参考仪隆例程em78p259n ad转换的应用

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Shanghai,.#23,Zone115,Lane572,BiboRd.ZhangjiangHi-TechParkShanghai,201203:+86215080-Fax:+86215080- 1R8AISRADC输入选择寄存器12R9ADCONADC控制寄存器132435RCADDATA1HADC4位36RDADDATA1LADC8位37RE(中断状态寄存器 38IOCE0(WDT控制和中断寄存器3 15283456AD唤醒（C语言）78AD唤醒（C语言）i一、1、R8AISRADC输入选择寄存器Bit2(ADE2)：P52作为AD转换输使能位Bit1(ADE1)：P51作为AD转换输使能位Bit0(ADE0)：P50作为AD转换输使能位-(Bit6~Bit5CKR1~CKR0)：ADC转换的时钟分频数00：1:16(默认)01：1:10：1:11-Bit4ADRUN)：ADCBit3(ADPD)：ADC掉电模式Bit1~Bit0ADIS1~ADIS0)2Bit5~Bit3VOF[2]~VOF[0])0000010100111001011101117、RE中断状态寄存器8、IOCE0(WDT控制和中断寄存器3二、EM78P259NAD三、EM78P259NAD2、设置寄存器ADCON的ADIS1:ADIS0，选择AD输入通道；设置寄存器ADCON的四、EM78P259NADC46等待EM78P259N被唤醒；保存转换的结果。如果需要做多次AD转换，跳到步骤5。五、范例 ;编译软件：eUIDEVersion D_ADDATAH D_ADDATAL BCIOCSMOVA,@0IOWP5CRIOW5;PORT5;参考电压为;ADC低字节结果;ADC高四位组结果$;AD ;校正ADC正电压MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,A MOVA,ADDATA1L 6 MOVA,@0X07MOVCOUNTER,AMOV ZC 72、查询方式（C语言//WDT://编译软件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP() #defineENI() #defineSLEP()_asm{slep} CONTR()_asm{contr}\_asm{mov%P_scale,a}//CONT寄存 CONTW(IM_Value)_asm{mov #defineucharunsignedexternintIntVecIdx;//occupied0x10:rpagevoidAD_CALI_P(); ucharADC_datah@0x11:rpage0;ucharADC_datal@0x12:rpage0;ucharcounter;void{8 /*参考电压为 }AD校正子程序部分voidAD_CALI_P(){ { if(ADDATA1L==0){CALI=0;return;}//ADC低字节结果值是否为0,校正 //每次微调2LSB } 9{ //每次微调2LSB }} ;编译软件：eUIDEVersion D_ADDATAH D_ADDATAL 10 MOV ;ADC低字节结果MOVMOV ;ADC高四位组结果MOVD_ADDATAH,ABCIOCSMOVA,@0IOWIOWP6CR ;PORT5;参考电压为$;AD ;校正ADC正电压MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,AZMOVA,@0X08 MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,AZ12 MOV 4、中断方式（C语言//WDT://编译软件: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{ /*参考电压为 }AD校正子程序部分void{14

{ if(ADDATA1L==0){CALI=0;return;}//ADC低字节结果值是否为0,校正 //每次微调2LSB } { // }}void_intcallALLInt(void)@{{case0xD:}}void_intcallADconvert_l(void)@0x0C:low_int{BC0x3,5}5、查询方式AD唤醒（汇编 ;编译软件：eUIDEVersion D_ADDATAH D_ADDATAL MOVA,@0 MOVA,@0XFF16 ;PORT5MOVMOV MOVMOV ;参考电压为 CALL MOV ;ADC低字节结果MOVMOV ;ADC高四位组结果MOV ;AD ;校正ADC正电压MOVA,@0X07MOVCOUNTER,AMOV MOVADOC,A ZMOVA,@0X08 MOVA,@0X07MOVCOUNTER,AMOV ZC 186、查询方式AD唤醒（C语言//WDT://编译软件: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{ /*参考电压为 ;}AD校正子程序部分voidAD_CALI_P(){ { 20if(ADDATA1L==0){CALI=0;return;}//ADC低字节结果值是否为0,校 // } { //每次微调2LSB }}7、中断方式AD唤醒（汇编 ;编译软件：eUIDEVersion D_ADDATAH D_ADDATAL== ;ADC低字节结果MOVMOV ;ADC高四位组结果MOVD_ADDATAH,A MOVA,@0 MOVA,@0XFF ;PORT5MOVMOV M