f4discovery: Create a platforms directory for the F4 on the F4 Discovery board
This commit is contained in:
Uwe Bonnes
parent
15d7077115
commit
7e91f68efa
|
|
@ -0,0 +1,36 @@
|
|||
CROSS_COMPILE ?= arm-none-eabi-
|
||||
CC = $(CROSS_COMPILE)gcc
|
||||
OBJCOPY = $(CROSS_COMPILE)objcopy
|
||||
|
||||
CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb \
|
||||
-DSTM32F1 -DBLACKMAGIC -I../libopencm3/include
|
||||
|
||||
LDFLAGS_BOOT = -lopencm3_stm32f1 -Wl,--defsym,_stack=0x20005000 \
|
||||
-Wl,-T,platforms/stm32/blackmagic.ld -nostartfiles -lc -lnosys \
|
||||
-Wl,-Map=mapfile -mthumb -mcpu=cortex-m3 -Wl,-gc-sections \
|
||||
-L../libopencm3/lib
|
||||
LDFLAGS = $(LDFLAGS_BOOT) -Wl,-Ttext=0x8002000
|
||||
|
||||
VPATH += platforms/stm32
|
||||
|
||||
SRC += cdcacm.c \
|
||||
platform.c \
|
||||
traceswo.c \
|
||||
usbuart.c \
|
||||
|
||||
all: blackmagic.bin blackmagic_dfu.bin blackmagic_dfu.hex
|
||||
|
||||
blackmagic.bin: blackmagic
|
||||
$(OBJCOPY) -O binary $^ $@
|
||||
|
||||
blackmagic_dfu: usbdfu.o
|
||||
$(CC) $^ -o $@ $(LDFLAGS_BOOT)
|
||||
|
||||
blackmagic_dfu.bin: blackmagic_dfu
|
||||
$(OBJCOPY) -O binary $^ $@
|
||||
|
||||
blackmagic_dfu.hex: blackmagic_dfu
|
||||
$(OBJCOPY) -O ihex $^ $@
|
||||
|
||||
host_clean:
|
||||
-rm blackmagic.bin blackmagic_dfu blackmagic_dfu.bin blackmagic_dfu.hex
|
||||
|
|
@ -0,0 +1,306 @@
|
|||
/*
|
||||
* This file is part of the Black Magic Debug project.
|
||||
*
|
||||
* Copyright (C) 2011 Black Sphere Technologies Ltd.
|
||||
* Written by Gareth McMullin <gareth@blacksphere.co.nz>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* This file implements the platform specific functions for the STM32
|
||||
* implementation.
|
||||
*/
|
||||
|
||||
#include <libopencm3/stm32/f1/rcc.h>
|
||||
#include <libopencm3/cm3/systick.h>
|
||||
#include <libopencm3/cm3/scb.h>
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
#include <libopencm3/stm32/exti.h>
|
||||
#include <libopencm3/stm32/usart.h>
|
||||
#include <libopencm3/usb/usbd.h>
|
||||
#include <libopencm3/stm32/f1/adc.h>
|
||||
|
||||
#include "platform.h"
|
||||
#include "jtag_scan.h"
|
||||
#include <usbuart.h>
|
||||
|
||||
#include <ctype.h>
|
||||
|
||||
uint8_t running_status;
|
||||
volatile uint32_t timeout_counter;
|
||||
|
||||
jmp_buf fatal_error_jmpbuf;
|
||||
|
||||
static void morse_update(void);
|
||||
|
||||
static void adc_init(void);
|
||||
|
||||
/* Pins PB[7:5] are used to detect hardware revision.
|
||||
* 000 - Original production build.
|
||||
* 001 - Mini production build.
