diff options
author | Jack Humbert <jack.humb@gmail.com> | 2015-10-27 12:42:30 -0400 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2015-10-27 12:42:30 -0400 |
commit | 547da78335298df6666200c6063ac6f1aba312fd (patch) | |
tree | 47df0252ee24b1ecc27b9dd0458c51f20bf088c3 /tmk_core/common/keyboard.h | |
parent | a766918d5c48204375f4c207b30bbbf1389df14f (diff) | |
parent | fa33719adab1393753312d298b8c365e04e844b9 (diff) |
merging tmk
Diffstat (limited to 'tmk_core/common/keyboard.h')
-rw-r--r-- | tmk_core/common/keyboard.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tmk_core/common/keyboard.h b/tmk_core/common/keyboard.h new file mode 100644 index 0000000000..7738251b64 --- /dev/null +++ b/tmk_core/common/keyboard.h @@ -0,0 +1,74 @@ +/* +Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com> + +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 KEYBOARD_H +#define KEYBOARD_H + +#include <stdbool.h> +#include <stdint.h> + + +#ifdef __cplusplus +extern "C" { +#endif + +/* key matrix position */ +typedef struct { + uint8_t col; + uint8_t row; +} keypos_t; + +/* key event */ +typedef struct { + keypos_t key; + bool pressed; + uint16_t time; +} keyevent_t; + +/* equivalent test of keypos_t */ +#define KEYEQ(keya, keyb) ((keya).row == (keyb).row && (keya).col == (keyb).col) + +/* Rules for No Event: + * 1) (time == 0) to handle (keyevent_t){} as empty event + * 2) Matrix(255, 255) to make TICK event available + */ +static inline bool IS_NOEVENT(keyevent_t event) { return event.time == 0 || (event.key.row == 255 && event.key.col == 255); } +static inline bool IS_PRESSED(keyevent_t event) { return (!IS_NOEVENT(event) && event.pressed); } +static inline bool IS_RELEASED(keyevent_t event) { return (!IS_NOEVENT(event) && !event.pressed); } + +/* Tick event */ +#define TICK (keyevent_t){ \ + .key = (keypos_t){ .row = 255, .col = 255 }, \ + .pressed = false, \ + .time = (timer_read() | 1) \ +} + + +/* it runs once at early stage of startup before keyboard_init. */ +void keyboard_setup(void); +/* it runs once after initializing host side protocol, debug and MCU peripherals. */ +void keyboard_init(void); +/* it runs repeatedly in main loop */ +void keyboard_task(void); +/* it runs when host LED status is updated */ +void keyboard_set_leds(uint8_t leds); + +#ifdef __cplusplus +} +#endif + +#endif |