2 Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 Copyright (c) 2012, 2013 Ben Blazak <benblazak.dev@gmail.com>
19 Released under The MIT License (see "doc/licenses/MIT.md")
20 Project located at <https://github.com/benblazak/ergodox-firmware>
22 Most used files are located at
23 <https://github.com/benblazak/ergodox-firmware/tree/partial-rewrite/firmware/keyboard/ergodox/controller>
33 #include "i2cmaster.h"
35 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
36 #define CPU_16MHz 0x00
38 // I2C aliases and register addresses (see "mcp23018.md")
39 #define I2C_ADDR 0b0100000
40 #define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
41 #define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
42 #define IODIRA 0x00 // i/o direction register
44 #define GPPUA 0x0C // GPIO pull-up resistor register
46 #define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
48 #define OLATA 0x14 // output latch register
51 extern uint8_t mcp23018_status;
53 void init_ergodox(void);
54 void ergodox_blink_all_leds(void);
55 uint8_t init_mcp23018(void);
56 uint8_t ergodox_left_leds_update(void);
58 #define LED_BRIGHTNESS_LO 31
59 #define LED_BRIGHTNESS_HI 255
61 #define LEFT_LED_1_SHIFT 7 // in MCP23018 port B
62 #define LEFT_LED_2_SHIFT 6 // in MCP23018 port B
63 #define LEFT_LED_3_SHIFT 7 // in MCP23018 port A
65 extern bool ergodox_left_led_1; // left top
66 extern bool ergodox_left_led_2; // left middle
67 extern bool ergodox_left_led_3; // left bottom
69 static inline void ergodox_board_led_on(void) { DDRD |= (1<<6); PORTD |= (1<<6); }
70 static inline void ergodox_right_led_1_on(void) { DDRB |= (1<<5); PORTB |= (1<<5); }
71 static inline void ergodox_right_led_2_on(void) { DDRB |= (1<<6); PORTB |= (1<<6); }
72 static inline void ergodox_right_led_3_on(void) { DDRB |= (1<<7); PORTB |= (1<<7); }
73 static inline void ergodox_left_led_1_on(void) { ergodox_left_led_1 = 1; }
74 static inline void ergodox_left_led_2_on(void) { ergodox_left_led_2 = 1; }
75 static inline void ergodox_left_led_3_on(void) { ergodox_left_led_3 = 1; }
77 static inline void ergodox_board_led_off(void) { DDRD &= ~(1<<6); PORTD &= ~(1<<6); }
78 static inline void ergodox_right_led_1_off(void) { DDRB &= ~(1<<5); PORTB &= ~(1<<5); }
79 static inline void ergodox_right_led_2_off(void) { DDRB &= ~(1<<6); PORTB &= ~(1<<6); }
80 static inline void ergodox_right_led_3_off(void) { DDRB &= ~(1<<7); PORTB &= ~(1<<7); }
81 static inline void ergodox_left_led_1_off(void) { ergodox_left_led_1 = 0; }
82 static inline void ergodox_left_led_2_off(void) { ergodox_left_led_2 = 0; }
83 static inline void ergodox_left_led_3_off(void) { ergodox_left_led_3 = 0; }
85 static inline void ergodox_led_all_on(void)
87 ergodox_board_led_on();
88 ergodox_right_led_1_on();
89 ergodox_right_led_2_on();
90 ergodox_right_led_3_on();
91 ergodox_left_led_1_on();
92 ergodox_left_led_2_on();
93 ergodox_left_led_3_on();
94 ergodox_left_leds_update();
97 static inline void ergodox_led_all_off(void)
99 ergodox_board_led_off();
100 ergodox_right_led_1_off();
101 ergodox_right_led_2_off();
102 ergodox_right_led_3_off();
103 ergodox_left_led_1_off();
104 ergodox_left_led_2_off();
105 ergodox_left_led_3_off();
106 ergodox_left_leds_update();
109 static inline void ergodox_right_led_1_set(uint8_t n) { OCR1A = n; }
110 static inline void ergodox_right_led_2_set(uint8_t n) { OCR1B = n; }
111 static inline void ergodox_right_led_3_set(uint8_t n) { OCR1C = n; }
113 static inline void ergodox_led_all_set(uint8_t n)
115 ergodox_right_led_1_set(n);
116 ergodox_right_led_2_set(n);
117 ergodox_right_led_3_set(n);