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Diffstat (limited to 'quantum/keyboard.c')
| -rw-r--r-- | quantum/keyboard.c | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/quantum/keyboard.c b/quantum/keyboard.c new file mode 100644 index 0000000000..b98fc64e45 --- /dev/null +++ b/quantum/keyboard.c @@ -0,0 +1,569 @@ +/* +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/>. +*/ + +#include <stdint.h> +#include "keyboard.h" +#include "matrix.h" +#include "keymap.h" +#include "host.h" +#include "led.h" +#include "keycode.h" +#include "timer.h" +#include "sync_timer.h" +#include "print.h" +#include "debug.h" +#include "command.h" +#include "util.h" +#include "sendchar.h" +#include "eeconfig.h" +#include "action_layer.h" +#ifdef BACKLIGHT_ENABLE +# include "backlight.h" +#endif +#ifdef MOUSEKEY_ENABLE +# include "mousekey.h" +#endif +#ifdef PS2_MOUSE_ENABLE +# include "ps2_mouse.h" +#endif +#ifdef SERIAL_MOUSE_ENABLE +# include "serial_mouse.h" +#endif +#ifdef ADB_MOUSE_ENABLE +# include "adb.h" +#endif +#ifdef RGBLIGHT_ENABLE +# include "rgblight.h" +#endif +#ifdef LED_MATRIX_ENABLE +# include "led_matrix.h" +#endif +#ifdef RGB_MATRIX_ENABLE +# include "rgb_matrix.h" +#endif +#ifdef ENCODER_ENABLE +# include "encoder.h" +#endif +#ifdef STENO_ENABLE +# include "process_steno.h" +#endif +#ifdef SERIAL_LINK_ENABLE +# include "serial_link/system/serial_link.h" +#endif +#ifdef VISUALIZER_ENABLE +# include "visualizer/visualizer.h" +#endif +#ifdef POINTING_DEVICE_ENABLE +# include "pointing_device.h" +#endif +#ifdef MIDI_ENABLE +# include "process_midi.h" +#endif +#ifdef JOYSTICK_ENABLE +# include "process_joystick.h" +#endif +#ifdef HD44780_ENABLE +# include "hd44780.h" +#endif +#ifdef QWIIC_ENABLE +# include "qwiic.h" +#endif +#ifdef OLED_ENABLE +# include "oled_driver.h" +#endif +#ifdef ST7565_ENABLE +# include "st7565.h" +#endif +#ifdef VELOCIKEY_ENABLE +# include "velocikey.h" +#endif +#ifdef VIA_ENABLE +# include "via.h" +#endif +#ifdef DIP_SWITCH_ENABLE +# include "dip_switch.h" +#endif +#ifdef STM32_EEPROM_ENABLE +# include "eeprom_stm32.h" +#endif +#ifdef EEPROM_DRIVER +# include "eeprom_driver.h" +#endif +#if defined(CRC_ENABLE) +# include "crc.h" +#endif +#ifdef DIGITIZER_ENABLE +# include "digitizer.h" +#endif + +static uint32_t last_input_modification_time = 0; +uint32_t last_input_activity_time(void) { return last_input_modification_time; } +uint32_t last_input_activity_elapsed(void) { return timer_elapsed32(last_input_modification_time); } + +static uint32_t last_matrix_modification_time = 0; +uint32_t last_matrix_activity_time(void) { return last_matrix_modification_time; } +uint32_t last_matrix_activity_elapsed(void) { return timer_elapsed32(last_matrix_modification_time); } +void last_matrix_activity_trigger(void) { last_matrix_modification_time = last_input_modification_time = timer_read32(); } + +static uint32_t last_encoder_modification_time = 0; +uint32_t last_encoder_activity_time(void) { return last_encoder_modification_time; } +uint32_t last_encoder_activity_elapsed(void) { return timer_elapsed32(last_encoder_modification_time); } +void last_encoder_activity_trigger(void) { last_encoder_modification_time = last_input_modification_time = timer_read32(); } + +// Only enable this if console is enabled to print to +#if defined(DEBUG_MATRIX_SCAN_RATE) +static uint32_t matrix_timer = 0; +static uint32_t matrix_scan_count = 0; +static uint32_t last_matrix_scan_count = 0; + +void