Handle LCD errors gracefully
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a055514612
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cbc1f161c1
1 changed files with 17 additions and 6 deletions
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@ -27,12 +27,15 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream) {
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config := configuration.Global()
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// Display
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var hasDisplay bool
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display, err := lcd.NewLCD(config.I2C.Bus)
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if err != nil {
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hub.CaptureException(err)
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log.Fatal(err)
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log.Printf("Error initializing LCD: %v", err)
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} else {
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hasDisplay = true
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defer display.Close()
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}
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defer display.Close()
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// Controller
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ctrl := controllers.NewChamberController(config)
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@ -60,8 +63,12 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream) {
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}
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defer gpio.Close()
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wg.Add(5)
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go display.Run(ctx, wg)
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if hasDisplay {
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wg.Add(1)
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go display.Run(ctx, wg)
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}
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wg.Add(4)
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go ctrl.Run(ctx, wg)
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go ingest.Run(ctx, wg)
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go temperature.PollSensors(ctx, wg, 1*time.Second, config.Sensors.Weight)
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@ -77,7 +84,9 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream) {
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case reading := <-temperature.Reading:
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ctrl.SetTemperature(reading)
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ingest.AddReading(reading)
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display.SetTemperature(reading)
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if hasDisplay {
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display.SetTemperature(reading)
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}
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case <-temperature.RequestReset:
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log.Print("Powering down one wire bus for 20 seconds")
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@ -111,7 +120,9 @@ func mainLoop(ctx context.Context, wg *sync.WaitGroup, js nats.JetStream) {
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case state := <-ctrl.C:
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gpioSetState(state, gpio, config)
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ingest.AddState(state)
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display.SetState(state)
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if hasDisplay {
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display.SetState(state)
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}
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case c := <-chConfigChange:
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config = c
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