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Kaleidoscope/LEDControl.cpp

285 lines
6.7 KiB

#include "LEDControl.h"
LEDControl_::LEDControl_(void) {
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led_off.r = 0;
led_off.g = 0;
led_off.b = 0;
led_steady.r = 0;
led_steady.g = 255;
led_steady.b = 0;
led_blue.r = 0;
led_blue.g = 0;
led_blue.b = 255;
led_dark_blue.r = 0;
led_dark_blue.g = 0;
led_dark_blue .b = 127;
led_bright_red.r = 255;
led_bright_red.g = 0;
led_bright_red.b = 0;
}
void LEDControl_::initialize_led_mode(uint8_t mode) {
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set_all_leds_to(led_off);
if (mode == LED_MODE_OFF) {
// set_all_leds_to(led_off);
} else if (mode == LED_MODE_HEATMAP) {
} else if (mode == LED_MODE_BREATHE) {
} else if (mode == LED_MODE_RAINBOW) {
} else if (mode == LED_MODE_RAINBOW_WAVE) {
} else if (mode == LED_MODE_CHASE) {
} else if (mode == LED_MODE_STEADY) {
set_all_leds_to(led_steady);
}
}
void LEDControl_::set_all_leds_to(cRGB color) {
for (uint8_t i = 0; i < LED_COUNT; i++) {
led_set_crgb_at(i, color);
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}
}
void LEDControl_::next_mode() {
if (led_mode++ >= LED_MODES) {
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led_mode = 0;
}
}
void LEDControl_::set_mode(uint8_t mode) {
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led_mode = mode;
}
void LEDControl_::update(uint8_t current_keymap) {
if (current_keymap == NUMPAD_KEYMAP) {
if (led_mode != LED_SPECIAL_MODE_NUMLOCK) {
stored_led_mode = led_mode;
}
led_mode = LED_SPECIAL_MODE_NUMLOCK;
}
if (current_keymap != NUMPAD_KEYMAP &&
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led_mode == LED_SPECIAL_MODE_NUMLOCK
) {
led_mode = stored_led_mode;
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}
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if (led_mode != last_led_mode) {
initialize_led_mode(led_mode);
}
if (led_mode == LED_MODE_OFF) {
} else if (led_mode == LED_MODE_HEATMAP) {
} else if (led_mode == LED_MODE_BREATHE) {
effect_breathe_update();
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} else if (led_mode == LED_MODE_RAINBOW) {
effect_rainbow_update();
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} else if (led_mode == LED_MODE_RAINBOW_WAVE) {
effect_rainbow_wave_update();
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} else if (led_mode == LED_MODE_CHASE) {
effect_chase_update();
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} else if (led_mode == LED_MODE_STEADY) {
effect_steady_update();
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} else if (led_mode == LED_SPECIAL_MODE_NUMLOCK) {
effect_numlock_update();
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}
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last_led_mode = led_mode;
}
void LEDControl_::effect_numlock_update() {
for (uint8_t i = 0; i < 44; i++) {
led_set_crgb_at(i, led_off);
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}
for (uint8_t i = 44; i < LED_COUNT; i++) {
led_set_crgb_at(i, led_bright_red);
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}
led_compute_breath();
led_set_crgb_at(60, led_breathe); // make numlock breathe
led_sync();
}
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void LEDControl_::effect_steady_update() {
led_sync();
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}
void LEDControl_::led_compute_breath() {
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// algorithm from http://sean.voisen.org/blog/2011/10/breathing-led-with-arduino/
breathe_brightness = (exp(sin(millis()/2000.0*PI)) - 0.36787944)*108.0;
// change the brightness for next time through the loop:
//breathe_brightness = breathe_brightness + breathe_fadeAmount;
// reverse the direction of the fading at the ends of the fade:
if (breathe_brightness == 0 || breathe_brightness == 150) {
breathe_fadeAmount = -breathe_fadeAmount ;
