SMC768 module, chart, view

config/config.yml

@@ -20,3 +20,5 @@ modules:
     addr: 0x40
   system:
     enabled: true
+#  smc768: # for Macmini 2014 with SMC768
+#    enabled: true

mod-smc768.go

@@ -32,7 +32,9 @@ var Sensors = []string{
 	"ThrottleTime", // Core throttle time in milliseconds
 }
 
-type Smc768Response map[string]string
+type Smc768Data map[string]string
+
+type Smc768Response map[string][]string
 
 type Smc768Reporter struct {
 	data  Smc768Response
@@ -53,7 +55,7 @@ func LoadSmc768Reporter(cfg config.Smc768, store storage.Storer, dbg bool) (*Smc
 	return &Smc768Reporter{
 		dbg:   dbg,
 		store: store,
-		data:  make(map[string]string),
+		data:  make(Smc768Response),
 	}, nil
 }
 
@@ -65,14 +67,14 @@ func (r *Smc768Reporter) Collect(ctx context.Context) (err error) {
 	r.mx.Lock()
 	defer r.mx.Unlock()
 
-	r.data = r.ReadSMC768()
+	data := r.ReadSMC768()
 	if err != nil {
 		return errors.Join(err, fmt.Errorf("failed to get load avg: %v", err))
 	}
 
 	if r.store != nil {
 		for _, label := range Sensors {
-			err := r.store.Write(ctx, model.Data{Module: r.Name(), Topic: label, Value: r.data[label]})
+			err := r.store.Write(ctx, model.Data{Module: r.Name(), Topic: label, Value: data[label]})
 			if err != nil {
 				return errors.Join(err, fmt.Errorf("failed to write to storage: %v", err))
 			}
@@ -87,21 +89,24 @@ func (r *Smc768Reporter) Report() (interface{}, error) {
 	return r.data, nil
 }
 
-func (r *Smc768Reporter) ReadSMC768() Smc768Response {
+func (r *Smc768Reporter) ReadSMC768() Smc768Data {
 
-	data := make(Smc768Response)
+	data := make(Smc768Data)
 
 	// Read the data from the SMC768 and store it in the data map
 	for i := 1; i <= 60; i++ {
 		value := ReadInput(fmt.Sprintf("/sys/devices/platform/applesmc.768/temp%d_input", i))
 		label := ReadInput(fmt.Sprintf("/sys/devices/platform/applesmc.768/temp%d_label", i))
 		if slices.Contains(Sensors, label) {
 			data[label] = value
+			r.data[label] = append(r.data[label], value)
 		}
 	}
 
 	data["Exhaust"] = ReadInput("/sys/devices/platform/applesmc.768/fan1_input")
+	r.data["Exhaust"] = append(r.data["Exhaust"], data["Exhaust"])
 	data["ThrottleTime"] = ReadInput("/sys/devices/system/cpu/cpu0/thermal_throttle/core_throttle_total_time_ms")
+	r.data["ThrottleTime"] = append(r.data["ThrottleTime"], data["ThrottleTime"])
 
 	if r.dbg {
 		log.Printf("[DEBUG] Smc768Reporter: data:")
@@ -120,7 +125,7 @@ func ReadInput(file string) (v string) {
 		fmt.Println(err)
 	}
 
-	v = strings.TrimSpace(string(value))
+	v = strings.Trim(strings.TrimSpace(string(value)), "\n")
 
 	return
 }

web/chart.html

@@ -20,6 +20,7 @@
 	<div id='TimeInState'><!-- Plotly chart will be drawn inside this DIV --></div>
 	<div id='AmbTempChart'><!-- Plotly chart will be drawn inside this DIV --></div>
 	<div id='PressureChart'><!-- Plotly chart will be drawn inside this DIV --></div>
+	<div id='Smc768Chart'><!-- Plotly chart will be drawn inside this DIV --></div>
 	<!-- theme switch -->
 	<div id="theme-switch" style="position: absolute; top: 0; left: 0; padding: 4px; font-size: small; background-color: rgba(0,0,0,0.5); color: white; cursor: pointer;">
 		<span id="theme-switch-text">Dark/Light</span>
@@ -207,6 +208,44 @@
 		Plotly.newPlot('TimeInState', [TimeInState], TISlayout);
 	}
 
