About ADC driver.

Hi, I have a ADC board which convert analog data to digital data. I use software to tirgger the AD Convert. But once the AD Convert is started, there is no way to stop it.It will produce interrupt all the time, even I do not start another AD Convert.

Do all the ADC device work like this?

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Rich Webb     Norfolk, VA
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Rich Webb


Most ADC's have one command to acquire data from one channel. Others have commands to scan all channels, and some ADC's have commands to do a continuous scan of either on channel, a group, or all channels. So what you need to do is look carefully at the command set to insure you are using the correct start command. In addition, some ADC's can be configured to raise (or not) an interrupt.


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Dave Boland

Can you please tell the ADC that you are using ?

Karthik Balaguru

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