diff --git a/driver/Makefile b/driver/Makefile
index 6353eb8..c3b752a 100644
--- a/driver/Makefile
+++ b/driver/Makefile
@@ -3,25 +3,33 @@
 # Author: Tristan Krause
 # Creation Date: 2019-03-22
 
-# Umgebungseinstellungen
+# Environment
 COMPILER_PATH = g++
 
-
-OUTPUT  = main
-CFLAGS  = -std=c++14 -O3 -Wall -Wextra
-LDFLAGS = 
-OBJECTS = main.o drv/usart.o drv/b15f.o drv/plottyfile.o drv/dot.o
+# Options
+OUT_MAIN = main
+OBJ_MAIN = main.o
+OUT_CLI  = cli
+OBJ_CLI  = cli.o
+CFLAGS   = -std=c++14 -O3 -Wall -Wextra
+LDFLAGS  = 
+OBJECTS  = drv/usart.o drv/b15f.o drv/plottyfile.o drv/dot.o
 
 COMPILE = $(COMPILER_PATH) $(CFLAGS)
 
-B15F: $(OBJECTS)
+main: $(OBJECTS) $(OBJ_MAIN)
 	@echo "Linking..."
-	$(COMPILE) $(OBJECTS) -o $(OUTPUT) $(LDFLAGS)
+	$(COMPILE) $(OBJ_MAIN) $(OBJECTS) -o $(OUT_MAIN) $(LDFLAGS)
+
+cli: $(OBJECTS) $(OBJ_CLI)
+	@echo "Linking..."
+	$(COMPILE) $(OBJ_CLI) $(OBJECTS) -o $(OUT_CLI) $(LDFLAGS)
 
 help:
 	@echo "This Makefile has the following rules:"
-	@echo "make B15F .... to compile (default)"
-	@echo "make clean ... to delete objects, elf and hex file"
+	@echo "make main .... to compile main.cpp"
+	@echo "make cli  .... to compile Command Line Interface"
+	@echo "make clean ... to delete objects and executables"
 	
 clean:
 	@echo "Cleaning..."
diff --git a/driver/cli b/driver/cli
new file mode 100755
index 0000000..8ae139b
Binary files /dev/null and b/driver/cli differ
diff --git a/driver/cli.cpp b/driver/cli.cpp
new file mode 100644
index 0000000..7254a58
--- /dev/null
+++ b/driver/cli.cpp
@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <ncurses.h> // sudo apt-get install libncurses5-dev
+
+#define WIDTH 30
+#define HEIGHT 10 
+
+int startx = 0;
+int starty = 0;
+
+char *choices[] = { 
+			"Choice 1",
+			"Choice 2",
+			"Choice 3",
+			"Choice 4",
+			"Exit",
+		  };
+int n_choices = sizeof(choices) / sizeof(char *);
+void print_menu(WINDOW *menu_win, int highlight);
+
+int main()
+{	WINDOW *menu_win;
+	int highlight = 1;
+	int choice = 0;
+	int c;
+
+	initscr();
+	clear();
+	noecho();
+	cbreak();	/* Line buffering disabled. pass on everything */
+	startx = (80 - WIDTH) / 2;
+	starty = (24 - HEIGHT) / 2;
+		
+	menu_win = newwin(HEIGHT, WIDTH, starty, startx);
+	keypad(menu_win, TRUE);
+	mvprintw(0, 0, "Use arrow keys to go up and down, Press enter to select a choice");
+	refresh();
+	print_menu(menu_win, highlight);
+	while(1)
+	{	c = wgetch(menu_win);
+		switch(c)
+		{	case KEY_UP:
+				if(highlight == 1)
+					highlight = n_choices;
+				else
+					--highlight;
+				break;
+			case KEY_DOWN:
+				if(highlight == n_choices)
+					highlight = 1;
+				else 
+					++highlight;
+				break;
+			case 10:
+				choice = highlight;
+				break;
+			default:
+				mvprintw(24, 0, "Charcter pressed is = %3d Hopefully it can be printed as '%c'", c, c);
+				refresh();
+				break;
+		}
+		print_menu(menu_win, highlight);
+		if(choice != 0)	/* User did a choice come out of the infinite loop */
+			break;
+	}	
+	mvprintw(23, 0, "You chose choice %d with choice string %s\n", choice, choices[choice - 1]);
+	clrtoeol();
+	refresh();
+	endwin();
+	return 0;
+}
+
+
+void print_menu(WINDOW *menu_win, int highlight)
+{
+	int x, y, i;	
+
+	x = 2;
+	y = 2;
+	box(menu_win, 0, 0);
+	for(i = 0; i < n_choices; ++i)
+	{	if(highlight == i + 1) /* High light the present choice */
+		{	wattron(menu_win, A_REVERSE); 
+			mvwprintw(menu_win, y, x, "%s", choices[i]);
+			wattroff(menu_win, A_REVERSE);
+		}
+		else
+			mvwprintw(menu_win, y, x, "%s", choices[i]);
+		++y;
+	}
+	wrefresh(menu_win);
+}
diff --git a/driver/gnuplotscript.gp b/driver/gnuplotscript.gp
index a53b822..06749ca 100644
--- a/driver/gnuplotscript.gp
+++ b/driver/gnuplotscript.gp
@@ -11,9 +11,9 @@ set label at 4,7 'U_{GS} [V] = 480' left
 set label at 3,13 'U_{GS} [V] = 500' left
 set label at 2,22 'U_{GS} [V] = 520' left
 set label at 1,33 'U_{GS} [V] = 540' left
-set label at 0,38 'U_{GS} [V] = 560' left
-set label at 0,38 'U_{GS} [V] = 580' left
-set label at 0,38 'U_{GS} [V] = 600' left
+set label at 0,39 'U_{GS} [V] = 560' left
+set label at 0,39 'U_{GS} [V] = 580' left
+set label at 0,39 'U_{GS} [V] = 600' left
 unset output 
 set terminal qt
 unset output
diff --git a/driver/main.cpp b/driver/main.cpp
index 4519a31..eb0c66c 100644
--- a/driver/main.cpp
+++ b/driver/main.cpp
@@ -1,6 +1,5 @@
 #include <iostream>
 #include <cmath>
-#include "drv/usart.h"
 #include "drv/b15f.h"
 #include "drv/plottyfile.h"
 
diff --git a/driver/test_plot b/driver/test_plot
index cdc226e..e71ea12 100644
Binary files a/driver/test_plot and b/driver/test_plot differ
diff --git a/firmware/B15F.elf b/firmware/B15F.elf
index 16170e8..d557f06 100755
Binary files a/firmware/B15F.elf and b/firmware/B15F.elf differ
diff --git a/firmware/requests.cpp b/firmware/requests.cpp
index 8d068ff..a44eb73 100644
--- a/firmware/requests.cpp
+++ b/firmware/requests.cpp
@@ -197,7 +197,6 @@ void rqAdcDacStroke()
 	int16_t count = static_cast<int16_t>(usart.readInt());
 	
 	count *= delta;
-	dio1.writePortA(0xFF);
 	
 	for(int16_t i = start; i < count; i += delta)
 	{
diff --git a/firmware/usart.cpp b/firmware/usart.cpp
index 658a01b..d039fcf 100644
--- a/firmware/usart.cpp
+++ b/firmware/usart.cpp
@@ -61,7 +61,6 @@ void USART::handleRX(void) volatile
 
 void USART::handleTX(void) volatile
 {
-	dio0.writePortA(send_pos);
 	if(send_pos < send_len)
 	{
 		while (!(UCSR0A & (1<<UDRE0)));