str_util.c

/* extern functions */

extern usart_sendb(USART_TypeDef * USART, char byte);

extern char usart_receiveb(USART_TypeDef * USART);

/* USARTx receive string */

void usart_receives(USART_TypeDef * USART, char * buffer) {

    char * pbyte = buffer;

    char byte;

    while (byte = usart_receiveb(USART)) {

        usart_sendb(USART, byte);

        *pbyte++ = byte;

        if (byte == '\n' || byte == '\r')

            break;

    }

    *pbyte = '\0';

}