52 lines
2.3 KiB
C
52 lines
2.3 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : Main.C
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* Author : WCH
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* Version : V1.0
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* Date : 2017/01/20
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* Description : CH544 ADC初始化，ADC中断和查询方式采集演示示例
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*******************************************************************************/
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#include "..\Public\CH554.H"
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#include "..\Public\Debug.H"
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#include "ADC.H"
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#include "stdio.h"
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#include <string.h>
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#pragma NOAREGS
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void main( )
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{
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UINT16 i;
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UINT16 j = 0;
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CfgFsys( ); //CH554时钟选择配置
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mDelaymS(20);
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mInitSTDIO( ); //串口0初始化
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printf("start ...\n");
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ADCInit( 0 ); //ADC时钟配置，0(96clk) 1(384clk)，ADC模块开启
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#if ADC_INTERRUPT //ADC中断方式
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EA = 1;
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while(1)
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{
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for(i=0;i<4;i++){
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printf("AIN%02x ",(UINT16)i); //ADC采样通道打印显示，调试用
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ADC_ChannelSelect( i ); //ADC采样电源开启和通道设置，i(0-3)表示采样通道
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ADC_START = 1; //开始采样，采样完成进入中断
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mDelayuS(30); //等待采集完成才能切换至下一通道
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}
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}
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#else
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while(1) //ADC 查询方式
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{
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for(i=0;i<4;i++){
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printf("AIN%02x ",(UINT16)i);
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ADC_ChannelSelect( i ); //ADC采样初始化
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ADC_START = 1; //开始采样，采样完成进入中断
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while(ADC_START); //ADC_START变为0时，表示采样完成
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printf("DATA: %02x\n",(UINT16)ADC_DATA);
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mDelaymS(100); //模拟单片机干其他事
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}
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}
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#endif
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} |