,
S_CMD_O_WRITEN = 0x0d,
S_CMD_O_DELAY = 0x0e,
S_CMD_O_EXEC = 0x0f,
S_CMD_SYNCNOP = 0x10,
S_CMD_Q_RDNMAXLEN = 0x11,
S_CMD_S_BUSTYPE = 0x12,
S_CMD_SPIOP = 0x13,
S_CMD_S_SPI_FREQ = 0x14,
S_CMD_S_PINSTATE = 0x15,
S_CMD_MAGIC_SETTINGS = 0x53
S_CMD_MAGIC_SETTINGS = 0x53
};
enum serprog_response {
S_ACK = 0x06,
S_NAK = 0x15
S_ACK = 0x06,
S_NAK = 0x15
};
#define SERPROG_IFACE_VERSION 0x0001
@ -46,11 +46,11 @@ void sp_spi_op_read(uint32_t read_len, uint8_t* read_data);
void sp_spi_op_end(void);
static inline void sp_spi_op_do(uint32_t write_len, const uint8_t* write_data,
uint32_t read_len, uint8_t* read_data) {
sp_spi_op_begin();
sp_spi_op_write(write_len, write_data);
sp_spi_op_write(read_len, read_data);
sp_spi_op_end();
uint32_t read_len, uint8_t* read_data) {
sp_spi_op_begin();
sp_spi_op_write(write_len, write_data);
sp_spi_op_write(read_len, read_data);
sp_spi_op_end();
}
#endif

66
src/t/tstest.c
View File

@ -14,54 +14,54 @@ static inline int16_t tempsense_dev_get_crit (void) { return 80 << 4; }
#include "../tempsensor.c"
static int do_pkt(uint8_t cmd, bool read, uint16_t addr, uint16_t len, uint8_t* buf) {
int rv;
int rv;
if (cmd & 1) tempsense_do_start();
if (cmd & 1) tempsense_do_start();
if (read) {
rv = tempsense_do_read(len, buf);
} else {
rv = tempsense_do_write(len, buf);
}
if (read) {
rv = tempsense_do_read(len, buf);
} else {
rv = tempsense_do_write(len, buf);
}
if (cmd & 2) tempsense_do_stop();
if (cmd & 2) tempsense_do_stop();
printf("-> %d: %s\n", rv, (rv < 0 || rv != len) ? "nak" : "ack");
printf("-> %d: %s\n", rv, (rv < 0 || rv != len) ? "nak" : "ack");
return rv;
return rv;
}
static void pbuf(size_t len, const uint8_t* buf) {
printf("--> ");
size_t i;
for (i = 0; i < len; ++i) {
printf("%02x ", buf[i]);
if ((i & 0xf) == 0xf) printf("%c", '\n');
}
if ((i & 0xf) != 0x0) printf("%c", '\n');
printf("--> ");
size_t i;
for (i = 0; i < len; ++i) {
printf("%02x ", buf[i]);
if ((i & 0xf) == 0xf) printf("%c", '\n');
}
if ((i & 0xf) != 0x0) printf("%c", '\n');
}
int main(int argc, char* argv[]) {
tempsense_init();
tempsense_init();
tempsense_set_addr(0x18);
tempsense_set_addr(0x18);
// initial probe
uint8_t pk1[1] = {0}; do_pkt(0x05, false, 0x18, 1, pk1);
uint8_t pk2[2]; do_pkt(0x06, true , 0x18, 2, pk2); pbuf(2, pk2);
// initial probe
uint8_t pk1[1] = {0}; do_pkt(0x05, false, 0x18, 1, pk1);
uint8_t pk2[2]; do_pkt(0x06, true , 0x18, 2, pk2); pbuf(2, pk2);
uint8_t pk3[1] = {1}; do_pkt(0x05, false, 0x18, 1, pk3);
uint8_t pk4[2]; do_pkt(0x06, true , 0x18, 2, pk4); pbuf(2, pk4);
uint8_t pk3[1] = {1}; do_pkt(0x05, false, 0x18, 1, pk3);
uint8_t pk4[2]; do_pkt(0x06, true , 0x18, 2, pk4); pbuf(2, pk4);
// sensor data get
// sensor data get
// out 0x05 cmd5
// in 2byte cmd6
// out 0x04 cmd5
// in 2byte cmd6
// out 0x03 cmd5
// in 2byte cmd6
// out 0x02 cmd5
// in 2byte cmd6
// out 0x05 cmd5
// in 2byte cmd6
// out 0x04 cmd5
// in 2byte cmd6
// out 0x03 cmd5
// in 2byte cmd6
// out 0x02 cmd5
// in 2byte cmd6
}

308
src/tempsensor.c
View File

@ -20,204 +20,204 @@ static size_t index;
static bool instartstop, hasreg;
enum regid {
cap = 0,
config,
t_upper,
t_lower,
t_crit,
t_a,
manuf_id,
dev_idrev,
reso
cap = 0,
config,
t_upper,
t_lower,
t_crit,
t_a,
manuf_id,
dev_idrev,
reso
};
#define MANUF_ID 0x0054
#define DEV_IDREV 0x0400
struct {
uint16_t config;
uint16_t t_upper, t_lower, t_crit;
uint8_t reso;
uint16_t config;
uint16_t t_upper, t_lower, t_crit;
uint8_t reso;
} mcp9808;
#define float2fix(x) (int)((x)*(1<<4))
__attribute__((__const__))
inline static int16_t trunc_8fix4(int fix) {
if (fix > 4095) fix = 4095;
if (fix < -4096) fix = -4096;
return fix;
if (fix > 4095) fix = 4095;
if (fix < -4096) fix = -4096;
return fix;
}
void tempsense_init(void) {
active = false;
addr = 0xff;
reg = 0;
index = 0;
instartstop = false;
hasreg = false;
active = false;
addr = 0xff;
reg = 0;
index = 0;
instartstop = false;
hasreg = false;
tempsense_dev_init();
tempsense_dev_init();
mcp9808.t_lower = tempsense_dev_get_lower();
mcp9808.t_upper = tempsense_dev_get_upper();
mcp9808.t_crit = tempsense_dev_get_crit ();
mcp9808.t_lower = tempsense_dev_get_lower();
