diff options
Diffstat (limited to 'keyboards/zeal60/rgb_backlight.c')
| -rw-r--r-- | keyboards/zeal60/rgb_backlight.c | 1519 |
1 files changed, 1519 insertions, 0 deletions
diff --git a/keyboards/zeal60/rgb_backlight.c b/keyboards/zeal60/rgb_backlight.c new file mode 100644 index 000000000..9f62a8d38 --- /dev/null +++ b/keyboards/zeal60/rgb_backlight.c @@ -0,0 +1,1519 @@ +/* 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 ); + } +} + +// 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: + { + //*value_data = g_config.caps_lock_indicator.index; + 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: + { + //*value_data = g_config.layer_1_indicator.index; + 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: + { + //*value_data = g_config.layer_2_indicator.index; + 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: + { + //*value_data = g_config.layer_3_indicator.index; + 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 |