119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/* Copyright 2021 Kan-Ru Chen <kanru@kanru.info>
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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 "yang.h"
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extern uint8_t power_save_level;
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void hhkb_led_on(uint8_t led) {
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switch (led) {
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case 1:
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writePinHigh(F4);
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break;
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case 2:
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writePinHigh(F2);
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break;
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case 3:
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writePinHigh(F0);
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break;
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}
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}
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void hhkb_led_off(uint8_t led) {
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switch (led) {
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case 1:
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writePinLow(F4);
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break;
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case 2:
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writePinLow(F2);
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break;
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case 3:
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writePinLow(F0);
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break;
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}
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}
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void keyboard_pre_init_kb(void) {
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// BT power up
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setPinOutput(D5);
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writePinLow(D5);
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// Row selectors
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setPinOutput(B0);
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setPinOutput(B1);
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setPinOutput(B2);
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// Col selectors
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setPinOutput(B3);
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setPinOutput(B4);
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setPinOutput(B5);
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// Key strobe
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setPinOutput(B6);
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writePinHigh(B6);
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// Key: input with pull-up
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setPinInputHigh(D7);
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// Unused pins on Pro2 ANSI
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// Input with pull up to save power
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setPinInputHigh(C6);
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setPinInputHigh(C7);
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// LED pin configuration
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setPinOutput(F0);
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setPinOutput(F1);
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setPinOutput(F4);
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writePinLow(F0);
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writePinLow(F1);
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writePinLow(F4);
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// Turn on switch PCB
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setPinOutput(D6);
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writePinLow(D6);
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keyboard_pre_init_user();
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}
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void suspend_power_down_kb(void) {
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if (power_save_level > 2) {
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// Disable UART TX to avoid current leakage
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UCSR1B &= ~_BV(TXEN1);
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// Power down BLE module
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writePinHigh(D5);
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}
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suspend_power_down_user();
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}
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void suspend_wakeup_init_kb(void) {
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// Power up BLE module
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writePinLow(D5);
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// Enable UART TX
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UCSR1B |= _BV(TXEN1);
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suspend_wakeup_init_user();
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}
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layer_state_t layer_state_set_kb(layer_state_t state) {
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state = layer_state_set_user(state);
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writePin(F1, IS_LAYER_ON_STATE(state, 1));
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writePin(F0, IS_LAYER_ON_STATE(state, 2));
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return state;
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}
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