From e4506d41e63d9c4025a8a3fa6726d75501aca37d Mon Sep 17 00:00:00 2001
From: Dorian Karl Strohmayr <dorian.strohmayr@el.htl-hl.ac.at>
Date: Tue, 10 Feb 2026 21:50:49 +0000
Subject: [PATCH] USART2 Ausgabe gefixt

---
 main.c | 146 +++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 116 insertions(+), 30 deletions(-)

diff --git a/main.c b/main.c
index 4b3769d..a48da56 100644
--- a/main.c
+++ b/main.c
@@ -86,7 +86,7 @@ void PortConfig(void)
 
 void uart2_init(void)
 {	
-	RCC->APB2ENR |= RCC_APB2ENR_AFIOEN | RCC_APB2ENR_IOPAEN;								 // 0x4
+	RCC->APB2ENR |= RCC_APB2ENR_AFIOEN | RCC_APB2ENR_IOPAEN;
   RCC->APB1ENR |= 0x20000;   																 // UART2 Taktversorgung
 																														 
 	GPIOA->CRL &= 0xFFFFF0FF;																	 
@@ -146,17 +146,32 @@ void configNexObjects(void)
 
 void fehler(bool state)
 {
+		static bool lastStateF = true;
+    static bool firstCallF = true;
+
+    if (firstCallF)
+    {
+        firstCallF = false;
+			NexProgressBar_setValue(&fehlerInd, 0);
+				return;
+    }
+    else if (state == lastStateF)
+    {
+        return;
+    }
+
+    lastStateF = state;
 	if(state)
 	{
 		NexProgressBar_setValue(&fehlerInd, 100);
 		FEHLER = 1;
-		//uart2_putString("Fehler aufgetreten!\r\n");
+		uart2_putString("Fehler aufgetreten!\r\n");
 	}
 	else
 	{
 		NexProgressBar_setValue(&fehlerInd, 0);
 		FEHLER = 0;	
-		//uart2_putString("Fehler behoben!\r\n");
+		uart2_putString("Fehler behoben!\r\n");
 	}
 	
 	return;
@@ -164,17 +179,33 @@ void fehler(bool state)
 
 void leerBlasen(bool state)
 {
+		static bool lastStateB;
+    static bool firstCallB = true;
+
+    if (firstCallB)
+    {
+        firstCallB = false;
+				NexProgressBar_setValue(&leerInd, 0);
+				return;
+    }
+    else if (state == lastStateB)
+    {
+        return;
+    }
+
+    lastStateB = state;
+		
 	if(state)
 	{
 		NexProgressBar_setValue(&leerInd, 100);
 		LEERBLASEN = 1;	
-		//uart2_putString("Leerblasventil geoeffnet!\r\n");
+		uart2_putString("Leerblasventil geoeffnet!\r\n");
 	}
 	else
 	{
 		NexProgressBar_setValue(&leerInd, 0);
 		LEERBLASEN = 0;	
-		//uart2_putString("Leerblasventil geschlossen!\r\n");
+		uart2_putString("Leerblasventil geschlossen!\r\n");
 	}
 	
 	return;
@@ -182,17 +213,33 @@ void leerBlasen(bool state)
 
 void fein(bool state)
 {
+		static bool lastStateFein;
+    static bool firstCallFein = true;
+
+    if (firstCallFein)
+    {
+        firstCallFein = false;
+				NexProgressBar_setValue(&feinInd, 0);
+				return;
+    }
+    else if (state == lastStateFein)
+    {
+        return;
+    }
+ 
+    lastStateFein = state;
+		
 	if(state)
 	{
 		NexProgressBar_setValue(&feinInd, 100);
 		FEIN = 1;	
-		//uart2_putString("Feinventil geoeffnet!\r\n");
+		uart2_putString("Feinventil geoeffnet!\r\n");
 	}
 	else
 	{
 		NexProgressBar_setValue(&feinInd, 0);
 		FEIN = 0;	
-		//uart2_putString("Feinventil geschlossen!\r\n");
+		uart2_putString("Feinventil geschlossen!\r\n");
 	}
 	
