?? main.c
字號:
//03-05-26
#include "SPCE061V004.H"
unsigned int AD(void);
main()
{
unsigned long int uiData;
unsigned int i;
float fVoltage;
fVoltage=0.0;
*P_ADC_MUX_Ctrl=C_ADC_CH1; //LINE_IN-------IOA0
*P_ADC_Ctrl= C_ADCE; //ADC enable
uiData=*P_ADC_LINEIN_Data; //ADC start
uiData=0;
for(i=0;i<16;i++)
{
*P_Watchdog_Clear=C_WDTCLR;
uiData += AD();
}
uiData >>= 4;
fVoltage=(float)uiData/0xffc0*3.3;
}
unsigned int AD(void)
{
unsigned int uiData;
while(!(*P_ADC_MUX_Ctrl&0x8000)); //wait,until ADC complete
uiData=*P_ADC_LINEIN_Data;
return(uiData&0xffc0);
}
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