Something is not wired right. Did you put pull-up resistors on the I2C lines? --- Graham
== On Wednesday, March 8, 2017 at 12:02:04 PM UTC-6, [email protected] wrote: > > Hi Guys, > > I’m struggling to get the device address (MPU-9250). i got to the > following stage: > > > root@beaglebone:~# sudo i2cdetect -r 0 > WARNING! This program can confuse your I2C bus, cause data loss and worse! > I will probe file /dev/i2c-0 using read byte commands. > I will probe address range 0x03-0x77. > Continue? [Y/n] y > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: — — — — — — — — — — — — — > 10: — — — — — — — — — — — — — — — — > 20: — — — — UU — — — — — — — — — — — > 30: — — — — UU — — — — — — — — — — — > 40: — — — — — — — — — — — — — — — — > 50: UU — — — — — — — — — — — — — — — > 60: — — — — — — — — — — — — — — — — > 70: UU — — — — — — — > root@beaglebone:~# sudo i2cdetect -r 1 > WARNING! This program can confuse your I2C bus, cause data loss and worse! > I will probe file /dev/i2c-1 using read byte commands. > I will probe address range 0x03-0x77. > Continue? [Y/n] y > 0 1 2 3 4 5 6 7 8 9 a b c d e f > 00: — — — — — — — — — — — — — > 10: — — — — — — — — — — — — — — — — > 20: — — — — — — — — — — — — — — — — > 30: — — — — — — — — — — — — — — — — > 40: — — — — — — — — — — — — — — — — > 50: — — — — UU UU UU UU — — — — — — — — > 60: — — — — — — — — — — — — — — — — > 70: — — — — — — — — > > > But even after connecting my device It is still the same (I mean it still > doesn't show the device's address). Any advise? > > 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/75fb4ff4-c38a-4072-b266-6b96da43efb2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
