added speed factor configuration

README.md

@@ -140,6 +140,11 @@ One to force W (Watt) instead of kW, set it to 1 to use it:
 show_w_not_kw: 1
 ```
 
+One to set a different speed for the moving dots, normal speed factor is 0.04 so stay near that number at first, 0.2 is really fast:
+```yml
+speed_factor: 0.03
+```
+
 One for the threshold from which W is converted to kW (the example below will change W into kilowatt from 5000 W onwards):
 ```yml
 threshold_in_k: 5

src/TeslaStyleSolarPowerCard.ts

@@ -61,6 +61,7 @@ export class TeslaStyleSolarPowerCard extends LitElement {
     if (this.config.battery_icon == null) this.config.battery_icon = 'mdi:battery-medium';
     if (this.config.appliance1_icon == null) this.config.appliance1_icon = 'mdi:car-sports';
     if (this.config.appliance2_icon == null) this.config.appliance2_icon = 'mdi:air-filter';
+    if (this.config.speed_factor == null) this.config.speed_factor = 0.04;
 
     this.createSolarCardElements();
     if (!this.config.energy_flow_diagramm) {
@@ -149,7 +150,7 @@ export class TeslaStyleSolarPowerCard extends LitElement {
           this.hass.states[solarSensor.entity].state,
           this.hass.states[solarSensor.entity].attributes.unit_of_measurement
         );
-        solarSensor.setSpeed();
+        solarSensor.setSpeed(this.config.speed_factor);
       } catch (err) {
         this.error += " Configured '" + solarSensor.entity + "' entity was not found. ";
       }

src/models/SensorElement.ts

@@ -74,9 +74,17 @@ export class SensorElement {
     }
   }
 
-  public setSpeed(): void {
+  public setSpeed(factor: number | undefined): void {
     this.speed = 0;
     if (Math.abs(this.value) === 0) return;
-    this.speed = (SensorElement.SPEEDFACTOR * this.value) / 1000;
+
+    let speedFactor: number;
+    if (factor === undefined || factor > 1 || factor <= 0) {
+      speedFactor = SensorElement.SPEEDFACTOR;
+    } else {
+      speedFactor = factor;
+    }
+
+    this.speed = (speedFactor * this.value) / 1000;
   }
 }

src/models/TeslaStyleSolarPowerCardConfig.ts

@@ -13,6 +13,7 @@ export interface TeslaStyleSolarPowerCardConfig extends LovelaceCardConfig {
   show_w_not_kw?: any;
   hide_inactive_lines?: boolean;
   threshold_in_k?: number;
+  speed_factor?: number;
   energy_flow_diagramm?: boolean;
   energy_flow_diagramm_lines_factor?: number;
   change_house_bubble_color_with_flow?: boolean;

test/SensorElement.test.ts

@@ -9,18 +9,26 @@ describe('SensorElements test', () => {
     const selement = new SensorElement('test_entity', 'solar_consumption');
     selement.value = 1;
     selement.unitOfMeasurement = 'W';
-    selement.setSpeed();
+    selement.setSpeed(0.04);
     expect(selement.speed).to.equal(0.00004);
   });
 
   it('should setSpeed with kW', () => {
     const selement = new SensorElement('test_entity', 'solar_consumption');
     selement.value = 1;
     selement.unitOfMeasurement = 'KW';
-    selement.setSpeed();
+    selement.setSpeed(0.04);
     expect(selement.speed).to.equal(0.00004);
   });
 
+  it('should setSpeed with kW with factor 0.05', () => {
+    const selement = new SensorElement('test_entity', 'solar_consumption');
+    selement.value = 1;
+    selement.unitOfMeasurement = 'KW';
+    selement.setSpeed(0.05);
+    expect(selement.speed).to.equal(0.00005);
+  });
+
   it('should setValueAndUnitOfMeasurement from kW rounded to 1 decimals', () => {
     const selement = new SensorElement('test_entity', 'solar_consumption');
     selement.setValueAndUnitOfMeasurement('1.1111', 'kW');