dashboard: show sensor node RS485 diagnostics

2026-07-26 18:10:50 -06:00
parent 35c0721b47
commit f145730b14
10 changed files with 266 additions and 1 deletions
@@ -26,6 +26,8 @@ The receiver should parse only newline-complete JSON objects. A changed `boot_id
 5. Disconnect/reconnect one bus conductor and verify the receiver detects sequence gaps rather than accepting partial JSON.
 6. Terminate only the two physical ends of a long installed bus; a short bench cable normally does not need termination.

+The Waveshare dashboard receiver uses GPIO43 RX and GPIO44 TX through its onboard automatic-direction RS485 transceiver. Its diagnostics overlay displays the initial parsed sensor model and transport counters; this link is separate from Cargo WiFi/HTTP control.
+
 This link does not replace dashboard-to-Cargo WiFi/HTTP. A future dashboard receiver may display this telemetry without moving relay, BMS, alarm, or configuration authority away from Cargo.

 ## Level calibration commands