added examples folder

examples/Makefile

@@ -0,0 +1,119 @@
+# Makefile for Nucleo-H563ZI test project
+
+SHELL := /usr/bin/env bash
+
+# directories
+BUILD_DIR  := ./build
+OBJ_DIR    := $(BUILD_DIR)/.obj
+SRC_DIR    := ./source
+INC_DIR    := ./include
+COMMON_DIR := ../common
+SYS_DIR    := $(COMMON_DIR)/system-files
+STUBS_DIR  := $(COMMON_DIR)/libc-stubs
+CMD_DIR    := $(COMMON_DIR)/jlink-commands
+
+# output
+TARGET := debounce
+
+# hardware
+DEVICE := STM32H573II
+
+# include c sources list
+AS_SOURCES := 
+C_SOURCES  := 
+include ./src.mk
+
+# compiler commands
+PREFIX := arm-none-eabi-
+CC     := $(PREFIX)gcc
+CP     := $(PREFIX)objcopy
+SZ     := $(PREFIX)size
+HEX    := $(CP) -O ihex
+BIN    := $(CP) -O binary -S
+
+# compiler flags
+TARGET_FLAGS := -mcpu=cortex-m33 \
+			    -mfpu=fpv4-sp-d16 \
+			    -mfloat-abi=hard \
+			    -specs=nano.specs \
+			    -mthumb \
+			    -mlittle-endian
+COMP_FLAGS   := -Wall -Wextra -fdata-sections -ffunction-sections
+
+OPT   := -Og
+DEBUG := 1
+ifeq ($(DEBUG), 1)
+	DBG_FLAGS := -g
+else
+	DBG_FLAGS := 
+endif
+
+AS_DEFS  := -DSTM32H563xx
+AS_INC   := 
+AS_FLAGS := -x assembler-with-cpp $(TARGET_FLAGS) $(AS_DEFS) $(AS_INC) $(OPT) $(DBG_FLAGS) $(COMP_FLAGS)
+
+C_DEFS   := -DSTM32H563xx
+C_INC    := -I$(INC_DIR) \
+			-I$(COMMON_DIR)/CMSIS/Device/ST/STM32H5xx/Include \
+			-I$(COMMON_DIR)/CMSIS/Include \
+			-I$(COMMON_DIR)/HAL
+C_FLAGS  := $(TARGET_FLAGS) $(C_DEFS) $(C_INC) $(OPT) $(DBG_FLAGS) $(COMP_FLAGS)
+
+LIBS      := -lc -lm -lnosys
+LD_SCRIPT := $(SYS_DIR)/STM32H563xx_FLASH.ld
+LD_FLAGS  := $(TARGET_FLAGS) -T$(LD_SCRIPT) $(LIB_DIR) $(LIBS) -Wl,--gc-sections
+
+# object files
+OBJECTS := $(addprefix $(OBJ_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
+vpath %.c $(sort $(dir $(C_SOURCES)))
+OBJECTS += $(addprefix $(OBJ_DIR)/,$(notdir $(AS_SOURCES:.s=.o)))
+vpath %.s $(sort $(dir $(AS_SOURCES)))
+
+# rules
+.PHONY: all clean rebuild test
+
+all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+
+# build objects from c files
+$(OBJ_DIR)/%.o: %.c $(SOURCE_LIST) | $(OBJ_DIR)
+	$(CC) -c $(C_FLAGS) $< -o $@
+
+# build objects from assembly files
+$(OBJ_DIR)/%.o: %.s $(SOURCE_LIST) | $(OBJ_DIR)
+	$(CC) -c $(AS_FLAGS) $< -o $@
+
+# build binary file
+$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) $(SOURCE_LIST) | $(OBJ_DIR)
+	$(CC) $(OBJECTS) $(LD_FLAGS) -o $@
+	$(SZ) $@
+
+# generate .hex file
+$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(OBJ_DIR)
+	$(HEX) $< $@
+
+# generate .bin file
+$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(OBJ_DIR)
+	$(BIN) $< $@
+
+# ensure that the build dir exists
+$(OBJ_DIR):
+	@mkdir -p $@
+
+clean: | $(OBJ_DIR)
+	@rm -rf $(BUILD_DIR)/*.{elf,hex,bin}
+	@rm -rf $(OBJ_DIR)/*
+	@echo "output files deleted"
+
+flash: all $(BUILD_DIR)/flash.jlink
+	JLinkExe -Device $(DEVICE) -NoGui 1 -ExitOnError 1 -CommandFile $(BUILD_DIR)/flash.jlink
+
+# add path to binary to the jlink command file
+$(BUILD_DIR)/flash.jlink: $(CMD_DIR)/flash.jlink
+	$(shell  cat $(CMD_DIR)/flash.jlink | sed "s|<path-to-binary>|$(BUILD_DIR)/$(TARGET).hex|g" > $(BUILD_DIR)/flash.jlink)
+
+rebuild: clean all
+
+test:
+	@echo "assembly source files: $(AS_SOURCES)"
+	@echo "c source files: $(C_SOURCES)"
+	@echo "object files: $(OBJECTS)"