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At least: font code generator, exchange code support for color 128x128

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Max Regan
2019-08-04 15:35:44 -07:00
parent e0b49ba109
commit 77f09bca16
47 changed files with 899 additions and 16431 deletions
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54
Makefile
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@@ -40,16 +40,24 @@ DEVICE_TYPE ?= stm32l031k6
DEVICE_FAMILY = stm32l031xx
DEVICE_LINE = stm32l0xx
STACK_SIZE ?= 512
HEAP_SIZE ?= 0
#
# Filenames and paths
#
# Ignores dotfiles and other garbage some tools leave behind
define find_important
$(shell find $(1) -type f -and -name $(2) -and -not -iname "*~" -and -not -iname "*#*" -and -not \( -path "*.cquery_cached_index*" \) )
$(shell find $(1) -type f -and -name $(2) -and -not -iname "*~" -and -not -iname "*#*" -and -not \( -path "*.cquery_cached_index*" \) -and -not \( -path "*build*" \) )
endef
C_SOURCES := $(call find_important, $(SOURCEDIR), '*.c')
FONTS := small large_digits
FONT_GEN_DIR := build/gen/fonts
FONT_C_FILES := $(patsubst %,$(FONT_GEN_DIR)/%.c,$(FONTS))
FONT_H_FILES := $(patsubst %,$(FONT_GEN_DIR)/%.h,$(FONTS))
C_SOURCES := $(call find_important, $(SOURCEDIR), '*.c') $(FONT_C_FILES)
CXX_SOURCES := $(call find_important, $(SOURCEDIR), '*.cpp')
S_SOURCES := $(call find_important, $(SOURCEDIR), '*.s')
SPP_SOURCES := $(DEVICE_TYPE).S
@@ -66,6 +74,7 @@ LINKER_SCRIPT ?= $(DEVICE_TYPE).ld
OUTPUT_NAME ?= watch
OUTPUT_BIN ?= $(OUTPUT_NAME).bin
OUTPUT_ELF ?= $(OUTPUT_NAME).elf
OUTPUT_MAP ?= $(OUTPUT_NAME).map
#
# Flags
@@ -76,32 +85,36 @@ DEVICE_DEFINE = $(subst XX,xx,$(shell echo $(DEVICE_FAMILY) | tr '[:lower:]' '[:
CPU_FLAGS = -mthumb -mcpu=cortex-m0plus -mfloat-abi=soft
# C pedantism
CFLAGS = -Wall -Wextra -Wpedantic -Werror
CFLAGS = -Wall -Wextra -pedantic -Werror -Wcast-align
CXX_FLAGS = -Wsuggest-override -Wsuggest-final-methods -Wsuggest-final-types
# Debug/optimization
CFLAGS += -Os -ggdb -g3
CFLAGS += -Os -ggdb
CFLAGS += -fdata-sections -ffunction-sections
# Architecture
CFLAGS += $(CPU_FLAGS)
CFLAGS += -ffreestanding
CFLAGS += -fstack-usage -Wstack-usage=128
# Defines
CFLAGS += -D$(DEVICE_DEFINE)
# Includes
CFLAGS += -I./lib/stm32/$(DEVICE_LINE)/Include
CFLAGS += -I./lib/CMSIS/Core/Include
CFLAGS += -I./lib/fonts/
CFLAGS += -I./build/gen/
CFLAGS += -I.
CXX_FLAGS += -std=c++14 -fno-exceptions -fno-rtti
CXX_FLAGS += -std=c++14 -fno-exceptions -fno-rtti -fno-use-cxa-atexit
# Startup Definitions
ASFLAGS += $(CPU_FLAGS)
ASFLAGS += -D__STARTUP_CLEAR_BSS
ASFLAGS += -D__HEAP_SIZE=0 # No heap- let the linker decide it all
ASFLAGS += -D__HEAP_SIZE=$(HEAP_SIZE)
ASFLAGS += -D__STACK_SIZE=$(STACK_SIZE)
LDFLAGS += $(CPU_FLAGS)
LDFLAGS += -Wl,--gc-sections -Wl,--build-id=none -static
LDFLAGS += -Wl,--wrap=malloc -Wl,--wrap=free # Fail to link if dynamic allocation is sneaking through
LDFLAGS += -Wl,-print-memory-usage
LDFLAGS += -nostartfiles
#
# Default Target
@@ -113,25 +126,40 @@ build: $(OUTPUT_BIN)
# Build Logic
#
%.o: %.c
%.o: %.c $(FONT_H_FILES)
@echo "CC $@"
@$(CC) $(CFLAGS) -c $< -o $@
%.o: %.S
%.o: %.S $(FONT_H_FILES)
@echo "AS $@"
@$(CC) $(ASFLAGS) -c $< -o $@
%.o: %.cpp
%.o: %.cpp $(FONT_H_FILES)
@echo "CXX $@"
@$(CXX) $(CXX_FLAGS) $(CFLAGS) -c $< -o $@
SMALL_FONT=lib/fonts/roboto_mono/RobotoMono-Medium.ttf
$(FONT_GEN_DIR)/small.h $(FONT_GEN_DIR)/small.c: gen/fixedfont-to-c.py gen/font.py
@echo "GEN $@"
@mkdir -p $(FONT_GEN_DIR)
@gen/fixedfont-to-c.py $(patsubst .%,%,$(suffix $@)) $(SMALL_FONT) "$@" -s 18 --header-dir "" --name font_small
@$(call gen_font,$(FONT),29,small)
LARGE_FONT=lib/fonts/roboto_mono/RobotoMono-Bold.ttf
$(FONT_GEN_DIR)/large_digits.h $(FONT_GEN_DIR)/large_digits.c: gen/fixedfont-to-c.py gen/font.py
@echo "GEN $@"
@mkdir -p $(FONT_GEN_DIR)
@gen/fixedfont-to-c.py $(patsubst .%,%,$(suffix $@)) $(LARGE_FONT) "$@" -s 70 --header-dir "" --name font_large_digits -c "01234567890:"
$(OUTPUT_BIN): $(OUTPUT_ELF)
@echo "OBJCOPY $@"
@$(OBJCOPY) -O binary $(OUTPUT_ELF) $(OUTPUT_BIN)
$(OUTPUT_ELF): $(LINKER_SCRIPT) $(OBJS)
$(OUTPUT_MAP) $(OUTPUT_ELF): $(LINKER_SCRIPT) $(OBJS)
@echo "LD $@"
@$(LD) -T $(LINKER_SCRIPT) $(LDFLAGS) -o $(OUTPUT_ELF) $(OBJS)
@$(LD) -T $(LINKER_SCRIPT) $(LDFLAGS) -o $(OUTPUT_ELF) $(OBJS) -Wl,-Map=$(OUTPUT_MAP)
#
# Utilities
@@ -147,4 +175,4 @@ flash: $(OUTPUT_BIN)
.PHONY: clean
clean:
@echo "RM $(OBJS)"
@rm -f $(OBJS) $(OUTPUT_BIN) $(OUTPUT_ELF)
@rm -f $(OBJS) $(OUTPUT_BIN) $(OUTPUT_ELF) $(FONT_C_FILES) $(OUTPUT_MAP) ./*.su