97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
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/// @file BlinkParallel.ino
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/// @brief Shows parallel usage of WS2812 strips. Blinks once for red, twice for green, thrice for blue.
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/// @example BlinkParallel.ino
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#include "FastLED.h"
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#if SKETCH_HAS_LOTS_OF_MEMORY
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// How many leds in your strip?
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#define NUM_LEDS 256
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#else
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#define NUM_LEDS 16
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#endif
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// Demo of driving multiple WS2812 strips on different pins
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// Define the array of leds
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CRGB leds[NUM_LEDS]; // Yes, they all share a buffer.
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void setup() {
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Serial.begin(115200);
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//FastLED.addLeds<WS2812, 5>(leds, NUM_LEDS); // GRB ordering is assumed
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FastLED.addLeds<WS2812, 1>(leds, NUM_LEDS); // GRB ordering is assumed
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FastLED.addLeds<WS2812, 2>(leds, NUM_LEDS); // GRB ordering is assumed
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FastLED.addLeds<WS2812, 3>(leds, NUM_LEDS); // GRB ordering is assumed
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FastLED.addLeds<WS2812, 4>(leds, NUM_LEDS); // GRB ordering is assumed
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FL_WARN("Initialized 4 LED strips with " << NUM_LEDS << " LEDs each");
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FL_WARN("Setup complete - starting blink animation");
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delay(1000);
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}
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void fill(CRGB color) {
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for (int i = 0; i < NUM_LEDS; i++) {
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leds[i] = color;
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}
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}
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void blink(CRGB color, int times) {
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for (int i = 0; i < times; i++) {
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fill(color);
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FastLED.show();
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delay(500);
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fill(CRGB::Black);
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FastLED.show();
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delay(500);
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}
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}
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void loop() {
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static int loopCount = 0;
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EVERY_N_MILLISECONDS(1000) { // Every 1 second (faster for QEMU testing)
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loopCount++;
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FL_WARN("Starting loop iteration " << loopCount);
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// Add completion marker after a few loops for QEMU testing
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if (loopCount >= 2) { // Complete after 2 iterations instead of 3
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FL_WARN("FL_WARN test finished - completed " << loopCount << " iterations");
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}
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}
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// Turn the LED on, then pause
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blink(CRGB(8,0,0), 1); // blink once for red
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blink(CRGB(0,8,0), 2); // blink twice for green
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blink(CRGB(0,0,8), 3); // blink thrice for blue
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delay(50);
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// now benchmark
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uint32_t start = millis();
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fill(CRGB(8,8,8));
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FastLED.show();
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uint32_t diff = millis() - start;
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Serial.print("Time to fill and show for non blocking (ms): ");
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Serial.println(diff);
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EVERY_N_MILLISECONDS(500) { // Every 0.5 seconds (faster for QEMU testing)
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FL_WARN("FastLED.show() timing: " << diff << "ms");
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}
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delay(50);
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start = millis();
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fill(CRGB(8,8,8));
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FastLED.show();
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FastLED.show();
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diff = millis() - start;
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Serial.print("Time to fill and show for 2nd blocking (ms): ");
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Serial.println(diff);
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}
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