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qmk_firmware/keyboards/zeal60/rgb_backlight.c

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/* 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}, {132,48}, {148,48}, {164,48}, {144,64}, {161,64}, {181,64}, {201,64}, {221,64}
};
const Point g_map_led_to_point_polar[72] PROGMEM = {
// LA0..LA17
{58,129}, {70,129}, {80,139}, {89,157}, {96,181}, {101,208}, {105,238}, {109,255}, {128,247}, {58,255},
{64,255}, {70,255}, {75,255}, {80,255}, {85,255}, {89,255}, {93,255}, {96,255},
// LB0..LB17
{53,255}, {48,255}, {43,255}, {39,255}, {34,255}, {32,255}, {255,255}, {255,255}, {255,255},
{48,139}, {39,157}, {32,181}, {27,208}, {23,238}, {19,255}, {255,255}, {255,255}, {255,255},
// LC0..LC17
{188,255}, {183,131}, {173,143}, {165,163}, {159,188}, {154,216}, {172,252}, {170,255}, {165,255},
{128,9}, {128,46}, {128,82}, {128,119}, {128,155}, {128,192}, {150,244}, {147,255}, {161,255},
// LD0..LD17
{0,27}, {0,64}, {0,101}, {0,137}, {0,174}, {255,233}, {228,201}, {235,255}, {237,255},
{195,128}, {206,136}, {215,152}, {222,175}, {205,234}, {209,255}, {214,255}, {219,255}, {223,255}
};
#endif
// This may seem counter-intuitive, but it's quite flexible.
// For each LED, get it's position to decide what color to make it.
// This solves the issue of LEDs (and switches) not aligning to a grid,
// or having a large "bitmap" and sampling them.
void map_led_to_point( uint8_t index, Point *point )
{
// Slightly messy way to get Point structs out of progmem.
uint8_t *addr = (uint8_t*)&g_map_led_to_point[index];
point->x = pgm_read_byte(addr);
point->y = pgm_read_byte(addr+1);
switch (index)
{
case 18+4: // LB4A
if ( g_config.use_split_backspace )
point->x -= 8;
break;
case 18+14: // LB14A
if ( g_config.use_iso_enter )
point->y += 8; // extremely pedantic
break;
#if defined (RGB_BACKLIGHT_ZEAL60) || defined (RGB_BACKLIGHT_M60_A)
case 36+0: // LC0A
if ( g_config.use_7u_spacebar )
point->x += 10;
break;
case 36+6: // LC6A
if ( g_config.use_7u_spacebar )
point->x += 4;
break;
#endif
case 36+16: // LC16A
if ( !g_config.use_split_left_shift )
point->x += 8;
break;
case 54+5: // LD5A
if ( !g_config.use_iso_enter )
point->x -= 10;
break;
case 54+7: // LD7A
if ( !g_config.use_split_right_shift )
point->x -= 8;
break;
}
}
void map_led_to_point_polar( uint8_t index, Point *point )
{
// Slightly messy way to get Point structs out of progmem.
uint8_t *addr = (uint8_t*)&g_map_led_to_point_polar[index];
point->x = pgm_read_byte(addr);
point->y = pgm_read_byte(addr+1);
}
//
// Maps switch matrix coordinate (row,col) to LED index
//
#if defined (RGB_BACKLIGHT_ZEAL65)
// Note: Left spacebar stab is at 4,3 (LC7)
// Right spacebar stab is at 4,9 (D14)
//
// A17, A16, A15, A14, A13, A12, A11, A10, A9, B0, B1, B2, B3, B4, B6
// A7, A6, A5, A4, A3, A2, A1, A0, B9, B10, B11, B12, B13, B14, B7
// A8, C14, C13, C12, C11, C10, C9, D0, D1, D2, D3, D4, D5, B5, B8
// C16, C15, C5, C4, C3, C2, C1, D9, D10, D11, D12, D6, D7, D8, B15
// C17, C8, C7, ---, ---, ---, ---, C0, ---, D14, D15, D16, D17, B17, B16
const uint8_t g_map_row_column_to_led[MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
{ 0+17, 0+16, 0+15, 0+14, 0+13, 0+12, 0+11, 0+10, 0+9, 18+0, 18+1, 18+2, 18+3, 18+4, 18+6 },
{ 0+7, 0+6, 0+5, 0+4, 0+3, 0+2, 0+1, 0+0, 18+9, 18+10, 18+11, 18+12, 18+13, 18+14, 18+7 },
