參考儀隆例程em78p259n ad轉(zhuǎn)換的應(yīng)用

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Shanghai,.#23,Zone115,Lane572,BiboRd.ZhangjiangHi-TechParkShanghai,201203:+86215080-Fax:+86215080- 1R8AISRADC輸入選擇寄存器12R9ADCONADC控制寄存器132435RCADDATA1HADC4位36RDADDATA1LADC8位37RE(中斷狀態(tài)寄存器 38IOCE0(WDT控制和中斷寄存器3 15283456AD喚醒（C語言）78AD喚醒（C語言）i一、1、R8AISRADC輸入選擇寄存器Bit2(ADE2)：P52作為AD轉(zhuǎn)換輸使能位Bit1(ADE1)：P51作為AD轉(zhuǎn)換輸使能位Bit0(ADE0)：P50作為AD轉(zhuǎn)換輸使能位-(Bit6~Bit5CKR1~CKR0)：ADC轉(zhuǎn)換的時(shí)鐘分頻數(shù)00：1:16(默認(rèn))01：1:10：1:11-Bit4ADRUN)：ADCBit3(ADPD)：ADC掉電模式Bit1~Bit0ADIS1~ADIS0)2Bit5~Bit3VOF[2]~VOF[0])0000010100111001011101117、RE中斷狀態(tài)寄存器8、IOCE0(WDT控制和中斷寄存器3二、EM78P259NAD三、EM78P259NAD2、設(shè)置寄存器ADCON的ADIS1:ADIS0，選擇AD輸入通道；設(shè)置寄存器ADCON的四、EM78P259NADC46等待EM78P259N被喚醒；保存轉(zhuǎn)換的結(jié)果。如果需要做多次AD轉(zhuǎn)換，跳到步驟5。五、范例 ;編譯軟件：eUIDEVersion D_ADDATAH D_ADDATAL BCIOCSMOVA,@0IOWP5CRIOW5;PORT5;參考電壓為;ADC低字節(jié)結(jié)果;ADC高四位組結(jié)果$;AD ;校正ADC正電壓MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,A MOVA,ADDATA1L 6 MOVA,@0X07MOVCOUNTER,AMOV ZC 72、查詢方式（C語言//WDT://編譯軟件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP() #defineENI() #defineSLEP()_asm{slep} CONTR()_asm{contr}\_asm{mov%P_scale,a}//CONT寄存 CONTW(IM_Value)_asm{mov #defineucharunsignedexternintIntVecIdx;//occupied0x10:rpagevoidAD_CALI_P(); ucharADC_datah@0x11:rpage0;ucharADC_datal@0x12:rpage0;ucharcounter;void{8 /*參考電壓為 }AD校正子程序部分voidAD_CALI_P(){ { if(ADDATA1L==0){CALI=0;return;}//ADC低字節(jié)結(jié)果值是否為0,校正 //每次微調(diào)2LSB } 9{ //每次微調(diào)2LSB }} ;編譯軟件：eUIDEVersion D_ADDATAH D_ADDATAL 10 MOV ;ADC低字節(jié)結(jié)果MOVMOV ;ADC高四位組結(jié)果MOVD_ADDATAH,ABCIOCSMOVA,@0IOWIOWP6CR ;PORT5;參考電壓為$;AD ;校正ADC正電壓MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,AZMOVA,@0X08 MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,AZ12 MOV 4、中斷方式（C語言//WDT://編譯軟件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP() #defineENI() #defineSLEP()_asm{slep} CONTR()_asm{contr}\_asm{mov //CONT寄存 CONTW(IM_Value)_asm{mov #defineucharunsignedexternint //occupied0x10:rpagevoidAD_CALI_P(); ucharADC_datah@0x11:rpage0;ucharADC_datal@0x12:rpage0;ucharcounter;void{ /*參考電壓為 }AD校正子程序部分void{14

{ if(ADDATA1L==0){CALI=0;return;}//ADC低字節(jié)結(jié)果值是否為0,校正 //每次微調(diào)2LSB } { // }}void_intcallALLInt(void)@{{case0xD:}}void_intcallADconvert_l(void)@0x0C:low_int{BC0x3,5}5、查詢方式AD喚醒（匯編 ;編譯軟件：eUIDEVersion D_ADDATAH D_ADDATAL MOVA,@0 MOVA,@0XFF16 ;PORT5MOVMOV MOVMOV ;參考電壓為 CALL MOV ;ADC低字節(jié)結(jié)果MOVMOV ;ADC高四位組結(jié)果MOV ;AD ;校正ADC正電壓MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,A ZMOVA,@0X08 MOVA,@0X07MOVCOUNTER,AMOV ZC 186、查詢方式AD喚醒（C語言//WDT://編譯軟件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP() #defineENI() #defineSLEP()_asm{slep} CONTR()_asm{contr}\_asm{mov%P_scale,a}//CONT寄存 CONTW(IM_Value)_asm{mov #defineucharunsignedexternintIntVecIdx;//occupied0x10:rpagevoidAD_CALI_P(); ucharADC_datah@0x11:rpage0;ucharADC_datal@0x12:rpage0;ucharcounter;void{ /*參考電壓為 ;}AD校正子程序部分voidAD_CALI_P(){ { 20if(ADDATA1L==0){CALI=0;return;}//ADC低字節(jié)結(jié)果值是否為0,校 // } { //每次微調(diào)2LSB }}7、中斷方式AD喚醒（匯編 ;編譯軟件：eUIDEVersion D_ADDATAH D_ADDATAL== ;ADC低字節(jié)結(jié)果MOVMOV ;ADC高四位組結(jié)果MOVD_ADDATAH,A MOVA,@0 MOVA,@0XFF ;PORT5MOVMOV M