Build: Move target flash into src Makefile

Makefile

@@ -1,16 +1,7 @@
-include Makefile.conf
-
 .PHONY: all compile clean
 
-all: run
-
-run: compile
-	$(OPENOCD) -s $(OPENOCD_SCRIPTS) -f board/$(OPENOCD_BOARD) \
-	-c "tcl_port disabled" \
-	-c "gdb_port disabled" \
-	-c "program ./src/raw407cxx.elf" \
-	-c reset \
-	-c shutdown
+all: compile
+	$(MAKE) -C src flash
 
 compile:
 	$(MAKE) -C libs/cmsis

src/Makefile

@@ -32,7 +32,15 @@ CXX_OBJ=$(subst .cc,.o,$(CXX_SRC))
 OBJ=$(C_OBJ) $(CXX_OBJ)
 
 
-.PHONY: all clean
+.PHONY: flash all clean
+
+flash: all
+	$(OPENOCD) -s $(OPENOCD_SCRIPTS) -f board/$(OPENOCD_BOARD) \
+	-c "tcl_port disabled" \
+	-c "gdb_port disabled" \
+	-c "program $(TARGET_ELF)" \
+	-c reset \
+	-c shutdown
 
 all: $(TARGET_BIN) $(TARGET_HEX)