Merge origin/main, keep esp-idf setup
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Clawdia
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/*
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* LED-Laser-Frequenzsteuerung für Rotlichttherapie
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* Ziel-Hardware: ESP32-C6 mit WS2812B LED-Streifen (30 LEDs)
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*
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* Funktion: Steuert 30 WS2812B-LEDs über verschiedene Frequenz-Presets
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* die Rotlichttherapie nachbilden. Jedes Preset definiert Farbe, Helligkeit
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* und Pulsfrequenz für photobiostimulation.
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*/
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#include <Adafruit_NeoPixel.h>
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// ===== KONFIGURATION =====
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#define LED_PIN GPIO6 // Datenleitung zum WS2812B-Streifen
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#define NUM_LEDS 30 // Anzahl LEDs im Streifen
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#define DATA_RESISTOR 330 // Vorwiderstand in Ohm an der Datenleitung
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// ===== FREQUENZ-PRESETS =====
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// Jeder Preset definiert: Name, Grundfrequenz (Hz), Farbe (R,G,B), Helligkeit (0-255)
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struct LaserPreset {
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const char* name;
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float frequencyHz; // Puls-Frequenz in Hz
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uint8_t colorR;
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uint8_t colorG;
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uint8_t colorB;
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uint8_t brightness; // 0-255, 255 = maximal
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uint32_t durationMs; // Wie lange das Preset läuft (0 = unbegrenzt)
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};
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// Therapeutische Frequenzen für Rotlichttherapie (Peptide / Laser Therapy)
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// Diese Frequenzen sind typisch für die Behandlung von Gewebe/Regeneration
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const LaserPreset presets[] = {
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// [0] Niedrigfrequenz - Entspannung & Regeneration
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{"Regeneration", 40.0, 255, 15, 0, 200, 60000},
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// [1] Mittelfrequenz - Durchblutung
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{"Durchblutung", 60.0, 255, 30, 0, 255, 60000},
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// [2] Hochfrequenz - Tiefenwirksam
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{"Tiefenwirkung", 80.0, 255, 60, 0, 230, 45000},
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// [3] Gepulst Rot - Geweberegeneration
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{"Gepulst Rot", 50.0, 255, 0, 0, 180, 60000},
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// [4] Warmes Rot-Orange - Oberflächliche Heilung
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{"Oberflächenlicht", 30.0, 255, 80, 10, 210, 45000},
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// [5] Infrarot-Nachbildung (tiefes Rot) - Muskeln & Gelenke
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{"Muskeln/Gelenke", 65.0, 200, 10, 0, 240, 60000},
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// [6] Wechselnd - Ganzkörperbehandlung
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{"Ganzkörper", 45.0, 255, 0, 0, 190, 90000},
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};
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#define NUM_PRESETS (sizeof(presets) / sizeof(presets[0]))
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// ===== GLOBAL STATE =====
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Adafruit_NeoPixel strip(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);
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uint8_t currentR = 0, currentG = 0, currentB = 0;
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float currentBrightness = 0.0;
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uint32_t pulsePhase = 0;
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unsigned long lastPulseUpdate = 0;
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unsigned long presetStartTime = 0;
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int currentPresetIndex = -1;
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bool running = false;
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// ===== SETUP =====
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void setup() {
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Serial.begin(115200);
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while (!Serial && millis() < 3000) {}
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strip.begin();
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strip.clear();
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strip.show();
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// Starte mit erstem Preset
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selectPreset(0);
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Serial.println("========================================");
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Serial.println(" LED-Laser-Frequenzsteuerung (ESP32-C6)");
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Serial.println(" WS2812B x 30 LEDs");
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Serial.println("========================================");
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printPresets();
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running = true;
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presetStartTime = millis();
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}
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// ===== LOOP =====
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void loop() {
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if (!running) {
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// Warte auf seriellen Befehl zum Neustart
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if (Serial.available()) {
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String cmd = Serial.readStringUntil('\n');
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handleCommand(cmd);
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}
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yield();
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return;
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}
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const LaserPreset& preset = presets[currentPresetIndex];
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unsigned long now = millis();
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// Prüfe ob Preset-Zeit abgelaufen (wenn durationMs > 0)
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if (preset.durationMs > 0 && (now - presetStartTime) >= preset.durationMs) {
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nextPreset();
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}
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// Berechne pulsende Helligkeit basierend auf Frequenz
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calculatePulse(preset, now);
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// Update alle LEDs
