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fix links and MD hierarchy

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rusEFI-calibration-via-CAN.md
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# rusEFI Calibration Via CAN # rusEFI Calibration Via CAN
# TL,DR ## TL,DR
With all the electromagnetic interference around the gasoline engine due to sparking CAN physical layer provides the level of reliability above RS232 and USB physical layers. With all the electromagnetic interference around the gasoline engine due to sparking CAN physical layer provides the level of reliability above RS232 and USB physical layers.
@ -8,24 +8,22 @@ With all the electromagnetic interference around the gasoline engine due to spar
[https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/can](https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/can) folder has java implementation of ISO-TP packet encoding/decoding. [https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/can](https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/can) folder has java implementation of ISO-TP packet encoding/decoding.
There is no standard way of communicating with CAN bus on Windows. At the moment rusEFI is focusing on [PCAN by Peak System]([https://www.peak-system.com/](https://www.peak-system.com/)) and ELM327 options of the Windows side of CAN. There is no standard way of communicating with CAN bus on Windows. At the moment rusEFI is focusing on [PCAN by Peak System](https://www.peak-system.com/) and ELM327 options of the Windows side of CAN.
## PCAN
# PCAN
Between three major professional CAN frontend vendors we like PCAN by [https://www.peak-system.com/](https://www.peak-system.com/) due to the combination of the following Between three major professional CAN frontend vendors we like PCAN by [https://www.peak-system.com/](https://www.peak-system.com/) due to the combination of the following
1) documented Windows DLL drivers with official java wrappers called [PCAN-Basic API]([https://www.peak-system.com/](https://www.peak-system.com/)PCAN-Basic.239.0.html?&L=1)
1) documented Windows DLL drivers with official java wrappers called [PCAN-Basic API](https://www.peak-system.com/PCAN-Basic.239.0.html?&L=1)
2) [https://github.com/moonglow/pcan_cantact](https://github.com/moonglow/pcan_cantact) open source firmware for [cheeeeeeap third party devices](https://rusefi.com/forum/viewtopic.php?f=13&t=2243 ) 2) [https://github.com/moonglow/pcan_cantact](https://github.com/moonglow/pcan_cantact) open source firmware for [cheeeeeeap third party devices](https://rusefi.com/forum/viewtopic.php?f=13&t=2243 )
rusEFI bridge between PCAN and ISO-TP is located at [https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/stream](https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/stream) rusEFI bridge between PCAN and ISO-TP is located at [https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/stream](https://github.com/rusefi/rusefi/tree/master/java_console/io/src/main/java/com/rusefi/io/stream)
# ELM327 ## ELM327
With more than a dozen magic commands it's possible to switch ELM327 device into binary transition with serial communication between calibration software and ELM327 acting as a bridge. At the moment we have a very odd bug making the overall solution not working as of Jan 2022. With more than a dozen magic commands it's possible to switch ELM327 device into binary transition with serial communication between calibration software and ELM327 acting as a bridge. At the moment we have a very odd bug making the overall solution not working as of Jan 2022.
See [https://canhacker.com/ch-obd-m02/](https://canhacker.com/ch-obd-m02/) for great pinout image. Yes both GND are needed for reliable ELM327 operation. See [https://canhacker.com/ch-obd-m02/](https://canhacker.com/ch-obd-m02/) for great pinout image. Yes both GND are needed for reliable ELM327 operation.
[IsoTp ISO 15765-2 in rusEFI - Forum](https://rusefi.com/forum/viewtopic.php?f=5&t=2233) [IsoTp ISO 15765-2 in rusEFI - Forum](https://rusefi.com/forum/viewtopic.php?f=5&t=2233)