Max Regan
fab3332c65
1. Add basic code for Sharp Display 2. Add embedded font (generated by fontem) 3. Add the worst code possible to print strings to the display 4. Rejoice in the beautiful (small) text.
134 lines
3.2 KiB
Makefile
134 lines
3.2 KiB
Makefile
# Copyright 2019, Max Regan
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Tools
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#
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TOOL_PREFIX ?= arm-none-eabi-
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CC = $(TOOL_PREFIX)gcc
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CPP = $(TOOL_PREFIX)cpp
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AS = $(TOOL_PREFIX)as
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LD = $(TOOL_PREFIX)gcc
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OBJCOPY = $(TOOL_PREFIX)objcopy
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STM32FLASH ?= stm32flash
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#
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# Device Variables
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#
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DEVICE_TYPE ?= stm32l031k6
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DEVICE_FAMILY = stm32l031xx
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DEVICE_LINE = stm32l0xx
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#
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# Filenames and paths
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#
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C_SOURCES := $(shell find $(SOURCEDIR) -name '*.c')
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S_SOURCES := $(shell find $(SOURCEDIR) -name '*.s')
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SPP_SOURCES := $(DEVICE_TYPE).S
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SOURCES = $(C_SOURCES) $(S_SOURCES) $(SPP_SOURCES)
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C_OBJS := $(patsubst %.c,%.o,$(C_SOURCES))
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S_OBJS := $(patsubst %.s,%.o,$(S_SOURCES))
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SPP_OBJS := $(patsubst %.S,%.o,$(SPP_SOURCES))
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OBJS = $(C_OBJS) $(S_OBJS) $(SPP_OBJS)
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LINKER_SCRIPT ?= $(DEVICE_TYPE).ld
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OUTPUT_NAME ?= test
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OUTPUT_BIN ?= $(OUTPUT_NAME).bin
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OUTPUT_ELF ?= $(OUTPUT_NAME).elf
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#
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# Flags
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#
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DEVICE_DEFINE = $(subst XX,xx,$(shell echo $(DEVICE_FAMILY) | tr '[:lower:]' '[:upper:]'))
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# C pedantism
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CFLAGS = -Wall -Wextra -Wpedantic
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# Debug/optimization
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CFLAGS += -Og -g3
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# Architecture
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CFLAGS += -mthumb -mcpu=cortex-m0plus
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CFLAGS += -ffreestanding
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# Defines
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CFLAGS += -D$(DEVICE_DEFINE)
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# Includes
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CFLAGS += -I./lib/stm32/$(DEVICE_LINE)/Include
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CFLAGS += -I./lib/CMSIS/Core/Include
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CFLAGS += -I./lib/fonts/
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# Startup Definitions
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ASFLAGS += -D__STARTUP_CLEAR_BSS
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ASFLAGS += -D__HEAP_SIZE=0 # No heap- let the linker decide it all
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LDFLAGS += -nostdinc -lc -lnosys -Wl,--gc-sections -Wl,--print-memory-usage
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#
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# Default Target
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#
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.PHONY: build
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build: $(OUTPUT_BIN)
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#
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# Build Logic
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#
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%.o: %.c
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@echo "CC $@"
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@$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.S
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@echo "AS $@"
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@$(CC) $(ASFLAGS) -c $< -o $@
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$(OUTPUT_BIN): $(OUTPUT_ELF)
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@echo "OBJCOPY $@"
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@$(OBJCOPY) -O binary $(OUTPUT_ELF) $(OUTPUT_BIN)
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$(OUTPUT_ELF): $(LINKER_SCRIPT) $(OBJS)
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@echo "LD $@"
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$(LD) $(LDFLAGS) -T $(LINKER_SCRIPT) -o $(OUTPUT_ELF) $(OBJS)
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#
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# Utilities
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#
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STM32FLASH_DEVICE = /dev/ttyUSB0
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.PHONY: flash
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flash: $(OUTPUT_BIN)
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@echo "FLASH $(OUTPUT_BIN)"
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@st-flash write $(OUTPUT_BIN) 0x8000000 2> /dev/null
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# stm32flash -w $(OUTPUT_BIN) $(STM32FLASH_DEVICE)
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.PHONY: clean
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clean:
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@echo "RM $(OBJS)"
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@rm -f $(OBJS) $(OUTPUT_BIN) $(OUTPUT_ELF)
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