qmk_firmware/keyboards/hhkb/yang/yang.c

118 lines
2.8 KiB
C

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