first commit of HalloWing Jump Scare Trap

HalloWing_Jump_Scare_Trap/hallowing_jump_scare_trap.py

@@ -0,0 +1,152 @@
+# HalloWing Jump Scare Trap
+# use PIR sensor, speaker, and servo
+import time
+import array
+import math
+import board
+import displayio
+import pulseio
+import digitalio
+import touchio
+import audioio
+# Setup LED and PIR pins
+LED_PIN = board.D13  # Pin number for the board's built in LED.
+PIR_PIN = board.SENSE   # Pin port connected to PIR sensor output wire.
+# Setup digital input for PIR sensor:
+pir = digitalio.DigitalInOut(PIR_PIN)
+pir.direction = digitalio.Direction.INPUT
+# Setup digital output for LED:
+led = digitalio.DigitalInOut(LED_PIN)
+led.direction = digitalio.Direction.OUTPUT
+# Setup servo
+servo = pulseio.PWMOut(board.D4, frequency=50)
+servo_min = 0.6
+servo_mid = 1.5
+servo_max = 2.45
+servo_time = 2.0
+# Setup cap touch button
+ready_button = touchio.TouchIn(board.TOUCH1)
+# Create a function to simplify setting PWM duty cycle for the servo:
+def servo_duty_cycle(pulse_ms, frequency=50):
+    period_ms = 1.0 / frequency * 1000.0
+    duty_cycle = int(pulse_ms / (period_ms / 65535.0))
+    return duty_cycle
+# Create functions for servo positions
+def servo_ready():
+    servo.duty_cycle = servo_duty_cycle(servo_min)
+def servo_release():
+    servo.duty_cycle = servo_duty_cycle(servo_mid)
+# Set servo to ready position
+servo_ready()
+# Function for playing wav file, releasing servo
+def play_wave():
+    wave_file = open("hiss01.wav", "rb")  # open a wav file
+    wave = audioio.WaveFile(wave_file)
+    audio.play(wave)  # play the wave file
+    while audio.playing:  # turn on LED, turn servo
+        led.value = True
+        servo_release()
+        print('Motion detected!')
+    wave_file.close()  # close the wav file
+# Setup audio out pin
+audio = audioio.AudioOut(board.A0)
+
+# tone player setup for status beeps
+tone_volume = 0.1  # Increase this to increase the volume of the tone.
+frequency_hz = 880  # Set this to the Hz of the tone you want to generate.
+length = 8000 // frequency_hz
+sine_wave = array.array("H", [0] * length)
+for i in range(length):
+    sine_wave[i] = int((1 + math.sin(math.pi * 2 * i / length)) * tone_volume * (2 ** 15 - 1))
+sine_wave_sample = audioio.RawSample(sine_wave)
+
+# Function for beeping, usage: 'beep(3)' will beep 3x
+def beep(count):
+    for _ in range(count):
+        audio.play(sine_wave_sample, loop=True)
+        time.sleep(0.1)
+        audio.stop()
+        time.sleep(0.05)
+
+# Function for counting down, usage: 'countdown(5)'
+def countdown(count):
+    for k in range(count):
+        print(count - k)
+        led.value = True
+        time.sleep(0.1)
+        led.value = False
+        time.sleep(1)
+
+# function for blinking, usage: 'blink(5, 0.2)'
+def blink(count, speed):
+    for _ in range(count):
+        led.value = True
+        time.sleep(speed)
+        led.value = False
+        time.sleep(speed)
+
+# display setup
+backlight = pulseio.PWMOut(board.TFT_BACKLIGHT)
+splash = displayio.Group()
+board.DISPLAY.show(splash)
+max_brightness = 2 ** 15
+backlight.duty_cycle = 0
+# Image list
+images = ["trap_sprung.bmp", "reset_trap.bmp", "please_standby.bmp",
+          "trap_set.bmp"]
+# Function for displaying images on HalloWing TFT screen
+def show_image(filename):
+    image_file = open(filename, "rb")
+    odb = displayio.OnDiskBitmap(image_file)
+    face = displayio.Sprite(odb, pixel_shader=displayio.ColorConverter(), position=(0, 0))
+    backlight.duty_cycle = 0
+    splash.append(face)
+    # Wait for the image to load.
+    board.DISPLAY.wait_for_frame()
+    backlight.duty_cycle = max_brightness
+
+beep(1)  # startup beep
+show_image(images[2])  # waiting display
+print('Stabilizing')
+countdown(3)
+print('Ready')
+blink(3, 0.2)
+beep(3)  # ready beeps
+triggered = False
+ready = True
+
+show_image(images[3])  # ready display
+
+while True:
+    # Check PIR sensor
+    pir_value = pir.value
+    # Check touch button
+    ready = ready_button.value
+
+    if pir_value and triggered is not True:
+        # PIR is detecting movement!
+        play_wave()
+        splash.pop()
+        show_image(images[0])
+        print('Triggered')
+        countdown(8)
+        blink(3, 0.2)
+        beep(1)
+        print('Please reset')
+        led.value = False
+        triggered = True
+        servo_ready()
+        splash.pop()
+        show_image(images[1])
+
+    if ready:  # touch sensor has been pressed
+        beep(1)
+        splash.pop()
+        show_image(images[2])
+        countdown(8)
+        print('Ready.')
+        blink(3, 0.2)
+        beep(3)
+        splash.pop()
+        show_image(images[3])
+        triggered = False