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151 lines
4.7 KiB
151 lines
4.7 KiB
/*
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* Copyright 2018 Jack Humbert <jack.humb@gmail.com>
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* Copyright 2019 Drashna Jaelre (Christopher Courtney) <drashna@live.com>
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*
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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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*
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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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*
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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 <string.h> // for memcpy
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#include "dip_switch.h"
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#ifdef SPLIT_KEYBOARD
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# include "split_common/split_util.h"
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#endif
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#if !defined(DIP_SWITCH_PINS) && !defined(DIP_SWITCH_MATRIX_GRID)
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# error "Either DIP_SWITCH_PINS or DIP_SWITCH_MATRIX_GRID must be defined."
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#endif
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#if defined(DIP_SWITCH_PINS) && defined(DIP_SWITCH_MATRIX_GRID)
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# error "Both DIP_SWITCH_PINS and DIP_SWITCH_MATRIX_GRID are defined."
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#endif
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#ifdef DIP_SWITCH_PINS
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static pin_t dip_switch_pad[] = DIP_SWITCH_PINS;
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#endif
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#ifdef DIP_SWITCH_MATRIX_GRID
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static matrix_intersection_t dip_switch_pad[] = DIP_SWITCH_MATRIX_GRID;
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extern bool peek_matrix(uint8_t row_index, uint8_t col_index, bool read_raw);
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static uint16_t scan_count;
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#endif /* DIP_SWITCH_MATRIX_GRID */
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static bool dip_switch_state[NUM_DIP_SWITCHES] = {0};
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static bool last_dip_switch_state[NUM_DIP_SWITCHES] = {0};
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__attribute__((weak)) bool dip_switch_update_user(uint8_t index, bool active) {
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return true;
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}
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__attribute__((weak)) bool dip_switch_update_kb(uint8_t index, bool active) {
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return dip_switch_update_user(index, active);
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}
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__attribute__((weak)) bool dip_switch_update_mask_user(uint32_t state) {
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return true;
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}
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__attribute__((weak)) bool dip_switch_update_mask_kb(uint32_t state) {
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return dip_switch_update_mask_user(state);
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}
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#ifdef DIP_SWITCH_MAP_ENABLE
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# include "keymap_introspection.h"
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# include "action.h"
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# ifndef DIP_SWITCH_MAP_KEY_DELAY
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# define DIP_SWITCH_MAP_KEY_DELAY TAP_CODE_DELAY
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# endif
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static void dip_switch_exec_mapping(uint8_t index, bool on) {
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// The delays below cater for Windows and its wonderful requirements.
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action_exec(on ? MAKE_DIPSWITCH_ON_EVENT(index, true) : MAKE_DIPSWITCH_OFF_EVENT(index, true));
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# if DIP_SWITCH_MAP_KEY_DELAY > 0
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wait_ms(DIP_SWITCH_MAP_KEY_DELAY);
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# endif // DIP_SWITCH_MAP_KEY_DELAY > 0
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action_exec(on ? MAKE_DIPSWITCH_ON_EVENT(index, false) : MAKE_DIPSWITCH_OFF_EVENT(index, false));
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# if DIP_SWITCH_MAP_KEY_DELAY > 0
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wait_ms(DIP_SWITCH_MAP_KEY_DELAY);
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# endif // DIP_SWITCH_MAP_KEY_DELAY > 0
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}
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#endif // DIP_SWITCH_MAP_ENABLE
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void dip_switch_init(void) {
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#ifdef DIP_SWITCH_PINS
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# if defined(SPLIT_KEYBOARD) && defined(DIP_SWITCH_PINS_RIGHT)
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if (!isLeftHand) {
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const pin_t dip_switch_pad_right[] = DIP_SWITCH_PINS_RIGHT;
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for (uint8_t i = 0; i < NUM_DIP_SWITCHES; i++) {
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dip_switch_pad[i] = dip_switch_pad_right[i];
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}
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}
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# endif
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for (uint8_t i = 0; i < NUM_DIP_SWITCHES; i++) {
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gpio_set_pin_input_high(dip_switch_pad[i]);
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}
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dip_switch_read(true);
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#endif
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#ifdef DIP_SWITCH_MATRIX_GRID
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scan_count = 0;
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#endif
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}
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void dip_switch_read(bool forced) {
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bool has_dip_state_changed = false;
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uint32_t dip_switch_mask = 0;
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#ifdef DIP_SWITCH_MATRIX_GRID
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bool read_raw = false;
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if (scan_count < 500) {
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scan_count++;
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if (scan_count == 10) {
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read_raw = true;
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forced = true; /* First reading of the dip switch */
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} else {
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return;
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}
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}
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#endif
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for (uint8_t i = 0; i < NUM_DIP_SWITCHES; i++) {
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#ifdef DIP_SWITCH_PINS
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dip_switch_state[i] = !gpio_read_pin(dip_switch_pad[i]);
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#endif
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#ifdef DIP_SWITCH_MATRIX_GRID
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dip_switch_state[i] = peek_matrix(dip_switch_pad[i].row, dip_switch_pad[i].col, read_raw);
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#endif
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dip_switch_mask |= dip_switch_state[i] << i;
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if (last_dip_switch_state[i] != dip_switch_state[i] || forced) {
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has_dip_state_changed = true;
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#ifndef DIP_SWITCH_MAP_ENABLE
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dip_switch_update_kb(i, dip_switch_state[i]);
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#else
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dip_switch_exec_mapping(i, dip_switch_state[i]);
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#endif
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}
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}
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if (has_dip_state_changed) {
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#ifndef DIP_SWITCH_MAP_ENABLE
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dip_switch_update_mask_kb(dip_switch_mask);
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#endif
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memcpy(last_dip_switch_state, dip_switch_state, sizeof(dip_switch_state));
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}
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}
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void dip_switch_task(void) {
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dip_switch_read(false);
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}
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