arm: add uart echo app

arm/hal/uart/Makefile

@@ -0,0 +1,39 @@
+DRIVER_LIB_VERSION = 1.0
+COMPILER=
+ARCHIVER=
+CP=cp
+COMPILER_FLAGS=
+EXTRA_COMPILER_FLAGS=
+LIB=libxil.a
+
+CC_FLAGS = $(COMPILER_FLAGS)
+ECC_FLAGS = $(EXTRA_COMPILER_FLAGS)
+
+RELEASEDIR=../../../lib/
+INCLUDEDIR=../../../include/
+INCLUDES=-I./. -I$(INCLUDEDIR)
+
+SRCFILES:=$(wildcard *.c)
+
+OBJECTS = $(addprefix $(RELEASEDIR), $(addsuffix .o, $(basename $(wildcard *.c))))
+
+libs: $(OBJECTS)
+
+DEPFILES := $(SRCFILES:%.c=$(RELEASEDIR)%.d)
+
+include $(wildcard $(DEPFILES))
+
+include $(wildcard ../../../../dep.mk)
+
+$(RELEASEDIR)%.o: %.c
+	${COMPILER} $(CC_FLAGS) $(ECC_FLAGS) $(INCLUDES) $(DEPENDENCY_FLAGS) $< -o $@
+
+.PHONY: include
+include: $(addprefix $(INCLUDEDIR),$(wildcard *.h))
+
+$(INCLUDEDIR)%.h: %.h
+	$(CP) $< $@
+
+clean:
+	rm -rf ${OBJECTS}
+	rm -rf $(DEPFILES)