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#include #define uchar unsigned char #define uint unsigned int main() { unsigned long i; uchar status; ADC_CONTR|=0X80; //打开A/D转换电源 for(i=0;i<10000;i++); P1ASF=0x01; //选择P1^0作为A/D转换通道 ADC_CONTR=0XE0; for(i=0;i<10000;i++); while() { ADC_CONTR|=0X08; //重新启动A/D转换 status=0; ADC_RES=0; //清除以前数据 while(!(ADC_CONTR|=0X10)); //判断转换是否结束 ADC_CONTR=0XE7; status=ADC_RES; } }

以上是我写的stc12c5a60s2内部A/D转换程序，P1^0作为转换通道与传感器模块的AO端相连，麻烦看看有没有问题，下面是利用LCD1602显示光强传感器采集的光强数据程序，和运行结果，数据没有显示出来，拜托各位大神帮忙找找原因，做好能帮忙写一个A/D转换程序，急求············拜托了···········

显示程序：

#include #define uchar unsigned char #define uint unsigned int uchar code table[]="hello world!"; uchar code table1[]="guan:--.- C"; sbit en = P2^5; sbit rs = P2^7; sbit rw = P2^6; uchar num; void delay(uint z) { uint x, y; for(x = z;x > 0;x--) for(y = 110;y > 0;y--); } void write_c(uchar c) { rs = 0; P0 = c; delay(5); en = 1; delay(5); en = 0; } void write_da(uchar date) { rs = 1; P0 = date; delay(5); en = 1; delay(5); en = 0; } void init() { rw = 0; en = 0; write_c(0x38); write_c(0x0c); write_c(0x06); write_c(0x01); write_c(0x80); for(num = 0;num < 12;num++) { write_da(table[num]); delay(5); } delay(20000); write_c(0x01); write_c(0x80); for(num = 0;num < 11;num++) { write_da(table1[num]); delay(5); } } void yjxianshi(uint date) { uchar a, b, c; // ds = 0; a = date/100; b = date%100/10; c = date%10; write_c(0x80 + 5); write_da(0x30 + a); write_c(0x80 + 6); write_da(0x30 + b); write_c(0x80 + 8); write_da(0x30 + c); } uint guangqiang(void) { unsigned long i; uint status; ADC_CONTR|=0X80; //打开A/D转换电源 for(i=0;i<10000;i++); P1ASF=0x01; //选择P1^0作为A/D转换通道 ADC_CONTR=0XE0; for(i=0;i<10000;i++); ADC_CONTR|=0X08; //重新启动A/D转换 status=0; ADC_RES=0; while(!(ADC_CONTR|=0X10)); ADC_CONTR=0XE7; status=ADC_RES; return(status); } void main() { uint t = 0; uchar e; init(); while(1) { for(e = 240;e > 0;e--) yjxianshi(t); t = guangqiang(); } }