{ 0+8, 36+14, 36+13, 36+12, 36+11, 36+10, 36+9, 54+0, 54+1, 54+2, 54+3, 54+4, 54+5, 18+5, 18+8 },
{ 36+16, 36+15, 36+5, 36+4, 36+3, 36+2, 36+1, 54+9, 54+10, 54+11, 54+12, 54+6, 54+7, 54+8, 18+15 },
{ 36+17, 36+8, 36+7, 255, 255, 255, 255, 36+0, 255, 54+14, 54+15, 54+16, 54+17, 18+17, 18+16 }
};
#elif defined (RGB_BACKLIGHT_ZEAL60) || defined (RGB_BACKLIGHT_M60_A)
// Note: Left spacebar stab is at 4,3 (LC6)
// Right spacebar stab is at 4,9 (LD13) or 4,10 (LD14)
//
// A17, A16, A15, A14, A13, A12, A11, A10, A9, B0, B1, B2, B3, B4,
// A7, A6, A5, A4, A3, A2, A1, A0, B9, B10, B11, B12, B13, B14,
// A8, C14, C13, C12, C11, C10, C9, D0, D1, D2, D3, D4, D5, B5,
// C16, C15, C5, C4, C3, C2, C1, D9, D10, D11, D12, D6, D7, D8,
// C17, C8, C7, C6, ---, ---, ---, C0, ---, D13, D14, D15, D16, D17,
const uint8_t g_map_row_column_to_led[MATRIX_ROWS][MATRIX_COLS] PROGMEM = {
{ 0+17, 0+16, 0+15, 0+14, 0+13, 0+12, 0+11, 0+10, 0+9, 18+0, 18+1, 18+2, 18+3, 18+4 },
{ 0+7, 0+6, 0+5, 0+4, 0+3, 0+2, 0+1, 0+0, 18+9, 18+10, 18+11, 18+12, 18+13, 18+14 },
{ 0+8, 36+14, 36+13, 36+12, 36+11, 36+10, 36+9, 54+0, 54+1, 54+2, 54+3, 54+4, 54+5, 18+5 },
{ 36+16, 36+15, 36+5, 36+4, 36+3, 36+2, 36+1, 54+9, 54+10, 54+11, 54+12, 54+6, 54+7, 54+8 },
{ 36+17, 36+8, 36+7, 36+6, 255, 255, 255, 36+0, 255, 54+13, 54+14, 54+15, 54+16, 54+17 }
};
#endif
void map_row_column_to_led( uint8_t row, uint8_t column, uint8_t *led )
{
*led = 255;
if ( row < MATRIX_ROWS && column < MATRIX_COLS )
{
*led = pgm_read_byte(&g_map_row_column_to_led[row][column]);
}
}
void backlight_update_pwm_buffers(void)
{
IS31FL3731_update_pwm_buffers( ISSI_ADDR_1, ISSI_ADDR_2 );
IS31FL3731_update_led_control_registers( ISSI_ADDR_1, ISSI_ADDR_2 );
}
void backlight_set_color( int index, uint8_t red, uint8_t green, uint8_t blue )
{
IS31FL3731_set_color( index, red, green, blue );
}
void backlight_set_color_all( uint8_t red, uint8_t green, uint8_t blue )
{
IS31FL3731_set_color_all( red, green, blue );
}
void backlight_set_key_hit(uint8_t row, uint8_t column)
{
uint8_t led;
map_row_column_to_led(row,column,&led);
g_key_hit[led] = 0;
g_any_key_hit = 0;
}
// This is (F_CPU/1024) / 20 Hz
// = 15625 Hz / 20 Hz
// = 781
#define TIMER3_TOP 781
void backlight_timer_init(void)
{
static uint8_t backlight_timer_is_init = 0;
if ( backlight_timer_is_init )
{
return;
}
backlight_timer_is_init = 1;
// Timer 3 setup
TCCR3B = _BV(WGM32) | // CTC mode OCR3A as TOP
_BV(CS32) | _BV(CS30); // prescale by /1024
// Set TOP value
uint8_t sreg = SREG;
cli();
OCR3AH = (TIMER3_TOP >> 8) & 0xff;
OCR3AL = TIMER3_TOP & 0xff;
SREG = sreg;
}
void backlight_timer_enable(void)
{
TIMSK3 |= _BV(OCIE3A);
}
void backlight_timer_disable(void)
{
TIMSK3 &= ~_BV(OCIE3A);
}
void backlight_set_suspend_state(bool state)
{
g_suspend_state = state;
}
void backlight_set_indicator_state(uint8_t state)
{
g_indicator_state = state;
}
void backlight_effect_rgb_test(void)
{
// Mask out bits 4 and 5
// This 2-bit value will stay the same for 16 ticks.
switch ( (g_tick & 0x30) >> 4 )
{
case 0:
{
backlight_set_color_all( 255, 0, 0 );
break;
}
case 1:
{
backlight_set_color_all( 0, 255, 0 );
break;
}
case 2:
{
backlight_set_color_all( 0, 0, 255 );
break;
}
case 3:
{
backlight_set_color_all( 255, 255, 255 );
break;
}
}
}
// This tests the LEDs
// Note that it will change the LED control registers
// in the LED drivers, and leave them in an invalid
// state for other backlight effects.
