RS485 echo test (!5) · Merge requests · SECO Northern Europe / Tools / gf-emc-test-suite · GitLab

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Felix Gerking requested to merge add-rs485echo into dunfell Nov 13, 2020

Add RS485 echo test for our EMC verification.
The test is more flexible than the legacy RS485 ping pong test and will always recover from transmission errors due to EMI.
The sent data includes a hard-coded 4-byte header and a 4-byte data length field, which is parsed by the receiver. The receiver always scans the received data for the header bytes in order to detect a new message.

BCS 746-E00007