 	return;
@@ -200,17 +247,33 @@ void fein(bool state)
 
 void grob(bool state)
 {
+		static bool lastStateGrob;
+    static bool firstCallGrob = true;
+
+    if (firstCallGrob)
+    {
+        firstCallGrob = false;
+				NexProgressBar_setValue(&grobInd, 0);
+				return;
+    }
+    else if (state == lastStateGrob)
+    {
+        return;
+    }
+
+    lastStateGrob = state;
+		
 	if(state)
 	{
 		NexProgressBar_setValue(&grobInd, 100);
 		GROB = 1;	
-		//uart2_putString("Grobventil geoeffnet!\r\n");
+		uart2_putString("Grobventil geoeffnet!\r\n");
 	}
 	else
 	{
 		NexProgressBar_setValue(&grobInd, 0);
 		GROB = 0;	
-		//uart2_putString("Grobventil geoeffnet!\r\n");
+		uart2_putString("Grobventil geschlossen!\r\n");
 	}
 	
 	return;
@@ -218,17 +281,33 @@ void grob(bool state)
 
 void pumpe(bool state)
 {
+    static bool lastState;
+    static bool firstCall = true;
+
+    if (firstCall)
+    {
+        firstCall = false;
+				NexProgressBar_setValue(&pumpeInd, 0);
+				return;
+    }
+    else if (state == lastState)
+    {
+        return;
+    }
+
+    lastState = state;
+		
 	if(state)
 	{
 		NexProgressBar_setValue(&pumpeInd, 100);
 		PUMPE = 1;	
-		//uart2_putString("Pumpe eingeschaltet!\r\n");
+		uart2_putString("Pumpe eingeschaltet!\r\n");
 	}
 	else
 	{
 		NexProgressBar_setValue(&pumpeInd, 0);
 		PUMPE = 0;	
-		//uart2_putString("Pumpe ausgeschaltet!\r\n");
+		uart2_putString("Pumpe ausgeschaltet!\r\n");
 	}
 	
 	return;
@@ -236,18 +315,33 @@ void pumpe(bool state)
 
 void fuellstand(int8_t value)
 {
-	if(value >= 0 && value <= 100)
-	{
-		NexProgressBar_setValue(&fuellstandInd, value);
-		//uart2_putString("Fuellstand geaendert!\r\n");
-	}
-	else
-  {
-		NexProgressBar_setValue(&fuellstandInd, 0);
-		//uart2_putString("Uengueltiger Fuellstandswert!\r\n");
-	}
-}
+		static bool firstCall = true;
+    static int8_t lastValue = -1;   // ungültiger Startwert
+		if(firstCall)
+		{
+			firstCall = false;
+			NexProgressBar_setValue(&fuellstandInd, 0);
+			return;
+		}
 
+    if (value == lastValue)
+    {
+        return; // nichts geändert ? nichts tun
+    }
+
+    lastValue = value;
+
+    if (value >= 0 && value <= 100)
+    {
+        NexProgressBar_setValue(&fuellstandInd, value);
+        uart2_putString("Fuellstand geaendert!\r\n");
+    }
+    else
+    {
+        NexProgressBar_setValue(&fuellstandInd, 0);
+        uart2_putString("Ungueltiger Fuellstandswert!\r\n");
+    }
+}
 uint8_t toPercent(uint8_t value, uint8_t max)
 {
     if (value > max) value = max;
@@ -355,19 +449,11 @@ int main(void)
 				if(leitungBenutzt)
 				{
 					int time = 3000 / NACHLAUF;
-					int rest = 3000 % NACHLAUF;
 					
 					uint8_t i = 0;
 					for(i = 0; i < NACHLAUF; i++)
 					{
 						wait_sys_ms(time);
-						
-						if(rest > 0)
-						{
-							wait_sys_ms(1);
-							rest -= 1;
-						}
-						
 						nachlaufOffset += 1;
 						setFuellstand(istWert + nachlaufOffset); 
 					}