// ONLY USE THIS FOR TESTING LEDS!
void backlight_effect_single_LED_test(void)
{
static uint8_t color = 0; // 0,1,2 for R,G,B
static uint8_t row = 0;
static uint8_t column = 0;
static uint8_t tick = 0;
tick++;
if ( tick > 2 )
{
tick = 0;
column++;
}
if ( column > 14 )
{
column = 0;
row++;
}
if ( row > 4 )
{
row = 0;
color++;
}
if ( color > 2 )
{
color = 0;
}
uint8_t led;
map_row_column_to_led( row, column, &led );
backlight_set_color_all( 255, 255, 255 );
backlight_test_led( led, color==0, color==1, color==2 );
}
// All LEDs off
void backlight_effect_all_off(void)
{
backlight_set_color_all( 0, 0, 0 );
}
// Solid color
void backlight_effect_solid_color(void)
{
HSV hsv = { .h = g_config.color_1.h, .s = g_config.color_1.s, .v = g_config.brightness };
RGB rgb = hsv_to_rgb( hsv );
backlight_set_color_all( rgb.r, rgb.g, rgb.b );
}
// alphas = color1, mods = color2
void backlight_effect_alphas_mods(void)
{
RGB rgb1 = hsv_to_rgb( (HSV){ .h = g_config.color_1.h, .s = g_config.color_1.s, .v = g_config.brightness } );
RGB rgb2 = hsv_to_rgb( (HSV){ .h = g_config.color_2.h, .s = g_config.color_2.s, .v = g_config.brightness } );
for ( int row = 0; row < MATRIX_ROWS; row++ )
{
for ( int column = 0; column < MATRIX_COLS; column++ )
{
uint8_t index;
map_row_column_to_led( row, column, &index );
if ( index < 72 )
{
if ( ( g_config.alphas_mods[row] & (1<<column) ) == 0 )
{
backlight_set_color( index, rgb1.r, rgb1.g, rgb1.b );
}
else
{
backlight_set_color( index, rgb2.r, rgb2.g, rgb2.b );
}
}
}
}
}
void backlight_effect_gradient_up_down(void)
{
int16_t h1 = g_config.color_1.h;
int16_t h2 = g_config.color_2.h;
int16_t deltaH = h2 - h1;
// Take the shortest path between hues
if ( deltaH > 127 )
{
deltaH -= 256;
}
else if ( deltaH < -127 )
{
deltaH += 256;
}
// Divide delta by 4, this gives the delta per row
deltaH /= 4;
int16_t s1 = g_config.color_1.s;
int16_t s2 = g_config.color_2.s;
int16_t deltaS = ( s2 - s1 ) / 4;
HSV hsv = { .h = 0, .s = 255, .v = g_config.brightness };
RGB rgb;
Point point;
for ( int i=0; i<72; i++ )
{
map_led_to_point( i, &point );
// The y range will be 0..64, map this to 0..4
uint8_t y = (point.y>>4);
// Relies on hue being 8-bit and wrapping
hsv.h = g_config.color_1.h + ( deltaH * y );
hsv.s = g_config.color_1.s + ( deltaS * y );
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_raindrops(bool initialize)
{
int16_t h1 = g_config.color_1.h;
int16_t h2 = g_config.color_2.h;
int16_t deltaH = h2 - h1;
deltaH /= 4;
// Take the shortest path between hues
if ( deltaH > 127 )
{
deltaH -= 256;
}
else if ( deltaH < -127 )
{
deltaH += 256;
}
int16_t s1 = g_config.color_1.s;
int16_t s2 = g_config.color_2.s;
int16_t deltaS = ( s2 - s1 ) / 4;
HSV hsv;
RGB rgb;
// Change one LED every tick
uint8_t led_to_change = ( g_tick & 0x000 ) == 0 ? rand() % 72 : 255;
for ( int i=0; i<72; i++ )
{
// If initialize, all get set to random colors
// If not, all but one will stay the same as before.
