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Subject: Re: Rombox: won't charge when batteries are dead

Re: Rombox: won't charge when batteries are dead

From: <>
Date: Wed, 16 Jul 2003 16:09:24 +0200 (MEST)

> > Alternatively, you could initialize current_channel to 7, not 0; or read
> > the lot at once in adc_init() to initialize properly without an 8 tick
> > delay.
> Nope, you can't read it directly. The ADC needs some time to convert the
> value (I think it takes about ~28 µs with the current code). That's one
> reason for doing one conversion per tick (which is a simple, and for
> most purposes, good enough solution).

I think adc_init() should do initial measurements, so after that's been
called you can query the values right away. I'm not concerned about this function
blocking for 8 * ~28 µs, that's still way better that waiting for 8 ticks.

Just my $0.02

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Received on 2003-07-16

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