request.c

usbport-sl811usb主控器芯片usb程序实现

/*
 * Copyright (c) 2006, Benedikt Sauter <[e-mail]>
 * All rights reserved.
 *
 * Short descripton of file:
 *
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials provided 
 *     with the distribution.
 *   * Neither the name of the FH Augsburg nor the names of its 
 *     contributors may be used to endorse or promote products derived 
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "usb11spec.h"
#include "request.h"

void usb_get_device_descriptor(char *buf, uint8 len)
{
	//struct usb_device_request * req = (struct usb_device_request*)buf;
	// 0x80,0x06,0x00,0x01, 0x00,0x00,0x40,0x00
	buf[0] = 0x80;
	buf[1] = 0x06;
	buf[2] = 0x00;
	buf[3] = 0x01;
	buf[4] = 0x00;
	buf[5] = 0x00;
	buf[6] = len;
	buf[7] = 0x00;
	/*
	req->bmRequestType=0x80;
	req->bRequest=GET_DESCRIPTOR;
	req->wValue=DEVICE;
	req->wIndex=0x0000;
	req->wLength=len<<8;
	*/
}

void usb_set_address(char *buf, uint8 addr)
{
	buf[0] = 0x00;
	buf[1] = 0x05;
	buf[2] = addr;
	buf[3] = 0x00;
	buf[4] = 0x00;
	buf[5] = 0x00;
	buf[6] = 0x00;
	buf[7] = 0x00;
}