mirror of
https://github.com/mfulz/qmk_firmware.git
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abe189377c
* Allow for disabling RGB_MATRIX on Massdrop boards. * Fixup init sequence. * Make some functions static as they've got very generic names.
518 lines
14 KiB
C
518 lines
14 KiB
C
/*
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Copyright 2011, 2012, 2013 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include "keyboard.h"
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#include "matrix.h"
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#include "keymap.h"
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#include "host.h"
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#include "led.h"
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#include "keycode.h"
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#include "timer.h"
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#include "sync_timer.h"
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#include "print.h"
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#include "debug.h"
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#include "command.h"
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#include "util.h"
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#include "sendchar.h"
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#include "eeconfig.h"
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#include "action_layer.h"
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#ifdef BACKLIGHT_ENABLE
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# include "backlight.h"
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#endif
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#ifdef BOOTMAGIC_ENABLE
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# include "bootmagic.h"
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#else
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# include "magic.h"
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#endif
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#ifdef MOUSEKEY_ENABLE
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# include "mousekey.h"
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#endif
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#ifdef PS2_MOUSE_ENABLE
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# include "ps2_mouse.h"
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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# include "serial_mouse.h"
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#endif
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#ifdef ADB_MOUSE_ENABLE
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# include "adb.h"
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#endif
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#ifdef RGBLIGHT_ENABLE
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# include "rgblight.h"
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#endif
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#ifdef RGB_MATRIX_ENABLE
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# include "rgb_matrix.h"
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#endif
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#ifdef ENCODER_ENABLE
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# include "encoder.h"
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#endif
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#ifdef STENO_ENABLE
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# include "process_steno.h"
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#endif
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#ifdef SERIAL_LINK_ENABLE
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# include "serial_link/system/serial_link.h"
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#endif
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#ifdef VISUALIZER_ENABLE
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# include "visualizer/visualizer.h"
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#endif
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#ifdef POINTING_DEVICE_ENABLE
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# include "pointing_device.h"
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#endif
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#ifdef MIDI_ENABLE
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# include "process_midi.h"
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#endif
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#ifdef JOYSTICK_ENABLE
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# include "process_joystick.h"
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#endif
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#ifdef HD44780_ENABLE
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# include "hd44780.h"
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#endif
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#ifdef QWIIC_ENABLE
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# include "qwiic.h"
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#endif
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#ifdef OLED_DRIVER_ENABLE
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# include "oled_driver.h"
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#endif
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#ifdef VELOCIKEY_ENABLE
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# include "velocikey.h"
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#endif
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#ifdef VIA_ENABLE
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# include "via.h"
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#endif
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#ifdef DIP_SWITCH_ENABLE
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# include "dip_switch.h"
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#endif
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static uint32_t last_input_modification_time = 0;
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uint32_t last_input_activity_time(void) { return last_input_modification_time; }
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uint32_t last_input_activity_elapsed(void) { return timer_elapsed32(last_input_modification_time); }
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static uint32_t last_matrix_modification_time = 0;
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uint32_t last_matrix_activity_time(void) { return last_matrix_modification_time; }
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uint32_t last_matrix_activity_elapsed(void) { return timer_elapsed32(last_matrix_modification_time); }
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void last_matrix_activity_trigger(void) { last_matrix_modification_time = last_input_modification_time = timer_read32(); }
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static uint32_t last_encoder_modification_time = 0;
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uint32_t last_encoder_activity_time(void) { return last_encoder_modification_time; }
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uint32_t last_encoder_activity_elapsed(void) { return timer_elapsed32(last_encoder_modification_time); }
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void last_encoder_activity_trigger(void) { last_encoder_modification_time = last_input_modification_time = timer_read32(); }
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// Only enable this if console is enabled to print to
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#if defined(DEBUG_MATRIX_SCAN_RATE)
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static uint32_t matrix_timer = 0;
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static uint32_t matrix_scan_count = 0;
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static uint32_t last_matrix_scan_count = 0;
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void matrix_scan_perf_task(void) {
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matrix_scan_count++;
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uint32_t timer_now = timer_read32();
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if (TIMER_DIFF_32(timer_now, matrix_timer) > 1000) {
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# if defined(CONSOLE_ENABLE)
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dprintf("matrix scan frequency: %lu\n", matrix_scan_count);
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# endif
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last_matrix_scan_count = matrix_scan_count;
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matrix_timer = timer_now;
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matrix_scan_count = 0;
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}
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}
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uint32_t get_matrix_scan_rate(void) { return last_matrix_scan_count; }
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#else
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# define matrix_scan_perf_task()
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#endif
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#ifdef MATRIX_HAS_GHOST
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extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
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static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata) {
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matrix_row_t out = 0;
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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// read each key in the row data and check if the keymap defines it as a real key
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if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1 << col))) {
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// this creates new row data, if a key is defined in the keymap, it will be set here
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out |= 1 << col;
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}
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}
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return out;
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}
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static inline bool popcount_more_than_one(matrix_row_t rowdata) {
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rowdata &= rowdata - 1; // if there are less than two bits (keys) set, rowdata will become zero
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return rowdata;
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}
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static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) {
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/* No ghost exists when less than 2 keys are down on the row.
