diff --git a/driver/cli b/driver/cli
index 699162a..dbf9ed2 100755
Binary files a/driver/cli and b/driver/cli differ
diff --git a/driver/cli.cpp b/driver/cli.cpp
index 506e143..d586e52 100644
--- a/driver/cli.cpp
+++ b/driver/cli.cpp
@@ -1,7 +1,6 @@
 /** TODO
  * 
  * - throw exception -> raise SIGINT
- * - delete view stack
  */
 
 
@@ -81,7 +80,7 @@ void init()
 	// init b15 driver
 	B15F::getInstance();
 	std::cout << std::endl << "Starte in 3s ..." << std::endl;
-	//sleep(3);
+	sleep(3);
 	
 	// init all ncurses stuff
 	initscr();
@@ -262,7 +261,7 @@ void show_digital_output0(int)
 {
 	ViewPromt* view = new ViewPromt();
 	view->setTitle("Digitale Ausgabe BE0");
-	view->setMessage("\nEingabe Port-Wert (hex): 0x");
+	view->setMessage("\nAusgabe Port-Wert (hex): 0x");
 	view->setCancel("[ Zurueck ]", true);
 	view->setConfirm("[ OK ]", &write_digital_output0);
 	view->repaint();
@@ -275,7 +274,7 @@ void show_digital_output1(int)
 {
 	ViewPromt* view = new ViewPromt();
 	view->setTitle("Digitale Ausgabe BE1");
-	view->setMessage("\nEingabe Port-Wert (hex): 0x");
+	view->setMessage("\nAusgabe Port-Wert (hex): 0x");
 	view->setCancel("[ Zurueck ]", true);
 	view->setConfirm("[ OK ]", &write_digital_output1);
 	view->repaint();
@@ -288,7 +287,7 @@ void show_analog_output0(int)
 {
 	ViewPromt* view = new ViewPromt();
 	view->setTitle("Analoge Ausgabe AA0");
-	view->setMessage("\nEingabe 10-Bit-Wert (0...1023): ");
+	view->setMessage("\nAusgabe 10-Bit-Wert (0...1023): ");
 	view->setCancel("[ Zurueck ]", true);
 	view->setConfirm("[ OK ]", &write_analog_output0);
 	view->repaint();
@@ -301,7 +300,7 @@ void show_analog_output1(int)
 {
 	ViewPromt* view = new ViewPromt();
 	view->setTitle("Analoge Ausgabe AA1");
-	view->setMessage("\nEingabe 10-Bit-Wert (0...1023): ");
+	view->setMessage("\nAusgabe 10-Bit-Wert (0...1023): ");
 	view->setCancel("[ Zurueck ]", true);
 	view->setConfirm("[ OK ]", &write_analog_output1);
 	view->repaint();
diff --git a/driver/drv/b15f.cpp b/driver/drv/b15f.cpp
index 43a4a6d..de8051e 100644
--- a/driver/drv/b15f.cpp
+++ b/driver/drv/b15f.cpp
@@ -56,17 +56,14 @@ void B15F::init()
 void B15F::reconnect()
 {
 	uint8_t tries = RECONNECT_TRIES;		
-	while(tries--)
+	while(tries-- && false)
 	{
 		delay_ms(RECONNECT_TIMEOUT);
 		
 		discard();
 		
 		if(testConnection())
-		{
-			std::cout << "OK" << std::endl << std::flush;
 			return;
-		}
 			
 	}
 	
@@ -76,10 +73,10 @@ void B15F::reconnect()
 void B15F::discard(void)
 {
 	usart.clearOutputBuffer();
-	for(uint8_t i = 0; i < 8; i++)
+	for(uint8_t i = 0; i < 16; i++)
 	{
 		usart.writeByte(RQ_DISC);	// sende discard Befehl (verwerfe input)
-		delay_ms((16000 / BAUDRATE) + 1); // warte mindestens eine Millisekunde, gegebenenfalls mehr
+		delay_ms(4);
 	}
 	usart.clearInputBuffer();
 }
@@ -140,7 +137,6 @@ std::vector<std::string> B15F::getBoardInfo(void)
 
 bool B15F::activateSelfTestMode()
 {
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_ST);
 	
 	uint8_t aw = usart.readByte();	
@@ -149,86 +145,82 @@ bool B15F::activateSelfTestMode()
 
 bool B15F::digitalWrite0(uint8_t port)
 {
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_BA0);
 	usart.writeByte(port);
 	
 	uint8_t aw = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return aw == MSG_OK;
 }
 
 bool B15F::digitalWrite1(uint8_t port)
 {
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_BA1);
 	usart.writeByte(port);
 	
 	uint8_t aw = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return aw == MSG_OK;
 }
 
 uint8_t B15F::digitalRead0()
 {
-	//usart.clearInputBuffer();
+	usart.clearInputBuffer();
 	usart.writeByte(RQ_BE0);
 	uint8_t byte = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return byte;
 }
 
 uint8_t B15F::digitalRead1()
 {
-	//usart.clearInputBuffer();
+	usart.clearInputBuffer();
 	usart.writeByte(RQ_BE1);
 	uint8_t byte = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return byte;
 }
 
 uint8_t B15F::readDipSwitch()
 {
-	//usart.clearInputBuffer();
+	usart.clearInputBuffer();
 	usart.writeByte(RQ_DSW);
 	uint8_t byte = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return byte;
 }
 
 bool B15F::analogWrite0(uint16_t value)
 {
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_AA0);
 	usart.writeInt(value);
 	
 	uint8_t aw = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return aw == MSG_OK;
 }
 
 bool B15F::analogWrite1(uint16_t value)
 {
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_AA1);
 	usart.writeInt(value);
 	
 	uint8_t aw = usart.readByte();
-	delay_us(1);
+	delay_us(10);
 	return aw == MSG_OK;
 }
 
 uint16_t B15F::analogRead(uint8_t channel)
 {
+	usart.clearInputBuffer();
 	if(channel > 7)
 		throw DriverException("Bad ADC channel: " + std::to_string(channel));
-	//usart.clearInputBuffer();
 	usart.writeByte(RQ_ADC);
 	usart.writeByte(channel);
 	uint16_t adc = usart.readInt();
 	if(adc > 1023)
 		throw DriverException("Bad ADC data detected");
-	delay_us(1);
+	delay_us(50);
 	return adc;
 }
 
@@ -258,7 +250,7 @@ void B15F::analogSequence(uint8_t channel_a, uint16_t* buffer_a, uint32_t offset
 	if(aw != MSG_OK)		
 		throw DriverException("Sequenz unterbrochen");
 	
-	delay_us(1);
+	delay_us(10);
 }
 
 void B15F::delay_ms(uint16_t ms)
diff --git a/driver/drv/usart.h b/driver/drv/usart.h
index c4bba52..1659316 100644
--- a/driver/drv/usart.h
+++ b/driver/drv/usart.h
@@ -132,7 +132,7 @@ private:
 	int file_desc = -1; // Linux Dateideskriptor
 	uint32_t baudrate = 9600;
 	int TEST = 0;
-	uint8_t timeout = 5; // in Dezisekunden
+	uint8_t timeout = 10; // in Dezisekunden
 	uint8_t block_buffer[MAX_BLOCK_SIZE + 3];
 	
 	// debug statistics