yang.c (2894B)
1 /* Copyright 2021 Kan-Ru Chen <kanru@kanru.info> 2 * 3 * This program is free software: you can redistribute it and/or modify 4 * it under the terms of the GNU General Public License as published by 5 * the Free Software Foundation, either version 2 of the License, or 6 * (at your option) any later version. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #include "quantum.h" 18 19 extern uint8_t power_save_level; 20 21 void hhkb_led_on(uint8_t led) { 22 switch (led) { 23 case 1: 24 gpio_write_pin_high(F4); 25 break; 26 case 2: 27 gpio_write_pin_high(F2); 28 break; 29 case 3: 30 gpio_write_pin_high(F0); 31 break; 32 } 33 } 34 35 void hhkb_led_off(uint8_t led) { 36 switch (led) { 37 case 1: 38 gpio_write_pin_low(F4); 39 break; 40 case 2: 41 gpio_write_pin_low(F2); 42 break; 43 case 3: 44 gpio_write_pin_low(F0); 45 break; 46 } 47 } 48 49 void keyboard_pre_init_kb(void) { 50 // BT power up 51 gpio_set_pin_output(D5); 52 gpio_write_pin_low(D5); 53 54 // Row selectors 55 gpio_set_pin_output(B0); 56 gpio_set_pin_output(B1); 57 gpio_set_pin_output(B2); 58 59 // Col selectors 60 gpio_set_pin_output(B3); 61 gpio_set_pin_output(B4); 62 gpio_set_pin_output(B5); 63 64 // Key strobe 65 gpio_set_pin_output(B6); 66 gpio_write_pin_high(B6); 67 68 // Key: input with pull-up 69 gpio_set_pin_input_high(D7); 70 71 // Unused pins on Pro2 ANSI 72 // Input with pull up to save power 73 gpio_set_pin_input_high(C6); 74 gpio_set_pin_input_high(C7); 75 76 // LED pin configuration 77 gpio_set_pin_output(F0); 78 gpio_set_pin_output(F1); 79 gpio_set_pin_output(F4); 80 gpio_write_pin_low(F0); 81 gpio_write_pin_low(F1); 82 gpio_write_pin_low(F4); 83 84 // Turn on switch PCB 85 gpio_set_pin_output(D6); 86 gpio_write_pin_low(D6); 87 88 keyboard_pre_init_user(); 89 } 90 91 void suspend_power_down_kb(void) { 92 if (power_save_level > 2) { 93 // Disable UART TX to avoid current leakage 94 UCSR1B &= ~_BV(TXEN1); 95 // Power down BLE module 96 gpio_write_pin_high(D5); 97 } 98 99 suspend_power_down_user(); 100 } 101 102 void suspend_wakeup_init_kb(void) { 103 // Power up BLE module 104 gpio_write_pin_low(D5); 105 // Enable UART TX 106 UCSR1B |= _BV(TXEN1); 107 108 suspend_wakeup_init_user(); 109 } 110 111 layer_state_t layer_state_set_kb(layer_state_t state) { 112 state = layer_state_set_user(state); 113 114 gpio_write_pin(F1, IS_LAYER_ON_STATE(state, 1)); 115 gpio_write_pin(F0, IS_LAYER_ON_STATE(state, 2)); 116 117 return state; 118 }