/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* 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.
*
* This file is part of the TinyUSB stack.
*/
#ifndef _TUSB_HID_DEVICE_H_
#define _TUSB_HID_DEVICE_H_
#include "common/tusb_common.h"
#include "device/usbd.h"
#include "hid.h"
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
// Class Driver Default Configure & Validation
//--------------------------------------------------------------------+
#ifndef CFG_TUD_HID_BUFSIZE
#define CFG_TUD_HID_BUFSIZE 16
#endif
//--------------------------------------------------------------------+
// Application API
//--------------------------------------------------------------------+
// Check if the interface is ready to use
bool tud_hid_ready(void);
// Check if current mode is Boot (true) or Report (false)
bool tud_hid_boot_mode(void);
// Send report to host
bool tud_hid_report(uint8_t report_id, void const* report, uint8_t len);
// KEYBOARD: convenient helper to send keyboard report if application
// use template layout report as defined by hid_keyboard_report_t
bool tud_hid_keyboard_report(uint8_t report_id, uint8_t modifier, uint8_t keycode[6]);
// MOUSE: convenient helper to send mouse report if application
// use template layout report as defined by hid_mouse_report_t
bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8_t x, int8_t y, int8_t vertical, int8_t horizontal);
//--------------------------------------------------------------------+
// Callbacks (Weak is optional)
//--------------------------------------------------------------------+
// Invoked when received GET HID REPORT DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
uint8_t const * tud_hid_descriptor_report_cb(void);
// Invoked when received GET_REPORT control request
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request
uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
// Invoked when received SET_REPORT control request or
// received data on OUT endpoint ( Report ID = 0, Type = 0 )
void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
// Invoked when received SET_PROTOCOL request ( mode switch Boot <-> Report )
TU_ATTR_WEAK void tud_hid_boot_mode_cb(uint8_t boot_mode);
// Invoked when received SET_IDLE request. return false will stall the request
// - Idle Rate = 0 : only send report if there is changes, i.e skip duplication
// - Idle Rate > 0 : skip duplication, but send at least 1 report every idle rate (in unit of 4 ms).
TU_ATTR_WEAK bool tud_hid_set_idle_cb(uint8_t idle_rate);
/* --------------------------------------------------------------------+
* HID Report Descriptor Template
*
* Convenient for declaring popular HID device (keyboard, mouse, consumer,
* gamepad etc...). Templates take "HID_REPORT_ID(n)" as input, leave
* empty if multiple reports is not used
*
* - Only 1 report: no parameter
* uint8_t const report_desc[] = { TUD_HID_REPORT_DESC_KEYBOARD() };
*
* - Multiple Reports: "HID_REPORT_ID(ID)" must be passed to template
* uint8_t const report_desc[] =
* {
* TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(1) ) ,
* TUD_HID_REPORT_DESC_MOUSE ( HID_REPORT_ID(2) )
* };
*--------------------------------------------------------------------*/
// Keyboard Report Descriptor Template
#define TUD_HID_REPORT_DESC_KEYBOARD(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_KEYBOARD ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 8 bits Modifier Keys (Shfit, Control, Alt) */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_KEYBOARD ) ,\
HID_USAGE_MIN ( 224 ) ,\
HID_USAGE_MAX ( 231 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
HID_REPORT_COUNT ( 8 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* 8 bit reserved */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
/* 6-byte Keycodes */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_KEYBOARD ) ,\
HID_USAGE_MIN ( 0 ) ,\
HID_USAGE_MAX ( 255 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 255 ) ,\
HID_REPORT_COUNT ( 6 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* 5-bit LED Indicator Kana | Compose | ScrollLock | CapsLock | NumLock */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_LED ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 5 ) ,\
HID_REPORT_COUNT ( 5 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_OUTPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* led padding */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 3 ) ,\
HID_OUTPUT ( HID_CONSTANT ) ,\
HID_COLLECTION_END \
// Mouse Report Descriptor Template
#define TUD_HID_REPORT_DESC_MOUSE(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_MOUSE ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
