Serial driver and basic KISS interface implemented

makefile

@@ -1,10 +1,11 @@
 .DEFAULT_GOAL := all
-.PHONY: all clean install
+.PHONY: all clean install tncattach
 
 compiler = gcc
 flags = -lm
 
 all: tncattach
+rebuild: clean all
 
 clean:
 	@echo "Cleaning tncattach build..."
@@ -13,7 +14,7 @@ clean:
 tncattach:
 	@echo "Making tncattach..."
 	@echo "Compiling with: ${compiler}"
-	${compiler} ${flags} tncattach.c -o tncattach
+	${compiler} ${flags} tncattach.c Serial.c KISS.c TAP.c -o tncattach -Wall
 
 install: all
 	@echo "Installing tncattach..."