|
||||
*/
|
||||
int platform_hwversion(void)
|
||||
{
|
||||
static int hwversion = -1;
|
||||
if (hwversion == -1) {
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
|
||||
GPIO_CNF_INPUT_PULL_UPDOWN,
|
||||
GPIO7 | GPIO6 | GPIO5);
|
||||
gpio_clear(GPIOB, GPIO7 | GPIO6 | GPIO5);
|
||||
hwversion = gpio_get(GPIOB, GPIO7 | GPIO6 | GPIO5) >> 5;
|
||||
}
|
||||
return hwversion;
|
||||
}
|
||||
|
||||
int platform_init(void)
|
||||
{
|
||||
rcc_clock_setup_in_hse_8mhz_out_72mhz();
|
||||
|
||||
/* Enable peripherals */
|
||||
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
|
||||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
|
||||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
|
||||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
|
||||
|
||||
/* Setup GPIO ports */
|
||||
gpio_clear(USB_PU_PORT, USB_PU_PIN);
|
||||
gpio_set_mode(USB_PU_PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT,
|
||||
USB_PU_PIN);
|
||||
|
||||
gpio_set_mode(JTAG_PORT, GPIO_MODE_OUTPUT_50_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL,
|
||||
TMS_PIN | TCK_PIN | TDI_PIN);
|
||||
|
||||
/* This needs some fixing... */
|
||||
/* Toggle required to sort out line drivers... */
|
||||
gpio_port_write(GPIOA, 0x8100);
|
||||
gpio_port_write(GPIOB, 0x2000);
|
||||
|
||||
gpio_port_write(GPIOA, 0x8180);
|
||||
gpio_port_write(GPIOB, 0x2002);
|
||||
|
||||
gpio_set_mode(LED_PORT, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL,
|
||||
LED_UART | LED_IDLE_RUN | LED_ERROR);
|
||||
|
||||
/* FIXME: This pin in intended to be input, but the TXS0108 fails
|
||||
* to release the device from reset if this floats. */
|
||||
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
|
||||
|
||||
/* Setup heartbeat timer */
|
||||
systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
|
||||
systick_set_reload(900000); /* Interrupt us at 10 Hz */
|
||||
SCB_SHPR(11) &= ~((15 << 4) & 0xff);
|
||||
SCB_SHPR(11) |= ((14 << 4) & 0xff);
|
||||
systick_interrupt_enable();
|
||||
systick_counter_enable();
|
||||
|
||||
usbuart_init();
|
||||
|
||||
if (platform_hwversion() > 0) {
|
||||
adc_init();
|
||||
} else {
|
||||
gpio_clear(GPIOB, GPIO0);
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
|
||||
GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0);
|
||||
}
|
||||
|
||||
SCB_VTOR = 0x2000; // Relocate interrupt vector table here
|
||||
|
||||
cdcacm_init();
|
||||
|
||||
jtag_scan(NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void platform_delay(uint32_t delay)
|
||||
{
|
||||
timeout_counter = delay;
|
||||
while(timeout_counter);
|
||||
}
|
||||
|
||||
void sys_tick_handler(void)
|
||||
{
|
||||
if(running_status)
|
||||
gpio_toggle(LED_PORT, LED_IDLE_RUN);
|
||||
|
||||
if(timeout_counter)
|
||||
timeout_counter--;
|
||||
|
||||
morse_update();
|
||||
}
|
||||
|
||||
|
||||
/* Morse code patterns and lengths */
|
||||
static const struct {
|
||||
uint16_t code;
|
||||
uint8_t bits;
|
||||
} morse_letter[] = {
|
||||
{ 0b00011101, 8}, // 'A' .-
|
||||
{ 0b000101010111, 12}, // 'B' -...
|
||||
{ 0b00010111010111, 14}, // 'C' -.-.
|
||||
{ 0b0001010111, 10}, // 'D' -..
|
||||
{ 0b0001, 4}, // 'E' .
|
||||
{ 0b000101110101, 12}, // 'F' ..-.
|
||||
{ 0b000101110111, 12}, // 'G' --.
|
||||
{ 0b0001010101, 10}, // 'H' ....
|
||||
{ 0b000101, 6}, // 'I' ..
|
||||
{0b0001110111011101, 16}, // 'J' .---
|
||||
{ 0b000111010111, 12}, // 'K' -.-
|
||||
{ 0b000101011101, 12}, // 'L' .-..
|
||||
{ 0b0001110111, 10}, // 'M' --
|
||||
{ 0b00010111, 8}, // 'N' -.
|
||||
{ 0b00011101110111, 14}, // 'O' ---
|
||||
{ 0b00010111011101, 14}, // 'P' .--.
|
||||
{0b0001110101110111, 16}, // 'Q' --.-
|
||||
{ 0b0001011101, 10}, // 'R' .-.
|
||||
{ 0b00010101, 8}, // 'S' ...
|
||||
{ 0b000111, 6}, // 'T' -
|
||||
{ 0b0001110101, 10}, // 'U' ..-
|
||||
{ 0b000111010101, 12}, // 'V' ...-
|
||||
{ 0b000111011101, 12}, // 'W' .--
|
||||
{ 0b00011101010111, 14}, // 'X' -..-
|
||||
{0b0001110111010111, 16}, // 'Y' -.--
|
||||
{ 0b00010101110111, 14}, // 'Z' --..
