87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
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/*
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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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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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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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#define RT_USB_DEVICE_CDC
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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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"UDISK",
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"12345678",
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"Config",
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"Interface",
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};
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rt_err_t rt_usb_device_init(const char* udc_name)
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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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uclass_t cls;
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RT_ASSERT(udc_name != RT_NULL);
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udc = rt_device_find(udc_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", udc_name);
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return -RT_ERROR;
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}
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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_create(ustring);
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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_create();
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#if defined RT_USB_DEVICE_MASS_STORAGE
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/* create a mass storage class object */
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cls = rt_usbd_class_mass_storage_create(udevice);
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#elif defined RT_USB_DEVICE_CDC
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/* create a cdc class object */
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cls = rt_usbd_class_cdc_create(udevice);
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#else
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#error
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#endif
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/* set device descriptor to the device */
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rt_usbd_device_set_descriptor(udevice, cls->dev_desc);
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/* add the mass storage class to the configuration */
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rt_usbd_config_add_class(cfg, cls);
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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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/* set default configuration to 1 */
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rt_usbd_set_config(udevice, 1);
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/* initialize usb device controller */
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rt_device_init(udc);
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return RT_EOK;
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}
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