liz/flipperzero-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

API HAL I2C: add timeout support. Update I2C API usage by drivers. (#374)

Browse Source 
* API HAL I2C: add timeout support. Update I2C API usage by drivers.
* F4: Add missing API HAL Vibro implementation.
This commit is contained in:
あく
2021-03-10 16:23:54 +03:00
committed by GitHub
parent 468ee09785
commit 2f14f6dac5
15 changed files with 502 additions and 334 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
firmware/targets/f5/api-hal/api-hal-i2c.c
View File

@@ -1,6 +1,7 @@
#include <api-hal-i2c.h>
#include <stm32wbxx_ll_i2c.h>
#include <stm32wbxx_ll_gpio.h>
#include <stm32wbxx_ll_cortex.h>
#include <furi.h>
osMutexId_t api_hal_i2c_mutex = NULL;
@@ -40,33 +41,90 @@ void api_hal_i2c_init() {
LL_I2C_EnableClockStretching(I2C1);
}
void api_hal_i2c_tx(I2C_TypeDef* instance, uint8_t address, const uint8_t *data, uint8_t size) {
LL_I2C_HandleTransfer(instance, address, LL_I2C_ADDRSLAVE_7BIT, size, LL_I2C_MODE_AUTOEND, LL_I2C_GENERATE_START_WRITE);
bool api_hal_i2c_tx(
I2C_TypeDef* instance,
uint8_t address,
const uint8_t* data,
uint8_t size,
uint32_t timeout) {
uint32_t time_left = timeout;
bool ret = true;
while (!LL_I2C_IsActiveFlag_STOP(instance)) {
if (LL_I2C_IsActiveFlag_TXIS(instance)) {
LL_I2C_HandleTransfer(
instance,
address,
LL_I2C_ADDRSLAVE_7BIT,
size,
LL_I2C_MODE_AUTOEND,
LL_I2C_GENERATE_START_WRITE);
while(!LL_I2C_IsActiveFlag_STOP(instance)) {
if(LL_I2C_IsActiveFlag_TXIS(instance)) {
LL_I2C_TransmitData8(instance, (*data++));
time_left = timeout;
}
if(LL_SYSTICK_IsActiveCounterFlag()) {
if(--time_left == 0) {
ret = false;
break;
}
}
}
LL_I2C_ClearFlag_STOP(instance);
return ret;
}
void api_hal_i2c_rx(I2C_TypeDef* instance, uint8_t address, uint8_t *data, uint8_t size) {
LL_I2C_HandleTransfer(instance, address, LL_I2C_ADDRSLAVE_7BIT, size, LL_I2C_MODE_AUTOEND, LL_I2C_GENERATE_START_READ);
bool api_hal_i2c_rx(
I2C_TypeDef* instance,
uint8_t address,
uint8_t* data,
uint8_t size,
uint32_t timeout) {
uint32_t time_left = timeout;
bool ret = true;
while (!LL_I2C_IsActiveFlag_STOP(instance)) {
if (LL_I2C_IsActiveFlag_RXNE(instance)) {
LL_I2C_HandleTransfer(
instance,
address,
LL_I2C_ADDRSLAVE_7BIT,
size,
LL_I2C_MODE_AUTOEND,
LL_I2C_GENERATE_START_READ);
while(!LL_I2C_IsActiveFlag_STOP(instance)) {
if(LL_I2C_IsActiveFlag_RXNE(instance)) {
*data++ = LL_I2C_ReceiveData8(instance);
time_left = timeout;
}
if(LL_SYSTICK_IsActiveCounterFlag()) {
if(--time_left == 0) {
ret = false;
break;
}
}
}
LL_I2C_ClearFlag_STOP(instance);
return ret;
}
void api_hal_i2c_trx(I2C_TypeDef* instance, uint8_t address, const uint8_t *tx_data, uint8_t tx_size, uint8_t *rx_data, uint8_t rx_size) {
api_hal_i2c_tx(instance, address, tx_data, tx_size);
api_hal_i2c_rx(instance, address, rx_data, rx_size);
bool api_hal_i2c_trx(
I2C_TypeDef* instance,
uint8_t address,
const uint8_t* tx_data,
uint8_t tx_size,
uint8_t* rx_data,
uint8_t rx_size,
uint32_t timeout) {
if(api_hal_i2c_tx(instance, address, tx_data, tx_size, timeout) &&
api_hal_i2c_rx(instance, address, rx_data, rx_size, timeout)) {
return true;
} else {
return false;
}
}
void api_hal_i2c_lock() {