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Fix SpoolBuddy scale tare & calibration not being applied

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The tare and calibrate buttons on the Settings page queued commands
  but never executed them due to five broken links:

  1. Daemon received tare command but never called scale.tare()
  2. No endpoint to persist tare offset back to backend DB
  3. Heartbeat never called scale.update_calibration()
  4. Heartbeat response with stale values overwrote new tare to zero
  5. set-factor used DB tare_offset (stale/zero), producing wrong
     calibration factor — empty scale showed ~5000g

  Fixed daemon to execute tare, persist result, and propagate
  calibration. Calibration step now captures raw ADC at tare time
  and sends it with step 2, making factor computation self-contained.

  Replaced calibration weight input with compact touch numpad for
  the RPi kiosk's 1024x600 touchscreen (no physical keyboard).
This commit is contained in:
maziggy
2026-02-28 09:51:51 +01:00
parent 49ddb570cc
commit 04e64ffde1
9 changed files with 27 additions and 18 deletions
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frontend/src/api/client.ts
+2 -2
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@@ -4849,10 +4849,10 @@ export const spoolbuddyApi = {
getCalibration: (deviceId: string) =>
request<{ tare_offset: number; calibration_factor: number }>(`/spoolbuddy/devices/${deviceId}/calibration`),
setCalibrationFactor: (deviceId: string, knownWeightGrams: number, rawAdc: number) =>
setCalibrationFactor: (deviceId: string, knownWeightGrams: number, rawAdc: number, tareRawAdc?: number) =>
request<{ tare_offset: number; calibration_factor: number }>(`/spoolbuddy/devices/${deviceId}/calibration/set-factor`, {
method: 'POST',
body: JSON.stringify({ known_weight_grams: knownWeightGrams, raw_adc: rawAdc }),
body: JSON.stringify({ known_weight_grams: knownWeightGrams, raw_adc: rawAdc, tare_raw_adc: tareRawAdc }),
}),
updateSpoolWeight: (spoolId: number, weightGrams: number) =>