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/*
* File : usbdevice.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2012, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2012-10-02 Yi Qiu first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rtservice.h>
#ifdef RT_USING_USB_DEVICE
#define USB_DEVICE_CONTROLLER_NAME "usbd"
#ifdef RT_USB_DEVICE_COMPOSITE
const static char* ustring[] =
{
"Language",
"RT-Thread Team.",
"RTT Composite Device",
"320219198301",
"Configuration",
"Interface",
};
#endif
#ifdef RT_USB_DEVICE_COMPOSITE
static struct udevice_descriptor compsit_desc =
{
USB_DESC_LENGTH_DEVICE, //bLength;
USB_DESC_TYPE_DEVICE, //type;
USB_BCD_VERSION, //bcdUSB;
USB_CLASS_MISC, //bDeviceClass;
0x02, //bDeviceSubClass;
0x01, //bDeviceProtocol;
0x40, //bMaxPacketSize0;
_VENDOR_ID, //idVendor;
_PRODUCT_ID, //idProduct;
USB_BCD_DEVICE, //bcdDevice;
USB_STRING_MANU_INDEX, //iManufacturer;
USB_STRING_PRODUCT_INDEX, //iProduct;
USB_STRING_SERIAL_INDEX, //iSerialNumber;
USB_DYNAMIC, //bNumConfigurations;
};
#endif
rt_err_t rt_usb_device_init(void)
{
rt_device_t udc;
udevice_t udevice;
uconfig_t cfg;
ufunction_t func;
/* create and startup usb device thread */
rt_usbd_core_init();
/* create a device object */
udevice = rt_usbd_device_new();
udc = rt_device_find(USB_DEVICE_CONTROLLER_NAME);
if(udc == RT_NULL)
{
rt_kprintf("can't find usb device controller %s\n", USB_DEVICE_CONTROLLER_NAME);
return -RT_ERROR;
}
/* set usb controller driver to the device */
rt_usbd_device_set_controller(udevice, (udcd_t)udc);
/* create a configuration object */
cfg = rt_usbd_config_new();
#ifdef RT_USB_DEVICE_MSTORAGE
/* create a mass storage function object */
func = rt_usbd_function_mstorage_create(udevice);
/* add the function to the configuration */
rt_usbd_config_add_function(cfg, func);
#endif
#ifdef RT_USB_DEVICE_CDC
/* create a cdc function object */
func = rt_usbd_function_cdc_create(udevice);
/* add the function to the configuration */
rt_usbd_config_add_function(cfg, func);
#endif
#ifdef RT_USB_DEVICE_RNDIS
/* create a rndis function object */
func = rt_usbd_function_rndis_create(udevice);
/* add the function to the configuration */
rt_usbd_config_add_function(cfg, func);
#endif
/* set device descriptor to the device */
#ifdef RT_USB_DEVICE_COMPOSITE
rt_usbd_device_set_descriptor(udevice, &compsit_desc);
rt_usbd_device_set_string(udevice, ustring);
#else
rt_usbd_device_set_descriptor(udevice, func->dev_desc);
#endif
/* add the configuration to the device */
rt_usbd_device_add_config(udevice, cfg);
/* initialize usb device controller */
rt_device_init(udc);
/* set default configuration to 1 */
rt_usbd_set_config(udevice, 1);
return RT_EOK;
}
#endif
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