initial, UNTESTED commit of vga-fade-in.

vga-fade-in/Makefile

@@ -0,0 +1,142 @@
+.DEFAULT_GOAL := sketch
+
+# Valid BOARDs: maple, maple_native, ...
+BOARD ?= maple
+MEMORY_TARGET ?= flash
+
+# USB ID for DFU upload
+VENDOR_ID  := 1EAF
+PRODUCT_ID := 0003
+
+# Guess the MCU based on the BOARD (can be overridden )
+ifeq ($(BOARD), maple)
+   MCU := STM32F103RB
+   PRODUCT_ID := 0003
+endif
+ifeq ($(BOARD), maple_native)
+   MCU := STM32F103ZE
+   PRODUCT_ID := 0003
+endif
+
+# Useful paths
+ifeq ($(LIB_MAPLE_HOME),)
+SRCROOT := .
+else
+SRCROOT := $(LIB_MAPLE_HOME)
+endif
+BUILD_PATH = build
+LIBMAPLE_PATH := $(SRCROOT)/libmaple
+SUPPORT_PATH := $(SRCROOT)/support
+
+# Useful variables
+GLOBAL_CFLAGS   := -Os -g -mcpu=cortex-m3 -mthumb -march=armv7-m -nostdlib \
+                   -ffunction-sections -fdata-sections -Wl,--gc-sections   \
+                   -DBOARD_$(BOARD) -DMCU_$(MCU)
+GLOBAL_CXXFLAGS := -fno-rtti -fno-exceptions -Wall -DBOARD_$(BOARD) -DMCU_$(MCU)
+GLOBAL_ASFLAGS  := -mcpu=cortex-m3 -march=armv7-m -mthumb -DBOARD_$(BOARD) \
+                   -DMCU_$(MCU) -x assembler-with-cpp
+
+LDDIR    := $(SUPPORT_PATH)/ld
+LDFLAGS  = -T$(LDDIR)/$(LDSCRIPT) -L$(LDDIR)    \
+            -mcpu=cortex-m3 -mthumb -Xlinker     \
+            --gc-sections --print-gc-sections --march=armv7-m -Wall
+
+# Set up build rules and some useful templates
+include $(SUPPORT_PATH)/make/build-rules.mk
+include $(SUPPORT_PATH)/make/build-templates.mk
+
+# Some target specific things
+ifeq ($(MEMORY_TARGET), ram)
+   LDSCRIPT := $(BOARD)/ram.ld
+   VECT_BASE_ADDR := VECT_TAB_RAM
+endif
+ifeq ($(MEMORY_TARGET), flash)
+   LDSCRIPT := $(BOARD)/flash.ld
+   VECT_BASE_ADDR := VECT_TAB_FLASH
+endif
+ifeq ($(MEMORY_TARGET), jtag)
+   LDSCRIPT := $(BOARD)/jtag.ld
+   VECT_BASE_ADDR := VECT_TAB_BASE
+endif
+
+# Set all submodules here
+LIBMAPLE_MODULES := $(SRCROOT)/libmaple
+LIBMAPLE_MODULES += $(SRCROOT)/wirish
+
+# call each module rules.mk
+$(foreach m,$(LIBMAPLE_MODULES),$(eval $(call LIBMAPLE_MODULE_template,$(m))))
+
+# Main target
+include build-targets.mk
+
+.PHONY: install sketch clean help debug cscope tags ctags ram flash jtag
+
+# Target upload commands
+UPLOAD_ram   := $(SUPPORT_PATH)/scripts/reset.py && \
+                sleep 1                  && \
+                $(DFU) -a0 -d $(VENDOR_ID):$(PRODUCT_ID) -D $(BUILD_PATH)/$(BOARD).bin -R
+UPLOAD_flash := $(SUPPORT_PATH)/scripts/reset.py && \
+                sleep 1                  && \
+                $(DFU) -a1 -d $(VENDOR_ID):$(PRODUCT_ID) -D $(BUILD_PATH)/$(BOARD).bin -R
+UPLOAD_jtag  := $(OPENOCD) -f support/openocd/flash.cfg
+
+# conditionally upload to whatever the last build was
+install: INSTALL_TARGET = $(shell cat $(BUILD_PATH)/build-type 2>/dev/null)
+install: $(BUILD_PATH)/$(BOARD).bin
+	@echo Install target: $(INSTALL_TARGET)
+	$(UPLOAD_$(INSTALL_TARGET))
+
+# Force a rebuild if the maple target changed
+PREV_BUILD_TYPE = $(shell cat $(BUILD_PATH)/build-type 2>/dev/null)
+build-check:
+ifneq ($(PREV_BUILD_TYPE), $(MEMORY_TARGET))
+	$(shell rm -rf $(BUILD_PATH))
+endif
+
+sketch: build-check MSG_INFO $(BUILD_PATH)/$(BOARD).bin
+
+clean:
+	rm -rf build
+
+help:
+	@echo ""
+	@echo "  libmaple Makefile help"
+	@echo "  ----------------------"
+	@echo "  Compile targets (default MEMORY_TARGET=flash):"
+	@echo "      ram:    Compile sketch code to ram"
+	@echo "      flash:  Compile sketch code to flash"
+	@echo "      jtag:   Compile sketch code to jtag"
+	@echo "      sketch: Compile sketch code to target MEMORY_TARGET"
+	@echo "  "
+	@echo "  Programming targets:"
+	@echo "      install:  Upload code to target"
+	@echo "  "
+	@echo "  Other targets:"
+	@echo "      debug:  Start an openocd gdb server, port 3333"
+	@echo "      clean: Remove all build and object files"
+	@echo "      help: Show this message"
+	@echo "  "
+
+debug:
+	$(OPENOCD) -f support/openocd/run.cfg
+
+cscope:
+	rm -rf *.cscope
+	find . -name '*.[hcs]' -o -name '*.cpp' | xargs cscope -b
+
+tags:
+	etags `find . -name "*.c" -o -name "*.cpp" -o -name "*.h"`
+	@echo "Made TAGS file for EMACS code browsing"
+
+ctags:
+	ctags-exuberant -R .
+	@echo "Made tags file for VIM code browsing"
+
+ram:
+	@$(MAKE) MEMORY_TARGET=ram --no-print-directory sketch
+
+flash:
+	@$(MAKE) MEMORY_TARGET=flash --no-print-directory sketch
+
+jtag:
+	@$(MAKE) MEMORY_TARGET=jtag --no-print-directory sketch