mcp9808.t_upper = tempsense_dev_get_upper();
mcp9808.t_crit = tempsense_dev_get_crit ();
}
bool tempsense_get_active(void) { return active; }
void tempsense_set_active(bool act) { active = act; if (!act) addr = 0xff; }
uint8_t tempsense_get_addr(void) { return addr; }
void tempsense_set_addr(uint8_t a) {
addr = a;
active = addr >= 0x8 && addr <= 0x77;
printf("set: ad=%02x ac=%c\n", addr, active?'t':'f');
addr = a;
active = addr >= 0x8 && addr <= 0x77;
printf("set: ad=%02x ac=%c\n", addr, active?'t':'f');
}
void tempsense_do_start(void) {
printf("ts start\n");
//reg = 0;
index = 0;
instartstop = true;
hasreg = false;
printf("ts start\n");
//reg = 0;
index = 0;
instartstop = true;
hasreg = false;
}
void tempsense_do_stop(void) {
printf("ts stop\n");
instartstop = false;
printf("ts stop\n");
instartstop = false;
}
int tempsense_do_read(int length, uint8_t* buf) {
printf("read l=%d reg=%02x ", length, reg);
printf("read l=%d reg=%02x ", length, reg);
if (!instartstop || length < 0) return -1; // nak
if (length == 0) return 0; // ack
//if (!hasreg) return -1; // nak
if (!instartstop || length < 0) return -1; // nak
if (length == 0) return 0; // ack
//if (!hasreg) return -1; // nak
int i;
for (i = 0; i < length; ++i, ++index) {
switch (reg) {
// TODO: big or little endian? seems to be big
case cap:
buf[index] = 0;
break;
case config:
if (index == 0) buf[0] = (mcp9808.config >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.config >> 0) & 0xff;
else return index;
break;
case t_upper:
if (index == 0) buf[0] = (mcp9808.t_upper >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_upper >> 0) & 0xff;
else return index;
break;
case t_lower:
if (index == 0) buf[0] = (mcp9808.t_lower >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_lower >> 0) & 0xff;
else return index;
break;
case t_crit:
if (index == 0) buf[0] = (mcp9808.t_crit >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_crit >> 0) & 0xff;
else return index;
break;
case t_a: {
static uint16_t temp;
if (index == 0) {
int16_t res = tempsense_dev_get_temp();
int i;
for (i = 0; i < length; ++i, ++index) {
switch (reg) {
// TODO: big or little endian? seems to be big
case cap:
buf[index] = 0;
break;
case config:
if (index == 0) buf[0] = (mcp9808.config >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.config >> 0) & 0xff;
else return index;
break;
case t_upper:
if (index == 0) buf[0] = (mcp9808.t_upper >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_upper >> 0) & 0xff;
else return index;
break;
case t_lower:
if (index == 0) buf[0] = (mcp9808.t_lower >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_lower >> 0) & 0xff;
else return index;
break;
case t_crit:
if (index == 0) buf[0] = (mcp9808.t_crit >> 8) & 0xff;
else if (index == 1) buf[1] = (mcp9808.t_crit >> 0) & 0xff;
else return index;
break;
case t_a: {
static uint16_t temp;
if (index == 0) {
int16_t res = tempsense_dev_get_temp();
uint32_t tup = mcp9808.t_upper & 0x1ffc;
if (tup & 0x1000) tup |= 0xffffe000; // make negative
uint32_t tlo = mcp9808.t_lower & 0x1ffc;
if (tlo & 0x1000) tlo |= 0xffffe000; // make negative
uint32_t tcr = mcp9808.t_crit & 0x1ffc;
if (tcr & 0x1000) tcr |= 0xffffe000; // make negative
uint32_t tup = mcp9808.t_upper & 0x1ffc;
if (tup & 0x1000) tup |= 0xffffe000; // make negative
uint32_t tlo = mcp9808.t_lower & 0x1ffc;
if (tlo & 0x1000) tlo |= 0xffffe000; // make negative
uint32_t tcr = mcp9808.t_crit & 0x1ffc;
if (tcr & 0x1000) tcr |= 0xffffe000; // make negative
temp = res & 0x1fff; // data bits and sign bit
temp = res & 0x1fff; // data bits and sign bit
if ((int32_t)tlo > res) temp |= 0x2000;
if ((int32_t)tup < res) temp |= 0x4000;
if ((int32_t)tcr < res) temp |= 0x8000;
if ((int32_t)tlo > res) temp |= 0x2000;
if ((int32_t)tup < res) temp |= 0x4000;
if ((int32_t)tcr < res) temp |= 0x8000;
buf[0] = (temp >> 8) & 0xff;
} else if (index == 1) buf[1] = (temp>>0) & 0xff;
else return index;
}
break;
case manuf_id:
if (index == 0) buf[0] = (MANUF_ID >> 8) & 0xff;
else if (index == 1) buf[1] = (MANUF_ID>>0)&0xff;
else return index;
break;
case dev_idrev:
