reading tags is done, tag is read and contents are saved to json with lap times

SW/PC/main.py

@@ -1,4 +1,59 @@
 import serial
+import json
+from datetime import datetime
+
+JSON_PATH = './Alkator.json'
+
+data_dict = ''
+
+try:
+    with open(JSON_PATH, 'r') as file:
+        file_content = file.read()
+        data_dict = json.loads(file_content)
+        print('json_exists')
+except:
+    data_dict = {}
+
+def get_seconds():
+    current_time = datetime.now()
+    hours = current_time.hour
+    mins = current_time.minute
+    secs = current_time.second
+    us = current_time.microsecond
+    seconds = hours*3600 + mins*60 + secs
+    seconds = float(str(seconds) + '.' + str(us))
+    return seconds
+
+def read(ser):
+    while True:
+        mes = ser.read_until(b'\r')
+        if b'Reading ntag' in mes:
+            print('reading')
+        if b'Data' in mes:
+            data = mes.decode('utf-8')
+            data = data[6:].replace('\x00', '').replace('\r', '').split(' ')
+            print('data read done')
+            try:
+                lap_secs = get_seconds() - data_dict[data[0]]['time']
+                print(lap_secs)
+                lap = data_dict[data[0]]['laps']
+                try:
+                    data_dict[data[0]]['lap_time'][lap] = lap_secs
+                except:
+                    data_dict[data[0]]['lap_time'] = {lap: lap_secs}
+                lap += 1
+                data_dict[data[0]]['laps'] = lap
+                data_dict[data[0]]['time'] = get_seconds()
+                
+            except:
+                data_dict[data[0]] = {'name': data[1]}
+                data_dict[data[0]]['time'] = get_seconds()
+                data_dict[data[0]]['laps'] = 0
+            
+            data_json = json.dumps(data_dict, indent=4)
+            print(data_json)
+            with open(JSON_PATH, 'w') as file:
+                file.write(data_json)
 
 def main():
     s = serial.Serial(port="/dev/ttyACM0", parity=serial.PARITY_EVEN, stopbits=serial.STOPBITS_ONE, timeout=1)
@@ -14,15 +69,11 @@ def main():
             s.write(data.encode())
     elif rw == 'r':
         s.write('r\r'.encode())
-        while True:
+        read(s)
-            mes = s.read_until(b'\r')
-            print(mes.decode())
     elif rw == '':
         s.write('r\r'.encode())
-        while True:
+        read(s)
-            mes = s.read_until(b'\r')
+        
-            if mes != '':
-                print(mes.decode())
     else:
         print('Invalid option')