ad_paoma_beep2.txt

自己用的一些小程序,lpc2148主芯片

#include "lpc214x.h"
#include "config.h"
#define BEEP 1<<24 //p1.24
#define key1 1<<16

const uint32 LEDS3=(0x07<<28);
const uint32 LED_TBL[]={0x01,0x02,0x04};
void Delay(uint32 dly)
{
	uint32 i;
	for(;dly>0;dly--)
	for(i=0;i<50000;i++);
}

int main(void)
{	 uint32 ADC_Data;
		uint8 i;
//	PINSEL0=0x0F333F00;
//	PINSEL1=0x15541800;
	IO1DIR|=BEEP;
	IO1SET=BEEP;
	IO0DIR=BEEP;
	PINSEL1|=1<<18;        //p0.25连接到ad0.4
	AD0CR=(1<<4)|		   //选择AD0.4
	((Fpclk/100000-1)<<8)| //CLKDIV=Fpclk/1000000-1,conver  1MHz
	(0<<16)|			   //burst=0 软件控制转化
	(0<<17)|			   //11clock
	(1<<21)|			   //PDN=1,正常工作模式
	(0<<22)|			   //TEST1:0 = 00 
	(1<<24)|			   //start=0 ad conversion stops
	(0<<27);			   //EDGE=0(cap/mat )
	Delay(10);
	ADC_Data=AD0DR;


	IO0DIR=LEDS3;
	while(1)
	{
		
		for(i=0;i<3;i++)
		{
/*1			IO0SET=~(LEDS3&(1<<(28+i)));
			Delay(30);
			IO0CLR=LEDS3&(1<<(28+i));
			Delay(30);
*/
//2
			IO0SET=~((LED_TBL[i])<<28);
			Delay(30);
			IO0CLR=((LED_TBL[i])<<28); //on
//			Delay(30);
/*			IO1CLR=BEEP;	//on
			Delay(1);
			IO1SET=BEEP;
			Delay(5);
*/
		}
	}
}