if (index == 0) buf[0] = (DEV_IDREV >> 8) & 0xff;
else if (index == 1) buf[1] = (DEV_IDREV>>0)&0xff;
else return index;
break;
case reso:
if (index == 0) buf[0] = mcp9808.reso;
else return index;
break;
default: return -1;
}
}
buf[0] = (temp >> 8) & 0xff;
} else if (index == 1) buf[1] = (temp>>0) & 0xff;
else return index;
}
break;
case manuf_id:
if (index == 0) buf[0] = (MANUF_ID >> 8) & 0xff;
else if (index == 1) buf[1] = (MANUF_ID>>0)&0xff;
else return index;
break;
case dev_idrev:
if (index == 0) buf[0] = (DEV_IDREV >> 8) & 0xff;
else if (index == 1) buf[1] = (DEV_IDREV>>0)&0xff;
else return index;
break;
case reso:
if (index == 0) buf[0] = mcp9808.reso;
else return index;
break;
default: return -1;
}
}
return i;
return i;
}
int tempsense_do_write(int length, const uint8_t* buf) {
printf("write l=%d reg=%02x iss=%c ", length, reg, instartstop?'t':'f');
printf("write l=%d reg=%02x iss=%c ", length, reg, instartstop?'t':'f');
if (!instartstop || length < 0) return -1; // nak
if (length == 0) return 0; // ack
if (!instartstop || length < 0) return -1; // nak
if (length == 0) return 0; // ack
if (!hasreg) {
printf("get reg %02x ", reg);
if (!hasreg) {
printf("get reg %02x ", reg);
reg = *buf & 0xf;
++buf;
--length;
hasreg = true;
}
reg = *buf & 0xf;
++buf;
--length;
hasreg = true;
}
if (length == 0) return 1; // ack, probably a read following
if (length == 0) return 1; // ack, probably a read following
int i;
for (i = 0; i < length; ++i, ++index) {
switch (reg) {
case config:
if (index == 0) {
mcp9808.config = (mcp9808.config & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.config = (mcp9808.config & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_upper:
if (index == 0) {
mcp9808.t_upper = (mcp9808.t_upper & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_upper = (mcp9808.t_upper & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_lower:
if (index == 0) {
mcp9808.t_lower = (mcp9808.t_lower & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_lower = (mcp9808.t_lower & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_crit:
if (index == 0) {
mcp9808.t_crit = (mcp9808.t_crit & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_crit = (mcp9808.t_crit & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case reso:
mcp9808.reso = buf[index];
break;
default:
printf("unk reg\n");
return -1;
}
}
int i;
for (i = 0; i < length; ++i, ++index) {
switch (reg) {
case config:
if (index == 0) {
mcp9808.config = (mcp9808.config & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.config = (mcp9808.config & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_upper:
if (index == 0) {
mcp9808.t_upper = (mcp9808.t_upper & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_upper = (mcp9808.t_upper & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_lower:
if (index == 0) {
mcp9808.t_lower = (mcp9808.t_lower & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_lower = (mcp9808.t_lower & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case t_crit:
if (index == 0) {
mcp9808.t_crit = (mcp9808.t_crit & 0x00ff) | ((uint16_t)buf[0] << 8);
} else if (index == 1) {
mcp9808.t_crit = (mcp9808.t_crit & 0xff00) | ((uint16_t)buf[1] << 0);
} else return index;
break;
case reso:
mcp9808.reso = buf[index];
break;
default:
printf("unk reg\n");
return -1;
}
}
return i;
return i;
}
#endif

172
src/usb_descriptors.c
View File

@ -45,47 +45,47 @@
// String Descriptor Index
enum {
STRID_LANGID = 0,
STRID_MANUFACTURER,
STRID_PRODUCT,
STRID_SERIAL,
STRID_LANGID = 0,
STRID_MANUFACTURER,
STRID_PRODUCT,
STRID_SERIAL,
STRID_CONFIG,
STRID_CONFIG,
STRID_IF_HID_CMSISDAP,
STRID_IF_VND_I2CTINYUSB,
STRID_IF_CDC_UART,
STRID_IF_CDC_SERPROG,
STRID_IF_CDC_STDIO,
STRID_IF_HID_CMSISDAP,
STRID_IF_VND_I2CTINYUSB,
STRID_IF_CDC_UART,
STRID_IF_CDC_SERPROG,
STRID_IF_CDC_STDIO,
};
//--------------------------------------------------------------------+
// Device Descriptors
//--------------------------------------------------------------------+
tusb_desc_device_t const desc_device = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = 0x0110, // TODO: 0x0200 ?
