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An Elixir implementation of the Open Supervised Device Protocol (OSDP).

Open Supervised Device Protocol (OSDP) is an access control communications standard developed by the Security Industry Association (SIA).

The OSDP standard describes the communication interface of one or more Peripheral Devices (PD) to an Access Control Unit (ACU). The specification describes the protocol implementation over a two-wire RS-485 multi-drop serial communication channel.

OSDP Supports the control of components on a PD such as:

  • LED
  • Buzzer
  • Keypad
  • Output (GPIOs)
  • Input Control (GPIOs)
  • Displays
  • Device status (tamper, power, etc.)
  • Card Reader
  • Fingerprint Reader

Example

{:ok, acu} = Jeff.start_acu(serial_port: "/dev/ttyUSB0")
Jeff.add_pd(acu, 0x7F, check_scheme: :crc)
Jeff.id_report(acu, 0x7F)

License

Copyright (C) 2022 SmartRent

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at [http://www.apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0)

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.