Hi Greg, On Sun, Dec 27, 2009 at 10:40:29PM -0500, Forest Bond wrote: > On Sat, Dec 26, 2009 at 11:51:49AM -0500, Forest Bond wrote: > > As I understand it, the user space application wants a standard serial interface > > to the payment processing features of the device, so I need to expose a > > /dev/ttyUSBn device for that purpose. > > ... and it seems you already wrote an article that should be sufficient for me > to do this: > > http://www.linuxjournal.com/article/6573 > > Go ahead and disregard my last message. I should be able to do what I need to > do with what I have. I'm new to this. Is there anything obviously wrong with the following? It seems to work, FWIW. Any comments welcome, of course. #include <linux/kernel.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/usb/serial.h> #define DRIVER_VERSION "v1.00" #define DRIVER_DESC "ViVOpay Generic USB Serial Driver" #define VIVOPAY_VENDOR_ID 0x1d5f #define VIVOPAY_PRODUCT_ID 0x1004 static struct usb_device_id id_table [] = { { USB_DEVICE(VIVOPAY_VENDOR_ID, VIVOPAY_PRODUCT_ID) }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); static struct usb_driver vivopay_driver = { .name = "vivopay", .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, .no_dynamic_id = 1, }; static struct usb_serial_driver vivopay_device = { .driver = { .owner = THIS_MODULE, .name = "vivopay", }, .id_table = id_table, .usb_driver = &vivopay_driver, .num_ports = 1, .num_interrupt_in = 1, .num_bulk_in = 1, .num_bulk_out = 1, }; static int __init vivopay_init(void) { int retval; retval = usb_serial_register(&vivopay_device); if (retval) goto failed_usb_serial_register; retval = usb_register(&vivopay_driver); if (retval) goto failed_usb_register; printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" DRIVER_DESC "\n"); return 0; failed_usb_register: usb_serial_deregister(&vivopay_device); failed_usb_serial_register: return retval; } static void __exit vivopay_exit(void) { usb_deregister(&vivopay_driver); usb_serial_deregister(&vivopay_device); } module_init(vivopay_init); module_exit(vivopay_exit); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); Thanks, Forest -- Forest Bond http://www.alittletooquiet.net http://www.pytagsfs.org
Attachment:
signature.asc
Description: Digital signature