}
hsv_to_rgb(&led_breathe,200, 255, breathe_brightness);
}
void LEDControl_::effect_breathe_update() {
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led_compute_breath();
set_all_leds_to(led_breathe);
led_sync();
}
void LEDControl_::effect_chase_update() {
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if (current_chase_counter++ < chase_threshold) {
return;
}
current_chase_counter = 0;
led_set_crgb_at(pos - chase_pixels, led_off);
led_set_crgb_at(pos, led_dark_blue);
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pos += chase_pixels;
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if (pos > LED_COUNT || pos < 0) {
chase_pixels = -chase_pixels;
pos += chase_pixels;
}
led_set_crgb_at(pos, led_blue);
led_sync();
}
void LEDControl_::effect_rainbow_update() {
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if (rainbow_current_ticks++ < rainbow_ticks) {
return;
} else {
rainbow_current_ticks = 0;
}
hsv_to_rgb( &rainbow, rainbow_hue, rainbow_saturation, rainbow_value);
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rainbow_hue += rainbow_steps;
if (rainbow_hue >= 255) {
rainbow_hue %= 255;
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}
set_all_leds_to(rainbow);
led_sync();
}
void LEDControl_::effect_rainbow_wave_update() {
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if (rainbow_current_ticks++ < rainbow_wave_ticks) {
return;
} else {
rainbow_current_ticks = 0;
}
for (uint8_t i = 0; i < LED_COUNT; i++) {
uint16_t key_hue = rainbow_hue +16*(i/4);
if (key_hue >= 255) {
key_hue %= 255;
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}
hsv_to_rgb(&rainbow, key_hue, rainbow_saturation, rainbow_value);
led_set_crgb_at(i,rainbow);
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}
rainbow_hue += rainbow_wave_steps;
if (rainbow_hue >= 255) {
rainbow_hue %= 255;
}
led_sync();
}
void LEDControl_::boot_animation() {
set_all_leds_to(led_off);
type_letter(LED_K);
type_letter(LED_E);
type_letter(LED_Y);
type_letter(LED_B);
type_letter(LED_O);
type_letter(LED_A);
type_letter(LED_R);
type_letter(LED_D);
type_letter(LED_I);
type_letter(LED_O);
type_letter(LED_SPACE);
type_letter(LED_0);
type_letter(LED_PERIOD);
type_letter(LED_9);
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led_mode = LED_MODE_RAINBOW_WAVE;
}
void LEDControl_::type_letter(uint8_t letter) {
led_set_crgb_at(letter,led_bright_red);
led_sync();
delay(250);
led_set_crgb_at(letter,led_off);
led_sync();
delay(10);
}
// From http://web.mit.edu/storborg/Public/hsvtorgb.c - talk to Scott about licensing
void LEDControl_::hsv_to_rgb(cRGB *cRGB, uint16_t h, uint16_t s, uint16_t v) {
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/* HSV to RGB conversion function with only integer
* math */
uint16_t region, fpart, p, q, t;
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if(s == 0) {
/* color is grayscale */
cRGB->r = cRGB->g = cRGB->b = v;
return;
}
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/* make hue 0-5 */
region = h / 43;
/* find remainder part, make it from 0-255 */
fpart = (h - (region * 43)) * 6;
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/* calculate temp vars, doing integer multiplication */
p = (v * (255 - s)) >> 8;
q = (v * (255 - ((s * fpart) >> 8))) >> 8;
t = (v * (255 - ((s * (255 - fpart)) >> 8))) >> 8;
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/* assign temp vars based on color cone region */
switch(region) {
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case 0:
cRGB->r = v;
cRGB->g = t;
cRGB->b = p;
break;
case 1:
cRGB->r = q;
cRGB->g = v;
cRGB->b = p;
break;
case 2:
cRGB->r = p;
cRGB->g = v;
cRGB->b = t;
break;
case 3:
cRGB->r = p;
cRGB->g = q;
cRGB->b = v;
break;
case 4:
cRGB->r = t;
cRGB->g = p;
cRGB->b = v;
break;
default:
cRGB->r = v;
cRGB->g = p;
cRGB->b = q;
break;
}
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return;
}
LEDControl_ LEDControl;