msc1210.c

MSC1210AD控制程序

#include "MSC1210.h"


unsigned long bipolar(void)
{
	unsigned long tmp=0;
	tmp = ADRESH;
	tmp = (tmp<<8)|ADRESM;
	tmp = (tmp<<8)|ADRESL;
	return (tmp);
}

/*
void putstr(char code *msg)
{
	while (*msg!=0) {
		tx_byte((unsigned char)*msg);
		if(*msg=='\n')tx_byte('\r');
		msg++;
	}
}
*/

void ADinit(void)
{
	unsigned int decimation = 576;	//抽取因子
									//数据速率＝Modclk/Decimation=14400/1440=10Hz PDCON &=0x0f7
	ACLK = 2;						//fmod=fACLK/64=1105920Hz/64=17280Hz
									//ACLK=11.0592MHZ/(8+1)=1.2288MHZ
									//Modclk=ACLK/64=19200Hz
	ODAC = 0x00;					//偏移电压0V
	ADMUX = 0x08;					//AIN0+on,AINcom-on
	PDCON &= 0xF7;					//启动ADC
	ADCON0 = 0x30;					//内部基准2.5V，缓冲器关，BOD关，PGA＝1
	ADCON2 = decimation&0xFF;		//写葋E槿∫蜃拥妥纸