67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#include <SevenSegmentNeoPixel.h>
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#define DIGITS 1
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#define PIXELS_PER_SEGMENT 7
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#define PIN 0
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SevenSegmentNeoPixel display(DIGITS, PIXELS_PER_SEGMENT, PIN);
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uint32_t colorWheel(byte pos) {
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pos = 255 - pos;
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if (pos < 85) {
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return display.getStrip().Color(255 - pos * 3, 0, pos * 3);
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}
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if (pos < 170) {
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pos -= 85;
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return display.getStrip().Color(0, pos * 3, 255 - pos * 3);
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}
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pos -= 170;
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return display.getStrip().Color(pos * 3, 255 - pos * 3, 0);
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}
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void setup() {
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display.begin();
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display.setBrightness(50);
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}
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void loop() {
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static unsigned long lastAnim = 0;
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static unsigned long lastCount = 0;
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static unsigned long counter = 0;
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static uint16_t rainbowOffset = 0;
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unsigned long now = millis();
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// Animate rainbow every 50ms
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if (now - lastAnim >= 50) {
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lastAnim = now;
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display.clear();
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unsigned long value = counter;
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for (int d = DIGITS - 1; d >= 0; d--) {
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uint8_t digit = value % 10;
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value /= 10;
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const uint8_t* segPattern = SevenSegmentNeoPixel::getSegmentPattern(digit);
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for (uint8_t seg = 0; seg < 7; seg++) {
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if (segPattern && segPattern[seg]) {
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for (uint8_t px = 0; px < PIXELS_PER_SEGMENT; px++) {
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uint16_t globalPixel = d * 7 * PIXELS_PER_SEGMENT + seg * PIXELS_PER_SEGMENT + px;
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uint8_t colorPos = (globalPixel * 256 / (DIGITS * 7 * PIXELS_PER_SEGMENT) + rainbowOffset) & 0xFF;
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uint32_t color = colorWheel(colorPos);
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display.getStrip().setPixelColor(globalPixel, color);
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}
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}
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}
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}
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display.show();
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rainbowOffset += 4; // Wave speed
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}
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// Increment counter every 1000ms (1 second)
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if (now - lastCount >= 1000) {
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lastCount = now;
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counter++;
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if (counter >= pow(10, DIGITS)) counter = 0;
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}
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} |