Changes microcontroller error stuff.

build/figurines/microcontroller_comms.py

@@ -16,10 +16,12 @@
 import requests
 import socket
 import json
+import logging
 
 # =========================== GLOBAL VALUES ================================== #
 
 POLL_DELAY = 15
+COM_PORT_PREFIX = "cu.usbmodem"  # usbmodem1101 and usbmodem2101
 global connect_status, read_state, port, serialPort
 global serial_count  # Optimized counter, used to clear the serial input buffer
 serial_count = 0
@@ -28,10 +30,12 @@
 
 # =========================== SERIAL HANDLING ================================== #
 
+_LOGGER = logging.getLogger(__name__)
+_LOGGER.setLevel(logging.DEBUG)
 
 def initialise_serial(port):
     global serialPort, connect_status
-    print('PRC [Starting Serial at ' + port + ']')
+    _LOGGER.info("Starting serial at %s", port)
     serialPort = serial.Serial(
         port,
         baudrate=9600,
@@ -46,9 +50,12 @@ def initialise_serial(port):
 
 def serial_disconnect():
     global serialPort, connect_status
+    _LOGGER.info("Disconnecting serial port")
     serialPort.flushInput()
     serialPort.flushOutput()
+    _LOGGER.info("Flushing input and output")
     serialPort.close()
+    _LOGGER.info("Closing serial port")
     connect_status = (
         False  # Set the connection status to False when serial is disconnected
     )
@@ -57,6 +64,8 @@ def serial_disconnect():
 def serial_send_data(data):
     global read_state, serialPort
     read_state = False  # Pause Reading serial
+    _LOGGER.info("Sending data to the port")
+    _LOGGER.debug("Sending %s", data)
     print('Sending ' + str(data))
     serialPort.write(data)
     read_state = True  # Resume Reading serial
@@ -73,6 +82,7 @@ def serial_read_data(serialPort):
 
 
 def send_to_controller(value):
+    _LOGGER.info("Sending data to the microcontroller")
     com_string = ''.join(str(value[key]) for key in sorted(value))
     data = bytes('FIG' + com_string, 'utf-8')
     serial_send_data(data)
@@ -97,7 +107,7 @@ def check_presence(port, interval=0.01):
 
 def start_thread():
     global port, connect_status
-    print('THR [Starting Thread at port:', port, ']')
+    _LOGGER.info("Starting thread at port %s", port)
     port_controller = threading.Thread(target=check_presence, args=(port, 0.1))
     port_controller.daemon = True
     port_controller.start()
@@ -112,10 +122,14 @@ def main():
 
     while True:
         if not connect_status:
-            port = serial.tools.list_ports.comports()
-            coms = [com[0] for com in port]
-            if coms:
-                initialise_serial(coms[0])
+            port_device = None 
+            ports = serial.tools.list_ports.comports()
+            for port in ports:
+                if COM_PORT_PREFIX in port.name:
+                    port_device = port[0]
+                    break
+            if port_device is not None:
+                initialise_serial(port_device)
                 start_thread()
             else:
                 connect_status = False
@@ -129,9 +143,18 @@ def main():
                     figurine_status = response
                     send_to_controller(figurine_status)
                 sleep(POLL_DELAY)
-            except Exception as e:
+            except requests.exceptions.ConnectionError as e:
+                _LOGGER.info("Error making HTTP request")
+                _LOGGER.debug("Error - %s", e)
                 serial_disconnect()
-                print(f'Error connecting to serial: {e}')
+                _LOGGER.info("Disconnecting serial")
+                break
+            except serial.SerialException as e:
+                _LOGGER.info("Error finding serial device or configuring it")
+                _LOGGER.debug("Error - %s", e)
+                break
+
+
 
 
 if __name__ == '__main__':