usbhid.h

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//
// usbhid.h
//
// USPi - An USB driver for Raspberry Pi written in C
// Copyright (C) 2014  R. Stange <rsta2@o2online.de>
// 
// 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 3 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, see <http://www.gnu.org/licenses/>.
//
#ifndef _uspi_usbhid_h
#define _uspi_usbhid_h
 
#include "uspi/macros.h"
 
// Class-specific requests
#define GET_REPORT          0x01
#define GET_IDLE            0x02
#define GET_PROTOCOL        0x03
#define SET_REPORT          0x09
#define SET_IDLE            0x0A
#define SET_PROTOCOL        0x0B
 
// Class-specific descriptors
#define DESCRIPTOR_HID      0x21
#define DESCRIPTOR_REPORT   0x22
 
// Protocol IDs
#define BOOT_PROTOCOL       0x00
#define REPORT_PROTOCOL     0x01
 
// Report types
#define REPORT_TYPE_INPUT   0x01
#define REPORT_TYPE_OUTPUT  0x02
#define REPORT_TYPE_FEATURE 0x03
 
#pragma pack(push,1)
typedef struct TUSBHIDDescriptor
{
    unsigned char   bLength;
    unsigned char   bDescriptorType;
    unsigned short  bcdHID;
    unsigned char   bCountryCode;
    unsigned char   bNumDescriptors;
    unsigned char   bReportDescriptorType;
    unsigned short  wReportDescriptorLength;
}TUSBHIDDescriptor;
#pragma pack(pop)
//PACKED TUSBHIDDescriptor;
 
// Modifiers (boot protocol)
#define LCTRL       (1 << 0)
#define LSHIFT      (1 << 1)
#define ALT     (1 << 2)
#define LWIN        (1 << 3)
#define RCTRL       (1 << 4)
#define RSHIFT      (1 << 5)
#define ALTGR       (1 << 6)
#define RWIN        (1 << 7)
 
// LEDs (boot protocol)
#define LED_NUM_LOCK    (1 << 0)
#define LED_CAPS_LOCK   (1 << 1)
#define LED_SCROLL_LOCK (1 << 2)
 
// Mouse buttons (boot protocol)
#define USBHID_BUTTON1  (1 << 0)
#define USBHID_BUTTON2  (1 << 1)
#define USBHID_BUTTON3  (1 << 2)
 
#endif