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = 0x0110, // TODO: 0x0200 ?
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = USB_VID,
.idProduct = USB_PID,
.bcdDevice = USB_BCD,
.idVendor = USB_VID,
.idProduct = USB_PID,
.bcdDevice = USB_BCD,
.iManufacturer = STRID_MANUFACTURER,
.iProduct = STRID_PRODUCT,
.iSerialNumber = STRID_SERIAL,
.iManufacturer = STRID_MANUFACTURER,
.iProduct = STRID_PRODUCT,
.iSerialNumber = STRID_SERIAL,
.bNumConfigurations = 0x01
.bNumConfigurations = 0x01
};
// Invoked when received GET DEVICE DESCRIPTOR
// Application return pointer to descriptor
uint8_t const * tud_descriptor_device_cb(void) {
return (uint8_t const *) &desc_device;
return (uint8_t const *) &desc_device;
}
//--------------------------------------------------------------------+
@ -93,16 +93,16 @@ uint8_t const * tud_descriptor_device_cb(void) {
//--------------------------------------------------------------------+
static uint8_t const desc_hid_report[] = {
TUD_HID_REPORT_DESC_GENERIC_INOUT(CFG_TUD_HID_EP_BUFSIZE)
TUD_HID_REPORT_DESC_GENERIC_INOUT(CFG_TUD_HID_EP_BUFSIZE)
};
// Invoked when received GET HID REPORT DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
uint8_t const * tud_hid_descriptor_report_cb(uint8_t instance) {
(void) instance;
(void) instance;
return desc_hid_report;
return desc_hid_report;
}
//--------------------------------------------------------------------+
@ -111,48 +111,48 @@ uint8_t const * tud_hid_descriptor_report_cb(uint8_t instance) {
enum {
#ifdef DBOARD_HAS_I2C
ITF_NUM_VND_I2CTINYUSB,
ITF_NUM_VND_I2CTINYUSB,
#endif
#ifdef DBOARD_HAS_CMSISDAP
ITF_NUM_HID_CMSISDAP,
ITF_NUM_HID_CMSISDAP,
#endif
#ifdef DBOARD_HAS_UART
ITF_NUM_CDC_UART_COM,
ITF_NUM_CDC_UART_DATA,
ITF_NUM_CDC_UART_COM,
ITF_NUM_CDC_UART_DATA,
#endif
#ifdef DBOARD_HAS_SERPROG
ITF_NUM_CDC_SERPROG_COM,
ITF_NUM_CDC_SERPROG_DATA,
ITF_NUM_CDC_SERPROG_COM,
ITF_NUM_CDC_SERPROG_DATA,
#endif
#ifdef USE_USBCDC_FOR_STDIO
ITF_NUM_CDC_STDIO_COM,
ITF_NUM_CDC_STDIO_DATA,
ITF_NUM_CDC_STDIO_COM,
ITF_NUM_CDC_STDIO_DATA,
#endif
ITF_NUM_TOTAL
ITF_NUM_TOTAL
};
#define TUD_I2CTINYUSB_LEN (9)
#define TUD_I2CTINYUSB_DESCRIPTOR(_itfnum, _stridx) \
9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, 0, 0, 0, _stridx \
9, TUSB_DESC_INTERFACE, _itfnum, 0, 0, 0, 0, 0, _stridx \
enum {
CONFIG_TOTAL_LEN = TUD_CONFIG_DESC_LEN
CONFIG_TOTAL_LEN = TUD_CONFIG_DESC_LEN
#ifdef DBOARD_HAS_I2C
+ TUD_I2CTINYUSB_LEN
+ TUD_I2CTINYUSB_LEN
#endif
#ifdef DBOARD_HAS_UART
+ TUD_CDC_DESC_LEN
+ TUD_CDC_DESC_LEN
#endif
#ifdef DBOARD_HAS_CMSISDAP
+ TUD_HID_INOUT_DESC_LEN
+ TUD_HID_INOUT_DESC_LEN
#endif
#ifdef DBOARD_HAS_SERPROG
+ TUD_CDC_DESC_LEN
+ TUD_CDC_DESC_LEN
#endif
#ifdef USE_USBCDC_FOR_STDIO
+ TUD_CDC_DESC_LEN
+ TUD_CDC_DESC_LEN
#endif
};
@ -170,26 +170,26 @@ enum {
// NOTE: if you modify this table, don't forget to keep tusb_config.h up to date as well!