vga-fade-in/build-targets.mk

@@ -0,0 +1,35 @@
+# main project target
+$(BUILD_PATH)/main.o: main.cpp
+	$(SILENT_CXX) $(CXX) $(CFLAGS) $(CXXFLAGS) $(LIBMAPLE_INCLUDES) $(WIRISH_INCLUDES) -o $@ -c $< 
+
+$(BUILD_PATH)/$(BOARD).elf: $(BUILDDIRS) $(TGT_BIN) $(BUILD_PATH)/main.o
+	$(SILENT_LD) $(CXX) $(LDFLAGS) -o $@ $(TGT_BIN) $(BUILD_PATH)/main.o
+
+$(BUILD_PATH)/$(BOARD).bin: $(BUILD_PATH)/$(BOARD).elf
+	$(SILENT_OBJCOPY) $(OBJCOPY) -v -Obinary $(BUILD_PATH)/$(BOARD).elf $@ 1>/dev/null
+	$(SILENT_DISAS) $(DISAS) -d $(BUILD_PATH)/$(BOARD).elf > $(BUILD_PATH)/$(BOARD).disas
+	@echo " "
+	@echo "Object file sizes:"
+	@find $(BUILD_PATH) -iname *.o | xargs $(SIZE) -t > $(BUILD_PATH)/$(BOARD).sizes
+	@cat $(BUILD_PATH)/$(BOARD).sizes
+	@echo " "
+	@echo "Final Size:"
+	@$(SIZE) $<
+	@echo $(MEMORY_TARGET) > $(BUILD_PATH)/build-type
+
+$(BUILDDIRS):
+	@mkdir -p $@
+
+MSG_INFO:
+	@echo "================================================================================"
+	@echo ""
+	@echo "  Build info:"
+	@echo "     BOARD:          " $(BOARD)
+	@echo "     MCU:            " $(MCU)
+	@echo "     MEMORY_TARGET:  " $(MEMORY_TARGET)
+	@echo ""
+	@echo "  See 'make help' for all possible targets"
+	@echo ""
+	@echo "================================================================================"
+	@echo
+