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1/* KeyboardioScanner
2 * Copyright (C) 2015-2018 Keyboard.io, Inc
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#pragma once
24
25#define TWI_CMD_NONE 0x00
26#define TWI_CMD_VERSION 0x01
27#define TWI_CMD_KEYSCAN_INTERVAL 0x02
28#define TWI_CMD_LED_SET_ALL_TO 0x03
29#define TWI_CMD_LED_SET_ONE_TO 0x04
30#define TWI_CMD_COLS_USE_PULLUPS 0x05
31#define TWI_CMD_LED_SPI_FREQUENCY 0x06
32
33#define LED_SPI_FREQUENCY_4MHZ 0x07
34#define LED_SPI_FREQUENCY_2MHZ 0x06
35#define LED_SPI_FREQUENCY_1MHZ 0x05
36#define LED_SPI_FREQUENCY_512KHZ 0x04
37#define LED_SPI_FREQUENCY_256KHZ 0x03
38#define LED_SPI_FREQUENCY_128KHZ 0x02
39#define LED_SPI_FREQUENCY_64KHZ 0x01
40#define LED_SPI_OFF 0x00
41
42
43// 512KHZ seems to be the sweet spot in early testing
44// so make it the default
45#define LED_SPI_FREQUENCY_DEFAULT LED_SPI_FREQUENCY_512KHZ
46
47
48#define TWI_CMD_LED_BASE 0x80
49
50#define TWI_REPLY_NONE 0x00
51#define TWI_REPLY_KEYDATA 0x01