matrix_scan_perf_task(void) { + matrix_scan_count++; + + uint32_t timer_now = timer_read32(); + if (TIMER_DIFF_32(timer_now, matrix_timer) > 1000) { +# if defined(CONSOLE_ENABLE) + dprintf("matrix scan frequency: %lu\n", matrix_scan_count); +# endif + last_matrix_scan_count = matrix_scan_count; + matrix_timer = timer_now; + matrix_scan_count = 0; + } +} + +uint32_t get_matrix_scan_rate(void) { return last_matrix_scan_count; } +#else +# define matrix_scan_perf_task() +#endif + +#ifdef MATRIX_HAS_GHOST +extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS]; +static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata) { + matrix_row_t out = 0; + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + // read each key in the row data and check if the keymap defines it as a real key + if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1 << col))) { + // this creates new row data, if a key is defined in the keymap, it will be set here + out |= 1 << col; + } + } + return out; +} + +static inline bool popcount_more_than_one(matrix_row_t rowdata) { + rowdata &= rowdata - 1; // if there are less than two bits (keys) set, rowdata will become zero + return rowdata; +} + +static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) { + /* No ghost exists when less than 2 keys are down on the row. + If there are "active" blanks in the matrix, the key can't be pressed by the user, + there is no doubt as to which keys are really being pressed. + The ghosts will be ignored, they are KC_NO. */ + rowdata = get_real_keys(row, rowdata); + if ((popcount_more_than_one(rowdata)) == 0) { + return false; + } + /* Ghost occurs when the row shares a column line with other row, + and two columns are read on each row. Blanks in the matrix don't matter, + so they are filtered out. + If there are two or more real keys pressed and they match columns with + at least two of another row's real keys, the row will be ignored. Keep in mind, + we are checking one row at a time, not all of them at once. + */ + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)) { + return true; + } + } + return false; +} + +#endif + +void disable_jtag(void) { +// To use PF4-7 (PC2-5 on ATmega32A), disable JTAG by writing JTD bit twice within four cycles. +#if (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) + MCUCR |= _BV(JTD); + MCUCR |= _BV(JTD); +#elif defined(__AVR_ATmega32A__) + MCUCSR |= _BV(JTD); + MCUCSR |= _BV(JTD); +#endif +} + +/** \brief matrix_setup + * + * FIXME: needs doc + */ +__attribute__((weak)) void matrix_setup(void) {} + +/** \brief keyboard_pre_init_user + * + * FIXME: needs doc + */ +__attribute__((weak)) void keyboard_pre_init_user(void) {} + +/** \brief keyboard_pre_init_kb + * + * FIXME: needs doc + */ +__attribute__((weak)) void keyboard_pre_init_kb(void) { keyboard_pre_init_user(); } + +/** \brief keyboard_post_init_user + * + * FIXME: needs doc + */ + +__attribute__((weak)) void keyboard_post_init_user() {} + +/** \brief keyboard_post_init_kb + * + * FIXME: needs doc + */ + +__attribute__((weak)) void keyboard_post_init_kb(void) { keyboard_post_init_user(); } + +/** \brief keyboard_setup + * + * FIXME: needs doc + */ +void keyboard_setup(void) { +#ifndef NO_JTAG_DISABLE + disable_jtag(); +#endif + print_set_sendchar(sendchar); +#ifdef STM32_EEPROM_ENABLE + EEPROM_Init(); +#endif +#ifdef EEPROM_DRIVER + eeprom_driver_init(); +#endif + matrix_setup(); + keyboard_pre_init_kb(); +} + +#ifndef SPLIT_KEYBOARD + +/** \brief