qmk_firmware/quantum/api.h

/* Copyright 2016 Jack Humbert
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _API_H_
#define _API_H_

#ifdef __AVR__
#    include "lufa.h"
#endif

enum MESSAGE_TYPE {
    MT_GET_DATA       = 0x10,  // Get data from keyboard
    MT_GET_DATA_ACK   = 0x11,  // returned data to process (ACK)
    MT_SET_DATA       = 0x20,  // Set data on keyboard
    MT_SET_DATA_ACK   = 0x21,  // returned data to confirm (ACK)
    MT_SEND_DATA      = 0x30,  // Sending data/action from keyboard
    MT_SEND_DATA_ACK  = 0x31,  // returned data/action confirmation (ACK)
    MT_EXE_ACTION     = 0x40,  // executing actions on keyboard
    MT_EXE_ACTION_ACK = 0x41,  // return confirmation/value (ACK)
    MT_TYPE_ERROR     = 0x80   // type not recognised (ACK)
};

enum DATA_TYPE { DT_NONE = 0x00, DT_HANDSHAKE, DT_DEFAULT_LAYER, DT_CURRENT_LAYER, DT_KEYMAP_OPTIONS, DT_BACKLIGHT, DT_RGBLIGHT, DT_UNICODE, DT_DEBUG, DT_AUDIO, DT_QUANTUM_ACTION, DT_KEYBOARD_ACTION, DT_USER_ACTION, DT_KEYMAP_SIZE, DT_KEYMAP };

void     dword_to_bytes(uint32_t dword, uint8_t* bytes);
uint32_t bytes_to_dword(uint8_t* bytes, uint8_t index);

#define MT_GET_DATA(data_type, data, length) SEND_BYTES(MT_GET_DATA, data_type, data, length)
#define MT_GET_DATA_ACK(data_type, data, length) SEND_BYTES(MT_GET_DATA_ACK, data_type, data, length)
#define MT_SET_DATA(data_type, data, length) SEND_BYTES(MT_SET_DATA, data_type, data, length)
#define MT_SET_DATA_ACK(data_type, data, length) SEND_BYTES(MT_SET_DATA_ACK, data_type, data, length)
#define MT_SEND_DATA(data_type, data, length) SEND_BYTES(MT_SEND_DATA, data_type, data, length)
#define MT_SEND_DATA_ACK(data_type, data, length) SEND_BYTES(MT_SEND_DATA_ACK, data_type, data, length)
#define MT_EXE_ACTION(data_type, data, length) SEND_BYTES(MT_EXE_ACTION, data_type, data, length)
#define MT_EXE_ACTION_ACK(data_type, data, length) SEND_BYTES(MT_EXE_ACTION_ACK, data_type, data, length)

void process_api(uint16_t length, uint8_t* data);

__attribute__((weak)) bool process_api_quantum(uint8_t length, uint8_t* data);

__attribute__((weak)) bool process_api_keyboard(uint8_t length, uint8_t* data);

__attribute__((weak)) bool process_api_user(uint8_t length, uint8_t* data);

#endif