How could these program compiled?

[Ghulam Mustafa]

Hello,

I have found this program and is working wel for AVR ATmega16 for ADC conversion and wanted to share

 

I found it in Avr Microcontroller’s Book by Mazidi

.INCLUDE “M16DEF.INC”

LDI R16,0xFF

OUT DDRB,R16

OUT DDRD,R16

LDI R16,0

OUT DDRA, R16

LDI R16,0x87

OUT ADCSRA,R16

LDI R16,0xC0

OUT ADMUX, R16

 

READ_ADC:

SBI ADCSRA,ADSC

KEEP_POLING:

SBIS ADCSRA,ADIF

RJMP KEEP_POLING

SBI ADCSRA,ADIF

IN R16,ADCL

OUT PORTB,R16

IN R16,ADCH

OUT PORTD,R16

RJMP READ_ADC

 

[Amrith]

Hi Ghulam,

Strange issue. I’m working on it, will let you know if any solution found. Till then keep trying to solve it.

[Author]

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