if ( initialize || i == led_to_change )
{
hsv.h = h1 + ( deltaH * ( rand() & 0x03 ) );
hsv.s = s1 + ( deltaS * ( rand() & 0x03 ) );
// Override brightness with global brightness control
hsv.v = g_config.brightness;;
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
}
void backlight_effect_cycle_all(void)
{
uint8_t offset = ( g_tick << g_config.effect_speed ) & 0xFF;
// Relies on hue being 8-bit and wrapping
for ( int i=0; i<72; i++ )
{
uint16_t offset2 = g_key_hit[i]<<2;
// stabilizer LEDs use spacebar hits
if ( i == 36+6 || i == 54+13 || // LC6, LD13
( g_config.use_7u_spacebar && i == 54+14 ) ) // LD14
{
offset2 = g_key_hit[36+0]<<2;
}
offset2 = (offset2<=63) ? (63-offset2) : 0;
HSV hsv = { .h = offset+offset2, .s = 255, .v = g_config.brightness };
RGB rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_cycle_left_right(void)
{
uint8_t offset = ( g_tick << g_config.effect_speed ) & 0xFF;
HSV hsv = { .h = 0, .s = 255, .v = g_config.brightness };
RGB rgb;
Point point;
for ( int i=0; i<72; i++ )
{
uint16_t offset2 = g_key_hit[i]<<2;
// stabilizer LEDs use spacebar hits
if ( i == 36+6 || i == 54+13 || // LC6, LD13
( g_config.use_7u_spacebar && i == 54+14 ) ) // LD14
{
offset2 = g_key_hit[36+0]<<2;
}
offset2 = (offset2<=63) ? (63-offset2) : 0;
map_led_to_point( i, &point );
// Relies on hue being 8-bit and wrapping
hsv.h = point.x + offset + offset2;
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_cycle_up_down(void)
{
uint8_t offset = ( g_tick << g_config.effect_speed ) & 0xFF;
HSV hsv = { .h = 0, .s = 255, .v = g_config.brightness };
RGB rgb;
Point point;
for ( int i=0; i<72; i++ )
{
uint16_t offset2 = g_key_hit[i]<<2;
// stabilizer LEDs use spacebar hits
if ( i == 36+6 || i == 54+13 || // LC6, LD13
( g_config.use_7u_spacebar && i == 54+14 ) ) // LD14
{
offset2 = g_key_hit[36+0]<<2;
}
offset2 = (offset2<=63) ? (63-offset2) : 0;
map_led_to_point( i, &point );
// Relies on hue being 8-bit and wrapping
hsv.h = point.y + offset + offset2;
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_jellybean_raindrops( bool initialize )
{
HSV hsv;
RGB rgb;
// Change one LED every tick
uint8_t led_to_change = ( g_tick & 0x000 ) == 0 ? rand() % 72 : 255;
for ( int i=0; i<72; i++ )
{
// If initialize, all get set to random colors
// If not, all but one will stay the same as before.
if ( initialize || i == led_to_change )
{
hsv.h = rand() & 0xFF;
hsv.s = rand() & 0xFF;
// Override brightness with global brightness control
hsv.v = g_config.brightness;;
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
}
void backlight_effect_cycle_radial1(void)
{
uint8_t offset = ( g_tick << g_config.effect_speed ) & 0xFF;
HSV hsv = { .h = 0, .s = 255, .v = g_config.brightness };
RGB rgb;
Point point;
for ( int i=0; i<72; i++ )
{
map_led_to_point_polar( i, &point );
// Relies on hue being 8-bit and wrapping
hsv.h = point.x + offset;
hsv.s = point.y;
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_cycle_radial2(void)
{
uint8_t offset = ( g_tick << g_config.effect_speed ) & 0xFF;
HSV hsv = { .h = 0, .s = g_config.color_1.s, .v = g_config.brightness };
RGB rgb;
Point point;
for ( int i=0; i<72; i++ )
{
map_led_to_point_polar( i, &point );
uint8_t offset2 = offset + point.x;
if ( offset2 & 0x80 )
{
offset2 = ~offset2;
}
offset2 = offset2 >> 2;
hsv.h = g_config.color_1.h + offset2;
hsv.s = 127 + ( point.y >> 1 );
rgb = hsv_to_rgb( hsv );
backlight_set_color( i, rgb.r, rgb.g, rgb.b );
}
}
void backlight_effect_indicators_set_colors( uint8_t index, HSV hsv )
{
RGB rgb = hsv_to_rgb( hsv );
if ( index == 254 )
{
backlight_set_color_all( rgb.r, rgb.g, rgb.b );
}
else
{
backlight_set_color( index, rgb.r, rgb.g, rgb.b );
// If the spacebar LED is the indicator,
// do the same for the spacebar stabilizers
if ( index == 36+0 ) // LC0
{
#if defined (RGB_BACKLIGHT_ZEAL65)
backlight_set_color( 36+7, rgb.r, rgb.g, rgb.b ); // LC7
backlight_set_color( 54+14, rgb.r, rgb.g, rgb.b ); // LD14
#elif defined (RGB_BACKLIGHT_ZEAL60) || defined (RGB_BACKLIGHT_M60_A)
backlight_set_color( 36+6, rgb.r, rgb.g, rgb.b ); // LC6
backlight_set_color( 54+13, rgb.r, rgb.g, rgb.b ); // LD13
if ( g_config.use_7u_spacebar )
{
backlight_set_color( 54+14, rgb.r, rgb.g, rgb.b ); // LD14
}
#endif
}
}
}
// This runs after another backlight effect and replaces
// colors already set
void backlight_effect_indicators(void)
{
if ( g_config.caps_lock_indicator.index != 255 &&
( g_indicator_state & (1<<USB_LED_CAPS_LOCK) ) )
{
backlight_effect_indicators_set_colors( g_config.caps_lock_indicator.index, g_config.caps_lock_indicator.color );
}
// This if/else if structure allows higher layers to
// override lower ones. If we set layer 3's indicator
// to none, then it will NOT show layer 2 or layer 1
// indicators, even if those layers are on via the
// MO13/MO23 Fn combo magic.
