' Name : ADC10X2.pbp ' Compiler : PICBASIC PRO Compiler 2.6 ' Assembler : PM or MPASM ' Target PIC : 28/40-pin PIC types compatible with LAB-X2 board ' Hardware : LAB-X2 Experimenter Board ' Oscillator : 4MHz external crystal ' Keywords : BUTTON, TOGGLE ' Description : PICBASIC PRO program to read an analog voltage on RA0 ' and send the decimal representation of the value on the serial port ' at 2400 baud. 10-bit conversion yields 0-1023 result for 0-5 volt input. ' ' Define LOADER_USED to allow use of the boot loader. ' This will not affect normal program operation. Define LOADER_USED 1 ' Define ADCIN parameters Define ADC_BITS 10 ' Set number of bits in result Define ADC_CLOCK 3 ' Set clock source (3=rc) Define ADC_SAMPLEUS 50 ' Set sampling time in uS adval Var Word ' Create adval to store result TRISA = %11111111 ' Set PORTA to all input ADCON1 = %10000010 ' Set PORTA analog and right justify result mainloop: ADCIN 0, adval ' Read channel 0 to adval serout2 PORTC.6,396,["Value: ",DEC adval,13,10] ' Display value Pause 100 ' Wait .1 second Goto mainloop ' Do it forever End