is_keyboard_master + * + * FIXME: needs doc + */ +__attribute__((weak)) bool is_keyboard_master(void) { return true; } + +/** \brief is_keyboard_left + * + * FIXME: needs doc + */ +__attribute__((weak)) bool is_keyboard_left(void) { return true; } + +#endif + +/** \brief should_process_keypress + * + * Override this function if you have a condition where keypresses processing should change: + * - splits where the slave side needs to process for rgb/oled functionality + */ +__attribute__((weak)) bool should_process_keypress(void) { return is_keyboard_master(); } + +/** \brief housekeeping_task_kb + * + * Override this function if you have a need to execute code for every keyboard main loop iteration. + * This is specific to keyboard-level functionality. + */ +__attribute__((weak)) void housekeeping_task_kb(void) {} + +/** \brief housekeeping_task_user + * + * Override this function if you have a need to execute code for every keyboard main loop iteration. + * This is specific to user/keymap-level functionality. + */ +__attribute__((weak)) void housekeeping_task_user(void) {} + +/** \brief housekeeping_task + * + * Invokes hooks for executing code after QMK is done after each loop iteration. + */ +void housekeeping_task(void) { + housekeeping_task_kb(); + housekeeping_task_user(); +} + +/** \brief keyboard_init + * + * FIXME: needs doc + */ +void keyboard_init(void) { + timer_init(); + sync_timer_init(); +#ifdef VIA_ENABLE + via_init(); +#endif + matrix_init(); +#if defined(CRC_ENABLE) + crc_init(); +#endif +#ifdef QWIIC_ENABLE + qwiic_init(); +#endif +#ifdef OLED_ENABLE + oled_init(OLED_ROTATION_0); +#endif +#ifdef ST7565_ENABLE + st7565_init(DISPLAY_ROTATION_0); +#endif +#ifdef PS2_MOUSE_ENABLE + ps2_mouse_init(); +#endif +#ifdef SERIAL_MOUSE_ENABLE + serial_mouse_init(); +#endif +#ifdef ADB_MOUSE_ENABLE + adb_mouse_init(); +#endif +#ifdef BACKLIGHT_ENABLE + backlight_init(); +#endif +#ifdef RGBLIGHT_ENABLE + rgblight_init(); +#endif +#ifdef ENCODER_ENABLE + encoder_init(); +#endif +#ifdef STENO_ENABLE + steno_init(); +#endif +#ifdef POINTING_DEVICE_ENABLE + pointing_device_init(); +#endif +#if defined(NKRO_ENABLE) && defined(FORCE_NKRO) + keymap_config.nkro = 1; + eeconfig_update_keymap(keymap_config.raw); +#endif +#ifdef DIP_SWITCH_ENABLE + dip_switch_init(); +#endif + +#if defined(DEBUG_MATRIX_SCAN_RATE) && defined(CONSOLE_ENABLE) + debug_enable = true; +#endif + + keyboard_post_init_kb(); /* Always keep this last */ +} + +/** \brief key_event_task + * + * This function is responsible for calling into other systems when they need to respond to electrical switch press events. + * This is differnet than keycode events as no layer processing, or filtering occurs. + */ +void switch_events(uint8_t row, uint8_t col, bool pressed) { +#if defined(LED_MATRIX_ENABLE) + process_led_matrix(row, col, pressed); +#endif +#if defined(RGB_MATRIX_ENABLE) + process_rgb_matrix(row, col, pressed); +#endif +} + +/** \brief Keyboard task: Do keyboard routine jobs + * + * Do routine keyboard jobs: + * + * * scan matrix + * * handle mouse movements + * * run visualizer code + * * handle midi commands + * * light LEDs + * + * This is repeatedly called as fast as possible. + */ +void keyboard_task(void) { + static matrix_row_t matrix_prev[MATRIX_ROWS]; + static uint8_t led_status = 0; + matrix_row_t matrix_row = 0; + matrix_row_t matrix_change = 0; +#ifdef QMK_KEYS_PER_SCAN + uint8_t keys_processed = 0; +#endif +#ifdef ENCODER_ENABLE + bool