v1.5增加一个舵机控制前档，实现踢球效果。
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/// @file SdCard.ino
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/// @brief Demonstrates playing a video on FastLED.
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/// @author Zach Vorhies
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///
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/// This sketch is fully compatible with the FastLED web compiler. To use it do the following:
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/// 1. Install Fastled: `pip install fastled`
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/// 2. cd into this examples page.
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/// 3. Run the FastLED web compiler at root: `fastled`
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/// 4. When the compiler is done a web page will open.
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#include "FastLED.h"
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#if !SKETCH_HAS_LOTS_OF_MEMORY
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void setup() {
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// put your setup code here, to run once:
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}
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void loop() {
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// put your main code here, to run repeatedly:
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}
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#else
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#include "Arduino.h"
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#include "fx/2d/noisepalette.h"
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// #include "fx/2d/animartrix.hpp"
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#include "fx/fx_engine.h"
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#include "fx/video.h"
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#include "fl/file_system.h"
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#include "fl/ui.h"
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#include "fl/screenmap.h"
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#include "fl/file_system.h"
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using namespace fl;
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#define LED_PIN 2
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#define LED_TYPE WS2811
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#define COLOR_ORDER GRB
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#define FPS 60
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#define CHIP_SELECT_PIN 5
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#define MATRIX_WIDTH 32
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#define MATRIX_HEIGHT 32
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#define NUM_VIDEO_FRAMES 2 // enables interpolation with > 1 frame.
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#define NUM_LEDS (MATRIX_WIDTH * MATRIX_HEIGHT)
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#define IS_SERPINTINE true
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UITitle title("SDCard Demo - Mapped Video");
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UIDescription description("Video data is streamed off of a SD card and displayed on a LED strip. The video data is mapped to the LED strip using a ScreenMap.");
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CRGB leds[NUM_LEDS];
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ScreenMap screenMap;
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FileSystem filesystem;
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Video video;
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Video video2;
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UISlider videoSpeed("Video Speed", 1.0f, -1, 2.0f, 0.01f);
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UINumberField whichVideo("Which Video", 0, 0, 1);
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bool gError = false;
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void setup() {
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Serial.begin(115200);
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Serial.println("Sketch setup");
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// Initialize the file system and check for errors
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if (!filesystem.beginSd(CHIP_SELECT_PIN)) {
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Serial.println("Failed to initialize file system.");
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}
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// Open video files from the SD card
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video = filesystem.openVideo("data/video.rgb", NUM_LEDS, FPS, 2);
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if (!video) {
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FASTLED_WARN("Failed to instantiate video");
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gError = true;
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return;
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}
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video2 = filesystem.openVideo("data/color_line_bubbles.rgb", NUM_LEDS, FPS, 2);
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if (!video2) {
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FASTLED_WARN("Failed to instantiate video2");
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gError = true;
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return;
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}
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// Read the screen map configuration
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ScreenMap screenMap;
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bool ok = filesystem.readScreenMap("data/screenmap.json", "strip1", &screenMap);
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if (!ok) {
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Serial.println("Failed to read screen map");
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gError = true;
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return;
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}
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// Configure FastLED with the LED type, pin, and color order
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FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS)
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.setCorrection(TypicalLEDStrip)
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.setScreenMap(screenMap);
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FastLED.setBrightness(96);
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Serial.println("FastLED setup done");
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}
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void loop() {
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static bool s_first = true;
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if (s_first) {
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s_first = false;
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Serial.println("First loop.");
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}
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if (gError) {
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// If an error occurred, print a warning every second
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EVERY_N_SECONDS(1) {
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FASTLED_WARN("No loop because an error occured.");
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}
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return;
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}
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// Select the video to play based on the UI input
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Video& vid = !bool(whichVideo.value()) ? video : video2;
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vid.setTimeScale(videoSpeed);
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// Get the current time and draw the video frame
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uint32_t now = millis();
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vid.draw(now, leds);
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FastLED.show();
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}
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#endif
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@@ -0,0 +1,4 @@
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data/ directory will appear automatically in emscripten web builds.
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* The .rgb file represents uncompressed RGB video data.
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* the the screenmap.json is the screenmap for "strip1"
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@@ -0,0 +1,2 @@
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{"map": {"strip1": {"x": [-0.5, -1.21, -1.91, -2.62, -3.33, -4.04, -4.74, -5.45, -6.16, -6.86, -7.57, -8.28, -8.98, -9.69, -10.4, -11.11, -11.81, -11.11, -10.4, -9.69, -8.98, -8.28, -7.57, -6.86, -6.16, -5.45, -4.74, -4.04, -3.33, -2.62, -1.91, -1.21, -1.91, -2.62, -3.33, -4.04, -4.74, -5.45, -6.16, -6.86, -7.57, -8.28, -8.98, -9.69, -10.4, -11.11, -11.81, -12.52, -13.23, -12.52, -11.81, -11.11, -10.4, -9.69, -8.98, -8.28, -7.57, -6.86, -6.16, -5.45, -4.74, -4.04, -3.33, -2.62, -3.33, -4.04, -4.74, -5.45, -6.16, -6.86, -7.57, -8.28, -8.98, -9.69, -10.4, -11.11, -11.81, -12.52, -13.23, -13.94, -14.64, -13.94, -13.23, -12.52, -11.81, -11.11, -10.4, -9.69, -8.98, -8.28, -7.57, -6.86, -6.16, -5.45, -4.74, -4.04, -4.74, -5.45, -6.16, -6.86, -7.57, -8.28, -8.98, -9.69, -10.4, -11.11, -11.81, -12.52, -13.23, -13.94, -14.64, -15.35, -16.06, -15.35, -14.64, -13.94, -13.23, -12.52, -11.81, -11.11, -10.4, -9.69, -8.98, -8.28, -7.57, -6.86, -6.16, -5.45, -6.16, -6.86, -7.57, -8.28, -8.98, -9.69, 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13.94, 13.2Line truncated
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