main.c

来自「2410 实验开发 底层源代码 对底层开发学习有帮助」· C语言 代码 · 共 39 行

#include "s3c2410.h" 
#include "serial.h"

#define	GPB7_out	(1<<(7*2))
#define	GPB8_out	(1<<(8*2))
#define	GPB9_out	(1<<(9*2))
#define	GPB10_out	(1<<(10*2))

 
static unsigned long m_RandSeed;

/* 随机函数 */
inline unsigned long  Rand()  
{
    return (m_RandSeed=1664525L*m_RandSeed+1013904223L)>>5;
}

void wait(unsigned long dly)
{
	for(; dly > 0; dly--);
}

int main()
{
	unsigned long i = 0, cnt = 0;
	unsigned char c;

	GPBCON	 = GPB7_out|GPB8_out|GPB9_out|GPB10_out;
	
	init_uart( );	//波特率57600，8N1(8个数据位，无校验位，1个停止位)

	while(1){
		wait(100000);
		GPBDAT = (~( (i++)<<7));
	}

	return 0;
}