//
// Basically we want to handle the case where layer 3 is
// still the backlight configuration layer and we don't
// want "all LEDs" indicators hiding the backlight effect,
// but still allow end users to do whatever they want.
if ( IS_LAYER_ON(3) )
{
if ( g_config.layer_3_indicator.index != 255 )
{
backlight_effect_indicators_set_colors( g_config.layer_3_indicator.index, g_config.layer_3_indicator.color );
}
}
else if ( IS_LAYER_ON(2) )
{
if ( g_config.layer_2_indicator.index != 255 )
{
backlight_effect_indicators_set_colors( g_config.layer_2_indicator.index, g_config.layer_2_indicator.color );
}
}
else if ( IS_LAYER_ON(1) )
{
if ( g_config.layer_1_indicator.index != 255 )
{
backlight_effect_indicators_set_colors( g_config.layer_1_indicator.index, g_config.layer_1_indicator.color );
}
}
}
ISR(TIMER3_COMPA_vect)
{
// delay 1 second before driving LEDs or doing anything else
static uint8_t startup_tick = 0;
if ( startup_tick < 20 )
{
startup_tick++;
return;
}
g_tick++;
if ( g_any_key_hit < 0xFFFFFFFF )
{
g_any_key_hit++;
}
for ( int led = 0; led < 72; led++ )
{
if ( g_key_hit[led] < 255 )
{
g_key_hit[led]++;
}
}
// Factory default magic value
if ( g_config.effect == 255 )
{
backlight_effect_rgb_test();
return;
}
// Ideally we would also stop sending zeros to the LED driver PWM buffers
// while suspended and just do a software shutdown. This is a cheap hack for now.
bool suspend_backlight = ((g_suspend_state && g_config.disable_when_usb_suspended) ||
(g_config.disable_after_timeout > 0 && g_any_key_hit > g_config.disable_after_timeout * 60 * 20));
uint8_t effect = suspend_backlight ? 0 : g_config.effect;
// Keep track of the effect used last time,
// detect change in effect, so each effect can
// have an optional initialization.
static uint8_t effect_last = 255;
bool initialize = effect != effect_last;
effect_last = effect;
// this gets ticked at 20 Hz.
// each effect can opt to do calculations
// and/or request PWM buffer updates.
switch ( effect )
{
case 0:
backlight_effect_all_off();
break;
case 1:
backlight_effect_solid_color();
break;
case 2:
backlight_effect_alphas_mods();
break;
case 3:
backlight_effect_gradient_up_down();
break;
case 4:
backlight_effect_raindrops( initialize );
break;
case 5:
backlight_effect_cycle_all();
break;
case 6:
backlight_effect_cycle_left_right();
break;
case 7:
backlight_effect_cycle_up_down();
break;
case 8:
backlight_effect_jellybean_raindrops( initialize );
break;
case 9:
backlight_effect_cycle_radial1();
break;
case 10:
backlight_effect_cycle_radial2();
break;
default:
backlight_effect_all_off();
break;
}
if ( ! suspend_backlight )
{
backlight_effect_indicators();
}
}
void backlight_set_indicator_index( uint8_t *index, uint8_t row, uint8_t column )
{
if ( row >= MATRIX_ROWS )
{
// Special value, 255=none, 254=all
*index = row;
}
else
{
map_row_column_to_led( row, column, index );
}
}
void backlight_get_indicator_row_col( uint8_t index, uint8_t *row, uint8_t *column )
{
if ( index == 255 || index == 254 )
{
// Special value, 255=none, 254=all
*row = index;
*column = 0;
return;
}
for ( uint8_t r = 0; r < MATRIX_ROWS; r++ )
{
for ( uint8_t c = 0; c < MATRIX_COLS; c++ )
{
uint8_t i = 255;
map_row_column_to_led( r, c, &i );
if ( i == index )
{
*row = r;
*column = c;
return;
}
}
}
}
// Some helpers for setting/getting HSV
void _set_color( HSV *color, uint8_t *data )
{
color->h = data[0];
color->s = data[1];
color->v = data[2];
}
void _get_color( HSV *color, uint8_t *data )
{
data[0] = color->h;
data[1] = color->s;
data[2] = color->v;
}
void backlight_config_set_value( uint8_t *data )
{
bool reinitialize = false;
uint8_t *value_id = &(data[0]);
uint8_t *value_data = &(data[1]);
switch ( *value_id )
{
