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more SPI rework stuff

This commit is contained in:
Triss 2021-07-15 04:18:36 +02:00
parent 7e4bea1a37
commit 8b4183fcdf
2 changed files with 11 additions and 11 deletions
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20
bsp/rp2040/m_default/spi_serprog.c
View File

@ -12,14 +12,14 @@
#include "m_default/serprog.h"
//static bool cs_asserted;
static bool cs_asserted;
static uint32_t freq;
static enum serprog_flags sflags;
static uint8_t bpw;
void sp_spi_init(void) {
//cs_asserted = false;
cs_asserted = false;
freq = 512*1000; // default to 512 kHz
sflags = 0; // CPOL 0, CPHA 0, MSB first
@ -39,7 +39,7 @@ void sp_spi_init(void) {
bi_decl(bi_1pin_with_name(PINOUT_SPI_nCS, "SPI #CS"));
}
void sp_spi_deinit(void) {
//cs_asserted = false;
cs_asserted = false;
sflags = 0;
freq = 512*1000;
bpw = 8;
@ -101,8 +101,8 @@ __attribute__((__const__)) const struct sp_spi_caps* sp_spi_get_caps(void) {
.min_bpw = 4,
.max_bpw = 16,
.caps = S_CAP_CPOL_HI | S_CAP_CPOL_LO | S_CAP_CPHA_HI | S_CAP_CPHA_LO
| S_CAP_MOTO | S_CAP_NATSEM | S_CAP_TI | S_CAP_MSBFST | S_CAP_LSBFST
| S_CAP_CSACHI
| S_CAP_STDSPI | S_CAP_MICROW | S_CAP_TISSP
| S_CAP_MSBFST | S_CAP_LSBFST | S_CAP_CSACHI
};
caps.freq_min = clock_get_hz(clk_peri) / 254;
@ -117,7 +117,7 @@ void __not_in_flash_func(sp_spi_cs_deselect)(uint8_t csflags) {
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;
cs_asserted = false;
}
void __not_in_flash_func(sp_spi_cs_select)(uint8_t csflags) {
(void)csflags;
@ -125,15 +125,14 @@ void __not_in_flash_func(sp_spi_cs_select)(uint8_t csflags) {
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;
cs_asserted = true;
}
void __not_in_flash_func(sp_spi_op_begin)(uint8_t csflags) {
// sp_spi_cs_select(csflags);
(void)csflags;
//if (!cs_asserted)
{
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
@ -143,8 +142,7 @@ void __not_in_flash_func(sp_spi_op_end)(uint8_t csflags) {
// sp_spi_cs_deselect(csflags);
(void)csflags;
//if (!cs_asserted) { // YES, this condition is the intended one!
{
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

2
src/m_default/cdc_serprog.c
View File

@ -312,6 +312,8 @@ static void handle_cmd(uint8_t cmd, uint8_t ud, uint8_t (*read_byte)(void),
len -= this_batch;
}
sp_spi_op_end(selchip);
} break;
default: