path: root/keyboards/zeal60/rgb_backlight.c

/* Copyright 2017 Jason Williams (Wilba)
 *
 * 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/>.
 */
#if RGB_BACKLIGHT_ENABLED

#if defined (RGB_BACKLIGHT_ZEAL60) || defined (RGB_BACKLIGHT_ZEAL65) || defined (RGB_BACKLIGHT_M60_A)
#else
#error None of the following was defined: RGB_BACKLIGHT_ZEAL60, RGB_BACKLIGHT_ZEAL65, RGB_BACKLIGHT_M60_A
#endif

#include "zeal60.h"
#include "rgb_backlight.h"
#include "rgb_backlight_api.h"
#include "rgb_backlight_keycodes.h"

#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include "progmem.h"

#include "quantum/color.h"
#include "drivers/avr/i2c_master.h"
#include "drivers/issi/is31fl3731.h"

#define BACKLIGHT_EFFECT_MAX 10

backlight_config g_config = {
	.use_split_backspace = RGB_BACKLIGHT_USE_SPLIT_BACKSPACE,
	.use_split_left_shift = RGB_BACKLIGHT_USE_SPLIT_LEFT_SHIFT,
	.use_split_right_shift = RGB_BACKLIGHT_USE_SPLIT_RIGHT_SHIFT,
	.use_7u_spacebar = RGB_BACKLIGHT_USE_7U_SPACEBAR,
	.use_iso_enter = RGB_BACKLIGHT_USE_ISO_ENTER,
	.disable_hhkb_blocker_leds = RGB_BACKLIGHT_DISABLE_HHKB_BLOCKER_LEDS,
	.disable_when_usb_suspended = RGB_BACKLIGHT_DISABLE_WHEN_USB_SUSPENDED,
	.disable_after_timeout = RGB_BACKLIGHT_DISABLE_AFTER_TIMEOUT,
	.brightness = 255,
	.effect = RGB_BACKLIGHT_EFFECT,
	.effect_speed = 0,
	.color_1 = { .h = 0, .s = 255, .v = 255 },
	.color_2 = { .h = 127, .s = 255, .v = 255 },
	.caps_lock_indicator = { .color = { .h = 0, .s = 0, .v = 255 }, .index = 255 },
	.layer_1_indicator = { .color = { .h = 0, .s = 0, .v = 255 }, .index = 255 },
	.layer_2_indicator = { .color = { .h = 0, .s = 0, .v = 255 }, .index = 255 },
	.layer_3_indicator = { .color = { .h = 0, .s = 0, .v = 255 }, .index = 255 },
	.alphas_mods = {
		RGB_BACKLIGHT_ALPHAS_MODS_ROW_0,
		RGB_BACKLIGHT_ALPHAS_MODS_ROW_1,
		RGB_BACKLIGHT_ALPHAS_MODS_ROW_2,
		RGB_BACKLIGHT_ALPHAS_MODS_ROW_3,
		RGB_BACKLIGHT_ALPHAS_MODS_ROW_4 }
};

bool g_suspend_state = false;
uint8_t g_indicator_state = 0;

// Global tick at 20 Hz
uint32_t g_tick = 0;

// Ticks since this key was last hit.
uint8_t g_key_hit[72];

// Ticks since any key was last hit.
uint32_t g_any_key_hit = 0;

// This is a 7-bit address, that gets left-shifted and bit 0
// set to 0 for write, 1 for read (as per I2C protocol)
#define ISSI_ADDR_1 0x74
#define ISSI_ADDR_2 0x76