#if defined (RGB_BACKLIGHT_ZEAL60) || defined(RGB_BACKLIGHT_ZEAL65)
case id_use_split_backspace:
{
g_config.use_split_backspace = (bool)*value_data;
reinitialize = true;
break;
}
#endif
#if defined (RGB_BACKLIGHT_ZEAL60)
case id_use_split_left_shift:
{
g_config.use_split_left_shift = (bool)*value_data;
reinitialize = true;
break;
}
case id_use_split_right_shift:
{
g_config.use_split_right_shift = (bool)*value_data;
reinitialize = true;
break;
}
case id_use_7u_spacebar:
{
g_config.use_7u_spacebar = (bool)*value_data;
reinitialize = true;
break;
}
case id_use_iso_enter:
{
g_config.use_iso_enter = (bool)*value_data;
reinitialize = true;
break;
}
case id_disable_hhkb_blocker_leds:
{
g_config.disable_hhkb_blocker_leds = (bool)*value_data;
reinitialize = true;
break;
}
#endif
case id_disable_when_usb_suspended:
{
g_config.disable_when_usb_suspended = (bool)*value_data;
break;
}
case id_disable_after_timeout:
{
g_config.disable_after_timeout = *value_data;
break;
}
case id_brightness:
{
g_config.brightness = *value_data;
break;
}
case id_effect:
{
g_config.effect = *value_data;
break;
}
case id_effect_speed:
{
g_config.effect_speed = *value_data;
break;
}
case id_color_1:
{
_set_color( &(g_config.color_1), value_data );
break;
}
case id_color_2:
{
_set_color( &(g_config.color_2), value_data );
break;
}
case id_caps_lock_indicator_color:
{
_set_color( &(g_config.caps_lock_indicator.color), value_data );
break;
}
case id_caps_lock_indicator_row_col:
{
backlight_set_indicator_index( &(g_config.caps_lock_indicator.index), value_data[0], value_data[1] );
break;
}
case id_layer_1_indicator_color:
{
_set_color( &(g_config.layer_1_indicator.color), value_data );
break;
}
case id_layer_1_indicator_row_col:
{
backlight_set_indicator_index( &(g_config.layer_1_indicator.index), value_data[0], value_data[1] );
break;
}
case id_layer_2_indicator_color:
{
_set_color( &(g_config.layer_2_indicator.color), value_data );
break;
}
case id_layer_2_indicator_row_col:
{
backlight_set_indicator_index( &(g_config.layer_2_indicator.index), value_data[0], value_data[1] );
break;
}
case id_layer_3_indicator_color:
{
_set_color( &(g_config.layer_3_indicator.color), value_data );
break;
}
case id_layer_3_indicator_row_col:
{
backlight_set_indicator_index( &(g_config.layer_3_indicator.index), value_data[0], value_data[1] );
break;
}
case id_alphas_mods:
{
for ( int i=0; i<5; i++ )
{
g_config.alphas_mods[i] = ( *(value_data+i*2) << 8 ) | ( *(value_data+i*2+1) );
}
}
}
if ( reinitialize )
{
backlight_init_drivers();
}
}
void backlight_config_get_value( uint8_t *data )
{
uint8_t *value_id = &(data[0]);
uint8_t *value_data = &(data[1]);
switch ( *value_id )
{
case id_use_split_backspace:
{
*value_data = ( g_config.use_split_backspace ? 1 : 0 );
break;
}
case id_use_split_left_shift:
{
*value_data = ( g_config.use_split_left_shift ? 1 : 0 );
break;
}
case id_use_split_right_shift:
{
*value_data = ( g_config.use_split_right_shift ? 1 : 0 );
break;
}
case id_use_7u_spacebar:
{
*value_data = ( g_config.use_7u_spacebar ? 1 : 0 );
break;
}
case id_use_iso_enter:
{
*value_data = ( g_config.use_iso_enter ? 1 : 0 );
break;
}
case id_disable_when_usb_suspended:
{
*value_data = ( g_config.disable_when_usb_suspended ? 1 : 0 );
break;
}
case id_disable_hhkb_blocker_leds:
{
*value_data = ( g_config.disable_hhkb_blocker_leds ? 1 : 0 );
break;
}
case id_disable_after_timeout:
{
*value_data = g_config.disable_after_timeout;
break;
}
case id_brightness:
{
*value_data = g_config.brightness;
break;
}
case id_effect:
{
*value_data = g_config.effect;
break;
}
case id_effect_speed:
{
*value_data = g_config.effect_speed;
break;
}
case id_color_1:
{
_get_color( &(g_config.color_1), value_data );
break;
}
case id_color_2:
{