// TODO: maybe add some strings to all these interfaces
uint8_t const desc_configuration[] = {
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, STRID_CONFIG, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, STRID_CONFIG, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
#ifdef DBOARD_HAS_CMSISDAP
TUD_HID_INOUT_DESCRIPTOR(ITF_NUM_HID_CMSISDAP, STRID_IF_HID_CMSISDAP, 0/*HID_PROTOCOL_NONE*/, sizeof(desc_hid_report), EPNUM_HID_CMSISDAP, 0x80 | (EPNUM_HID_CMSISDAP+0), CFG_TUD_HID_EP_BUFSIZE, 1),
TUD_HID_INOUT_DESCRIPTOR(ITF_NUM_HID_CMSISDAP, STRID_IF_HID_CMSISDAP, 0/*HID_PROTOCOL_NONE*/, sizeof(desc_hid_report), EPNUM_HID_CMSISDAP, 0x80 | (EPNUM_HID_CMSISDAP+0), CFG_TUD_HID_EP_BUFSIZE, 1),
#endif
#ifdef DBOARD_HAS_I2C
TUD_I2CTINYUSB_DESCRIPTOR(ITF_NUM_VND_I2CTINYUSB, STRID_IF_VND_I2CTINYUSB),
TUD_I2CTINYUSB_DESCRIPTOR(ITF_NUM_VND_I2CTINYUSB, STRID_IF_VND_I2CTINYUSB),
#endif
#ifdef DBOARD_HAS_UART
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_UART_COM, STRID_IF_CDC_UART, EPNUM_CDC_UART_NOTIF, 64, EPNUM_CDC_UART_OUT, EPNUM_CDC_UART_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_UART_COM, STRID_IF_CDC_UART, EPNUM_CDC_UART_NOTIF, 64, EPNUM_CDC_UART_OUT, EPNUM_CDC_UART_IN, 64),
#endif
#ifdef DBOARD_HAS_SERPROG
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_SERPROG_COM, STRID_IF_CDC_SERPROG, EPNUM_CDC_SERPROG_NOTIF, 64, EPNUM_CDC_SERPROG_OUT, EPNUM_CDC_SERPROG_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_SERPROG_COM, STRID_IF_CDC_SERPROG, EPNUM_CDC_SERPROG_NOTIF, 64, EPNUM_CDC_SERPROG_OUT, EPNUM_CDC_SERPROG_IN, 64),
#endif
#ifdef USE_USBCDC_FOR_STDIO
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_STDIO_COM, STRID_IF_CDC_STDIO, EPNUM_CDC_STDIO_NOTIF, 64, EPNUM_CDC_STDIO_OUT, EPNUM_CDC_STDIO_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_STDIO_COM, STRID_IF_CDC_STDIO, EPNUM_CDC_STDIO_NOTIF, 64, EPNUM_CDC_STDIO_OUT, EPNUM_CDC_STDIO_IN, 64),
#endif
};
@ -197,8 +197,8 @@ uint8_t const desc_configuration[] = {
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
(void) index; // for multiple configurations
return desc_configuration;
(void) index; // for multiple configurations
return desc_configuration;
}
//--------------------------------------------------------------------+
@ -207,54 +207,54 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
// array of pointer to string descriptors
char const* string_desc_arr [] = {
[STRID_LANGID] = (const char[]) { 0x09, 0x04 }, // supported language is English (0x0409)
[STRID_MANUFACTURER] = INFO_MANUFACTURER, // Manufacturer
[STRID_PRODUCT] = INFO_PRODUCT(INFO_BOARDNAME), // Product
[STRID_LANGID] = (const char[]) { 0x09, 0x04 }, // supported language is English (0x0409)
[STRID_MANUFACTURER] = INFO_MANUFACTURER, // Manufacturer
[STRID_PRODUCT] = INFO_PRODUCT(INFO_BOARDNAME), // Product
[STRID_CONFIG] = "Configuration descriptor",
// max string length check: |||||||||||||||||||||||||||||||
[STRID_IF_HID_CMSISDAP] = "CMSIS-DAP HID interface",
[STRID_IF_VND_I2CTINYUSB] = "I2C-Tiny-USB interface",
[STRID_IF_CDC_UART] = "UART CDC interface",
[STRID_IF_CDC_SERPROG] = "Serprog CDC interface",
[STRID_IF_CDC_STDIO] = "stdio CDC interface (debug)",
[STRID_CONFIG] = "Configuration descriptor",
// max string length check: |||||||||||||||||||||||||||||||
[STRID_IF_HID_CMSISDAP] = "CMSIS-DAP HID interface",
[STRID_IF_VND_I2CTINYUSB] = "I2C-Tiny-USB interface",
[STRID_IF_CDC_UART] = "UART CDC interface",
[STRID_IF_CDC_SERPROG] = "Serprog CDC interface",
[STRID_IF_CDC_STDIO] = "stdio CDC interface (debug)",
};
// Invoked when received GET STRING DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
static uint16_t _desc_str[32];
static uint16_t _desc_str[32];
(void) langid;
(void) langid;
uint8_t chr_count = 0;
uint8_t chr_count = 0;
if (STRID_LANGID == index) {
memcpy(&_desc_str[1], string_desc_arr[STRID_LANGID], 2);
chr_count = 1;
} else if (STRID_SERIAL == index) {
chr_count = get_unique_id_u16(_desc_str + 1);
} else {
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
