int main(void) {
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init button */
TM_DISCO_ButtonInit();
/* Init USART, Pins not initialized yet, 921600 bauds */
TM_USART_Init(USART6, TM_USART_PinsPack_Custom, 921600);
/* Put test string */
TM_USART_Puts(USART6, "Hello world\n");
while (1) {
/* Check if anything received */
while (!TM_USART_BufferEmpty(USART6)) {
/* Send data back from buffer */
TM_USART_Putc(USART6, TM_USART_Getc(USART6));
}
}
}
int main(void) {
/* Init system */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init delay */
TM_DELAY_Init();
/* Init USB peripheral */
TM_USB_Init();
/* Init VCP on HS port */
TM_USBD_CDC_Init(TM_USB_HS);
/* Start USB device mode on HS port */
TM_USBD_Start(TM_USB_HS);
while (1) {
/* Process USB CDC device, send remaining data if needed */
/* It is better if you call this in periodic timer, like each ms in SYSTICK handler */
TM_USBD_CDC_Process(TM_USB_HS);
/* Check if device is ready, if drivers are installed if needed on HS port */
if (TM_USBD_IsDeviceReady(TM_USB_HS) == TM_USBD_Result_Ok) {
/* Turn on green LED */
TM_DISCO_LedOn(LED_GREEN);
/* Check if user has changed parameters for COM port */
TM_USBD_CDC_GetSettings(TM_USB_HS, &USB_Settings);
/* Check if settings updated from user terminal */
if (USB_Settings.Updated) {
/* Reinit USART, only baudrate works in this example */
TM_USART_Init(USART6, TM_USART_PinsPack_1, USB_Settings.Baudrate);
}
/* Check if anything received on HS port from user */
while (TM_USBD_CDC_Getc(TM_USB_HS, &ch)) {
/* One character received */
/* Send character to USART */
TM_USART_Putc(USART6, ch);
}
/* CHeck if any character received from USART */
while (!TM_USART_BufferEmpty(USART6)) {
/* Send data over USB CDC */
TM_USBD_CDC_Putc(TM_USB_HS, TM_USART_Getc(USART6));
}
} else {
/* Turn off green LED */
TM_DISCO_LedOff(LED_GREEN);
}
}
}
int main(void) {
/* Init system clock for maximum system speed */
TM_RCC_InitSystem();
/* Init HAL layer */
HAL_Init();
/* Init leds */
TM_DISCO_LedInit();
/* Init USART, TX: PC6, RX: PC7, 921600 bauds */
TM_USART_Init(USART2, TM_USART_PinsPack_1, 115200);
/* Put test string */
TM_USART_Puts(USART2, "Hello world\n");
while (1) {
/* Check if we have string "OK" in USART6 buffer */
if (TM_USART_FindString(USART2, "OK")) {
/* Send data back from buffer */
while (!TM_USART_BufferEmpty(USART2)) {
/* Send to computer */
TM_USART_Putc(USART2, TM_USART_Getc(USART6));
}
}
}
}
uint16_t TM_USART_Gets(USART_TypeDef* USARTx, char* buffer, uint16_t bufsize) {
uint16_t i = 0;
/* Check for any data on USART */
if (TM_USART_BufferEmpty(USARTx) || !TM_USART_FindCharacter(USARTx, '\n')) {
return 0;
}
/* If available buffer size is more than 0 characters */
while (i < (bufsize - 1)) {
/* We have available data */
buffer[i] = (char) TM_USART_Getc(USARTx);
/* Check for end of string */
if (buffer[i] == '\n') {
/* Done */
break;
}
/* Next index */
i++;
}
/* Add zero to the end of string */
buffer[++i] = 0;
return (i);
}
TM_GPS_Result_t TM_GPS_Update(TM_GPS_Data_t* GPS_Data) {
if (!TM_USART_BufferEmpty(GPS_USART)) {
while (!TM_USART_BufferEmpty(GPS_USART)) {
TM_GPS_INT_Do(GPS_Data, (char)TM_USART_Getc(GPS_USART));
if (GPS_Data->Status == TM_GPS_Result_NewData) {
return GPS_Data->Status;
}
}
}
if (TM_GPS_FirstTime) {
/* No any valid data, return First Data Waiting */
/* Returning only after power up and calling when no all data is received */
return TM_GPS_INT_ReturnWithStatus(GPS_Data, TM_GPS_Result_FirstDataWaiting);
}
/* We have old data */
return TM_GPS_INT_ReturnWithStatus(GPS_Data, TM_GPS_Result_OldData);
}
/* Handle USART6 stream input = custom function name, linked with USART6 stream in the beginning of main() function */
int USART6_Stream_InputFunction(FILE* f) {
/* If any data at USART, return them */
/* Do your custom implementation here when string ends */
if (!TM_USART_BufferEmpty(USART6)) {
return (int)TM_USART_Getc(USART6);
}
/* End of data, string is valid */
/* You have to send -1 at the end of string */
return -1;
}
/* Handle stdin actions */
int TM_STDIO_StdinHandler(FILE* f) {
/* If any data at USART, return them */
/* Do your custom implementation here when string ends */
if (!TM_USART_BufferEmpty(USART1)) {
return (int)TM_USART_Getc(USART1);
}
/* End of data, string is valid */
/* You have to send -1 at the end of string */
return -1;
}
uint16_t TM_USART_Gets(USART_TypeDef* USARTx, char* buffer, uint16_t bufsize) {
uint16_t i = 0;
uint8_t eol = 0;
if (TM_USART_BufferEmpty(USARTx)) {
return 0;
}
if (bufsize > 0) {
while (!eol) {
while (TM_USART_BufferEmpty(USARTx));
buffer[i] = (char) TM_USART_Getc(USARTx);
if (buffer[i] == '\n') {
eol = 1;
} else {
if (i < (bufsize - 1)) {
i++;
}
}
}
//Add zero to the end of string
buffer[i] = 0;
}
return (i);
}