_get_color( &(g_config.color_2), value_data );
break;
}
case id_caps_lock_indicator_color:
{
_get_color( &(g_config.caps_lock_indicator.color), value_data );
break;
}
case id_caps_lock_indicator_row_col:
{
backlight_get_indicator_row_col( g_config.caps_lock_indicator.index, &(value_data[0]), &(value_data[1]) );
break;
}
case id_layer_1_indicator_color:
{
_get_color( &(g_config.layer_1_indicator.color), value_data );
break;
}
case id_layer_1_indicator_row_col:
{
backlight_get_indicator_row_col( g_config.layer_1_indicator.index, &(value_data[0]), &(value_data[1]) );
break;
}
case id_layer_2_indicator_color:
{
_get_color( &(g_config.layer_2_indicator.color), value_data );
break;
}
case id_layer_2_indicator_row_col:
{
backlight_get_indicator_row_col( g_config.layer_2_indicator.index, &(value_data[0]), &(value_data[1]) );
break;
}
case id_layer_3_indicator_color:
{
_get_color( &(g_config.layer_3_indicator.color), value_data );
break;
}
case id_layer_3_indicator_row_col:
{
backlight_get_indicator_row_col( g_config.layer_3_indicator.index, &(value_data[0]), &(value_data[1]) );
break;
}
case id_alphas_mods:
{
for ( int i=0; i<5; i++ )
{
*(value_data+i*2) = g_config.alphas_mods[i] >> 8;
*(value_data+i*2+1) = g_config.alphas_mods[i] & 0xFF;
}
}
}
}
void backlight_config_set_alphas_mods( uint16_t *alphas_mods )
{
for ( int i=0; i<5; i++ )
{
g_config.alphas_mods[i] = alphas_mods[i];
}
backlight_config_save();
}
void backlight_config_load(void)
{
eeprom_read_block( &g_config, ((void*)RGB_BACKLIGHT_CONFIG_EEPROM_ADDR), sizeof(backlight_config) );
}
void backlight_config_save(void)
{
eeprom_update_block( &g_config, ((void*)RGB_BACKLIGHT_CONFIG_EEPROM_ADDR), sizeof(backlight_config) );
}
void backlight_init_drivers(void)
{
// Initialize I2C
i2c_init();
IS31FL3731_init( ISSI_ADDR_1 );
IS31FL3731_init( ISSI_ADDR_2 );
for ( int index = 0; index < 72; index++ )
{
// OR the possible "disabled" cases together, then NOT the result to get the enabled state
// LC6 LD13 not present on Zeal65
#if defined (RGB_BACKLIGHT_ZEAL65)
bool enabled = !( ( index == 18+5 && !g_config.use_split_backspace ) || // LB5
( index == 36+15 && !g_config.use_split_left_shift ) || // LC15
( index == 54+8 && !g_config.use_split_right_shift ) || // LD8
( index == 36+6 ) || // LC6
( index == 54+13 ) ); // LD13
#elif defined (RGB_BACKLIGHT_M60_A)
bool enabled = !(
// LB6 LB7 LB8 LB15 LB16 LB17 not present on M60-A
( index == 18+6 ) || // LB6
( index == 18+7 ) || // LB7
( index == 18+8 ) || // LB8
( index == 18+15 ) || // LB15
( index == 18+16 ) || // LB16
( index == 18+17 ) || // LB17
// HHKB blockers (LC17, LD17) and ISO extra keys (LC15,LD13) not present on M60-A
( index == 36+17 ) || // LC17
( index == 54+17 ) || // LD17
( index == 36+15 ) || // LC15
( index == 54+13 ) ); // LD13
#elif defined (RGB_BACKLIGHT_ZEAL60)
// LB6 LB7 LB8 LB15 LB16 LB17 not present on Zeal60
bool enabled = !( ( index == 18+5 && !g_config.use_split_backspace ) || // LB5
( index == 36+15 && !g_config.use_split_left_shift ) || // LC15
( index == 54+8 && !g_config.use_split_right_shift ) || // LD8
( index == 54+13 && g_config.use_7u_spacebar ) || // LD13
( index == 36+17 && g_config.disable_hhkb_blocker_leds ) || // LC17
( index == 54+17 && g_config.disable_hhkb_blocker_leds ) || // LD17
( index == 18+6 ) || // LB6
( index == 18+7 ) || // LB7
( index == 18+8 ) || // LB8
( index == 18+15 ) || // LB15
( index == 18+16 ) || // LB16
( index == 18+17 ) ); // LB17
#endif
// This only caches it for later
IS31FL3731_set_led_control_register( index, enabled, enabled, enabled );
}
// This actually updates the LED drivers
IS31FL3731_update_led_control_registers( ISSI_ADDR_1, ISSI_ADDR_2 );
// TODO: put the 1 second startup delay here?
