Content import tidal from colorsys import hsv_to_rgb from neopixel import NeoPixel from app import TextApp NUM_LEDS = 80 MAX_BRIGHTNESS = 0.7 # From 0 to 1, Adjust this to what your power supply can handle! TICK_MS = 25 STROBE_HZ = 3 # 180 beats to win it STROBE_MS = int((1/STROBE_HZ) * 1000) STROBE_TICKS = int(STROBE_MS / TICK_MS + 0.5) class RaveApp(TextApp): TITLE = "Neopixel Rave" BG = tidal.st7789.BLACK FG = tidal.st7789.WHITE def rainbow(self): for i in range(NUM_LEDS): hue = ((i + self.rainbow_state) % NUM_LEDS) / NUM_LEDS self.leds[i] = hsv_to_rgb(hue, 1, self.brightness) self.leds.write() self.rainbow_state += 2 if self.rainbow_state > NUM_LEDS: self.rainbow_state = 0 def rainbow_slow(self): for i in range(NUM_LEDS): hue = ((i + self.rainbow_state) % NUM_LEDS) / NUM_LEDS self.leds[i] = hsv_to_rgb(hue, 1, self.brightness) self.leds.write() self.rainbow_state += 1 if self.rainbow_state > NUM_LEDS: self.rainbow_state = 0 def all_on(self): v = int(255 * self.brightness) self.leds.fill((v, v, v)) self.leds.write() def all_off(self): v = (0, 0, 0) self.leds.fill(v) self.leds.write() def strobe(self): # Add variables first pass if not hasattr(self, "strobe_counter"): self.strobe_counter = 0 self.strobe_counter += 1 if self.strobe_counter > STROBE_TICKS: v = int(255 * self.brightness) self.leds.fill((v,v,v)) self.strobe_counter = 0 else: self.leds.fill((0,0,0)) self.leds.write() def setup_leds(self): tidal.led_power_on(True) self.leds = NeoPixel(tidal.LED_DATA, NUM_LEDS) self.leds.fill((0, 0, 0)) self.leds.write() def next_mode(self): self.current_mode = (self.current_mode + 1) % len(self.MODES) def update_leds(self): self.MODES[self.current_mode]() def brightness_up(self): self.brightness = min(self.brightness+0.1, MAX_BRIGHTNESS) def brightness_down(self): self.brightness = max(self.brightness-0.1, 0) def on_start(self): super().on_start() self.MODES = [self.rainbow, self.rainbow_slow, self.all_on, self.all_off, self.strobe] self.rainbow_state = 0 self.current_mode = 0 self.brightness = 0.5 self.buttons.on_press(tidal.JOY_LEFT, self.next_mode) self.buttons.on_press(tidal.JOY_RIGHT, self.next_mode) self.buttons.on_press(tidal.JOY_UP, self.brightness_up) self.buttons.on_press(tidal.JOY_DOWN, self.brightness_down) def on_activate(self): super().on_activate() self.setup_leds() tidal.led_power_on(True) # Timer needs to be here self.timer = self.periodic(TICK_MS, self.update_leds) # Screen writing needs to be here self.window.cls() self.window.println("Solder to J3 Pin 1") self.window.println("L/R = Mode") self.window.println("U/D = Brightness") def on_deactivate(self): super().on_deactivate() self.all_off() tidal.led_power_on(False) self.timer.cancel() main = RaveApp