109 lines
4.5 KiB
C++
109 lines
4.5 KiB
C++
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ADC.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 : CH554 ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>ADCͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD>Ƚ<EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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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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#pragma NOAREGS
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#define ADC_INTERRUPT 1
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/*******************************************************************************
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* Function Name : ADCInit(UINT8 div)
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* Description : ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ģ<EFBFBD>鿪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϿ<EFBFBD><EFBFBD><EFBFBD>
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* Input : UINT8 div ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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1 <EFBFBD><EFBFBD> 384<EFBFBD><EFBFBD>Fosc
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0 <EFBFBD><EFBFBD> 96<EFBFBD><EFBFBD>Fosc
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* Output : None
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* Return : None
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*******************************************************************************/
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void ADCInit(UINT8 div)
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{
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ADC_CFG &= ~bADC_CLK | div;
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ADC_CFG |= bADC_EN; //ADC<44><43>Դʹ<D4B4><CAB9>
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#if ADC_INTERRUPT
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ADC_IF = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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IE_ADC = 1; //ʹ<><CAB9>ADC<44>ж<EFBFBD>
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#endif
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}
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/*******************************************************************************
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* Function Name : ADC_ChannelSelect(UINT8 ch)
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* Description : ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* Input : UINT8 ch <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD>
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* Output : None
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* Return : <EFBFBD>ɹ<EFBFBD> SUCCESS
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ʧ<EFBFBD><EFBFBD> FAIL
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*******************************************************************************/
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UINT8 ADC_ChannelSelect(UINT8 ch)
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{
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if(ch == 0){ADC_CHAN1 =0;ADC_CHAN0=0;P1_DIR_PU &= ~bAIN0;} //AIN0
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else if(ch == 1){ADC_CHAN1 =0;ADC_CHAN0=1;P1_DIR_PU &= ~bAIN1;} //AIN1
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else if(ch == 2){ADC_CHAN1 =1;ADC_CHAN0=0;P1_DIR_PU &= ~bAIN2;} //AIN2
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else if(ch == 3){ADC_CHAN1 =1;ADC_CHAN0=1;P3_DIR_PU &= ~bAIN3;} //AIN3
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else return FAIL;
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return SUCCESS;
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}
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/*******************************************************************************
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* Function Name : VoltageCMPModeInit()
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* Description : <EFBFBD><EFBFBD>ѹ<EFBFBD>Ƚ<EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
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* Input : UINT8 fo <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD> 0\1\2\3
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UINT8 re <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿<EFBFBD> 1\3
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* Output : None
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* Return : <EFBFBD>ɹ<EFBFBD> SUCCESS
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ʧ<EFBFBD><EFBFBD> FAIL
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*******************************************************************************/
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UINT8 VoltageCMPModeInit(UINT8 fo,UINT8 re)
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{
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ADC_CFG |= bCMP_EN; //<2F><>ƽ<EFBFBD>Ƚϵ<C8BD>Դʹ<D4B4><CAB9>
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if(re == 1){
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if(fo == 0) {ADC_CHAN1 =0;ADC_CHAN0=0;CMP_CHAN =0;} //AIN0<4E><30>AIN1
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else if(fo == 2) {ADC_CHAN1 =1;ADC_CHAN0=0;CMP_CHAN =0;} //AIN2<4E><32>AIN1
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else if(fo == 3) {ADC_CHAN1 =1;ADC_CHAN0=1;CMP_CHAN =0; } //AIN3<4E><33>AIN1
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else return FAIL;
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}
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else if(re == 3){
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if(fo == 0) {ADC_CHAN1 =0;ADC_CHAN0=0;CMP_CHAN =0;} //AIN0<4E><30>AIN1
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else if(fo == 1) {ADC_CHAN1 =0;ADC_CHAN0=1;CMP_CHAN =0;} //AIN1<4E><31>AIN1
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else if(fo == 2) {ADC_CHAN1 =1;ADC_CHAN0=0;CMP_CHAN =0;} //AIN2<4E><32>AIN1
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else return FAIL;
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}
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else return FAIL;
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#if ADC_INTERRUPT
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CMP_IF = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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IE_ADC = 1; //ʹ<><CAB9>ADC<44>ж<EFBFBD>
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#endif
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return SUCCESS;
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}
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#if ADC_INTERRUPT
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/*******************************************************************************
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* Function Name : ADCInterrupt(void)
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* Description : ADC <EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*******************************************************************************/
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void ADCInterrupt( void ) interrupt INT_NO_ADC using 1 //ADC<44>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ʹ<>üĴ<C3BC><C4B4><EFBFBD><EFBFBD><EFBFBD>1
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{
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if(ADC_IF == 1) //ADC<44><43><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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{
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// UserData = ADC_DATA; //ȡ<><C8A1>ADC<44><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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ADC_IF = 0; //<2F><><EFBFBD><EFBFBD>ADC<44>жϱ<D0B6>־
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}
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if(CMP_IF == 1) //<2F><>ѹ<EFBFBD>Ƚ<EFBFBD><C8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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{
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// UserData = ADC_CTRL&0x80 >> 7); //<2F><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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CMP_IF = 0; //<2F><><EFBFBD>ձȽ<D5B1><C8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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}
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}
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#endif
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