137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
#include <FastLED.h>
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#include "Debounce.h"
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#include "durations.h"
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#include "morse.h"
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#include "pulse.h"
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// Which pins your LED strips are connected to
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#define NUM_OUTPUTS 2
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#define OUTPUT_PIN1 7
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#define OUTPUT_PIN2 8
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// Which pin has the momentary switch to toggle full white.
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#define BUTTON_PIN 4
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// How many LEDs you have per output. It's okay if this is too big.
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#define LEDS_PER_GROUP 10
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#define NUM_GROUPS 10
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#define NUM_LEDS (LEDS_PER_GROUP * NUM_GROUPS)
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// How many milliseconds between activity in one group
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#define DELAY_MS 600
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// Each group has this percentage chance of
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#define GROUP_UPDATE_PROBABILITY 25
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// What percentage chance a chosen light has of being on
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#define ACTIVITY 40
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// Which pixel to flash messages in morse code: -1 = disable
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#define MORSE_PIXEL 8
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#define MORSE_COLOR CRGB::Red
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// How long a dit lasts
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#define DIT_DURATION_MS 150
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#define ARK "\x03\x04"
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const char *message = (
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"seasons greetings" ARK
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"happy holiday" ARK
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"merry xmas" ARK
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"happy new year" ARK
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"CQ CQ OF9X" ARK
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);
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CRGB leds[NUM_OUTPUTS][NUM_LEDS];
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Debounce button(BUTTON_PIN, false, true);
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void setup() {
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FastLED.addLeds<WS2812, OUTPUT_PIN1, RGB>(leds[0], NUM_LEDS);
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FastLED.addLeds<WS2812, OUTPUT_PIN2, RGB>(leds[1], NUM_LEDS);
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FastLED.setTemperature(Tungsten40W);
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FastLED.setBrightness(52);
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pinMode(LED_BUILTIN, OUTPUT);
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}
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uint8_t RandomHue() {
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switch (random(12)) {
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case 0 ... 2:
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return 52; // reddish yellow
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case 3 ... 5:
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return HUE_RED;
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case 6 ... 8:
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return 28; // reddish orange
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case 9:
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return HUE_BLUE;
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case 10:
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return HUE_GREEN;
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case 11:
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return 204; // reddish purple
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}
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}
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bool strandUpdate(unsigned long now, bool white) {
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static Pulse pulse = Pulse(DELAY_MS);
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if (!pulse.Ticked(now)) {
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return false;
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}
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for (int output = 0; output < NUM_OUTPUTS; output += 1) {
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for (int group = 0; group < NUM_GROUPS; group += 1) {
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int pos = (group * LEDS_PER_GROUP) + random(LEDS_PER_GROUP);
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if (random(100) < GROUP_UPDATE_PROBABILITY) {
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uint8_t hue = 0;
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uint8_t saturation = white?0:255;
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uint8_t value = 255;
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if (random(100) < ACTIVITY) {
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hue = RandomHue();
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} else {
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value = 0;
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}
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leds[output][pos] = CHSV(hue, saturation, value);
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group = (group + 1) % NUM_GROUPS;
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}
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}
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}
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return true;
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}
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bool morseUpdate(unsigned long now) {
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static MorseEncoder enc;
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static Pulse pulse = Pulse(DIT_DURATION_MS);
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if (!pulse.Ticked(now)) {
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return false;
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}
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if (!enc.Tick()) {
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enc.SetText(message);
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}
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leds[0][MORSE_PIXEL] = enc.Transmitting ? MORSE_COLOR : CRGB::Black;
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return true;
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}
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void loop() {
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bool white = false;
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bool update = false;
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unsigned long now = millis(); // Everybody uses the same time so we don't do spurious updates 5ms apart
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button.read();
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white = (button.count() % 2 == 1);
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update |= strandUpdate(now, white);
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//update |= morseUpdate(now);
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if (update) {
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FastLED.show();
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}
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// blink the heart for a little bit
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if (millis() < 30 * 1000) {
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bool on = (millis() % 1000) < 500;
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digitalWrite(LED_BUILTIN, on);
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}
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}
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