Re: [avr-libc-dev] ADC Free Running Mode at several ADC channelspossible?

[David Breeze]

Thomas,

The ADC can only convert one channel at a time and therefore, only requires the 
one interrupt vector.
It is up to you to keep track of the current channel, which you can of course 
read back from the ADMUX register.

HTH
David

>>> Thomas Richter <address@hidden> 23 February 2007 14:53 >>>
Hi,

is it possible to run the ADC in Free Running Mode at several ADC 
channels (e.g. all 8 channels at ATmega128) by using 8 ISR ?

I'm not sure correct understanding the ATmega128 specification.

I think that I could start an ISR only at ONE ADC channel. If I would 
change the ADC channel then I could not use an ISR (or more than one 
ISR's, each for one ADC channel). Is it right?

Thanks for any help.

Regards,
Thomas



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