Added Cat Detector Code and STL

Author: makermelissa

Lobe_Cat_Detector/Cat Detector.stl

@@ -0,0 +1,177 @@
+import time
+from enum import Enum, auto
+import board
+from digitalio import DigitalInOut, Direction, Pull
+import picamera
+import io
+from PIL import Image
+from lobe import ImageModel
+import os
+import adafruit_dotstar
+from datetime import datetime
+import pwmio
+from adafruit_motor import servo
+
+LABEL_CAT = "Cat"
+LABEL_MULTI_CAT = "Multiple Cats"
+LABEL_NOTHING = "No Cats"
+SERVO_PIN = board.D12
+WARNING_COUNT = 3
+
+pwm = pwmio.PWMOut(SERVO_PIN, duty_cycle=0, frequency=50)
+servo = servo.Servo(pwm, min_pulse=400, max_pulse=2400)
+
+# Boiler Plate code for buttons and joystick on the braincraft
+BUTTON_PIN = board.D17
+JOYDOWN_PIN = board.D27
+JOYLEFT_PIN = board.D22
+JOYUP_PIN = board.D23
+JOYRIGHT_PIN = board.D24
+JOYSELECT_PIN = board.D16
+
+buttons = [BUTTON_PIN, JOYUP_PIN, JOYDOWN_PIN,
+           JOYLEFT_PIN, JOYRIGHT_PIN, JOYSELECT_PIN]
+
+for i, pin in enumerate(buttons):
+    buttons[i] = DigitalInOut(pin)
+    buttons[i].direction = Direction.INPUT
+    buttons[i].pull = Pull.UP
+button, joyup, joydown, joyleft, joyright, joyselect = buttons
+
+
+class Input(Enum):
+    BUTTON = auto()
+    UP = auto()
+    DOWN = auto()
+    LEFT = auto()
+    RIGHT = auto()
+    SELECT = auto()
+
+
+def get_inputs():
+    inputs = []
+    if not button.value:
+        inputs.append(Input.BUTTON)
+    if not joyup.value:
+        inputs.append(Input.UP)
+    if not joydown.value:
+        inputs.append(Input.DOWN)
+    if not joyleft.value:
+        inputs.append(Input.LEFT)
+    if not joyright.value:
+        inputs.append(Input.RIGHT)
+    if not joyselect.value:
+        inputs.append(Input.SELECT)
+    return inputs
+
+DOTSTAR_DATA = board.D5
+DOTSTAR_CLOCK = board.D6
+
+RED = (0, 0, 255)
+GREEN = (255, 0, 0)
+OFF = (0, 0, 0)
+
+dots = adafruit_dotstar.DotStar(DOTSTAR_CLOCK, DOTSTAR_DATA, 3, brightness=0.1)
+
+jingle_count = 0
+
+def color_fill(color, wait):
+    dots.fill(color)
+    dots.show()
+    time.sleep(wait)
+
+def jingle_keys(jingle_hard=False):
+    global jingle_count
+    jingle_count += 1
+    if jingle_count > WARNING_COUNT:
+        jingle_hard = True
+    delay = 0.5 if jingle_hard else 2
+    loop = 5 if jingle_hard else 1
+    travel = 180 if jingle_hard else 135
+    for _ in range(0, loop):
+        for angle in (0, travel):
+            servo.angle = angle
+            time.sleep(delay)
+    servo.angle = None
+
+def main():
+    global jingle_count
+    model = ImageModel.load('~/model')
+
+    # Check if there is a folder to keep the retraining data, if it there isn't make it
+    if (not os.path.exists('./retraining_data')):
+        os.mkdir('./retraining_data')
+
+    with picamera.PiCamera(resolution=(224, 224), framerate=30) as camera:
+        stream = io.BytesIO()
+        camera.start_preview()
+        # Camera warm-up time
+        time.sleep(2)
+        label = ''
+        while True:
+            stream.seek(0)
+            camera.annotate_text = None
+            camera.capture(stream, format='jpeg')
+            camera.annotate_text = label
+            img = Image.open(stream)
+            result = model.predict(img)
+            label = result.prediction
+            confidence = result.labels[0][1]
+            camera.annotate_text = label
+            print(f'\rLabel: {label} | Confidence: {confidence*100: .2f}%', end='', flush=True)
+
+            # Check if the current label is package and that the label has changed since last tine the code ran
+            if label == LABEL_CAT:
+                # Make Servo Jingle Keys
+                jingle_keys()
+            elif label == LABEL_MULTI_CAT:
+                jingle_keys(True)
+            elif label == LABEL_NOTHING:
+                jingle_count = 0
+
+            time.sleep(0.5)
+
+            inputs = get_inputs()
+            # Check if the joystick is pushed up
+            if (Input.UP in inputs):
+                color_fill(GREEN, 0)
+                # Check if there is a folder to keep the retraining data, if it there isn't make it
+                if (not os.path.exists(f'./retraining_data/{label}')):
+                    os.mkdir(f'./retraining_data/{label}')
+                # Remove the text annotation
+                camera.annotate_text = None
+
+                # File name
+                name = datetime.now()
+                # Save the current frame
+                camera.capture(
+                    os.path.join(
+                        f'./retraining_data/{label}', 
+                        f'{datetime.now().strftime("%Y-%m-%d_%H:%M:%S")}.jpg'
+                    )
+                )
+                
+                color_fill(OFF, 0)
+
+            # Check if the joystick is pushed down
+            elif (Input.DOWN in inputs or Input.BUTTON in inputs):
+                color_fill(RED, 0)
+                # Remove the text annotation
+                camera.annotate_text = None
+                # Save the current frame to the top level retraining directory
+                camera.capture(
+                    os.path.join(
+                        f'./retraining_data',
+                        f'{datetime.now().strftime("%Y-%m-%d_%H:%M:%S")}.jpg'
+                    )
+                )
+                color_fill(OFF, 0)
+
+
+if __name__ == '__main__':
+    try:
+        print(f"Predictions starting, to stop press \"CTRL+C\"")
+        main()
+    except KeyboardInterrupt:
+        print("")
+        print(f"Caught interrupt, exiting...")