Op 03-02-11 16:03, Wolfgang Spraul schreef: >> Indeed we don't. A completely empty battery takes about 180 mA; it >> doesn't matter if it comes from a computer (4,5 V for me, but that's >> really too low) or a wall charger (4,7 V). > > Interesting. Is it programmable to draw more, or always just 180mA?
I don't know. I haven't yet managed to talk to the battery circuit at all so far. Linux can somehow see things about the remaining capacity, I don't know where it gets that info from. Perhaps it's only a measurement with its ADC; in that case no communication is possible. It doesn't happen over i2c, and I don't think there are many other pins available, so I'm not optimistic about doing anything here. I hoped to be able to control the charging LED, but that doesn't seem to be possible either. If anyone has info about how to do this (or pointers to Linux source files which read the capacity), I'm interested. :-)
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