/** @brief: set registers acc to info in huart
* @details: used in HAL_UART3Debug_Init, private
****************************************************************/
static void MyUARTSetConfig(UART_HandleTypeDef * huart) {
uint32_t tmpreg = 0x00;
/* Check the parameters */
assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
assert_param(IS_UART_PARITY(huart->Init.Parity));
assert_param(IS_UART_MODE(huart->Init.Mode));
/*------- UART-associated USART registers setting : CR2 Configuration ------*/
/* Configure the UART Stop Bits: Set STOP[13:12] bits according
* to huart->Init.StopBits value */
MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits);
/*------- UART-associated USART registers setting : CR1 Configuration ------*/
/* Configure the UART Word Length, Parity and mode:
Set the M bits according to huart->Init.WordLength value
Set PCE and PS bits according to huart->Init.Parity value
Set TE and RE bits according to huart->Init.Mode value */
tmpreg = (uint32_t) huart->Init.WordLength | huart->Init.Parity
| huart->Init.Mode;
MODIFY_REG(huart->Instance->CR1,
(uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE),
tmpreg);
/*------- UART-associated USART registers setting : CR3 Configuration ------*/
/* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE),
huart->Init.HwFlowCtl);
/*------- UART-associated USART registers setting : BRR Configuration ------*/
if ((huart->Instance == USART1)) {
huart->Instance->BRR = UART_BRR_SAMPLING16(HAL_RCC_GetPCLK2Freq(),
huart->Init.BaudRate);
} else {
huart->Instance->BRR = UART_BRR_SAMPLING16(HAL_RCC_GetPCLK1Freq(),
huart->Init.BaudRate);
}
}
/**
* @brief Read settings from SPI FLASH
* @param None
* @retval None
*/
static ErrorStatus prvReadSettingsFromSpiFlash()
{
/* Read to a temporary settings variable */
UARTSettings settings = {0};
if (SPI_FLASH_ReadBufferDMA((uint8_t*)&settings, FLASH_ADR_UART1_SETTINGS, sizeof(UARTSettings), 2000) == SUCCESS)
{
/* Check to make sure the data is reasonable */
if (IS_UART_CONNECTION(settings.connection) &&
IS_UART_BAUDRATE(settings.baudRate) &&
IS_UART_POWER(settings.power) &&
IS_UART_MODE_APP(settings.mode) &&
IS_GUI_TEXT_FORMAT(settings.textFormat))
{
/* Try to take the settings semaphore */
if (xSettingsSemaphore != 0 && xSemaphoreTake(xSettingsSemaphore, 100) == pdTRUE)
{
/* Copy to the real settings variable */
memcpy(&prvCurrentSettings, &settings, sizeof(UARTSettings));
prvCurrentSettings.power = UARTPower_5V;
prvCurrentSettings.mode = UARTMode_TX_RX;
uart1UpdateWithNewSettings();
/* Give back the semaphore now that we are done */
xSemaphoreGive(xSettingsSemaphore);
return SUCCESS;
}
else
{
/* Something went wrong as we couldn't take the semaphore */
return ERROR;
}
}
else
return ERROR;
}
else
return ERROR;
}
/** @brief: set registers acc to info in huart
* @details: used in HAL_UART3Debug_Init, private
****************************************************************/
static void MyUARTSetConfig(UART_HandleTypeDef *huart) {
uint32_t tmpreg = 0x00;
/* Check the parameters */
assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
assert_param(IS_UART_PARITY(huart->Init.Parity));
assert_param(IS_UART_MODE(huart->Init.Mode));
/*-------------------------- USART CR2 Configuration -----------------------*/
tmpreg = huart->Instance->CR2;
/* Clear STOP[13:12] bits */
tmpreg &= (uint32_t) ~((uint32_t) USART_CR2_STOP);
/* Configure the UART Stop Bits: Set STOP[13:12] bits according to huart->Init.StopBits value */
tmpreg |= (uint32_t) huart->Init.StopBits;
/* Write to USART CR2 */
huart->Instance->CR2 = (uint32_t) tmpreg;
/*-------------------------- USART CR1 Configuration -----------------------*/
tmpreg = huart->Instance->CR1;
/* Clear M, PCE, PS, TE and RE bits */
tmpreg &= (uint32_t) ~((uint32_t) (USART_CR1_M | USART_CR1_PCE
| USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8));
/* Configure the UART Word Length, Parity and mode:
Set the M bits according to huart->Init.WordLength value
Set PCE and PS bits according to huart->Init.Parity value
Set TE and RE bits according to huart->Init.Mode value
Set OVER8 bit according to huart->Init.OverSampling value */
tmpreg |= (uint32_t) huart->Init.WordLength | huart->Init.Parity
| huart->Init.Mode | huart->Init.OverSampling;
/* Write to USART CR1 */
huart->Instance->CR1 = (uint32_t) tmpreg;
/*-------------------------- USART CR3 Configuration -----------------------*/
tmpreg = huart->Instance->CR3;
/* Clear CTSE and RTSE bits */
tmpreg &= (uint32_t) ~((uint32_t) (USART_CR3_RTSE | USART_CR3_CTSE));
/* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
tmpreg |= huart->Init.HwFlowCtl;
/* Write to USART CR3 */
huart->Instance->CR3 = (uint32_t) tmpreg;
/* Check the Over Sampling */
if (huart->Init.OverSampling == UART_OVERSAMPLING_8) {
/*-------------------------- USART BRR Configuration ---------------------*/
if ((huart->Instance == USART1) || (huart->Instance == USART6)) {
huart->Instance->BRR = UART_DIV_SAMPLING8(HAL_RCC_GetPCLK2Freq(),
huart->Init.BaudRate);
} else {
huart->Instance->BRR = UART_DIV_SAMPLING8(HAL_RCC_GetPCLK1Freq(),
huart->Init.BaudRate);
}
} else {
/*-------------------------- USART BRR Configuration ---------------------*/
if ((huart->Instance == USART1) || (huart->Instance == USART6)) {
huart->Instance->BRR = UART_DIV_SAMPLING16(HAL_RCC_GetPCLK2Freq(),
huart->Init.BaudRate);
} else {
huart->Instance->BRR = UART_DIV_SAMPLING16(HAL_RCC_GetPCLK1Freq(),
huart->Init.BaudRate);
}
}
}
