init. Not working due to the malunction of PySimpleGUI lib

device_interaction.py

@@ -0,0 +1,110 @@
+
+
+import time
+
+from datetime import datetime
+import device_commands as cmd
+
+
+#### ---- Constants
+
+WAIT_AFTER_SEND = 0.15 # Wait after sending command, before requesting input (in seconds). 
+
+
+#### ---- High-level port commands
+
+def create_port_connection():
+    prt = None
+    for port, _, _ in sorted(cmd.list_ports.comports()):
+        try:
+            prt = cmd.setup_port_connection(port=port, baudrate=115200, timeout_sec=1)
+            cmd.open_port(prt)
+            reset_port_settings(prt)
+        except:
+            prt.close()
+            continue
+        break
+    return prt
+
+# def setup_connection():
+#     prt = cmd.setup_port_connection()
+#     cmd.open_port(prt)
+#     return prt
+
+
+def reset_port_settings(prt):
+    # Reset port settings and check status
+    cmd.send_DEFAULT_ENABLE(prt)
+    time.sleep(WAIT_AFTER_SEND)
+    status = cmd.get_STATE(prt).hex()
+    if status is not None:
+        print("Received: STATE. State status:", cmd.decode_STATE(status), "("+cmd.flipfour(status)+")")
+        print("")
+
+
+def request_state(prt):
+    # Request data
+    cmd.send_STATE(prt)
+    time.sleep(WAIT_AFTER_SEND)
+    status = cmd.get_STATE(prt).hex()
+    if status is not None:
+        print("Received: STATE. State status:", cmd.decode_STATE(status), "("+cmd.flipfour(status)+")")
+        print("")
+
+
+def send_control_parameters(prt, params):
+    # Send control parameters
+    hexstring = cmd.encode_Input(params)
+    cmd.send_DECODE_ENABLE(prt,hexstring)
+    time.sleep(WAIT_AFTER_SEND)
+    status = cmd.get_STATE(prt).hex()
+    if status is not None:
+        print("Received: STATE. State status:", cmd.decode_STATE(status), "("+cmd.flipfour(status)+")")
+        print("")
+    else:
+        print("")
+
+def send_task_command(prt, sending_param):
+    # Send task command (TASK_ENABLE state in firmware)
+    hexstring = cmd.create_TaskEnableCommand(sending_param)
+    cmd.send_TASK_ENABLE(prt,hexstring)
+    time.sleep(WAIT_AFTER_SEND)
+    status = cmd.get_STATE(prt).hex()
+    if status is not None:
+        print("Received: STATE. State status:", cmd.decode_STATE(status), "("+cmd.flipfour(status)+")")
+        print("")
+    else:
+        print("")
+
+def request_data(prt):
+    # Request data
+    cmd.send_TRANS_ENABLE(prt)
+    time.sleep(WAIT_AFTER_SEND)
+    data = cmd.get_DATA(prt).hex()
+    data_dict = []
+    if data is not None:
+        data_dict = cmd.decode_DATA(data)
+    return data_dict
+
+
+def print_data(data):
+    def shorten(i):
+        return str(round(i, 2))
+
+    print("Data from device (time: "+datetime.now().strftime("%H:%M:%S:%f")+"):")
+    print("Message Header:", data['Header'], "  Message ID:", data['Message_ID'])
+    print("Photodiode Current 1 ("+str(len(data['I1']))+" values):", \
+        shorten(data['I1']), shorten(data['I1'][1]), "...", \
+        shorten(data['I1']), shorten(data['I1'][-1]), "mA")
+    print("Photodiode Current 2 ("+str(len(data['I2']))+" values):", \
+        shorten(data['I2']), shorten(data['I2'][1]), "...", \
+        shorten(data['I2']), shorten(data['I2'][-1]), "mA")
+    print("Laser Temperature 1:", shorten(data['Temp_1']), "C")
+    print("Laser Temperature 2:", shorten(data['Temp_2']), "C")
+    print("Temperature of external thermistor 1:", shorten(data['Temp_Ext_1']), "C")
+    print("Temperature of external thermistor 2:", shorten(data['Temp_Ext_2']), "C")
+    print("Voltages 3V3: "+shorten(data['MON_3V3'])+"V   5V1: "+shorten(data['MON_5V1'])+ \
+        "V   5V2: "+shorten(data['MON_5V2'])+"V   7V0: "+shorten(data['MON_7V0'])+"V.")
+
+def close_connection(prt):
+    cmd.close_port(prt)