I am trying to use the g_serial module for USB communications on an Intel
PXA2XX.
I have been able to use the module to talk to another PC running linux just
by doing the following:
Gadget side : # modprobe g_serial
Host side : # modprobe usbserial vendor=0525 product=a4a6
Gadget side : # minicom /dev/ttygserial
Host side : # minicom /dev/ttyUSB0
However, I need to talk to a Windows machine and I believe that I need to
use the g_serial module with ACM support. But this does not work:
Gadget side : # modprobe g_serial use_acm=1
- gs_bind: Cannot run ACM on pxa2xx_udc
- gs_bind: cannot autoconfigure on pxa2xx_udc
- gs_module_init: cannot register gadget driver, ret=19
- FATAL: Error inserting
g_serial(/lib/modules/2.6.16.28-arcom1-viper/kernel/drivers/usb/gadget/g_ser
ial.ko): No such device
Has anyone had success using the g_serial module with using the pxa2xx_udc
driver? Or is there someway to interface with windows without using the ACM
option?
Thanks
Jacob Smit
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