|
||||
};
|
||||
|
||||
|
||||
const char *morse_msg;
|
||||
static const char * volatile morse_ptr;
|
||||
static char morse_repeat;
|
||||
|
||||
void morse(const char *msg, char repeat)
|
||||
{
|
||||
morse_msg = morse_ptr = msg;
|
||||
morse_repeat = repeat;
|
||||
SET_ERROR_STATE(0);
|
||||
}
|
||||
|
||||
static void morse_update(void)
|
||||
{
|
||||
static uint16_t code;
|
||||
static uint8_t bits;
|
||||
|
||||
if(!morse_ptr) return;
|
||||
|
||||
if(!bits) {
|
||||
char c = *morse_ptr++;
|
||||
if(!c) {
|
||||
if(morse_repeat) {
|
||||
morse_ptr = morse_msg;
|
||||
c = *morse_ptr++;
|
||||
} else {
|
||||
morse_ptr = 0;
|
||||
return;
|
||||
}
|
||||
}
|
||||
if((c >= 'A') && (c <= 'Z')) {
|
||||
c -= 'A';
|
||||
code = morse_letter[c].code;
|
||||
bits = morse_letter[c].bits;
|
||||
} else {
|
||||
code = 0; bits = 4;
|
||||
}
|
||||
}
|
||||
SET_ERROR_STATE(code & 1);
|
||||
code >>= 1; bits--;
|
||||
}
|
||||
|
||||
static void adc_init(void)
|
||||
{
|
||||
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_ADC1EN);
|
||||
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
|
||||
GPIO_CNF_INPUT_ANALOG, GPIO0);
|
||||
|
||||
adc_off(ADC1);
|
||||
adc_disable_scan_mode(ADC1);
|
||||
adc_set_single_conversion_mode(ADC1);
|
||||
adc_disable_external_trigger_regular(ADC1);
|
||||
adc_set_right_aligned(ADC1);
|
||||
adc_set_conversion_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
|
||||
|
||||
adc_power_on(ADC1);
|
||||
|
||||
/* Wait for ADC starting up. */
|
||||
for (int i = 0; i < 800000; i++) /* Wait a bit. */
|
||||
__asm__("nop");
|
||||
|
||||
adc_reset_calibration(ADC1);
|
||||
adc_calibration(ADC1);
|
||||
}
|
||||
|
||||
const char *platform_target_voltage(void)
|
||||
{
|
||||
if (platform_hwversion() == 0)
|
||||
return gpio_get(GPIOB, GPIO0) ? "OK" : "ABSENT!";
|
||||
|
||||
static char ret[] = "0.0V";
|
||||
const u8 channel = 8;
|
||||
adc_set_regular_sequence(ADC1, 1, (u8*)&channel);
|
||||
|
||||
adc_on(ADC1);
|
||||
|
||||
/* Wait for end of conversion. */
|
||||
while (!(ADC_SR(ADC1) & ADC_SR_EOC));
|
||||
|
||||
u32 val = ADC_DR(ADC1) * 99; /* 0-4095 */
|
||||
ret[0] = '0' + val / 81910;
|
||||
ret[2] = '0' + (val / 8191) % 10;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void assert_boot_pin(void)
|
||||
{
|
||||
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
|
||||
gpio_clear(GPIOB, GPIO12);
|
||||
}
|
||||
|
||||
void exti15_10_isr(void)
|
||||
{
|
||||
if (gpio_get(USB_VBUS_PORT, USB_VBUS_PIN)) {
|
||||
/* Drive pull-up high if VBUS connected */
|
||||
gpio_set_mode(USB_PU_PORT, GPIO_MODE_OUTPUT_10_MHZ,
|
||||
GPIO_CNF_OUTPUT_PUSHPULL, USB_PU_PIN);
|
||||
} else {
|
||||
/* Allow pull-up to float if VBUS disconnected */
|
||||
gpio_set_mode(USB_PU_PORT, GPIO_MODE_INPUT,
|
||||
GPIO_CNF_INPUT_FLOAT, USB_PU_PIN);
|
||||
}
|
||||
|
||||
exti_reset_request(USB_VBUS_PIN);
|
||||
}
|
||||
|
||||
void setup_vbus_irq(void)
|
||||
{
|
||||
nvic_set_priority(USB_VBUS_IRQ, IRQ_PRI_USB_VBUS);
|
||||
nvic_enable_irq(USB_VBUS_IRQ);
|
||||
|
||||
gpio_set(USB_VBUS_PORT, USB_VBUS_PIN);
|
||||
gpio_set(USB_PU_PORT, USB_PU_PIN);
|
||||
|
||||
gpio_set_mode(USB_VBUS_PORT, GPIO_MODE_INPUT,
|
||||
GPIO_CNF_INPUT_PULL_UPDOWN, USB_VBUS_PIN);
|
||||
|
||||
/* Configure EXTI for USB VBUS monitor */
|
||||
exti_select_source(USB_VBUS_PIN, USB_VBUS_PORT);
|
||||
exti_set_trigger(USB_VBUS_PIN, EXTI_TRIGGER_BOTH);
|
||||
exti_enable_request(USB_VBUS_PIN);
|
||||
|
||||
exti15_10_isr();
|
||||
}
|
||||
|
|
@ -0,0 +1,198 @@
|
|||
/*
|
||||
* This file is part of the Black Magic Debug project.
