120 lines
4.5 KiB
C
120 lines
4.5 KiB
C
/*
|
|
Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
|
|
|
|
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/>.
|
|
|
|
|
|
Copyright (c) 2012, 2013 Ben Blazak <benblazak.dev@gmail.com>
|
|
Released under The MIT License (see "doc/licenses/MIT.md")
|
|
Project located at <https://github.com/benblazak/ergodox-firmware>
|
|
|
|
Most used files are located at
|
|
<https://github.com/benblazak/ergodox-firmware/tree/partial-rewrite/firmware/keyboard/ergodox/controller>
|
|
|
|
*/
|
|
|
|
#ifndef ERGODOX_H
|
|
#define ERGODOX_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <avr/io.h>
|
|
#include "i2cmaster.h"
|
|
|
|
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
|
|
#define CPU_16MHz 0x00
|
|
|
|
// I2C aliases and register addresses (see "mcp23018.md")
|
|
#define I2C_ADDR 0b0100000
|
|
#define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
|
|
#define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
|
|
#define IODIRA 0x00 // i/o direction register
|
|
#define IODIRB 0x01
|
|
#define GPPUA 0x0C // GPIO pull-up resistor register
|
|
#define GPPUB 0x0D
|
|
#define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
|
|
#define GPIOB 0x13
|
|
#define OLATA 0x14 // output latch register
|
|
#define OLATB 0x15
|
|
|
|
extern uint8_t mcp23018_status;
|
|
|
|
void init_ergodox(void);
|
|
void ergodox_blink_all_leds(void);
|
|
uint8_t init_mcp23018(void);
|
|
uint8_t ergodox_left_leds_update(void);
|
|
|
|
#define LED_BRIGHTNESS_LO 31
|
|
#define LED_BRIGHTNESS_HI 255
|
|
|
|
#define LEFT_LED_1_SHIFT 7 // in MCP23018 port B
|
|
#define LEFT_LED_2_SHIFT 6 // in MCP23018 port B
|
|
#define LEFT_LED_3_SHIFT 7 // in MCP23018 port A
|
|
|
|
extern bool ergodox_left_led_1; // left top
|
|
extern bool ergodox_left_led_2; // left middle
|
|
extern bool ergodox_left_led_3; // left bottom
|
|
|
|
static inline void ergodox_board_led_on(void) { DDRD |= (1<<6); PORTD |= (1<<6); }
|
|
static inline void ergodox_right_led_1_on(void) { DDRB |= (1<<5); PORTB |= (1<<5); }
|
|
static inline void ergodox_right_led_2_on(void) { DDRB |= (1<<6); PORTB |= (1<<6); }
|
|
static inline void ergodox_right_led_3_on(void) { DDRB |= (1<<7); PORTB |= (1<<7); }
|
|
static inline void ergodox_left_led_1_on(void) { ergodox_left_led_1 = 1; }
|
|
static inline void ergodox_left_led_2_on(void) { ergodox_left_led_2 = 1; }
|
|
static inline void ergodox_left_led_3_on(void) { ergodox_left_led_3 = 1; }
|
|
|
|
static inline void ergodox_board_led_off(void) { DDRD &= ~(1<<6); PORTD &= ~(1<<6); }
|
|
static inline void ergodox_right_led_1_off(void) { DDRB &= ~(1<<5); PORTB &= ~(1<<5); }
|
|
static inline void ergodox_right_led_2_off(void) { DDRB &= ~(1<<6); PORTB &= ~(1<<6); }
|
|
static inline void ergodox_right_led_3_off(void) { DDRB &= ~(1<<7); PORTB &= ~(1<<7); }
|
|
static inline void ergodox_left_led_1_off(void) { ergodox_left_led_1 = 0; }
|
|
static inline void ergodox_left_led_2_off(void) { ergodox_left_led_2 = 0; }
|
|
static inline void ergodox_left_led_3_off(void) { ergodox_left_led_3 = 0; }
|
|
|
|
static inline void ergodox_led_all_on(void)
|
|
{
|
|
ergodox_board_led_on();
|
|
ergodox_right_led_1_on();
|
|
ergodox_right_led_2_on();
|
|
ergodox_right_led_3_on();
|
|
ergodox_left_led_1_on();
|
|
ergodox_left_led_2_on();
|
|
ergodox_left_led_3_on();
|
|
ergodox_left_leds_update();
|
|
}
|
|
|
|
static inline void ergodox_led_all_off(void)
|
|
{
|
|
ergodox_board_led_off();
|
|
ergodox_right_led_1_off();
|
|
ergodox_right_led_2_off();
|
|
ergodox_right_led_3_off();
|
|
ergodox_left_led_1_off();
|
|
ergodox_left_led_2_off();
|
|
ergodox_left_led_3_off();
|
|
ergodox_left_leds_update();
|
|
}
|
|
|
|
static inline void ergodox_right_led_1_set(uint8_t n) { OCR1A = n; }
|
|
static inline void ergodox_right_led_2_set(uint8_t n) { OCR1B = n; }
|
|
static inline void ergodox_right_led_3_set(uint8_t n) { OCR1C = n; }
|
|
|
|
static inline void ergodox_led_all_set(uint8_t n)
|
|
{
|
|
ergodox_right_led_1_set(n);
|
|
ergodox_right_led_2_set(n);
|
|
ergodox_right_led_3_set(n);
|
|
}
|
|
|
|
#endif
|