La til card punch constructor fra seriel packet

otime.py

@@ -239,6 +239,40 @@ class card_punch:
     def __repr__(self):
         return f'card({self.card}) controls({self.controls}) splits({self.splits})'
 
+    def from_mtr_bytes(datamsg):
+        card = int.from_bytes(datamsg[20:23], 'little')
+
+        #Extract codes and splits:
+        controls = []
+        splits = []
+        splits_offset = 26
+        code_numbytes = 1
+        time_numbytes = 2
+        split_numbytes = code_numbytes + time_numbytes
+        for split_index in range(50):
+            code_offset = splits_offset + split_index * split_numbytes
+            time_offset = code_offset + code_numbytes
+            code = int.from_bytes(datamsg[code_offset:code_offset+code_numbytes], 'little')
+            time = int.from_bytes(datamsg[time_offset:time_offset+time_numbytes], 'little')
+            if code != 0:
+                controls.append(code)
+                splits.append(time)
+
+        # Extract start time:
+        year = int.from_bytes(datamsg[8:9], 'little')
+        month = int.from_bytes(datamsg[9:10], 'little')
+        day = int.from_bytes(datamsg[10:11], 'little')
+        hours = int.from_bytes(datamsg[11:12], 'little')
+        minutes = int.from_bytes(datamsg[12:13], 'little')
+        seconds = int.from_bytes(datamsg[13:14], 'little')
+        milliseconds = int.from_bytes(datamsg[14:16], 'little')
+
+        read_time = datetime.datetime(year, month, day, hours, minutes, seconds, milliseconds)
+        start_time = read_time - datetime.timedelta(seconds = splits[-1])
+        finish_time = read_time - datetime.timedelta(seconds = splits[-2])
+
+        return(card_punch(card, controls, splits, start_time, finish_time))
+
     def list_from_mtr_f(mtr_f):
         csvreader = csv.reader(open(mtr_f))
 

serial_test.py

@@ -3,17 +3,36 @@ import mtrreader
 from rich import inspect
 import mtrlog
 from datetime import datetime
+import binascii
+import otime
 
 mtr = serial.Serial(port='/dev/ttyUSB0', baudrate=9600, timeout=40)
 
 def main():
-    data = mtr.read_until(expected='FFFFFFFFFF', size=230)
+    pree = mtr.read_until(expected=b'\xFF\xFF\xFF\xFF')
+    size = mtr.read(size=1)
+    if size == b'\xe6':
+        meat = mtr.read(229)
         print('START')
-    msg = mtrreader.MtrDataMessage(data)
+
+        full = b'\xFF\xFF\xFF\xFF' + size + meat
+        print(binascii.hexlify(full))
+        msg = mtrreader.MtrDataMessage(full)
         f = mtrlog.MtrLogFormatter
-    print(f.format(f, msg, datetime.now()))
+        #print(f.format(f, msg, datetime.now()))
+        #card_r_from_mtr_bytes(full)
+        inspect(otime.card_punch.from_mtr_bytes(full))
         print('END')
+    elif size == b'\x37':
+        meat = mtr.read(55)
+        status = mtrreader.MtrStatusMessage(meat)
+        inspect(status)
+        print(status.year(),status.month(),status.day(),status.hours(),status.minutes())
     main()
 
+def send_status_command(mtr):
+    mtr.write(b'/ST')
+
 if __name__ == '__main__':
+    #send_status_command(mtr)
     main()