- fix RPI crash when changing state of output pin

(reason: DetectAnyEdge() was also configured for output pins)
- version string has now also build date
- updated golang dependencies

internal/PinControlService/HardwarePinEmu.go

@@ -3,26 +3,35 @@
 package PinControlService
 
 type PinEmu struct {
+	state  State
+	number int
 }
 
-func (*PinEmu) Toggle()            {}
-func (*PinEmu) High()              {}
-func (*PinEmu) Low()               {}
+func (p *PinEmu) Toggle() {
+	if p.state == LowState {
+		p.state = HighState
+	} else {
+		p.state = LowState
+	}
+
+}
+func (p *PinEmu) High()            { p.state = HighState }
+func (p *PinEmu) Low()             { p.state = LowState }
 func (*PinEmu) Input()             {}
 func (*PinEmu) Output()            {}
 func (*PinEmu) Detect(Edge)        {}
 func (*PinEmu) PullUp()            {}
 func (*PinEmu) PullDown()          {}
 func (*PinEmu) PullOff()           {}
-func (*PinEmu) Read() State        { return LowState }
+func (p *PinEmu) Read() State      { return p.state }
 func (*PinEmu) EdgeDetected() bool { return false }
 
 type HardwarePin struct {
 	Pin PinEmu
 }
 
-func NewHardwarePin(n int) HardwarePinInterface {
-	return &PinEmu{}
+func NewHardwarePin(num int) HardwarePinInterface {
+	return &PinEmu{state: LowState, number: num}
 }
 
 func HardwarePinOpen() error {

internal/PinControlService/HardwarePinRpi.go

@@ -2,7 +2,7 @@
 
 package PinControlService
 
-import "github.com/stianeikeland/go-rpio"
+import "github.com/stianeikeland/go-rpio/v4"
 
 type PinRpi struct {
 	pin rpio.Pin

internal/PinControlService/Pin.go

@@ -70,22 +70,8 @@ func (p *Pin) Command(cmd PinCommand) error {
 }
 
 func (p *Pin) Configure() {
-	if p.Direction == Input {
-		log.Infof("configuring pin %s (pin no: %d) as Input", p.Name, p.Id)
-		p.PinHandle.Input()
-	} else if p.Direction == Output {
-		log.Infof("configuring pin %s (pin no: %d) as Output", p.Name, p.Id)
-		p.PinHandle.Output()
-		if p.InitialState != nil {
-			log.Infof("set initial state \"%s\" for pin %s (pin no: %d)", *p.InitialState, p.Name, p.Id)
-			_ = p.Command(*p.InitialState)
-		}
-
-	}
-
-	p.PinHandle.Detect(AnyEdge)
-
 	if p.PullConfig != nil {
+		log.Infof("configuring Pull Resistor for pin %s (pin no: %d) as %s", p.Name, p.Id, *p.PullConfig)
 		if *p.PullConfig == PullUp {
 			p.PinHandle.PullUp()
 		} else if *p.PullConfig == PullDown {
@@ -97,6 +83,18 @@ func (p *Pin) Configure() {
 		}
 	}
 
+	if p.Direction == Input {
+		log.Infof("configuring pin %s (pin no: %d) as Input", p.Name, p.Id)
+		p.PinHandle.Input()
+		p.PinHandle.Detect(AnyEdge)
+	} else if p.Direction == Output {
+		log.Infof("configuring pin %s (pin no: %d) as Output", p.Name, p.Id)
+		p.PinHandle.Output()
+		if p.InitialState != nil {
+			log.Infof("set initial state \"%s\" for pin %s (pin no: %d)", *p.InitialState, p.Name, p.Id)
+			_ = p.Command(*p.InitialState)
+		}
+	}
 }
 
 func (p *Pin) Changed() bool {

internal/PinControlService/PinControlService.go

@@ -32,7 +32,7 @@ func (p *PinControlService) Command(pinName string, command PinCommand) error {
 func (p *PinControlService) Start() {
 	if err := HardwarePinOpen(); err != nil {
 		log.Fatal(err)
-		panic(err)
+		log.Exit(1)
 	}
 
 	for _, v := range p.Pins {