if (STRID_LANGID == index) {
memcpy(&_desc_str[1], string_desc_arr[STRID_LANGID], 2);
chr_count = 1;
} else if (STRID_SERIAL == index) {
chr_count = get_unique_id_u16(_desc_str + 1);
} else {
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
if (!(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])))
return NULL;
if (!(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])))
return NULL;
const char* str = string_desc_arr[index];
const char* str = string_desc_arr[index];
// Cap at max char
chr_count = TU_MIN(strlen(str), 31);
// Cap at max char
chr_count = TU_MIN(strlen(str), 31);
// Convert ASCII string into UTF-16
for (int i = 0; i < chr_count; i++) {
_desc_str[1+i] = str[i];
}
}
// Convert ASCII string into UTF-16
for (int i = 0; i < chr_count; i++) {
_desc_str[1+i] = str[i];
}
}
// first byte is length (including header), second byte is string type
_desc_str[0] = (TUSB_DESC_STRING << 8) | (2*chr_count + 2);
// first byte is length (including header), second byte is string type
_desc_str[0] = (TUSB_DESC_STRING << 8) | (2*chr_count + 2);
return _desc_str;
return _desc_str;
}

4
src/util.h
View File

@ -3,8 +3,8 @@
#define UTIL_H_
static inline char nyb2hex(int x) {
if (x < 0xa) return '0'+(x-0);
else return 'A'+(x-0xa);
if (x < 0xa) return '0'+(x-0);
else return 'A'+(x-0xa);
}
void thread_yield(void);

300
src/vnd_i2ctinyusb.c
View File

@ -28,214 +28,214 @@ static uint8_t rxbuf[128];
static uint8_t txbuf[128];
static void iub_init(void) {
status = ITU_STATUS_IDLE;
memset(&curcmd, 0, sizeof curcmd);
status = ITU_STATUS_IDLE;
memset(&curcmd, 0, sizeof curcmd);
i2ctu_init();
i2ctu_init();
#ifdef DBOARD_HAS_TEMPSENSOR
tempsense_init();
tempsense_init();
#endif
}
static void iub_reset(uint8_t rhport) {
status = ITU_STATUS_IDLE;
memset(&curcmd, 0, sizeof curcmd);
status = ITU_STATUS_IDLE;
memset(&curcmd, 0, sizeof curcmd);
i2ctu_init();
i2ctu_init();
#ifdef DBOARD_HAS_TEMPSENSOR
tempsense_init();
tempsense_init();
#endif
itf_num = 0;
itf_num = 0;
}
static uint16_t iub_open(uint8_t rhport, tusb_desc_interface_t const* itf_desc,
uint16_t max_len) {
TU_VERIFY(itf_desc->bInterfaceClass == 0
&& itf_desc->bInterfaceSubClass == 0
&& itf_desc->bInterfaceProtocol == 0, 0);
uint16_t max_len) {
TU_VERIFY(itf_desc->bInterfaceClass == 0
&& itf_desc->bInterfaceSubClass == 0
&& itf_desc->bInterfaceProtocol == 0, 0);
const uint16_t drv_len = sizeof(tusb_desc_interface_t);
TU_VERIFY(max_len >= drv_len, 0);
const uint16_t drv_len = sizeof(tusb_desc_interface_t);
TU_VERIFY(max_len >= drv_len, 0);
itf_num = itf_desc->bInterfaceNumber;
itf_num = itf_desc->bInterfaceNumber;
return drv_len;
return drv_len;
}
static bool iub_ctl_req(uint8_t rhport, uint8_t stage, tusb_control_request_t const* req) {
/*static char* stages[]={"SETUP","DATA","ACK"};
static char* types[]={"STD","CLS","VND","INV"};
/*static char* stages[]={"SETUP","DATA","ACK"};
static char* types[]={"STD","CLS","VND","INV"};
printf("ctl req stage=%s rt=%s, wIndex=%04x, bReq=%02x, wValue=%04x wLength=%04x\n",
stages[stage], types[req->bmRequestType_bit.type],
req->wIndex, req->bRequest, req->wValue, req->wLength);*/
printf("ctl req stage=%s rt=%s, wIndex=%04x, bReq=%02x, wValue=%04x wLength=%04x\n",
stages[stage], types[req->bmRequestType_bit.type],
req->wIndex, req->bRequest, req->wValue, req->wLength);*/
if (req->bmRequestType_bit.type != TUSB_REQ_TYPE_VENDOR) return true;
if (req->bmRequestType_bit.type != TUSB_REQ_TYPE_VENDOR) return true;
if (stage == CONTROL_STAGE_DATA) {
struct itu_cmd cmd = curcmd;
if (stage == CONTROL_STAGE_DATA) {
struct itu_cmd cmd = curcmd;
if (req->bRequest >= ITU_CMD_I2C_IO && req->bRequest <= ITU_CMD_I2C_IO_BEGINEND
&& cmd.cmd == req->bRequest && cmd.flags == req->wValue
&& cmd.addr == req->wIndex && cmd.len == req->wLength) {
//printf("WDATA a=%04hx l=%04hx ", cmd.addr, cmd.len);
if (req->bRequest >= ITU_CMD_I2C_IO && req->bRequest <= ITU_CMD_I2C_IO_BEGINEND
&& cmd.cmd == req->bRequest && cmd.flags == req->wValue
&& cmd.addr == req->wIndex && cmd.len == req->wLength) {
