ADC.zip_ xc164_XC164

#include "main.h" #define VREF 5 /* Voltage Reference: max voltage VDDP+0.1, minimum voltage 4.5 */ static unsigned short ADCData = 0; static unsigned char ADCchannel = 0; // 1ms loop delay /* void loop_delay_ms(unsigned int cnt) { unsigned int i, j; for(i=0; i<cnt; i++) { for(j=0; j<4000; j++); } } */ void main(void) { /* A/D Converter */ while (1) { /* Init ADC */ ADC_CON = 0xB0; /* ADM autoscan continuous conversion and start bit = 1 */ ADC_CON_ADBSY = 1; /* Busy flag */ while (ADC_CON_ADBSY); /* Wait for conversion */ /* Output 0-1023 ADDAT value without using floating-point */ /* printf ("ADDAT Value %4u = %01u.%04u Volts\r", (unsigned) ADC_DAT, (unsigned) (ADC_DAT * VREF)>> 10, // Output Integer Portion (unsigned) ((ADC_DAT * VREF * 10000UL) >> 10UL) % 10000); // Output Decimal Portion */ ADCData = (unsigned) ADC_DAT; ADCchannel = ADCData >> 12; // ADCchannel = (unsigned) ADC_CON_ADCRQ; // ADCData2 = (unsigned) ADC_DAT2; } } /* // main void main(void) { // set direction register Port P1L.0 as output DP1L = 0x10; while(1) { P1L_P4 = ~P1L_P4; loop_delay_ms(100); } } */