ad.c

来自「医疗设备中激光手术台程序源代码」· C语言 代码 · 共 61 行

/************************************************************
RA0:	能量检测
RA1:	电流反馈
RA2:	驱动电压反馈
************************************************************/
#include <pic.h>
#include "ad.h"
#include "uart.h"


extern struct	// 在AD.C文件里已定义
{
	unsigned: 2;
	unsigned ADGO:1;
	unsigned  ADCS: 3;
	unsigned :2;
}ADC;


void print_ad_value(void)
{
	uart_send_byte(ADRESH);
	uart_send_byte(ADRESL);
}

bit read_ad(void)
{
	ADC.ADGO = 1;
	while(!ADC.ADGO)
		continue;
	return 1;
}

void ad_test(void)
{
	//select_chanel(3);
	
	while(!read_ad())
		continue;
	print_ad_value();
	uart_send_byte(0xaa);uart_send_byte(0xaa);
}