uart.c

英培特EDUKIT-III实验箱核心子板为s3c2410

#include "s3c2410.h"
#include "machine.h"

void init_uart(void)
{
	ULCON0 = vULCON0;
	UCON0 = vUCON0;
	UFCON0 = vUFCON0;
	UMCON0 = vUMCON0;
	UBRDIV0 = 12;
}

void putc(char c)
{
	char i;

	while (!(UTRSTAT0 & UTRSTAT_TX_EMPTY)) {
		;
	}

	for (i=0; i<10; i++) {
		;
	}

	UTXH0 = c;
}

unsigned char getc(void)
{
	while (!(UTRSTAT0 & UTRSTAT_RX_READY)) {
		;
	}

	return URXH0;
}

void putstr(const char *str)
{
	while (*str) {
		putc(*str++);
	}
}