LTSupportAutomotive is a library for writing apps that communicate with vehicles using OBD2 adapters. It also contains auxilliary classes, such as a VIN decoder, and a BTLE characteristic(s) / NSStream serial bridge.
Here is an overview of the most important classes:
Represents an OBD2 adapter sending commands over input- and output-streams using a certain vehicle protocol. Concrete subclasses (e.g., LBOBD2AdapterELM327 for ELM327-compatible chipsets, or LTOBD2AdapterCaptureFile for capture files) are available.
Represents an OBD2 command. Concrete subclasses, e.g. for the well-known OBD2 PIDs are available.
Represents a generic vehicle protocol. Concrete subclasses for protocols such as ISO14230-4 (CAN), ISO15765-4, ISO9141-2, or SAEJ1850 are available.
Represents a bridge between one or two BTLE characteristics and NSStream subclasses.
Add this framework to your podfile:
pod 'LTSupportAutomotive', '~> 1.0'
If anyone wants to make this carthage aware, feel free to supply a pull request. I'm not using this package manager myself.
You can also include LTSupportAutomotive as an Xcode subproject and link LTSupportAutomotive.framework to your executable.
LTAutomotiveSupportDemo.xcodeproj is a (pretty bare-bones) example project.
- OBD2 Expert (yours truly)
- Cargo Objects Street Assistant (LAWA-Solutions GmbH)
Please drop us a note, if you are using this library as well.
This software should work with most ELM327-compatible hardware (including the behemoth of available clones). In general, I recommend the Bluetooth 4.0 devices, since they seems to have a much better quality compared to the WiFi adapters.
Moreover, they're much more convenient as you don't have to switch the WiFi network. Note that since iOS is lacking public SDK access to Bluetooth classic (in particular the Bluetooth rfcomm protocol), iOS devices will not work with Bluetooth 3.0 adapters.
I have tested this library myself with the following adapters (Note that none of these contain a real ELM327):
- Carista Bluetooth OBD2
- FIXD OBD-II Scan Tool (2nd Gen)
- LELink Bluetooth Low Energy
- VGate iCar Pro BLE4.0 Dual
- NAVISKAUTO WIFI WLAN ELM327
- EXZA® SUPER Mini WiFi WLAN OBD 2
- OBDLINK MX (w/ STN11xx)
- OBDLINK SX SCANTOOL
While this library can already be used for a lot of things, I'd like to see improvements in a bunch of areas, such as:
- Translations (I only have DE, FR, and EN atm.),
- Implementation of missing standardized PIDs,
- Addition of vendor-specific DTCs,
- Implementation of vendor-specific PIDs,
- Implementation of direct (non-PID-based) communication with ECUs.
Please fork and open a pull-request. I'd also like to know about success stories or confirmation for additional compatible hardware (see above) working with this library.
- LAWA Solutions GmbH
- Thomas Dankert
Copyright (c) 2016-2019 Dr. Michael 'Mickey' Lauer
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The above copyright notice and this permission notice shall be included in the documentation of any redistributions of the template files themselves (but not in projects built using the templates).
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