const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
/* Refer to IS31 manual for these locations
 *   driver
 *   |  R location
 *   |  |      G location
 *   |  |      |      B location
 *   |  |      |      | */
	{0, C2_1,  C3_1,  C4_1},  // LA0
	{0, C1_1,  C3_2, C4_2},   // LA1
	{0, C1_2,  C2_2, C4_3},   // LA2
	{0, C1_3,  C2_3, C3_3},   // LA3
	{0, C1_4,  C2_4, C3_4},   // LA4
	{0, C1_5,  C2_5, C3_5},   // LA5
	{0, C1_6,  C2_6, C3_6},   // LA6
	{0, C1_7,  C2_7, C3_7},   // LA7
	{0, C1_8,  C2_8, C3_8},   // LA8
	{0, C9_1,  C8_1,  C7_1},  // LA9
	{0, C9_2,  C8_2, C7_2},   // LA10
	{0, C9_3,  C8_3, C7_3},   // LA11
	{0, C9_4,  C8_4, C7_4},   // LA12
	{0, C9_5,  C8_5, C7_5},   // LA13
	{0, C9_6,  C8_6, C7_6},   // LA14
	{0, C9_7,  C8_7, C6_6},   // LA15
	{0, C9_8,  C7_7, C6_7},   // LA16
	{0, C8_8,  C7_8, C6_8},   // LA17

	{0, C2_9,  C3_9,  C4_9},  // LB0
	{0, C1_9,  C3_10, C4_10}, // LB1
	{0, C1_10, C2_10, C4_11}, // LB2
	{0, C1_11, C2_11, C3_11}, // LB3
	{0, C1_12, C2_12, C3_12}, // LB4
	{0, C1_13, C2_13, C3_13}, // LB5
	{0, C1_14, C2_14, C3_14}, // LB6
	{0, C1_15, C2_15, C3_15}, // LB7
	{0, C1_16, C2_16, C3_16}, // LB8
	{0, C9_9,  C8_9,  C7_9},  // LB9
	{0, C9_10, C8_10, C7_10}, // LB10
	{0, C9_11, C8_11, C7_11}, // LB11
	{0, C9_12, C8_12, C7_12}, // LB12
	{0, C9_13, C8_13, C7_13}, // LB13
	{0, C9_14, C8_14, C7_14}, // LB14
	{0, C9_15, C8_15, C6_14}, // LB15
	{0, C9_16, C7_15, C6_15}, // LB16
	{0, C8_16, C7_16, C6_16}, // LB17

	{1, C2_1,  C3_1,  C4_1},  // LC0
	{1, C1_1,  C3_2, C4_2},   // LC1
	{1, C1_2,  C2_2, C4_3},   // LC2
	{1, C1_3,  C2_3, C3_3},   // LC3
	{1, C1_4,  C2_4, C3_4},   // LC4
	{1, C1_5,  C2_5, C3_5},   // LC5
	{1, C1_6,  C2_6, C3_6},   // LC6
	{1, C1_7,  C2_7, C3_7},   // LC7
	{1, C1_8,  C2_8, C3_8},   // LC8
	{1, C9_1,  C8_1,  C7_1},  // LC9
	{1, C9_2,  C8_2, C7_2},   // LC10
	{1, C9_3,  C8_3, C7_3},   // LC11
	{1, C9_4,  C8_4, C7_4},   // LC12
	{1, C9_5,  C8_5, C7_5},   // LC13
	{1, C9_6,  C8_6, C7_6},   // LC14
	{1, C9_7,  C8_7, C6_6},   // LC15
	{1, C9_8,  C7_7, C6_7},   // LC16
	{1, C8_8,  C7_8, C6_8},   // LC17

	{1, C2_9,  C3_9,  C4_9},  // LD0
	{1, C1_9,  C3_10, C4_10}, // LD1
	{1, C1_10, C2_10, C4_11}, // LD2
	{1, C1_11, C2_11, C3_11}, // LD3
	{1, C1_12, C2_12, C3_12}, // LD4
	{1, C1_13, C2_13, C3_13}, // LD5
	{1, C1_14, C2_14, C3_14}, // LD6
	{1, C1_15, C2_15, C3_15}, // LD7
	{1, C1_16, C2_16, C3_16}, // LD8
	{1, C9_9,  C8_9,  C7_9},  // LD9
	{1, C9_10, C8_10, C7_10}, // LD10
	{1, C9_11, C8_11, C7_11}, // LD11
	{1, C9_12, C8_12, C7_12}, // LD12
	{1, C9_13, C8_13, C7_13}, // LD13
	{1, C9_14, C8_14, C7_14}, // LD14
	{1, C9_15, C8_15, C6_14}, // LD15
	{1, C9_16, C7_15, C6_15}, // LD16
	{1, C8_16, C7_16, C6_16}, // LD17
};



typedef struct Point {
	uint8_t x;
	uint8_t y;
} Point;


