[PATCH] Heartbeat LED for iBook
segher at kernel.crashing.org
Fri Feb 18 23:11:00 EST 2005
>>> Btw, howto control it via /dev/adb? Can you point me to a document
>>> which explains that?
>> Write a byte 0x06 followed by the PMU packet (all in one write());
>> read back the PMU reply (all in one read()).
> What exactly does 0x06 mean?
6 just means "send to PMU". It is a Linux thing, nothing to do
with the PMU itself.
> Flash led? Isn't there some kind of
> "bright-led" "5V,12V,24V" settings available? I mean I want to be able
> to change the brightness.
You can't change brightness on a LED. You can however make it blink,
say, a few hundred times per second, and change the duty-cycle.
> And what is the PMU packet? One Byte, two byte, value 0x2342?
Dunno what the exact command for this is.
> Please point me to a FM about adb.
What is a FM? And it has nothing to do with ADB.
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