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/*
* Copyright (c) 2012
* Lars-Dominik Braun <lars@6xq.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef _USB_H
#define _USB_H
#include <stdint.h>
#include "device.h"
#include "common.h"
typedef enum {
HIDPP_PERROR_OK = 0, /* not an error */
HIDPP_PERROR_UNKNOWN = 1,
HIDPP_PERROR_INVALID_ARGUMENT = 2,
HIDPP_PERROR_OUT_OF_RANGE = 3,
HIDPP_PERROR_HWERROR = 4,
HIDPP_PERROR_LOGITECH_INTERNAL = 5,
HIDPP_PERROR_INVALID_FEATURE = 6,
HIDPP_PERROR_INVALID_FUNCTION = 7,
HIDPP_PERROR_BUSY = 8,
HIDPP_PERROR_UNSUPPORTED = 9,
} hidppPacketError_t;
#define HIDPP_MAX_PACKETLEN 32
/* HID++ packet sent over USB */
typedef struct {
uint8_t id;
hidppDeviceId_t devId;
uint8_t featureIdx;
uint8_t function;
uint8_t softwareId;
/* make sure we have enough room for at least one \0 too */
uint8_t args[HIDPP_MAX_PACKETLEN];
hidppPacketError_t error;
} hidppPacket_t;
void hidppUsbDeviceOpen (libusb_device * const dev, libusb_device_handle **handle);
void hidppUsbDeviceClose (libusb_device_handle *handle);
hidppReturn_t hidppUsbRequest (hidppDevice_t * const d,
const hidppFeatureId_t feature, const uint8_t function,
const uint8_t * const args, const size_t argsCount,
hidppPacket_t * const rp);
#endif /* _USB_H */
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