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ME Labs, Inc. | 1-719-520-5323 | Example Program - ADCINX4.pbp

PICBASIC PRO program to display result of 8-bit A/D conversion on LCD.
' Name        : ADCINX4.pbp
' Compiler    : PICBASIC PRO Compiler 2.6
' Assembler   : PM or MPASM
' Target PIC  : PIC12F683
' Hardware    : LAB-X4 Experimenter Board
' Oscillator  : 4MHz internal
' Keywords    : ADCIN, SEROUT
' Description : PICBASIC PRO program to display result of 8-bit A/D
' conversion on LCD.
'

Include "modedefs.bas"  ' Mode definitions for Serout

' Define ADCIN parameters
Define ADC_BITS     8   ' Set number of bits in result
Define ADC_CLOCK    3   ' Set clock source (3=rc)
Define ADC_SAMPLEUS 50  ' Set sampling time in uS

LCD Var GPIO.1          ' LCD TX pin

adval Var byte          ' Create adval to store result

   ANSEL = %00111000    ' Set AN3 analog, rest digital
   CMCON0 = 7           ' Analog comparators off
   Pause 500            ' Wait .5 second for LCD to init

mainloop:
   ADCIN 3, adval       ' Read channel 3 to adval

   Serout LCD, T2400, [$fe, 1]  ' Clear screen
   Serout LCD, T2400, ["Value: ", #adval] ' Display the decimal value  
   Pause 100            ' Wait .1 second
   Goto mainloop        ' Do it forever

   End

           

Download the program file.