//printf("WDATA a=%04hx l=%04hx ", cmd.addr, cmd.len);
//printf("data=%02x %02x...\n", rxbuf[0], rxbuf[1]);
//printf("data=%02x %02x...\n", rxbuf[0], rxbuf[1]);
#ifdef DBOARD_HAS_TEMPSENSOR
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
// FIXME: fix status handling
int rv = tempsense_do_write(cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len, rxbuf);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
// FIXME: fix status handling
int rv = tempsense_do_write(cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len, rxbuf);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
#endif
{
status = i2ctu_write(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, rxbuf, cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len);
}
{
status = i2ctu_write(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, rxbuf, cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len);
}
// cancel curcmd
curcmd.cmd = 0xff;
}
return true;
} else if (stage == CONTROL_STAGE_SETUP) {
switch (req->bRequest) {
case ITU_CMD_ECHO: { // flags to be echoed back, addr unused, len=2
if (req->wLength != 2) return false; // bad length -> let's stall
// cancel curcmd
curcmd.cmd = 0xff;
}
return true;
} else if (stage == CONTROL_STAGE_SETUP) {
switch (req->bRequest) {
case ITU_CMD_ECHO: { // flags to be echoed back, addr unused, len=2
if (req->wLength != 2) return false; // bad length -> let's stall
uint8_t rv[2];
rv[0] = req->wValue&0xff;
rv[1] = (req->wValue>>8)&0xff;
return tud_control_xfer(rhport, req, rv, sizeof rv);
}
break;
case ITU_CMD_GET_FUNC: { // flags unused, addr unused, len=4
if (req->wLength != 4) return false;
uint8_t rv[2];
rv[0] = req->wValue&0xff;
rv[1] = (req->wValue>>8)&0xff;
return tud_control_xfer(rhport, req, rv, sizeof rv);
}
break;
case ITU_CMD_GET_FUNC: { // flags unused, addr unused, len=4
if (req->wLength != 4) return false;
const uint32_t func = i2ctu_get_func();
txbuf[0]=func&0xff;
txbuf[1]=(func>>8)&0xff;
txbuf[2]=(func>>16)&0xff;
txbuf[3]=(func>>24)&0xff;
return tud_control_xfer(rhport, req, txbuf, 4);
}
break;
case ITU_CMD_SET_DELAY: { // flags=delay, addr unused, len=0
if (req->wLength != 0) return false;
const uint32_t func = i2ctu_get_func();
txbuf[0]=func&0xff;
txbuf[1]=(func>>8)&0xff;
txbuf[2]=(func>>16)&0xff;
txbuf[3]=(func>>24)&0xff;
return tud_control_xfer(rhport, req, txbuf, 4);
}
break;
case ITU_CMD_SET_DELAY: { // flags=delay, addr unused, len=0
if (req->wLength != 0) return false;
uint32_t us = req->wValue ? req->wValue : 1;
uint32_t freq = 1000*1000 / us;
uint32_t us = req->wValue ? req->wValue : 1;
uint32_t freq = 1000*1000 / us;
//printf("set freq us=%u freq=%u\n", us, freq);
if (i2ctu_set_freq(freq, us) != 0) // returned an ok frequency
return tud_control_status(rhport, req);
else return false;
}
break;
case ITU_CMD_GET_STATUS: { // flags unused, addr unused, len=1
if (req->wLength != 1) return false;
//printf("set freq us=%u freq=%u\n", us, freq);
if (i2ctu_set_freq(freq, us) != 0) // returned an ok frequency
return tud_control_status(rhport, req);
else return false;
}
break;
case ITU_CMD_GET_STATUS: { // flags unused, addr unused, len=1
if (req->wLength != 1) return false;
uint8_t rv = status;
return tud_control_xfer(rhport, req, &rv, 1);
}
break;
uint8_t rv = status;
return tud_control_xfer(rhport, req, &rv, 1);
}
break;
case ITU_CMD_I2C_IO: // flags: ki2c_flags
case ITU_CMD_I2C_IO_BEGIN: // addr: I2C address
case ITU_CMD_I2C_IO_END: // len: transfer size
case ITU_CMD_I2C_IO_BEGINEND: { // (transfer dir is in flags)
struct itu_cmd cmd;
cmd.flags = req->wValue;
cmd.addr = req->wIndex;
cmd.len = req->wLength;
cmd.cmd = req->bRequest;
case ITU_CMD_I2C_IO: // flags: ki2c_flags
case ITU_CMD_I2C_IO_BEGIN: // addr: I2C address
case ITU_CMD_I2C_IO_END: // len: transfer size
case ITU_CMD_I2C_IO_BEGINEND: { // (transfer dir is in flags)
struct itu_cmd cmd;
cmd.flags = req->wValue;
cmd.addr = req->wIndex;
cmd.len = req->wLength;
cmd.cmd = req->bRequest;
if (cmd.flags & I2C_M_RD) { // read from I2C device
