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Macchina-J2534

J2534 drivers for various Macchina hardware

This is a experimental driver which is built in Rust, and is unofficially ported to Linux and OSX as well as Windows.

The Linux and OSX port can be utilized by OpenVehicleDiag

Demo videos

Odysee Youtube

Feature matrix

❌ - Feature is not supported by the adapter

TODO - Feature is supported by the adapter, but work is needed on the driver side in order to utilize it

➖ - Feature works, however some parts of the full implementation are missing, so some bugs might exist

✔️ - Feature works fully according to the J2534 specification

J2534 feature M2 UTD A0
Read battery voltage ✔️ ✔️
Read programming voltage
ISO-TP ✔️ ✔️
CAN
ISO9141 WIP
ISO14230-4 WIP
J1850PWM TODO
J1850VPW TODO
SCI

How to install

The process is generally the same for all supported hardware.

Requirments

Important information for windows users

You will need to install the i686-pc-windows-msvc toolchain!

$ rustup run stable-i686-pc-windows-msvc

Linux users

You need to install libudev-dev prior to building!

Installing the driver on Windows

  1. Create the directory C:\Program Files (x86)\macchina\passthru\
  2. Give the created passthru directory write permissions for your user account
  3. From the repositories driver folder, run build.bat. This will compile and install the drive
  4. Open WIN_DRIVER.reg and modify the COM-PORT attributes in the reg file to match that of your adapter as listed in device manager
  5. Merge the WIN_DRIVER.reg file with the Windows registry

Installing the driver on Linux and OSX

  1. Create the directory ~/.passthru/
  2. From the repositories driver folder, run build.sh
  3. In your ~/.passthru/ folder, you will find 2 JSON files. One for the M2 (macchina_m2.json) and one for the A0 (macchina_a0.json). Change the COM-PORT attribute in the JSON to match that of your TTY port your adapter uses.

Installing the adapter firmware

  1. Install FlexLED and esp32_can libraries (instructions are on the repo links)
  2. be sure you have read the setting up docs for your relivent adapter on Macchina's website here for the A0 or here for the M2.
  3. Open the firmware folder in Arduino IDE
  4. Modify MACCHINA_CONFIG.h, such that the file looks like the following depending on your target device:

For A0

//#define CFG_MACCHINA_M2
#define CFG_MACCHINA_A0
//#define CFG_MACCHINA_ESP32_TEST

For M2

#define CFG_MACCHINA_M2
//#define CFG_MACCHINA_A0
//#define CFG_MACCHINA_ESP32_TEST
  1. Upload the sketch to your target board and enjoy! On both the A0 and M2, a red LED will be activated upon successful upload. This means the adapter is ready to be used!

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J2534 drivers for various Macchina hardware

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