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ME Labs, Inc. | 1-719-520-5323 | Example Program - ADCIN8.pbpPICBASIC PRO program to display result of 8-bit A/D conversion on LCD. Connect analog input to channel-0 (RA0).' Name : ADCIN8.pbp ' Compiler : PICBASIC PRO Compiler 2.6 ' Assembler : PM or MPASM ' Target PIC : 40-pin 16F, 18F types ' Hardware : Lab-X1 or Lab-X2 board ' Oscillator : 4MHz internal or external ' Keywords : ADCIN, LCDOUT ' Description : PICBASIC PRO program to display result of 8-bit ' A/D conversion on LCD. Connect analog input to channel-0 (RA0). ' ' Define LCD registers and bits Define LCD_DREG PORTD Define LCD_DBIT 4 Define LCD_RSREG PORTE Define LCD_RSBIT 0 Define LCD_EREG PORTE Define LCD_EBIT 1 ' 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 adval Var byte ' Create adval to store result TRISA = %11111111 ' Set PORTA to all input ADCON1 = %00000010 ' Set PORTA analog Low PORTE.2 ' LCD R/W line low (W) Pause 500 ' Wait .5 second mainloop: ADCIN 0, adval ' Read channel 0 to adval Lcdout $fe, 1 ' Clear LCD Lcdout "Value: ", DEC adval ' Display the decimal value Pause 100 ' Wait .1 second Goto mainloop ' Do it forever End Download the program file. |
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