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#include <STC15F2K60S2.H>
void InitADC(void)
{
P1ASF = 0x03;
ADC_RES = 0;
ADC_CONTR = 0x80;
_nop_(); // 等待ADC穩(wěn)定
_nop_();
_nop_();
_nop_();
}
unsigned int GetADCResult(unsigned char ch)
unsigned int result;
ADC_CONTR = (ADC_CONTR & 0xF8) | (ch & 0x07);
ADC_CONTR |= 0x08;
_nop_();
_nop_();
while (!(ADC_CONTR & 0x10));
ADC_CONTR &= ~0x10;
result = (ADC_RES << 2) | (ADC_RESL & 0x03);
return result;
}
void main(void)
{
unsigned int voltage = 0; //
unsigned int current = 0; //
while(1)
{
// 采集電壓值(通道0:P1.0)
voltage = GetADCResult(0);
// 電壓轉(zhuǎn)換.最大數(shù)3000
voltage = (voltage * 3000) / 1023; //3000
//voltage = 2999;
// 采集電流值(通道1:P1.1)
current = GetADCResult(1);
current = (current * 1000) / 1023;
} |
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