|
||||
*
|
||||
* Copyright (C) 2011 Black Sphere Technologies Ltd.
|
||||
* Written by Gareth McMullin <gareth@blacksphere.co.nz>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* This file implements the platform specific functions for the STM32
|
||||
* implementation.
|
||||
*/
|
||||
#ifndef __PLATFORM_H
|
||||
#define __PLATFORM_H
|
||||
|
||||
#include <libopencm3/stm32/f1/gpio.h>
|
||||
#include <libopencm3/usb/usbd.h>
|
||||
|
||||
#include <setjmp.h>
|
||||
#include <alloca.h>
|
||||
|
||||
#include "gdb_packet.h"
|
||||
|
||||
#define INLINE_GPIO
|
||||
#define CDCACM_PACKET_SIZE 64
|
||||
#define PLATFORM_HAS_TRACESWO
|
||||
|
||||
extern usbd_device *usbdev;
|
||||
#define CDCACM_GDB_ENDPOINT 1
|
||||
#define CDCACM_UART_ENDPOINT 3
|
||||
|
||||
/* Important pin mappings for STM32 implementation:
|
||||
*
|
||||
* LED0 = PB2 (Yellow LED : Running)
|
||||
* LED1 = PB10 (Yellow LED : Idle)
|
||||
* LED2 = PB11 (Red LED : Error)
|
||||
*
|
||||
* TPWR = RB0 (input) -- analogue on mini design ADC1, ch8
|
||||
* nTRST = PB1
|
||||
* SRST_OUT = PA2
|
||||
* TDI = PA3
|
||||
* TMS = PA4 (input for SWDP)
|
||||
* TCK = PA5
|
||||
* TDO = PA6 (input)
|
||||
* nSRST = PA7 (input)
|
||||
*
|
||||
* USB cable pull-up: PA8
|
||||
* USB VBUS detect: PB13 -- New on mini design.
|
||||
* Enable pull up for compatibility.
|
||||
* Force DFU mode button: PB12
|
||||
*/
|
||||
|
||||
/* Hardware definitions... */
|
||||
#define JTAG_PORT GPIOA
|
||||
#define TDI_PORT JTAG_PORT
|
||||
#define TMS_PORT JTAG_PORT
|
||||
#define TCK_PORT JTAG_PORT
|
||||
#define TDO_PORT JTAG_PORT
|
||||
#define TDI_PIN GPIO3
|
||||
#define TMS_PIN GPIO4
|
||||
#define TCK_PIN GPIO5
|
||||
#define TDO_PIN GPIO6
|
||||
|
||||
#define SWDIO_PORT JTAG_PORT
|
||||
#define SWCLK_PORT JTAG_PORT
|
||||
#define SWDIO_PIN TMS_PIN
|
||||
#define SWCLK_PIN TCK_PIN
|
||||
|
||||
#define TRST_PORT GPIOB
|
||||
#define TRST_PIN GPIO1
|
||||
#define SRST_PORT GPIOA
|
||||
#define SRST_PIN GPIO2
|
||||
|
||||
#define USB_PU_PORT GPIOA
|
||||
#define USB_PU_PIN GPIO8
|
||||
|
||||
#define USB_VBUS_PORT GPIOB
|
||||
#define USB_VBUS_PIN GPIO13
|
||||
#define USB_VBUS_IRQ NVIC_EXTI15_10_IRQ
|
||||
|
||||
#define LED_PORT GPIOB
|
||||
#define LED_PORT_UART GPIOB
|
||||
#define LED_UART GPIO2
|
||||
#define LED_IDLE_RUN GPIO10
|
||||
#define LED_ERROR GPIO11
|
||||
|
||||
#define USB_DRIVER stm32f103_usb_driver
|
||||
#define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ
|
||||
#define USB_ISR usb_lp_can_rx0_isr
|
||||
/* Interrupt priorities. Low numbers are high priority.
|
||||
* For now USART1 preempts USB which may spin while buffer is drained.