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If there are "active" blanks in the matrix, the key can't be pressed by the user,
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there is no doubt as to which keys are really being pressed.
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The ghosts will be ignored, they are KC_NO. */
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rowdata = get_real_keys(row, rowdata);
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if ((popcount_more_than_one(rowdata)) == 0) {
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return false;
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}
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/* Ghost occurs when the row shares a column line with other row,
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and two columns are read on each row. Blanks in the matrix don't matter,
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so they are filtered out.
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If there are two or more real keys pressed and they match columns with
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at least two of another row's real keys, the row will be ignored. Keep in mind,
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we are checking one row at a time, not all of them at once.
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*/
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)) {
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return true;
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}
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}
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return false;
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}
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#endif
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void disable_jtag(void) {
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// To use PF4-7 (PC2-5 on ATmega32A), disable JTAG by writing JTD bit twice within four cycles.
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#if (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))
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MCUCR |= _BV(JTD);
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MCUCR |= _BV(JTD);
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#elif defined(__AVR_ATmega32A__)
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MCUCSR |= _BV(JTD);
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MCUCSR |= _BV(JTD);
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#endif
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}
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/** \brief matrix_setup
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) void matrix_setup(void) {}
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/** \brief keyboard_pre_init_user
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) void keyboard_pre_init_user(void) {}
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/** \brief keyboard_pre_init_kb
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) void keyboard_pre_init_kb(void) { keyboard_pre_init_user(); }
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/** \brief keyboard_post_init_user
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) void keyboard_post_init_user() {}
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/** \brief keyboard_post_init_kb
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) void keyboard_post_init_kb(void) { keyboard_post_init_user(); }
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/** \brief keyboard_setup
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*
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* FIXME: needs doc
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*/
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void keyboard_setup(void) {
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#ifndef NO_JTAG_DISABLE
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disable_jtag();
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#endif
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print_set_sendchar(sendchar);
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matrix_setup();
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keyboard_pre_init_kb();
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}
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/** \brief is_keyboard_master
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) bool is_keyboard_master(void) { return true; }
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/** \brief is_keyboard_left
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*
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* FIXME: needs doc
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*/
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__attribute__((weak)) bool is_keyboard_left(void) { return true; }
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/** \brief should_process_keypress
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*
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* Override this function if you have a condition where keypresses processing should change:
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* - splits where the slave side needs to process for rgb/oled functionality
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*/
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__attribute__((weak)) bool should_process_keypress(void) { return is_keyboard_master(); }
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/** \brief housekeeping_task_kb
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*
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* Override this function if you have a need to execute code for every keyboard main loop iteration.
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* This is specific to keyboard-level functionality.
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*/
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__attribute__((weak)) void housekeeping_task_kb(void) {}
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/** \brief housekeeping_task_user
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*
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* Override this function if you have a need to execute code for every keyboard main loop iteration.
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* This is specific to user/keymap-level functionality.
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*/
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__attribute__((weak)) void housekeeping_task_user(void) {}
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/** \brief keyboard_init
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*
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* FIXME: needs doc
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*/
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void keyboard_init(void) {
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timer_init();
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sync_timer_init();
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matrix_init();
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#ifdef VIA_ENABLE
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via_init();
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#endif
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#ifdef QWIIC_ENABLE
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qwiic_init();
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#endif
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#ifdef OLED_DRIVER_ENABLE
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oled_init(OLED_ROTATION_0);
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#endif
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#ifdef PS2_MOUSE_ENABLE
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ps2_mouse_init();
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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serial_mouse_init();
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#endif
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#ifdef ADB_MOUSE_ENABLE
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adb_mouse_init();
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#endif
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#ifdef BOOTMAGIC_ENABLE
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bootmagic();
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#else
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magic();
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#endif
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#ifdef BACKLIGHT_ENABLE
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backlight_init();
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#endif
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#ifdef RGBLIGHT_ENABLE
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rgblight_init();
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#endif
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#ifdef ENCODER_ENABLE
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encoder_init();
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#endif
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#ifdef STENO_ENABLE
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steno_init();
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#endif
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#ifdef POINTING_DEVICE_ENABLE
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pointing_device_init();
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#endif
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#if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
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keymap_config.nkro = 1;
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eeconfig_update_keymap(keymap_config.raw);
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#endif
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#ifdef DIP_SWITCH_ENABLE
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dip_switch_init();
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#endif
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#if defined(DEBUG_MATRIX_SCAN_RATE) && defined(CONSOLE_ENABLE)
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debug_enable = true;
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#endif
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keyboard_post_init_kb(); /* Always keep this last */
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}
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/** \brief key_event_task
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*
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* This function is responsible for calling into other systems when they need to respond to electrical switch press events.
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* This is differnet than keycode events as no layer processing, or filtering occurs.
