Firmwares/hello-world/bsp/libwrap/sys/puts.c

29 lines
519 B
C
Raw Permalink Normal View History

2018-09-26 08:07:48 +02:00
/* See LICENSE of license details. */
#include <stdint.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include "platform.h"
#include "stub.h"
#include "weak_under_alias.h"
int __wrap_puts(const char *s)
{
while (*s != '\0') {
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = *s;
if (*s == '\n') {
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = '\r';
}
++s;
}
return 0;
}
weak_under_alias(puts);