/* ----------------------------------------------------------------------------
 * ergoDOX : controller specific exports
 * ----------------------------------------------------------------------------
 * Copyright (c) 2012 Ben Blazak <benblazak.dev@gmail.com>
 * Released under The MIT License (MIT) (see "license.md")
 * Project located at <https://github.com/benblazak/ergodox-firmware>
 * ------------------------------------------------------------------------- */

#pragma once

// for "lib/twi.h"
#define TWI_FREQ 400000

#include <stdbool.h>
#include <stdint.h>
#include <util/twi.h>
#include "../lib/teensy-2-0.h"
#include "./options.h"
#include "./matrix.h"
#include <avr/io.h>
#include <util/delay.h>

// --------------------------------------------------------------------

uint8_t kb_init(void);
uint8_t kb_update_matrix(bool matrix[KB_ROWS][KB_COLUMNS]);

// --------------------------------------------------------------------

#define MCP23018_TWI_ADDRESS 0b0100000

uint8_t mcp23018_init(void);
uint8_t mcp23018_update_matrix( bool matrix[KB_ROWS][KB_COLUMNS] );

// --------------------------------------------------------------------

uint8_t teensy_init(void);
uint8_t teensy_update_matrix( bool matrix[KB_ROWS][KB_COLUMNS] );

// --------------------------------------------------------------------

#define _kb_led_1_on()           (DDRB |=  (1<<5))
#define _kb_led_1_off()          (DDRB &= ~(1<<5))
#define _kb_led_1_set(n)         (OCR1A = (uint8_t)(n))
#define _kb_led_1_set_percent(n) (OCR1A = (uint8_t)((n) * 0xFF))

#define _kb_led_2_on()           (DDRB |=  (1<<6))
#define _kb_led_2_off()          (DDRB &= ~(1<<6))
#define _kb_led_2_set(n)         (OCR1B = (uint8_t)(n))
#define _kb_led_2_set_percent(n) (OCR1B = (uint8_t)((n) * 0xFF))

#define _kb_led_3_on()           (DDRB |=  (1<<7))
#define _kb_led_3_off()          (DDRB &= ~(1<<7))
#define _kb_led_3_set(n)         (OCR1C = (uint8_t)(n))
#define _kb_led_3_set_percent(n) (OCR1C = (uint8_t)((n) * 0xFF))


#define _kb_led_all_on() do {                   \
		_kb_led_1_on();                             \
		_kb_led_2_on();                             \
		_kb_led_3_on();                             \
  } while(0)

#define _kb_led_all_off() do {                  \
		_kb_led_1_off();                            \
		_kb_led_2_off();                            \
		_kb_led_3_off();                            \
  } while(0)

#define _kb_led_all_set(n) do {                 \
		_kb_led_1_set(n);                           \
		_kb_led_2_set(n);                           \
		_kb_led_3_set(n);                           \
  } while(0)

#define _kb_led_all_set_percent(n) do {         \
		_kb_led_1_set_percent(n);                   \
		_kb_led_2_set_percent(n);                   \
		_kb_led_3_set_percent(n);                   \
  } while(0)