TV Simulator Effect (#1548)
* New Effect "TV Simulator" based on "Fake TV Light for Engineers" by Phillip Burgess https://learn.adafruit.com/fake-tv-light-for-engineers/arduino-sketch * removed some not-used functions ...from my 1st attempt with "Phoney TV" - but this one did not look good. * Created new version of tv_colors.h based on 18 movies ...and some corrections * Add include guards for tv_colors.h and disable option Co-authored-by: cschwinne <dev.aircoookie@gmail.com>
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@ -25,6 +25,7 @@
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*/
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#include "FX.h"
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#include "tv_colors.h"
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#define IBN 5100
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#define PALETTE_SOLID_WRAP (paletteBlend == 1 || paletteBlend == 3)
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@ -3752,4 +3753,96 @@ uint16_t WS2812FX::mode_blends(void) {
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}
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return FRAMETIME;
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}
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}
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typedef struct TvSim {
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uint32_t totalTime = 0;
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uint32_t fadeTime = 0;
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uint32_t startTime = 0;
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uint32_t elapsed = 0;
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uint32_t pixelNum = 0;
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uint16_t pr = 0; // Prev R, G, B
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uint16_t pg = 0;
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uint16_t pb = 0;
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} tvSim;
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#define numTVPixels (sizeof(tv_colors) / 2) // 2 bytes per Pixel (5/6/5)
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/*
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TV Simulator
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Modified and adapted to WLED by Def3nder, based on "Fake TV Light for Engineers" by Phillip Burgess https://learn.adafruit.com/fake-tv-light-for-engineers/arduino-sketch
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*/
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uint16_t WS2812FX::mode_tv_simulator(void) {
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#ifdef WLED_DISABLE_FX_HIGH_FLASH_USE
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return mode_static();
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#else
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uint16_t nr, ng, nb, r, g, b, i;
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uint8_t hi, lo, r8, g8, b8;
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if (!SEGENV.allocateData(sizeof(tvSim))) return mode_static(); //allocation failed
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TvSim* tvSimulator = reinterpret_cast<TvSim*>(SEGENV.data);
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// initialize start of the TV-Colors
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if (SEGENV.call == 0) {
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tvSimulator->pixelNum = ((uint8_t)random(18)) * numTVPixels / 18; // Begin at random movie (18 in total)
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}
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// Read next 16-bit (5/6/5) color
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hi = pgm_read_byte(&tv_colors[tvSimulator->pixelNum * 2 ]);
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lo = pgm_read_byte(&tv_colors[tvSimulator->pixelNum * 2 + 1]);
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// Expand to 24-bit (8/8/8)
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r8 = (hi & 0xF8) | (hi >> 5);
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g8 = ((hi << 5) & 0xff) | ((lo & 0xE0) >> 3) | ((hi & 0x06) >> 1);
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b8 = ((lo << 3) & 0xff) | ((lo & 0x1F) >> 2);
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// Apply gamma correction, further expand to 16/16/16
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nr = (uint8_t)gamma8(r8) * 257; // New R/G/B
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ng = (uint8_t)gamma8(g8) * 257;
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nb = (uint8_t)gamma8(b8) * 257;
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if (SEGENV.aux0 == 0) { // initialize next iteration
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SEGENV.aux0 = 1;
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// increase color-index for next loop
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tvSimulator->pixelNum++;
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if (tvSimulator->pixelNum >= numTVPixels) tvSimulator->pixelNum = 0;
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// randomize total duration and fade duration for the actual color
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tvSimulator->totalTime = random(250, 2500); // Semi-random pixel-to-pixel time
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tvSimulator->fadeTime = random(0, tvSimulator->totalTime); // Pixel-to-pixel transition time
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if (random(10) < 3) tvSimulator->fadeTime = 0; // Force scene cut 30% of time
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tvSimulator->startTime = millis();
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} // end of initialization
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// how much time is elapsed ?
