I have an I2C example running of Rev A5. Posted on the ADAFRUIT Beaglebone forum.
You can search for "HMC5883L compass, C programming" On Sun, Jul 27, 2014 at 7:58 PM, lintweaker <[email protected]> wrote: > I have a BBB rev C from elemen14. Everything is working fine, including > getting sound from a external DAC board connected through I2S. > One thing I cannot get to work is I2C. I have tried every possible I2C > port, at most I only get I2C controller timeouts. > > I have tried without any pullup resistors, 10k, 4k7 and 5k6 resistors. The > I2C devices (DAC chip @0x48 and serial EEPROM @ 0x50) never show up with > i2cdetect. > The same devices just work without a hitch on my raspberry pi (no pullup > needed). > > Any thoughts how to fix this? > I am running the stock BBB debian, kernel now up to 3.8.13-bone62. > > Thanks. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- John Stampfl -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
