oandrew
commented
6 years ago Hi! Most likely the usb controller driver is not in dual-role mode (when it can be a host or a device).
this tutorial might help: https://learn.adafruit.com/turning-your-raspberry-pi-zero-into-a-usb-gadget/overview
Hello! I am trying to compile this project on a Raspberry Pi W. I did read the other issues submitted here and I was able to compile the module (.ko) successfully but cannot load the driver successfully. I do not see the
/dev/iap0fileI do not get any error messages while insmod. Here is the output of my dmesg:
[ 947.290461] g_ipod_audio: loading out-of-tree module taints kernel.
[ 947.291711] ** [ 947.291715] NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE [ 947.291720] [ 947.291725] trace_printk() being used. Allocating extra memory. [ 947.291729] [ 947.291733] This means that this is a DEBUG kernel and it is [ 947.291737] unsafe for production use. [ 947.291741] [ 947.291745] If you see this message and you are not debugging [ 947.291750] the kernel, report this immediately to your vendor! [ 947.291754] [ 947.291757] NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE [ 947.291761] ** [ 968.196558] ipod-gadget: init [ 968.196581] udc-core: couldn't find an available UDC - added [g_ipod] to list of pending drivers
Output of my lsmod:
Module Size Used by g_ipod_gadget 5064 0 g_ipod_hid 10037 0 g_ipod_audio 9098 0 libcomposite 48212 3 g_ipod_gadget,g_ipod_hid,g_ipod_audio udc_core 38862 3 g_ipod_hid,libcomposite,g_ipod_audio cmac 3230 1 bnep 11981 2 hci_uart 26546 1 btbcm 8248 1 hci_uart serdev 9370 1 hci_uart bluetooth 366847 24 hci_uart,bnep,btbcm ecdh_generic 17649 1 bluetooth brcmfmac 273198 0 brcmutil 9114 1 brcmfmac snd_bcm2835 22991 0 snd_pcm 89590 2 snd_bcm2835,g_ipod_audio cfg80211 542242 1 brcmfmac snd_timer 22396 1 snd_pcm rfkill 21476 6 bluetooth,cfg80211 snd 60154 4 snd_timer,snd_bcm2835,g_ipod_audio,snd_pcm uio_pdrv_genirq 3718 0 uio 9901 1 uio_pdrv_genirq fixed 3033 0 ip_tables 12427 0 x_tables 22098 1 ip_tables ipv6 401778 22
Please Help /\