add end file

big.py

+import RPi.GPIO as GPIO
+import os, time
+
+import threading
+
+import requests
+
+
+receiver_pin_1 = 18
+receiver_pin_2 = 23
+
+lock = threading.Lock()
+car_count = 0
+
+def increase_parking_row_space(rowId):
+    with lock:
+        request_try = 0 
+        update_path = 'https://192.168.0.94:44378/api/parkingrow/'+ str(rowId)
+        data = {"increasing":True}
+        patch_request = requests.patch(update_path, json=data, verify=False)
+        print(patch_request.status_code)
+        if patch_request.status_code != 200:
+            while(patch_request.status_code != 200 or request_try <3):
+                time.sleep(3)
+                patch_request = requests.patch(update_path, json=data, verify=False)
+                request_try = request_try + 1
+        else:
+            print("[{}]Space in parking row ".format(current_time_ms()) + str(rowId) + " succesfully increased")
+        
+def decrease_parking_row_space(rowId):
+    with lock:
+        request_try = 0 
+        update_path = 'https://192.168.0.94:44378/api/parkingrow/'+ str(rowId)
+        data = {"increasing":False}
+        patch_request = requests.patch(update_path, json=data, verify=False)
+        if patch_request.status_code != 200:
+            while(patch_request.status_code != 200 or request_try <3):
+                time.sleep(3)
+                patch_request = requests.patch(update_path, json=data, verify=False)
+                request_try = request_try + 1
+        else:
+            print("[{}]Space in parking row ".format(current_time_ms()) + str(rowId) + " succesfully decreased")
+
+
+def current_time_ms():
+    return round(time.time() * 1000)
+
+# def callback(channel):
+#     if GPIO.input(channel) == GPIO.LOW:
+#         # Lichtschranke misst Laser, kein Detection-Event
+#         callback_connect(channel)
+#     else:
+#         # Lichtschranke misst Laser NICHT, Detection-Event
+#         callback_disconnect(channel)
+
+
+def update_car_count(channel):
+    if channel is receiver_pin_1:
+        decrease_parking_row_space(1)
+    if channel is receiver_pin_2:
+        increase_parking_row_space(1)
+        
+
+# def callback_disconnect(channel):
+#     ldr = -1
+#     if channel is receiver_pin_1:
+#         ldr = 1
+#         # print("Ein KfZ ist auf den Parkplatz aufgefahren.")
+#     if channel is receiver_pin_2:
+#         ldr = 2
+#         # print("Ein KfZ ist von dem Parkplatz abgefahren.")
+#     print("[{}] Lichtschranke {} wurde unterbrochen".format(current_time_ms(), ldr))
+#     time.sleep(0.01)
+        
+# def callback_connect(channel):
+#     ldr = -1
+#     if channel is receiver_pin_1:
+#         ldr = 1
+#     if channel is receiver_pin_2:
+#         ldr = 2
+#     print("[{}] Lichtschranke {} wurde verbunden".format(current_time_ms(), ldr))
+#     time.sleep(0.01)
+    
+def main():
+    GPIO.setmode(GPIO.BCM)
+    GPIO.setwarnings(False)
+    
+    GPIO.setup(receiver_pin_1, GPIO.IN)
+    GPIO.setup(receiver_pin_2, GPIO.IN)
+    
+    GPIO.add_event_detect(receiver_pin_1, GPIO.RISING, callback=update_car_count, bouncetime=200)
+    GPIO.add_event_detect(receiver_pin_2, GPIO.RISING, callback=update_car_count, bouncetime=200)
+
+    try:
+        while True:
+           time.sleep(0.5)
+
+    except:
+        # Event wieder entfernen mittels:
+        GPIO.remove_event_detect(receiver_pin_1)
+        GPIO.remove_event_detect(receiver_pin_2)
+        
+if __name__ == '__main__':
+    
+    main()
+