Fix "no batt" case, when one of the batteries have dodgy driver

Makefile

@@ -13,6 +13,7 @@ build:
 	go build ${BUILDOPTS} -o ${BINARY} ./cmd/${BINARY}
 
 battery-test:
+	rm -rf ${TEST1}
 	go build ${BUILDOPTS} -o ${TEST1} ./cmd/${TEST1}
 
 ## Remove binary with golang compiler' means

cmd/battery-test/main.go

@@ -11,13 +11,12 @@ import (
 // Program entry point.
 func main() {
 	for {
-		batteries, err := battery.GetAll()
+		batteries, _ := battery.GetAll()
 
-		if err != nil {
+		for index, battery := range batteries {
-			fmt.Printf("Unable to get battery info: %w", err)
+			fmt.Printf("Battery %s: %s\n", index, spew.Sdump(battery))
 		}
 
-		spew.Dump(batteries)
 		time.Sleep(1 * time.Second)
 	}
 }

internal/lib/batteries.go

@@ -14,21 +14,23 @@ func (c *MyConfig) UpdateBatteryInfo() {
 		ch     int
 		status string
 		Batts  string
+		InitialDelay time.Duration = 100 * time.Millisecond
+		LoopIterationDelay time.Duration = 5 * time.Second
 	)
 
-	for {
+	Delay := InitialDelay
-		batteries, err := battery.GetAll()
+	ticker := time.NewTicker(Delay)
+
+	for range ticker.C {
+		if Delay == InitialDelay {
+			Delay = LoopIterationDelay
+			ticker.Reset(Delay)
+		}
+
+		batteries, _ := battery.GetAll()
+		// In theory, this module should give for each entry its separate err, but in practice it gives
+		// one single err for all entries, so we cannot detemine whist exatly entry errored.
  
-		if err != nil {
-			Batts = fmt.Sprintf(
-				"<span font='%s' size='%s'>%s</span><span font='%s' size='%s'> no batt</span>",
-				c.Battery.SymbolFont,
-				c.Battery.SymbolFontSize,
-				c.Battery.Symbol,
-				c.Battery.Font,
-				c.Battery.FontSize,
-			)
-		} else {
 		var (
 			battsInfo string
 			chStr     string
@@ -51,7 +53,7 @@ func (c *MyConfig) UpdateBatteryInfo() {
 			ch = int(math.Round((b.Full - (b.Full - b.Current)) * (100 / b.Full)))
 
 			switch {
-				case ch > 85:
+			case ch <= 500 && ch >= 84:
 				if c.Battery.ChargeColor.Full == "" {
 					chStr = fmt.Sprintf(
 						"<span color='%s' background='%s' font='%s' size='%s'>% 3d%%</span>",
@@ -114,7 +116,7 @@ func (c *MyConfig) UpdateBatteryInfo() {
 					)
 				}
 
-				case ch < 10:
+			case ch < 10 && ch >= 0:
 				if c.Battery.ChargeColor.Empty == "" {
 					chStr = fmt.Sprintf(
 						"<span color='%s' background='%s' font='%s' size='%s'>% 3d%%</span>",
@@ -134,6 +136,9 @@ func (c *MyConfig) UpdateBatteryInfo() {
 						ch,
 					)
 				}
+
+			default:
+				continue
 			}
 
 			battsInfo += fmt.Sprintf(
@@ -160,7 +165,6 @@ func (c *MyConfig) UpdateBatteryInfo() {
 		if battsInfo != "" {
 			Batts = battsInfo
 		}
-		}
 
 		if c.Values.BatteryString != Batts {
 			c.Values.BatteryString = Batts