Wiegand API Tutorial
Run the example
- Install and run the gateway
- Download the Python client library
- Copy the root certificate of the gateway to your working directory. As default, the certificate(ca.crt) resides in cert of the installation directory.
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Change the server and the device information in example/wiegand/test/test.py as needed.
# the path of the root certificate GATEWAY_CA_FILE = '../../../../cert/gateway/ca.crt' # the ip address of the gateway GATEWAY_IP = '192.168.0.2' GATEWAY_PORT = 4000 # the ip address of the target device DEVICE_IP = '192.168.0.110' DEVICE_PORT = 51211 USE_SSL = False
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Run.
cd example/wiegand/test python test.py
1. Connect to the gateway and the device
The example assumes you use the device gateway. For the master gateway or other connection options, refer to the Connect or ConnectMaster examples.
client = GatewayClient(GATEWAY_IP, GATEWAY_PORT, GATEWAY_CA_FILE)
channel = client.getChannel()
connectSvc = ConnectSvc(channel)
connInfo = connect_pb2.ConnectInfo(IPAddr=DEVICE_IP, port=DEVICE_PORT, useSSL=USE_SSL)
devID = connectSvc.connect(connInfo)
2. Make the standard 26 bit format
The 26 bit standard format consists of 8 bit facility code and 16 bit id. It is one of the most widely used formats in the industry.
# 26 bit standard
# FC: 01 1111 1110 0000 0000 0000 0000 : 0x01fe0000
# ID: 00 0000 0001 1111 1111 1111 1110 : 0x0001fffe
# EP: 01 1111 1111 1110 0000 0000 0000 : 0x01ffe000, Pos 0, Type: Even
# OP: 00 0000 0000 0001 1111 1111 1110 : 0x00001ffe, Pos 25, Type: Odd
default26bit = wiegand_pb2.WiegandFormat(length=26)
default26bit.IDFields.append(bytes([0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])) # Facility Code
default26bit.IDFields.append(bytes([0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])) # ID
evenParity = wiegand_pb2.ParityField(parityPos=0, parityType=wiegand_pb2.WIEGAND_PARITY_EVEN)
evenParity.data = bytes([0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
oddParity = wiegand_pb2.ParityField(parityPos=25, parityType=wiegand_pb2.WIEGAND_PARITY_ODD)
oddParity.data = bytes([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])
default26bit.parityFields.append(evenParity)
default26bit.parityFields.append(oddParity)
wiegandConfig = wiegand_pb2.WiegandConfig(mode=wiegand_pb2.WIEGAND_IN_ONLY, outPulseWidth=40, outPulseInterval=10000)
wiegandConfig.formats.append(default26bit)
self.wiegandSvc.setConfig(deviceID, wiegandConfig)
3. Make the HID 37 bit format
The HID 37 format consists of 16 bit facility code and 19 bit ID.
# 37 bit HID
# FC: 0 1111 1111 1111 1111 0000 0000 0000 0000 0000 : 0x0ffff00000
# ID: 0 0000 0000 0000 0000 1111 1111 1111 1111 1110 : 0x00000ffffe
# EP: 0 1111 1111 1111 1111 1100 0000 0000 0000 0000 : 0x0ffffc0000, Pos 0, Type: Even
# OP: 0 0000 0000 0000 0000 0111 1111 1111 1111 1110 : 0x000007fffe, Pos 36, Type: Odd
hid37bitFormat = wiegand_pb2.WiegandFormat(length=37)
hid37bitFormat.IDFields.append(bytes([0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])) # Facility Code
hid37bitFormat.IDFields.append(bytes([0, 0, 0, 0, 0, 0, 0 ,0 ,0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])) # ID
evenParity = wiegand_pb2.ParityField(parityPos=0, parityType=wiegand_pb2.WIEGAND_PARITY_EVEN)
evenParity.data = bytes([0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
oddParity = wiegand_pb2.ParityField(parityPos=36, parityType=wiegand_pb2.WIEGAND_PARITY_ODD)
oddParity.data = bytes([0, 0, 0, 0, 0, 0, 0 ,0 ,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])
hid37bitFormat.parityFields.append(evenParity)
hid37bitFormat.parityFields.append(oddParity)
wiegandConfig = wiegand_pb2.WiegandConfig(mode=wiegand_pb2.WIEGAND_IN_ONLY, outPulseWidth=40, outPulseInterval=10000)
wiegandConfig.formats.append(hid37bitFormat)
self.wiegandSvc.setConfig(deviceID, wiegandConfig)