Slow i2cdetect means is probably something with your wiring or a defekt i2c-device. Best to check all connectors, the wiring and pull-up resistors.
Am Samstag, 17. September 2016 19:24:34 UTC+2 schrieb Joshua Woods: > > I was able to use all the i2c functions yesterday and then today when I > try to use them nothing happens. When I run the i2cdetect command it > scrolls really slow checking the different addresses. > > this is what is printed when i run the dmesg -Hw | grep i2c > > root@beaglebone:/dev# dmesg -Hw | grep i2c > [ +0.000576] omap_i2c 44e0b000.i2c: could not find pctldev for node > /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring > probe > [ +0.000049] omap_i2c 4819c000.i2c: could not find pctldev for node > /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c2_pins, deferring > probe > [ +0.000974] i2c /dev entries driver > [ +0.002614] input: tps65217_pwr_but as > /devices/platform/ocp/44e0b000.i2c/i2c-0/0-0024/input/input0 > [ +0.000238] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz > [ +0.000038] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz > [ +0.055853] omap_i2c 4802a000.i2c: bus 1 rev0.11 at 100 kHz > [ +33.972129] omap_i2c 4802a000.i2c: timeout waiting for bus ready > [ +1.008219] omap_i2c 4802a000.i2c: timeout waiting for bus ready > [ +1.007780] omap_i2c 4802a000.i2c: timeout waiting for bus ready > [ +1.008001] omap_i2c 4802a000.i2c: timeout waiting for bus ready > [ +1.007981] omap_i2c 4802a000.i2c: timeout waiting for bus ready > [ +1.008231] omap_i2c 4802a000.i2c: timeout waiting for bus ready > > I am not sure what is tying the bus up and why it is not ready > > any help is appreciated > and I did try to reboot it but that did not seem to help > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/e60a3d14-b8e9-479a-a636-3d273f5e98de%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