+	// check if there is object with name "Modules" and if it has "bmp280" and "htu21" keys
+	if (data["Modules"] && data["Modules"]["smc768"]
+		&& data["Modules"]["smc768"]["TC0C"]
+		&& data["Modules"]["smc768"]["Exhaust"] ) {
+
+		var cpu_temp = {
+			x: data["Dates"],
+			y: data["Modules"]["smc768"]["TC0C"],
+			type: 'scatter',
+			name: 'CPU core Temp, m˚C'
+		};
+		var fan_rpm = {
+			x: data["Dates"],
+			y: data["Modules"]["smc768"]["Exhaust"],
+			type: 'scatter',
+			name: 'Fan RPM',
+			yaxis: 'y2',
+		};
+
+		var Layout = {
+			yaxis: {
+				title: 'CPU core Temp, m˚C',
+				gridcolor: 'rgba(99, 110, 250, 0.2)'
+			},
+			yaxis2: {
+				title: 'Fan RPM',
+				overlaying: 'y',
+				side: 'right',
+				gridcolor: 'rgba(239, 85, 59, 0.2)'
+			},
+			margin: {"t": 32, "b": 0, "l": 0, "r": 0},
+			height: 400,
+			template: template
+		}
+
+		Plotly.newPlot('Smc768Chart', [cpu_temp, fan_rpm], Layout);
+	}
+
 	tempDiv.on('plotly_relayout', function(eventdata){
 		Plotly.relayout(loadDiv, eventdata);
 		Plotly.relayout('AmbTempChart', eventdata);

web/view.html

@@ -18,6 +18,7 @@
 	<div id='main'><!-- CPU temp and fan RPM chart --></div>
 	<div id='la5m'><!-- 5 minute load average chart --></div>
 	<div id='bmp280'><!-- atmospheric pressure chart --></div>
+	<div id='smc768'><!-- atmospheric pressure chart --></div>
 	<!-- theme switch -->
 	<div id="theme-switch" style="position: absolute; top: 0; left: 0; padding: 4px; font-size: small; background-color: rgba(0,0,0,0.5); color: white; cursor: pointer;">
 		<span id="theme-switch-text">Dark/Light</span>
@@ -103,6 +104,62 @@
 	Plotly.newPlot('main', plots, MainLayout);
 }
 
+async function loadSmc768() {
+	let data = await getData("smc768");
+
+	// check if there temp data
+	if (data == null || data["TC0C"] == null) {
+		return;
+	}
+
+	for (var key in data["TC0C"]) {
+		data["TC0C"][key] = parseInt(data["TC0C"][key]);
+	}
+
+	var temp = {
+		x: Object.keys(data["TC0C"]),
+		y: Object.values(data["TC0C"]),
+		type: 'scatter',
+		name: 'CPU, m˚C'
+	};
+
+	var Layout = {
+		yaxis: {
+			title: 'CPU, m˚C',
+			gridcolor: 'rgba(99, 110, 250, 0.2)'
+		},
+		margin: {"t": 32, "b": 0, "l": 0, "r": 0},
+		height: 400,
+		template: template
+	}
+	plots = [temp];
+
+	// check if there rpm data
+	if (data["Exhaust"] != null) {
+
+		for (var key in data["Exhaust"]) {
+			data["Exhaust"][key] = parseInt(data["Exhaust"][key]);
+		}
+
+		var rpm = {
+			x: Object.keys(data["Exhaust"]),
+			y: Object.values(data["Exhaust"]),
+			type: 'scatter',
+			name: 'Fan RPM',
+			yaxis: 'y2',
+		};
+		Layout.yaxis2 = {
+			title: 'Fan RPM',
+			overlaying: 'y',
+			side: 'right',
+			gridcolor: 'rgba(239, 85, 59, 0.2)',
+			showgrid: false,
+		}
+		plots.push(rpm);
+	}
+	Plotly.newPlot('smc768', plots, Layout);
+}
+
 async function loadLa5m() {
 	let data = await getData("system");
 
@@ -180,6 +237,7 @@
 	await loadMain();
 	await loadLa5m();
 	await loadBMP280();
+	await loadSmc768();
 
 	var mainDiv = document.getElementById('main');
 	var la5mDiv = document.getElementById('la5m');