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*/
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void switch_events(uint8_t row, uint8_t col, bool pressed) {
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#if defined(RGB_MATRIX_ENABLE)
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process_rgb_matrix(row, col, pressed);
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#endif
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}
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/** \brief Keyboard task: Do keyboard routine jobs
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*
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* Do routine keyboard jobs:
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*
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* * scan matrix
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* * handle mouse movements
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* * run visualizer code
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* * handle midi commands
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* * light LEDs
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*
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* This is repeatedly called as fast as possible.
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*/
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void keyboard_task(void) {
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static matrix_row_t matrix_prev[MATRIX_ROWS];
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static uint8_t led_status = 0;
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matrix_row_t matrix_row = 0;
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matrix_row_t matrix_change = 0;
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#ifdef QMK_KEYS_PER_SCAN
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uint8_t keys_processed = 0;
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#endif
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#ifdef ENCODER_ENABLE
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bool encoders_changed = false;
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#endif
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housekeeping_task_kb();
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housekeeping_task_user();
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uint8_t matrix_changed = matrix_scan();
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if (matrix_changed) last_matrix_activity_trigger();
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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matrix_row = matrix_get_row(r);
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matrix_change = matrix_row ^ matrix_prev[r];
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if (matrix_change) {
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#ifdef MATRIX_HAS_GHOST
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if (has_ghost_in_row(r, matrix_row)) {
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continue;
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}
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#endif
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if (debug_matrix) matrix_print();
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matrix_row_t col_mask = 1;
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for (uint8_t c = 0; c < MATRIX_COLS; c++, col_mask <<= 1) {
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if (matrix_change & col_mask) {
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if (should_process_keypress()) {
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action_exec((keyevent_t){
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.key = (keypos_t){.row = r, .col = c}, .pressed = (matrix_row & col_mask), .time = (timer_read() | 1) /* time should not be 0 */
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});
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}
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// record a processed key
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matrix_prev[r] ^= col_mask;
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switch_events(r, c, (matrix_row & col_mask));
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#ifdef QMK_KEYS_PER_SCAN
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// only jump out if we have processed "enough" keys.
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if (++keys_processed >= QMK_KEYS_PER_SCAN)
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#endif
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// process a key per task call
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goto MATRIX_LOOP_END;
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}
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}
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}
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}
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// call with pseudo tick event when no real key event.
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#ifdef QMK_KEYS_PER_SCAN
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// we can get here with some keys processed now.
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if (!keys_processed)
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#endif
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action_exec(TICK);
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MATRIX_LOOP_END:
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#ifdef DEBUG_MATRIX_SCAN_RATE
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matrix_scan_perf_task();
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#endif
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#if defined(RGBLIGHT_ENABLE)
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rgblight_task();
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#endif
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#ifdef RGB_MATRIX_ENABLE
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rgb_matrix_task();
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#endif
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#if defined(BACKLIGHT_ENABLE)
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# if defined(BACKLIGHT_PIN) || defined(BACKLIGHT_PINS)
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backlight_task();
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# endif
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#endif
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#ifdef ENCODER_ENABLE
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encoders_changed = encoder_read();
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if (encoders_changed) last_encoder_activity_trigger();
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#endif
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#ifdef QWIIC_ENABLE
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qwiic_task();
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#endif
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#ifdef OLED_DRIVER_ENABLE
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oled_task();
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# ifndef OLED_DISABLE_TIMEOUT
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// Wake up oled if user is using those fabulous keys or spinning those encoders!
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# ifdef ENCODER_ENABLE
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if (matrix_changed || encoders_changed) oled_on();
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# else
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if (matrix_changed) oled_on();
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# endif
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# endif
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#endif
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#ifdef MOUSEKEY_ENABLE
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// mousekey repeat & acceleration
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mousekey_task();
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#endif
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#ifdef PS2_MOUSE_ENABLE
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ps2_mouse_task();
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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serial_mouse_task();
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#endif
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#ifdef ADB_MOUSE_ENABLE
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adb_mouse_task();
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#endif
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#ifdef SERIAL_LINK_ENABLE
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serial_link_update();
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#endif
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#ifdef VISUALIZER_ENABLE
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visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
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#endif
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#ifdef POINTING_DEVICE_ENABLE
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pointing_device_task();
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#endif
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#ifdef MIDI_ENABLE
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midi_task();
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#endif
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#ifdef VELOCIKEY_ENABLE
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if (velocikey_enabled()) {
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velocikey_decelerate();
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}
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#endif
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#ifdef JOYSTICK_ENABLE
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joystick_task();
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#endif
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// update LED
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if (led_status != host_keyboard_leds()) {
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led_status = host_keyboard_leds();
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keyboard_set_leds(led_status);
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}
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}
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/** \brief keyboard set leds
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*
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* FIXME: needs doc
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*/
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void keyboard_set_leds(uint8_t leds) {
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if (debug_keyboard) {
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debug("keyboard_set_led: ");
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debug_hex8(leds);
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debug("\n");
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}
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led_set(leds);
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}
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