uint8_t TM_USART_Getc(USART_TypeDef* USARTx) {
uint8_t c;
/* Read character from buffer */
if (TM_BUFFER_Read(TM_USART_INT_GetUSARTBuffer(USARTx), &c, 1)) {
return c;
}
/* Read was not successfull */
return 0;
}
uint16_t TM_BUFFER_ReadString(TM_BUFFER_t* Buffer, char* buff, uint16_t buffsize) {
uint16_t i = 0;
uint8_t ch;
uint16_t freeMem;
/* Check value buffer */
if (Buffer == NULL) {
return 0;
}
/* Get free */
freeMem = TM_BUFFER_GetFree(Buffer);
/* Check for any data on USART */
if (
freeMem == 0 || /*!< Buffer empty */
(
TM_BUFFER_FindElement(Buffer, Buffer->StringDelimiter) == 0 && /*!< String delimiter is not in buffer */
freeMem != 0 && /*!< Buffer is not full */
TM_BUFFER_GetFull(Buffer) < buffsize /*!< User buffer size is larger than number of elements in buffer */
)
) {
/* Return 0 */
return 0;
}
/* If available buffer size is more than 0 characters */
while (i < (buffsize - 1)) {
/* We have available data */
TM_BUFFER_Read(Buffer, &ch, 1);
/* Save character */
buff[i] = (char)ch;
/* Check for end of string */
if ((char)buff[i] == (char)Buffer->StringDelimiter) {
/* Done */
break;
}
/* Increase */
i++;
}
/* Add zero to the end of string */
if (i == (buffsize - 1)) {
buff[i] = 0;
} else {
buff[++i] = 0;
}
/* Return number of characters in buffer */
return i;
}
