mirror of
https://github.com/qmk/qmk_firmware.git
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dab4967f1b
* Add Dip Switches as a core feature * Add documentation for Dip Switch feature * Update Preonic Rev3 to use new feature and remove custom matrix * Apply suggestions from code review Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com> * Remove custom matrix line completely Rather than just disabling it Co-Authored-By: fauxpark <fauxpark@gmail.com> * DIP changes Co-Authored-By: fauxpark <fauxpark@gmail.com> * Use better check for DIP Switch configuration * Add to show features * Add bitmask callback for dip switch * Fix OLKB Boards dip switch config * Update docs to include bitmask example * Fix comments/documentation Co-Authored-By: fauxpark <fauxpark@gmail.com> * Fix issues with docs and use example from @tuzonghua * Fix wording Co-Authored-By: fauxpark <fauxpark@gmail.com> * Fix example to use proper formatting Bad, BAAAAAAD drashna!!! * Handle dip switch initialization better
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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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 "dip_switch.h"
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// for memcpy
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#include <string.h>
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#if !defined(DIP_SWITCH_PINS)
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# error "No DIP switch pads defined by DIP_SWITCH_PINS"
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#endif
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#define NUMBER_OF_DIP_SWITCHES (sizeof(dip_switch_pad)/sizeof(pin_t))
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static pin_t dip_switch_pad[] = DIP_SWITCH_PINS;
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static bool dip_switch_state[NUMBER_OF_DIP_SWITCHES] = { 0 };
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static bool last_dip_switch_state[NUMBER_OF_DIP_SWITCHES] = { 0 };
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__attribute__((weak))
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void dip_switch_update_user(uint8_t index, bool active) {}
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__attribute__((weak))
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void dip_switch_update_kb(uint8_t index, bool active) { dip_switch_update_user(index, active); }
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__attribute__((weak))
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void dip_switch_update_mask_user(uint32_t state) {}
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__attribute__((weak))
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void dip_switch_update_mask_kb(uint32_t state) { dip_switch_update_mask_user(state); }
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void dip_switch_init(void) {
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for (uint8_t i = 0; i < NUMBER_OF_DIP_SWITCHES; i++) {
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setPinInputHigh(dip_switch_pad[i]);
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}
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dip_switch_read(true);
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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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for (uint8_t i = 0; i < NUMBER_OF_DIP_SWITCHES; i++) {
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dip_switch_state[i] = !readPin(dip_switch_pad[i]);
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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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dip_switch_update_kb(i, dip_switch_state[i]);
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}
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}
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if (has_dip_state_changed) {
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dip_switch_update_mask_kb(dip_switch_mask);
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}
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memcpy(last_dip_switch_state, dip_switch_state, sizeof(&dip_switch_state));
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}
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