HID_USAGE ( HID_USAGE_DESKTOP_POINTER ) ,\
HID_COLLECTION ( HID_COLLECTION_PHYSICAL ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_BUTTON ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 5 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
/* Left, Right, Middle, Backward, Forward buttons */ \
HID_REPORT_COUNT( 5 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* 3 bit padding */ \
HID_REPORT_COUNT( 1 ) ,\
HID_REPORT_SIZE ( 3 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
/* X, Y position [-127, 127] */ \
HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_REPORT_COUNT( 2 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ) ,\
/* Verital wheel scroll [-127, 127] */ \
HID_USAGE ( HID_USAGE_DESKTOP_WHEEL ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_REPORT_COUNT( 1 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_CONSUMER ), \
/* Horizontal wheel scroll [-127, 127] */ \
HID_USAGE_N ( HID_USAGE_CONSUMER_AC_PAN, 2 ), \
HID_LOGICAL_MIN ( 0x81 ), \
HID_LOGICAL_MAX ( 0x7f ), \
HID_REPORT_COUNT( 1 ), \
HID_REPORT_SIZE ( 8 ), \
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ), \
HID_COLLECTION_END , \
HID_COLLECTION_END \
// Consumer Control Report Descriptor Template
#define TUD_HID_REPORT_DESC_CONSUMER(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_CONSUMER ) ,\
HID_USAGE ( HID_USAGE_CONSUMER_CONTROL ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
HID_LOGICAL_MIN ( 0x00 ) ,\
HID_LOGICAL_MAX_N( 0x03FF, 2 ) ,\
HID_USAGE_MIN ( 0x00 ) ,\
HID_USAGE_MAX_N ( 0x03FF, 2 ) ,\
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 16 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
HID_COLLECTION_END \
/* System Control Report Descriptor Template
* 0x00 - do nothing
* 0x01 - Power Off
* 0x02 - Standby
* 0x04 - Wake Host
*/
#define TUD_HID_REPORT_DESC_SYSTEM_CONTROL(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_CONTROL ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 2 bit system power control */ \
HID_LOGICAL_MIN ( 1 ) ,\
HID_LOGICAL_MAX ( 3 ) ,\
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 2 ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_SLEEP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_POWER_DOWN ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_WAKE_UP ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* 6 bit padding */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 6 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
HID_COLLECTION_END \
// Gamepad Report Descriptor Template
// with 16 buttons and 2 joysticks with following layout
// | Button Map (2 bytes) | X | Y | Z | Rz
#define TUD_HID_REPORT_DESC_GAMEPAD(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_GAMEPAD ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 16 bit Button Map */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_BUTTON ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 16 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
HID_REPORT_COUNT ( 16 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* X, Y, Z, Rz (min -127, max 127 ) */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Z ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_RZ ) ,\
HID_REPORT_COUNT ( 4 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
HID_COLLECTION_END \
// HID Generic Input & Output
// - 1st parameter is report size (mandatory)
// - 2nd parameter is report id HID_REPORT_ID(n) (optional)
#define TUD_HID_REPORT_DESC_GENERIC_INOUT(report_size, ...) \
HID_USAGE_PAGE_N ( HID_USAGE_PAGE_VENDOR, 2 ),\
HID_USAGE ( 0x01 ),\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ),\
/* Report ID if any */\
__VA_ARGS__ \
/* Input */ \
HID_USAGE ( 0x02 ),\
HID_LOGICAL_MIN ( 0x00 ),\
HID_LOGICAL_MAX ( 0xff ),\
HID_REPORT_SIZE ( 8 ),\
HID_REPORT_COUNT( report_size ),\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ),\
/* Output */ \
HID_USAGE ( 0x03 ),\
HID_LOGICAL_MIN ( 0x00 ),\
HID_LOGICAL_MAX ( 0xff ),\
HID_REPORT_SIZE ( 8 ),\
HID_REPORT_COUNT( report_size ),\
HID_OUTPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ),\
HID_COLLECTION_END \
//--------------------------------------------------------------------+
// Internal Class Driver API
//--------------------------------------------------------------------+
void hidd_init (void);
void hidd_reset (uint8_t rhport);
uint16_t hidd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
bool hidd_control_request (uint8_t rhport, tusb_control_request_t const * request);
bool hidd_control_complete (uint8_t rhport, tusb_control_request_t const * request);
bool hidd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
#ifdef __cplusplus
}
#endif
#endif /* _TUSB_HID_DEVICE_H_ */