// clear the key hits
for ( int led=0; led<72; led++ )
{
g_key_hit[led] = 255;
}
}
bool process_record_backlight(uint16_t keycode, keyrecord_t *record)
{
// Record keypresses for backlight effects
if ( record->event.pressed )
{
backlight_set_key_hit( record->event.key.row, record->event.key.col );
}
switch(keycode)
{
case BR_INC:
if (record->event.pressed)
{
backlight_brightness_increase();
}
return false;
break;
case BR_DEC:
if (record->event.pressed)
{
backlight_brightness_decrease();
}
return false;
break;
case EF_INC:
if (record->event.pressed)
{
backlight_effect_increase();
}
return false;
break;
case EF_DEC:
if (record->event.pressed)
{
backlight_effect_decrease();
}
return false;
break;
case ES_INC:
if (record->event.pressed)
{
backlight_effect_speed_increase();
}
return false;
break;
case ES_DEC:
if (record->event.pressed)
{
backlight_effect_speed_decrease();
}
return false;
break;
case H1_INC:
if (record->event.pressed)
{
backlight_color_1_hue_increase();
}
return false;
break;
case H1_DEC:
if (record->event.pressed)
{
backlight_color_1_hue_decrease();
}
return false;
break;
case S1_INC:
if (record->event.pressed)
{
backlight_color_1_sat_increase();
}
return false;
break;
case S1_DEC:
if (record->event.pressed)
{
backlight_color_1_sat_decrease();
break;
}
return false;
break;
case H2_INC:
if (record->event.pressed)
{
backlight_color_2_hue_increase();
}
return false;
break;
case H2_DEC:
if (record->event.pressed)
{
backlight_color_2_hue_decrease();
}
return false;
break;
case S2_INC:
if (record->event.pressed)
{
backlight_color_2_sat_increase();
}
return false;
break;
case S2_DEC:
if (record->event.pressed)
{
backlight_color_2_sat_decrease();
break;
}
return false;
break;
}
return true;
}
// Deals with the messy details of incrementing an integer
uint8_t increment( uint8_t value, uint8_t step, uint8_t min, uint8_t max )
{
int16_t new_value = value;
new_value += step;
return MIN( MAX( new_value, min ), max );
}
uint8_t decrement( uint8_t value, uint8_t step, uint8_t min, uint8_t max )
{
int16_t new_value = value;
new_value -= step;
return MIN( MAX( new_value, min ), max );
}
void backlight_effect_increase(void)
{
g_config.effect = increment( g_config.effect, 1, 0, BACKLIGHT_EFFECT_MAX );
backlight_config_save();
}
void backlight_effect_decrease(void)
{
g_config.effect = decrement( g_config.effect, 1, 0, BACKLIGHT_EFFECT_MAX );
backlight_config_save();
}
void backlight_effect_speed_increase(void)
{
g_config.effect_speed = increment( g_config.effect_speed, 1, 0, 3 );
backlight_config_save();
}
void backlight_effect_speed_decrease(void)
{
g_config.effect_speed = decrement( g_config.effect_speed, 1, 0, 3 );
backlight_config_save();
}
void backlight_brightness_increase(void)
{
g_config.brightness = increment( g_config.brightness, 8, 0, 255 );
backlight_config_save();
}
void backlight_brightness_decrease(void)
{
g_config.brightness = decrement( g_config.brightness, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_1_hue_increase(void)
{
g_config.color_1.h = increment( g_config.color_1.h, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_1_hue_decrease(void)
{
g_config.color_1.h = decrement( g_config.color_1.h, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_1_sat_increase(void)
{
g_config.color_1.s = increment( g_config.color_1.s, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_1_sat_decrease(void)
{
g_config.color_1.s = decrement( g_config.color_1.s, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_2_hue_increase(void)
{
g_config.color_2.h = increment( g_config.color_2.h, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_2_hue_decrease(void)
{
g_config.color_2.h = decrement( g_config.color_2.h, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_2_sat_increase(void)
{
g_config.color_2.s = increment( g_config.color_2.s, 8, 0, 255 );
backlight_config_save();
}
void backlight_color_2_sat_decrease(void)
{
g_config.color_2.s = decrement( g_config.color_2.s, 8, 0, 255 );
backlight_config_save();
}
void backlight_test_led( uint8_t index, bool red, bool green, bool blue )
{
for ( int i=0; i<72; i++ )
{
if ( i == index )
{
IS31FL3731_set_led_control_register( i, red, green, blue );
}
else
{
IS31FL3731_set_led_control_register( i, false, false, false );
}
}
}
void backlight_debug_led( bool state )
{
if (state)
{
// Output high.
DDRE |= (1<<6);
PORTE |= (1<<6);
}
else
{
// Output low.
DDRE &= ~(1<<6);
PORTE &= ~(1<<6);
}
}
#endif // BACKLIGHT_ENABLED
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