Added initial support for HID DMM

Makefile

@@ -0,0 +1,24 @@
+src_hid += main_hid.cpp
+src_hid += DMM_HID.cpp
+src_hid += common.cpp
+
+#src_serial += main_serial.cpp
+#src_serial += DMM_Serial.cpp
+#src_serial += common.cpp
+
+libs += -lSDL2
+libs += -lSDL2_ttf
+
+libs_hid += -ludev
+
+all:
+	make hid
+#	make serial
+
+hid:
+	g++ -o dmm_hid ${src_hid} ${libs} ${libs_hid} -DUSE_HID -Wall -Wextra -Wpedantic
+
+#serial:
+#	g++ -o dmm_serial ${src_serial} ${libs} -DUSE_Serial -Wall -Wextra -Wpedantic
+
+.PHONY: all hid serial