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uint32_t color = strip.Color(
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(uint8_t)(currentR * currentBrightness / 255.0),
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(uint8_t)(currentG * currentBrightness / 255.0),
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(uint8_t)(currentB * currentBrightness / 255.0)
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);
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for (int i = 0; i < NUM_LEDS; i++) {
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strip.setPixelColor(i, color);
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}
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strip.show();
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// Seriellen Input prüfen für Befehle
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if (Serial.available()) {
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String cmd = Serial.readStringUntil('\n');
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handleCommand(cmd.trim());
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}
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yield();
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}
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// ===== PULSBERECHNUNG =====
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void calculatePulse(const LaserPreset& preset, unsigned long now) {
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float dutyCycle = 0.5; // Standard: 50% Tastgrad
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// Sinusbasiertes Pulsieren für sanfte Übergänge
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float periodMs = 1000.0 / preset.frequencyHz;
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float phase = fmodf((float)(now % (uint32_t)periodMs), periodMs) / periodMs;
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// Sanfter An- und Abstieg
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currentBrightness = (uint8_t)(preset.brightness * sinf(phase * 3.14159f));
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}
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// ===== PRESET SELEKTION =====
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void selectPreset(int index) {
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if (index < 0 || index >= NUM_PRESETS) return;
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currentPresetIndex = index;
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presetStartTime = millis();
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currentBrightness = 0.0;
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Serial.printf("\n>>> Preset: %s\n", presets[index].name);
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Serial.printf(" Frequenz: %.1f Hz\n", presets[index].frequencyHz);
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Serial.printf(" Farbe: R=%d, G=%d, B=%d\n",
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presets[index].colorR,
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presets[index].colorG,
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presets[index].colorB);
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Serial.printf(" Helligkeit: %d/255\n", presets[index].brightness);
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if (presets[index].durationMs > 0) {
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Serial.printf(" Dauer: %lu ms (%.1f min)\n",
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presets[index].durationMs,
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presets[index].durationMs / 60000.0);
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} else {
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Serial.println(" Dauer: unbegrenzt (⏹ zum Stoppen)");
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}
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}
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void nextPreset() {
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int next = (currentPresetIndex + 1) % NUM_PRESETS;
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selectPreset(next);
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}
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// ===== PRESETS DRUCKEN =====
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void printPresets() {
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Serial.println("\nVerfügbare Presets:");
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for (int i = 0; i < NUM_PRESETS; i++) {
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const char* durStr;
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if (presets[i].durationMs > 0) {
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durStr = "";
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} else {
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durStr = " (⏹ stopp)";
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}
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Serial.printf(" [%d] %s %.1fHz R:%d G:%d B:%d hell:%d - Zeit: %s\n",
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i,
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presets[i].name,
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presets[i].frequencyHz,
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presets[i].colorR,
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presets[i].colorG,
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presets[i].colorB,
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presets[i].brightness,
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durStr);
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}
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}
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// ===== SERIELLE BEFEHLE =====
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void handleCommand(String cmd) {
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if (cmd.equalsIgnoreCase("stop")) {
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running = false;
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strip.clear();
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strip.show();
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Serial.println("LEDs ausgeschaltet. Serieller Befehl zum Neustart.");
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return;
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}
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if (cmd.equalsIgnoreCase("next")) {
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nextPreset();
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return;
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}
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if (cmd.equalsIgnoreCase("list") || cmd.equalsIgnoreCase("presets")) {
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printPresets();
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return;
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}
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// Number parsing: "0", "1", etc. → Preset-Index
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int idx = cmd.toInt();
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if (idx >= 0 && idx < NUM_PRESETS) {
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selectPreset(idx);
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} else if (cmd.length() > 0 && !cmd[0].isdigit()) {
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Serial.printf("Unbekannter Befehl: '%s'\n", cmd.c_str());
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Serial.println("Verfügbare Befehle: 0-6, stop, next, list");
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}
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}
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