__task void serial_process()
{
UART_Configuration config;
int32_t len_data = 0;
void *msg;
while (1) {
// Check our mailbox to see if we need to set anything up with the UART
// before we do any sending or receiving
if (os_mbx_wait(&serial_mailbox, &msg, 0) == OS_R_OK) {
switch((SERIAL_MSG)(unsigned)msg) {
case SERIAL_INITIALIZE:
uart_initialize();
break;
case SERIAL_UNINITIALIZE:
uart_uninitialize();
break;
case SERIAL_RESET:
uart_reset();
break;
case SERIAL_SET_CONFIGURATION:
serial_get_configuration(&config);
uart_set_configuration(&config);
break;
default:
break;
}
}
len_data = USBD_CDC_ACM_DataFree();
if (len_data > SIZE_DATA) {
len_data = SIZE_DATA;
}
if (len_data) {
len_data = uart_read_data(data, len_data);
}
if (len_data) {
if(USBD_CDC_ACM_DataSend(data , len_data)) {
main_blink_cdc_led(MAIN_LED_OFF);
}
}
len_data = uart_write_free();
if (len_data > SIZE_DATA) {
len_data = SIZE_DATA;
}
if (len_data) {
len_data = USBD_CDC_ACM_DataRead(data, len_data);
}
if (len_data) {
if (uart_write_data(data, len_data)) {
main_blink_cdc_led(MAIN_LED_OFF);
}
}
}
}
/** @brief Virtual COM Port change communication settings
*
* The function changes communication settings of the port used as the
* Virtual COM Port.
*
* @param [in] line_coding Pointer to the loaded CDC_LINE_CODING structure.
* @return 0 Function failed.
* @return 1 Function succeeded.
*/
int32_t USBD_CDC_ACM_PortSetLineCoding(CDC_LINE_CODING *line_coding)
{
UART_Config.Baudrate = line_coding->dwDTERate;
UART_Config.DataBits = (UART_DataBits) line_coding->bDataBits;
UART_Config.Parity = (UART_Parity) line_coding->bParityType;
UART_Config.StopBits = (UART_StopBits) line_coding->bCharFormat;
UART_Config.FlowControl = UART_FLOW_CONTROL_NONE;
return uart_set_configuration(&UART_Config);
}