int UART_Initialize()
{
usart1_mutex_id = osMutexCreate(osMutex(usart1_mutex));
usart2_mutex_id = osMutexCreate(osMutex(usart2_mutex));
usart6_mutex_id = osMutexCreate(osMutex(usart6_mutex));
if ((usart1_mutex_id == NULL) || (usart2_mutex_id == NULL) ||
(usart6_mutex_id == NULL)) {
ERROR_MiscRTOS("Failed to create a uart mutex");
}
/* UART2 configured as follow:
- Word Length = 8 Bits
- Stop Bit = One Stop bit
- Parity = Disabled
- BaudRate = 38400 baud
- Hardware flow control disabled (RTS and CTS signals) */
handles[INDEX_USART2].Instance = USART2;
handles[INDEX_USART2].Init.BaudRate = 38400;
handles[INDEX_USART2].Init.WordLength = UART_WORDLENGTH_8B;
handles[INDEX_USART2].Init.StopBits = UART_STOPBITS_1;
handles[INDEX_USART2].Init.Parity = UART_PARITY_NONE;
handles[INDEX_USART2].Init.HwFlowCtl = UART_HWCONTROL_NONE;
handles[INDEX_USART2].Init.Mode = UART_MODE_TX_RX;
handles[INDEX_USART2].Init.OverSampling = UART_OVERSAMPLING_16;
if(HAL_UART_Init(&handles[INDEX_USART2]) != HAL_OK) {
return -1;
}
initialized[INDEX_USART2] = 1;
return 0;
}
int ANTENNAS_Deploy()
{
dbg_printf("Starting antenna thread");
antenna_thread_id = osThreadCreate(osThread(antenna_thread), NULL);
if (antenna_thread_id == NULL) {
ERROR_MiscRTOS("No thread was created");
return -1;
} else {
return 0;
}
}
ssize_t UART_Write(enum UART_Uart uart, uint8_t * data, uint16_t size)
{
UART_HandleTypeDef *uartHandle;
uartHandle = UART_GetHandle(uartToUsart(uart));
if (uartHandle == &handles[INDEX_USART1]) {
if (osMutexWait(usart1_mutex_id, osWaitForever) != osOK) {
ERROR_MiscRTOS("Mutex wait failed");
}
} else if (uartHandle == &handles[INDEX_USART2]) {
if (osMutexWait(usart2_mutex_id, osWaitForever) != osOK) {
ERROR_MiscRTOS("Mutex wait failed");
}
} else if (uartHandle == &handles[INDEX_USART6]) {
if (osMutexWait(usart6_mutex_id, osWaitForever) != osOK) {
ERROR_MiscRTOS("Mutex wait failed");
}
} else {
ERROR_NotImplemented("Invalid UART for mutex");
}
HAL_UART_Transmit(uartHandle, data, size, 0xFFFF);
if (uartHandle == &handles[INDEX_USART1]) {
if (osMutexRelease(usart1_mutex_id) != osOK) {
ERROR_MiscRTOS("Mutex release failed");
}
} else if (uartHandle == &handles[INDEX_USART2]) {
if (osMutexRelease(usart2_mutex_id) != osOK) {
ERROR_MiscRTOS("Mutex release failed");
}
} else if (uartHandle == &handles[INDEX_USART6]) {
if (osMutexRelease(usart6_mutex_id) != osOK) {
ERROR_MiscRTOS("Mutex release failed");
}
} else {
ERROR_NotImplemented("Invalid UART for mutex");
}
return size;
}