encoders_changed = false; +#endif + + uint8_t matrix_changed = matrix_scan(); + if (matrix_changed) last_matrix_activity_trigger(); + + for (uint8_t r = 0; r < MATRIX_ROWS; r++) { + matrix_row = matrix_get_row(r); + matrix_change = matrix_row ^ matrix_prev[r]; + if (matrix_change) { +#ifdef MATRIX_HAS_GHOST + if (has_ghost_in_row(r, matrix_row)) { + continue; + } +#endif + if (debug_matrix) matrix_print(); + matrix_row_t col_mask = 1; + for (uint8_t c = 0; c < MATRIX_COLS; c++, col_mask <<= 1) { + if (matrix_change & col_mask) { + if (should_process_keypress()) { + action_exec((keyevent_t){ + .key = (keypos_t){.row = r, .col = c}, .pressed = (matrix_row & col_mask), .time = (timer_read() | 1) /* time should not be 0 */ + }); + } + // record a processed key + matrix_prev[r] ^= col_mask; + + switch_events(r, c, (matrix_row & col_mask)); + +#ifdef QMK_KEYS_PER_SCAN + // only jump out if we have processed "enough" keys. + if (++keys_processed >= QMK_KEYS_PER_SCAN) +#endif + // process a key per task call + goto MATRIX_LOOP_END; + } + } + } + } + // call with pseudo tick event when no real key event. +#ifdef QMK_KEYS_PER_SCAN + // we can get here with some keys processed now. + if (!keys_processed) +#endif + action_exec(TICK); + +MATRIX_LOOP_END: + +#ifdef DEBUG_MATRIX_SCAN_RATE + matrix_scan_perf_task(); +#endif + +#if defined(RGBLIGHT_ENABLE) + rgblight_task(); +#endif + +#ifdef LED_MATRIX_ENABLE + led_matrix_task(); +#endif +#ifdef RGB_MATRIX_ENABLE + rgb_matrix_task(); +#endif + +#if defined(BACKLIGHT_ENABLE) +# if defined(BACKLIGHT_PIN) || defined(BACKLIGHT_PINS) + backlight_task(); +# endif +#endif + +#ifdef ENCODER_ENABLE + encoders_changed = encoder_read(); + if (encoders_changed) last_encoder_activity_trigger(); +#endif + +#ifdef QWIIC_ENABLE + qwiic_task(); +#endif + +#ifdef OLED_ENABLE + oled_task(); +# if OLED_TIMEOUT > 0 + // Wake up oled if user is using those fabulous keys or spinning those encoders! +# ifdef ENCODER_ENABLE + if (matrix_changed || encoders_changed) oled_on(); +# else + if (matrix_changed) oled_on(); +# endif +# endif +#endif + +#ifdef ST7565_ENABLE + st7565_task(); +# if ST7565_TIMEOUT > 0 + // Wake up display if user is using those fabulous keys or spinning those encoders! +# ifdef ENCODER_ENABLE + if (matrix_changed || encoders_changed) st7565_on(); +# else + if (matrix_changed) st7565_on(); +# endif +# endif +#endif + +#ifdef MOUSEKEY_ENABLE + // mousekey repeat & acceleration + mousekey_task(); +#endif + +#ifdef PS2_MOUSE_ENABLE + ps2_mouse_task(); +#endif + +#ifdef SERIAL_MOUSE_ENABLE + serial_mouse_task(); +#endif + +#ifdef ADB_MOUSE_ENABLE + adb_mouse_task(); +#endif + +#ifdef SERIAL_LINK_ENABLE + serial_link_update(); +#endif + +#ifdef VISUALIZER_ENABLE + visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds()); +#endif + +#ifdef POINTING_DEVICE_ENABLE + pointing_device_task(); +#endif + +#ifdef MIDI_ENABLE + midi_task(); +#endif + +#ifdef VELOCIKEY_ENABLE + if (velocikey_enabled()) { + velocikey_decelerate(); + } +#endif + +#ifdef JOYSTICK_ENABLE + joystick_task(); +#endif + +#ifdef DIGITIZER_ENABLE + digitizer_task(); +#endif + + // update LED + if (led_status != host_keyboard_leds()) { + led_status = host_keyboard_leds(); + keyboard_set_leds(led_status); + } +} + +/** \brief keyboard set leds + * + * FIXME: needs doc + */ +void keyboard_set_leds(uint8_t leds) { + if (debug_keyboard) { + debug("keyboard_set_led: "); + debug_hex8(leds); + debug("\n"); + } + led_set(leds); +} |