73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* File : usbhost.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2011, 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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* 2011-12-12 Yi Qiu first version
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*/
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#include <rtthread.h>
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#include <drivers/usb_host.h>
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#define USB_HOST_CONTROLLER_NAME "usbh"
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#if defined(RT_USBH_HID_KEYBOARD) || defined(RT_USBH_HID_MOUSE)
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#include <hid.h>
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#endif
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/**
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* This function will initialize the usb host stack, all the usb class driver and
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* host controller driver are also be initialized here.
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*
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* @return none.
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*/
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rt_err_t rt_usb_host_init(void)
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{
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ucd_t drv;
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rt_device_t uhc;
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uhc = rt_device_find(USB_HOST_CONTROLLER_NAME);
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if(uhc == RT_NULL)
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{
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rt_kprintf("can't find usb host controller %s\n", USB_HOST_CONTROLLER_NAME);
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return -RT_ERROR;
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}
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/* initialize usb hub */
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rt_usbh_hub_init((uhcd_t)uhc);
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/* initialize class driver */
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rt_usbh_class_driver_init();
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#ifdef RT_USBH_MSTORAGE
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/* register mass storage class driver */
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drv = rt_usbh_class_driver_storage();
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rt_usbh_class_driver_register(drv);
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#endif
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/* register hub class driver */
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drv = rt_usbh_class_driver_hub();
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rt_usbh_class_driver_register(drv);
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/* initialize usb host controller */
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rt_device_init(uhc);
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return RT_EOK;
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}
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