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fix issue preventing I2C from working on some units

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This commit is contained in:
Mateusz Faderewski 2024-01-13 10:21:06 +01:00
parent 7d6e2bc5ee
commit 3683259b06
2 changed files with 12 additions and 3 deletions
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3
sw/controller/src/app.c
View File

@ -17,10 +17,11 @@ void app (void) {
hw_app_init();
timer_init();
rtc_init();
while (fpga_id_get() != FPGA_ID);
rtc_init();
button_init();
cfg_init();
cic_init();

12
sw/controller/src/hw.c
View File

@ -1,3 +1,4 @@
#include <stdbool.h>
#include <stddef.h>
#include <stm32g0xx.h>
#include "hw.h"
@ -262,11 +263,18 @@ static void hw_i2c_init (void) {
RCC->APBENR1 |= RCC_APBENR1_I2C1EN;
I2C1->CR1 &= ~(I2C_CR1_PE);
I2C1->TIMINGR = 0x10901032UL;
I2C1->CR1 |= I2C_CR1_PE;
hw_gpio_init(GPIO_ID_I2C_SCL, GPIO_ALT, GPIO_OD, GPIO_SPEED_VLOW, GPIO_PULL_NONE, GPIO_AF_6, 0);
hw_gpio_init(GPIO_ID_I2C_SDA, GPIO_ALT, GPIO_OD, GPIO_SPEED_VLOW, GPIO_PULL_NONE, GPIO_AF_6, 0);
while (true) {
if (hw_gpio_get(GPIO_ID_I2C_SCL) && hw_gpio_get(GPIO_ID_I2C_SDA)) {
break;
}
}
I2C1->TIMINGR = 0x10901032UL;
I2C1->CR1 |= I2C_CR1_PE;
}
i2c_err_t hw_i2c_trx (uint8_t address, uint8_t *tx_data, uint8_t tx_length, uint8_t *rx_data, uint8_t rx_length) {