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tvSimulator->elapsed = millis() - tvSimulator->startTime;
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// fade from prev volor to next color
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if (tvSimulator->elapsed < tvSimulator->fadeTime) {
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r = map(tvSimulator->elapsed, 0, tvSimulator->fadeTime, tvSimulator->pr, nr);
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g = map(tvSimulator->elapsed, 0, tvSimulator->fadeTime, tvSimulator->pg, ng);
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b = map(tvSimulator->elapsed, 0, tvSimulator->fadeTime, tvSimulator->pb, nb);
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} else { // Avoid divide-by-zero in map()
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r = nr;
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g = ng;
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b = nb;
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}
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// set strip color
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for (i = 0; i < SEGLEN; i++) {
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setPixelColor(i, r >> 8, g >> 8, b >> 8); // Quantize to 8-bit
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}
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// if total duration has passed, remember last color and restart the loop
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if ( tvSimulator->elapsed >= tvSimulator->totalTime) {
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tvSimulator->pr = nr; // Prev RGB = new RGB
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tvSimulator->pg = ng;
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tvSimulator->pb = nb;
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SEGENV.aux0 = 0;
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}
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return FRAMETIME;
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#endif
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}
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12
wled00/FX.h
12
wled00/FX.h
@ -52,6 +52,9 @@
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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/* Disable effects with high flash memory usage (currently TV simulator) - saves 18.5kB */
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//#define WLED_DISABLE_FX_HIGH_FLASH_USE
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/* Not used in all effects yet */
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#define WLED_FPS 42
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#define FRAMETIME (1000/WLED_FPS)
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@ -116,7 +119,7 @@
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#define IS_REVERSE ((SEGMENT.options & REVERSE ) == REVERSE )
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#define IS_SELECTED ((SEGMENT.options & SELECTED ) == SELECTED )
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#define MODE_COUNT 116
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#define MODE_COUNT 117
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#define FX_MODE_STATIC 0
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#define FX_MODE_BLINK 1
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@ -234,6 +237,7 @@
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#define FX_MODE_WASHING_MACHINE 113
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#define FX_MODE_CANDY_CANE 114
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#define FX_MODE_BLENDS 115
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#define FX_MODE_TV_SIMULATOR 116
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class WS2812FX {
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typedef uint16_t (WS2812FX::*mode_ptr)(void);
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@ -463,6 +467,7 @@ class WS2812FX {
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_mode[FX_MODE_WASHING_MACHINE] = &WS2812FX::mode_washing_machine;
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_mode[FX_MODE_CANDY_CANE] = &WS2812FX::mode_candy_cane;
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_mode[FX_MODE_BLENDS] = &WS2812FX::mode_blends;
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_mode[FX_MODE_TV_SIMULATOR] = &WS2812FX::mode_tv_simulator;
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_brightness = DEFAULT_BRIGHTNESS;
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currentPalette = CRGBPalette16(CRGB::Black);
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@ -673,7 +678,8 @@ class WS2812FX {
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mode_dancing_shadows(void),
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mode_washing_machine(void),
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mode_candy_cane(void),
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mode_blends(void);
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mode_blends(void),
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mode_tv_simulator(void);
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private:
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NeoPixelWrapper *bus;
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@ -761,7 +767,7 @@ const char JSON_mode_names[] PROGMEM = R"=====([
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"Twinklefox","Twinklecat","Halloween Eyes","Solid Pattern","Solid Pattern Tri","Spots","Spots Fade","Glitter","Candle","Fireworks Starburst",
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"Fireworks 1D","Bouncing Balls","Sinelon","Sinelon Dual","Sinelon Rainbow","Popcorn","Drip","Plasma","Percent","Ripple Rainbow",
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"Heartbeat","Pacifica","Candle Multi", "Solid Glitter","Sunrise","Phased","Twinkleup","Noise Pal", "Sine","Phased Noise",
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"Flow","Chunchun","Dancing Shadows","Washing Machine","Candy Cane","Blends"
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"Flow","Chunchun","Dancing Shadows","Washing Machine","Candy Cane","Blends","TV Simulator"
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])=====";
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1506
wled00/tv_colors.h
Normal file
1506
wled00/tv_colors.h
Normal file
File diff suppressed because it is too large
Load Diff
@ -22,10 +22,11 @@
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// You are required to disable over-the-air updates:
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//#define WLED_DISABLE_OTA // saves 14kb
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// You need to choose some of these features to disable:
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// You can choose some of these features to disable:
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//#define WLED_DISABLE_ALEXA // saves 11kb
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//#define WLED_DISABLE_BLYNK // saves 6kb
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//#define WLED_DISABLE_CRONIXIE // saves 3kb
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//WLED_DISABLE_FX_HIGH_FLASH_USE (need to enable in PIO config or FX.h, saves 18kb)
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//#define WLED_DISABLE_HUESYNC // saves 4kb
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//#define WLED_DISABLE_INFRARED // there is no pin left for this on ESP8266-01, saves 12kb
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#ifndef WLED_DISABLE_MQTT
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