Am Montag 27 April 2009 15:12:52 schrieb Manuel Naranjo: > Oliver Neukum escribió: > > You'd modify acm_tty_write() and strip the headers in acm_rx_tasklet() > > But are you sure you need all the serial stuff cdc-acm has to support? > Yes because my device is CDC-ACM compliant except for this data filter. > I know there are many devices that work this way, windows (I know it's > not a good comparison) provide an api where you provide your filter, and > you get the rest done by the OS. But how do you use setting baud rate and parity, etc ... on a bluetooth dongle? > I know the easy way is just copy/paste cdc-acm code, but maybe it's a > good idea to have a sort of framework like usb-serial does. Where you > extend the structure. You add a quirk which causes the probe() method to use another function here: acm->urb_task.func = acm_rx_tasklet; and tty_register_device(acm_tty_driver, minor, &control_interface->dev); In static int __init acm_init(void) you define a second driver with an altered set of tty_operations that defines a different acm_tty_write() Can you post "lsusb -v" for your device? Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
