50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/// @file Apa102HD.ino
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/// @brief Example showing how to use the APA102HD gamma correction with user override.
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#define FASTLED_FIVE_BIT_HD_BITSHIFT_FUNCTION_OVERRIDE
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#include <Arduino.h>
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#include <FastLED.h>
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#include <lib8tion.h>
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#define NUM_LEDS 20
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// uint8_t DATA_PIN, uint8_t CLOCK_PIN,
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#define STRIP_0_DATA_PIN 1
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#define STRIP_0_CLOCK_PIN 2
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#define STRIP_1_DATA_PIN 3
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#define STRIP_1_CLOCK_PIN 4
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void fl::five_bit_hd_gamma_bitshift(CRGB colors,
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CRGB scale,
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uint8_t global_brightness,
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CRGB* out_colors,
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uint8_t *out_power_5bit) {
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// all 0 values for output
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*out_colors = CRGB(0, 0, 0);
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*out_power_5bit = 0;
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Serial.println("Override function called");
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}
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CRGB leds_hd[NUM_LEDS] = {0}; // HD mode implies gamma.
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void setup() {
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delay(500); // power-up safety delay
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// Two strips of LEDs, one in HD mode, one in software gamma mode.
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FastLED.addLeds<APA102HD, STRIP_0_DATA_PIN, STRIP_0_CLOCK_PIN, RGB>(
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leds_hd, NUM_LEDS);
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}
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void loop() {
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// Draw a a linear ramp of brightnesses to showcase the difference between
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// the HD and non-HD mode.
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for (int i = 0; i < NUM_LEDS; i++) {
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uint8_t brightness = map(i, 0, NUM_LEDS - 1, 0, 255);
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CRGB c(brightness, brightness,
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brightness); // Just make a shade of white.
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leds_hd[i] = c; // The APA102HD leds do their own gamma correction.
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}
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FastLED.show(); // All leds are now written out.
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delay(8); // Wait 8 milliseconds until the next frame.
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}
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