// index in range 0..71 (LA0..LA17, LB0..LB17, LC0..LC17, LD0..LD17)
// point values in range x=0..224 y=0..64
// origin is center of top-left key (i.e Esc)
#if defined (RGB_BACKLIGHT_ZEAL65)
const Point g_map_led_to_point[72] PROGMEM = {
	// LA0..LA17
	{120,16}, {104,16}, {88,16}, {72,16}, {56,16}, {40,16}, {24,16}, {4,16}, {4,32},
	{128,0}, {112,0}, {96,0}, {80,0}, {64,0}, {48,0}, {32,0}, {16,0}, {0,0},
	// LB0..LB17
	{144,0}, {160,0}, {176,0}, {192,0}, {216,0}, {224,0}, {240,0}, {240,16}, {240,32},
	{136,16}, {152,16}, {168,16}, {184,16}, {200,16}, {220,16}, {240,48}, {240,64}, {224,64},
	// LC0..LC17
	{96,64}, {100,48}, {84,48}, {68,48}, {52,48}, {36,48}, {255,255}, {48,60}, {28,64},
	{108,32}, {92,32}, {76,32}, {60,32}, {44,32}, {28,32}, {20,44}, {10,48}, {4,64},
	// LD0..LD17
	{124,32}, {140,32}, {156,32}, {172,32}, {188,32}, {214,32}, {180,48}, {202,48}, {224,48},
	{116,48}, {132,48}, {148,48}, {164,48}, {255,255}, {144,60}, {164,64}, {188,64}, {208,64}
};
const Point g_map_led_to_point_polar[72] PROGMEM = {
	// LA0..LA17
	{64,128}, {75,132}, {84,145}, {91,164}, {97,187}, {102,213}, {105,242}, {109,255}, {128,247},
	{61,255}, {67,255}, {72,255}, {77,255}, {82,255}, {86,255}, {90,255}, {93,255}, {96,255},
	// LB0..LB17
	{56,255}, {51,255}, {46,255}, {42,255}, {37,255}, {35,255}, {32,255}, {19,255}, {0,255},
	{53,132}, {44,145}, {37,164}, {31,187}, {26,213}, {22,249}, {237,255}, {224,255}, {221,255},
	// LC0..LC17
	{184,255}, {179,135}, {170,149}, {163,169}, {157,193}, {153,220}, {255,255}, {167,255}, {165,255},
	{128,26}, {128,60}, {128,94}, {128,128}, {128,162}, {128,196}, {145,233}, {148,255}, {161,255},
	// LD0..LD17
	{0,9}, {0,43}, {0,77}, {0,111}, {0,145}, {255,201}, {224,181}, {230,217}, {235,255},
	{189,128}, {200,131}, {210,141}, {218,159}, {201,228}, {201,228}, {206,255}, {213,255}, {218,255}
};
#elif defined (RGB_BACKLIGHT_ZEAL60) || defined (RGB_BACKLIGHT_M60_A)
const Point g_map_led_to_point[72] PROGMEM = {
	// LA0..LA17
	{120,16}, {104,16}, {88,16}, {72,16}, {56,16}, {40,16}, {24,16}, {4,16}, {4,32},
	{128,0}, {112,0}, {96,0}, {80,0}, {64,0}, {48,0}, {32,0}, {16,0}, {0,0},
	// LB0..LB17
	{144,0}, {160,0}, {176,0}, {192,0}, {216,0}, {224,0}, {255,255}, {255,255}, {255,255},
	{136,16}, {152,16}, {168,16}, {184,16}, {200,16}, {220,16}, {255,255}, {255,255}, {255,255},
	// LC0..LC17
	{102,64}, {100,48}, {84,48}, {68,48}, {52,48}, {36,48}, {60,64}, {43,64}, {23,64},
	{108,32}, {92,32}, {76,32}, {60,32}, {44,32}, {28,32}, {20,48}, {2,48}, {3,64},
	// LD0..LD17
	{124,32}, {140,32}, {156,32}, {172,32}, {188,32}, {214,32}, {180,48}, {210,48}, {224,48},
	{116,48}