circuitpython/minimal/uart_extra.c

27 lines
652 B
C

#include <string.h>
#include <unistd.h>
#include "py/mpconfig.h"
#include "pybstdio.h"
/*
* Extra UART functions
* These can be either optimized for a particular port, or reference,
* not very optimal implementation below can be used.
*/
// Send "cooked" string of length, where every occurance of
// LF character is replaced with CR LF.
void stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
while (len--) {
if (*str == '\n') {
stdout_tx_strn("\r", 1);
}
stdout_tx_strn(str++, 1);
}
}
// Send zero-terminated string
void stdout_tx_str(const char *str) {
stdout_tx_strn(str, strlen(str));
}