go-modbus

• Master
• TCP Protocol
• RTU Protocol
• TCP Transport
• Connect and Read timeout
• Discard before send
• Test: Address and function sweept
• Exception custom error
• Serial Transport: separated package
• Model: Basic map model
• Disable trace in production
• Slave: Bootstrap only
• Environ controlled trace
• Public importable spec
• Out of bounds checks
• Special function codes
• Special data types
• Verify and narrow public api
• Test: IO error recoveries
• Test: In the middle breaks

Helpers

(cd spec; go test)
(cd spec; GO_MODBUS_TRACE=true go test)
(cd sample; go run .)

Notes

• Responses don't have enough info to be fully parsed. A ReadDis for example wont packet count but only the total bytes making it dependant on knowing the original intended count.