|
||||
* TIM3 is used for traceswo capture and must be highest priority.
|
||||
*/
|
||||
#define IRQ_PRI_USB (2 << 4)
|
||||
#define IRQ_PRI_USBUSART (1 << 4)
|
||||
#define IRQ_PRI_USB_VBUS (14 << 4)
|
||||
#define IRQ_PRI_TRACE (0 << 4)
|
||||
|
||||
#define USBUSART USART1
|
||||
#define USBUSART_CR1 USART1_CR1
|
||||
#define USBUSART_IRQ NVIC_USART1_IRQ
|
||||
#define USBUSART_APB_ENR RCC_APB2ENR
|
||||
#define USBUSART_CLK_ENABLE RCC_APB2ENR_USART1EN
|
||||
#define USBUSART_PORT GPIOA
|
||||
#define USBUSART_TX_PIN GPIO9
|
||||
#define USBUSART_ISR usart1_isr
|
||||
|
||||
#define TRACE_TIM TIM3
|
||||
#define TRACE_TIM_CLK_EN() rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_TIM3EN)
|
||||
#define TRACE_IRQ NVIC_TIM3_IRQ
|
||||
#define TRACE_ISR tim3_isr
|
||||
|
||||
#define DEBUG(...)
|
||||
|
||||
extern uint8_t running_status;
|
||||
extern volatile uint32_t timeout_counter;
|
||||
|
||||
extern jmp_buf fatal_error_jmpbuf;
|
||||
|
||||
extern const char *morse_msg;
|
||||
|
||||
#define gpio_set_val(port, pin, val) do { \
|
||||
if(val) \
|
||||
gpio_set((port), (pin)); \
|
||||
else \
|
||||
gpio_clear((port), (pin)); \
|
||||
} while(0)
|
||||
|
||||
#define SET_RUN_STATE(state) {running_status = (state);}
|
||||
#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, LED_IDLE_RUN, state);}
|
||||
#define SET_ERROR_STATE(state) {gpio_set_val(LED_PORT, LED_ERROR, state);}
|
||||
|
||||
#define PLATFORM_SET_FATAL_ERROR_RECOVERY() {setjmp(fatal_error_jmpbuf);}
|
||||
#define PLATFORM_FATAL_ERROR(error) { \
|
||||
if(running_status) gdb_putpacketz("X1D"); \
|
||||
else gdb_putpacketz("EFF"); \
|
||||
running_status = 0; \
|
||||
target_list_free(); \
|
||||
morse("TARGET LOST.", 1); \
|
||||
longjmp(fatal_error_jmpbuf, (error)); \
|
||||
}
|
||||
|
||||
int platform_init(void);
|
||||
void morse(const char *msg, char repeat);
|
||||
const char *platform_target_voltage(void);
|
||||
int platform_hwversion(void);
|
||||
void platform_delay(uint32_t delay);
|
||||
|
||||
/* <cdcacm.c> */
|
||||
void cdcacm_init(void);
|
||||
/* Returns current usb configuration, or 0 if not configured. */
|
||||
int cdcacm_get_config(void);
|
||||
int cdcacm_get_dtr(void);
|
||||
|
||||
/* <platform.h> */
|
||||
void uart_usb_buf_drain(uint8_t ep);
|
||||
|
||||
/* Use newlib provided integer only stdio functions */
|
||||
#define sscanf siscanf
|
||||
#define sprintf siprintf
|
||||
#define vasprintf vasiprintf
|
||||
|
||||
#ifdef INLINE_GPIO
|
||||
static inline void _gpio_set(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BSRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_set _gpio_set
|
||||
|
||||
static inline void _gpio_clear(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_clear _gpio_clear
|
||||
|
||||
static inline u16 _gpio_get(u32 gpioport, u16 gpios)
|
||||
{
|
||||
return (u16)GPIO_IDR(gpioport) & gpios;
|
||||
}
|
||||
#define gpio_get _gpio_get
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#define disconnect_usb() gpio_set_mode(USB_PU_PORT, GPIO_MODE_INPUT, 0, USB_PU_PIN);
|
||||
void assert_boot_pin(void);
|
||||
void setup_vbus_irq(void);
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* This file is part of the libopenstm32 project.
|
||||
*
|
||||
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* Define memory regions. */
|
||||
MEMORY
|
||||
{
|
||||
rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
|
||||
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
|
||||
}
|
||||
|
||||
/* Include the common ld script from libopenstm32. */
|
||||
INCLUDE libopencm3_stm32f1.ld
|
||||
Loading…
Reference in New Issue