AEpy/AELink.py

   1 import binascii
   2 import serial
   3 import struct
   4 import traceback
   5
   6
   7 class AELink:
   8     def __init__(self):
   9         return
  10
  11
  12
  13
  14
  15 class AELinkSerial(AELink):
  16     def __init__(self, path, speed):
  17         self.ser = serial.Serial(path, speed, timeout=5, rtscts=1)
  18         assert self.ser.name == path
  19
  20         AELink.__init__(self)
  21
  22     def recv(self, rxlen):
  23         assert self.ser.is_open
  24         buf = self.ser.read(rxlen)
  25         #print("Received: " + binascii.hexlify(buf))
  26         return buf
  27
  28     def send(self, data):
  29         assert self.ser.is_open
  30         #print("Sending: " + binascii.hexlify(data))
  31         #traceback.print_stack()
  32         return self.ser.write(data)
  33
  34     def close(self):
  35         assert self.ser.is_open
  36         self.ser.close()