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