c54xinit.c

来自「相当有用的并且已经调试通过的FLASH烧写程序。」· C语言 代码 · 共 40 行

#include "regs54xx.h"

unsigned int* punNum = (unsigned int*)(0x9000);

void Delay(long lDelay)
{
	volatile long i;
	
	for( i = 0 ; i < lDelay ; i++ );
}

void Delay1(long lDelay,int nNum)
{
	volatile long i;
	*punNum = nNum;
	
	for( i = 0 ; i < lDelay ; i++ );
}

void SetClkMode(int nMultiplier)
{
	while(CLKMD & 0x0001 != 0)
		CLKMD = 0x0000;
	
	if(nMultiplier == 5)
		CLKMD = 0x4007;
	if(nMultiplier == 10)
		CLKMD = 0x9007;
	if(nMultiplier == 2)
		CLKMD = 0x1007;
	if(nMultiplier == 1)
		CLKMD = 0xf007;
		
	Delay(10);	
}