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标题: ARM做为USB从设备的实现 [打印本页]

作者: yuyang911220 时间: 2015-5-30 09:19 标题: ARM做为USB从设备的实现

ARM做为USB从设备的实现,在linux内核中有例程,很遗憾,不能直接拿过来用.

主要有两方面原因:
1,内核缺少一个头文件.
#include/linux/usb/g_hid.h
时间太久了,记得不太清楚.好像是这个文件.从网上down下来之后,扔到内核头文件里面即可.
里面的内容为:
[cpp] view plain copy

/*
* g_hid.h -- Header file for USB HID gadget driver
*
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_USB_G_HID_H
#define __LINUX_USB_G_HID_H
struct hidg_func_descriptor {
unsigned char subclass;
unsigned char protocol;
unsigned short report_length;
unsigned short report_desc_length;
unsigned char report_desc[];
};
#endif /* __LINUX_USB_G_HID_H */

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