//printf("read addr=%04hx len=%04hx ", cmd.addr, cmd.len);
if (cmd.flags & I2C_M_RD) { // read from I2C device
//printf("read addr=%04hx len=%04hx ", cmd.addr, cmd.len);
#ifdef DBOARD_HAS_TEMPSENSOR
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
int rv = tempsense_do_read(cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len, txbuf);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
int rv = tempsense_do_read(cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len, txbuf);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
#endif
{
status = i2ctu_read(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, txbuf, cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len);
}
//printf("data=%02x %02x...\n", txbuf[0], txbuf[1]);
return tud_control_xfer(rhport, req, txbuf,
cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len);
} else { // write
//printf("write addr=%04hx len=%04hx ", cmd.addr, cmd.len);
if (cmd.len == 0) { // address probe -> do this here
uint8_t bleh = 0;
{
status = i2ctu_read(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, txbuf, cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len);
}
//printf("data=%02x %02x...\n", txbuf[0], txbuf[1]);
return tud_control_xfer(rhport, req, txbuf,
cmd.len > sizeof txbuf ? sizeof txbuf : cmd.len);
} else { // write
//printf("write addr=%04hx len=%04hx ", cmd.addr, cmd.len);
if (cmd.len == 0) { // address probe -> do this here
uint8_t bleh = 0;
#ifdef DBOARD_HAS_TEMPSENSOR
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
int rv = tempsense_do_write(0, &bleh);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
if (tempsense_get_active() && tempsense_get_addr() == cmd.addr) {
if (cmd.cmd & ITU_CMD_I2C_IO_BEGIN_F) tempsense_do_start();
int rv = tempsense_do_write(0, &bleh);
if (rv < 0 || rv != cmd.len) status = ITU_STATUS_ADDR_NAK;
else status = ITU_STATUS_ADDR_ACK;
if (cmd.cmd & ITU_CMD_I2C_IO_END_F ) tempsense_do_stop ();
} else
#endif
{
status = i2ctu_write(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, &bleh, 0);
}
//printf("probe -> %d\n", status);
return tud_control_status(rhport, req);
} else {
// handled in DATA stage!
curcmd = cmd;
bool rv = tud_control_xfer(rhport, req, rxbuf,
cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len);
return rv;
}
}
}
break;
default:
//printf("I2C-Tiny-USB: unknown command %02x\n", req->bRequest);
return false;
}
} else return true; // other stage...
{
status = i2ctu_write(cmd.flags, cmd.cmd & ITU_CMD_I2C_IO_DIR_MASK,
cmd.addr, &bleh, 0);
}
//printf("probe -> %d\n", status);
return tud_control_status(rhport, req);
} else {
// handled in DATA stage!
curcmd = cmd;
bool rv = tud_control_xfer(rhport, req, rxbuf,
cmd.len > sizeof rxbuf ? sizeof rxbuf : cmd.len);
return rv;
}
}
}
break;
default:
//printf("I2C-Tiny-USB: unknown command %02x\n", req->bRequest);
return false;
}
} else return true; // other stage...
}
// never actually called fsr
static bool iub_xfer(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
return true;
return true;
}
// interfacing stuff for TinyUSB API, actually defines the driver
static usbd_class_driver_t const i2ctinyusb_driver = {
#if CFG_TUSB_DEBUG >= 2
.name = "i2c-tiny-usb",
.name = "i2c-tiny-usb",
#endif
.init = iub_init,
.reset = iub_reset,
.open = iub_open,
.control_xfer_cb = iub_ctl_req,
.xfer_cb = iub_xfer,
.sof = NULL
.init = iub_init,
.reset = iub_reset,
.open = iub_open,
.control_xfer_cb = iub_ctl_req,
.xfer_cb = iub_xfer,
.sof = NULL
};
usbd_class_driver_t const* usbd_app_driver_get_cb(uint8_t* driver_count) {
*driver_count = 1;
return &i2ctinyusb_driver;
*driver_count = 1;
return &i2ctinyusb_driver;
}
// we need to implement this one, because tinyusb uses hardcoded stuff for
// endpoint 0, which is what the i2c-tiny-usb kernel module uses
bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_control_request_t const* req) {
return iub_ctl_req(rhport, ep_addr, req);
return iub_ctl_req(rhport, ep_addr, req);
}
#endif /* DBOARD_HAS_I2C */