From 8d538b3935842204c7a545184df302958fc2015d Mon Sep 17 00:00:00 2001 From: Karl Palsson Date: Fri, 16 Oct 2015 21:56:42 +0000 Subject: stub adc on/off test code. Needs a pot on PA0, should get the temperature input working as well. --- rules.mk | 169 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 rules.mk (limited to 'rules.mk') diff --git a/rules.mk b/rules.mk new file mode 100644 index 0000000..e10dd79 --- /dev/null +++ b/rules.mk @@ -0,0 +1,169 @@ +## +## This file is part of the libopencm3 project. +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see . +## + +# This version of rules.mk expects the following to be defined before +# inclusion.. +### REQUIRED ### +# OPENCM3_DIR - duh +# OPENCM3_LIB - the basename, eg: opencm3_stm32f4 +# OPENCM3_DEFS - the target define eg: -DSTM32F4 +# ARCH_FLAGS - eg, -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 +# (ie, the full set of cpu arch flags, _none_ are defined in this file) +# PROJECT - will be the basename of the output elf, eg usb-gadget0-stm32f4disco +# CFILES - basenames only, eg main.c blah.c +# LDSCRIPT - full path, eg ../../examples/stm32/f4/stm32f4-discovery/stm32f4-discovery.ld +# +### OPTIONAL ### +# INCLUDES - fully formed -I paths, if you want extra, eg -I../shared +# BUILD_DIR - defaults to bin, should set this if you are building multiarch +# OPT - full -O flag, defaults to -Os +# CSTD - defaults -std=c99 +# CXXSTD - no default. +# OOCD_INTERFACE - eg stlink-v2 +# OOCD_TARGET - eg stm32f4x +# both only used if you use the "make flash" target. +# OOCD_FILE - eg my.openocd.cfg +# This overrides interface/target above, and is used as just -f FILE +### TODO/FIXME/notes ### +# No support for stylecheck. +# No support for BMP/texane/random flash methods, no plans either +# No support for magically finding the library. +# C++ hasn't been actually tested with this..... sorry bout that. ;) +# Second expansion/secondary not set, add this if you need them. + +BUILD_DIR ?= bin +OPT ?= -Os +CSTD ?= -std=c99 + +# Be silent per default, but 'make V=1' will show all compiler calls. +# If you're insane, V=99 will print out all sorts of things. +V?=0 +ifeq ($(V),0) +Q := @ +NULL := 2>/dev/null +endif + +# Tool paths. +PREFIX ?= arm-none-eabi- +CC = $(PREFIX)gcc +LD = $(PREFIX)gcc +OBJCOPY = $(PREFIX)objcopy +OBJDUMP = $(PREFIX)objdump +OOCD ?= openocd + +OPENCM3_INC = $(OPENCM3_DIR)/include + +# Inclusion of library header files +INCLUDES += $(patsubst %,-I%, . $(OPENCM3_INC) ) + +OBJS = $(CFILES:%.c=$(BUILD_DIR)/%.o) + +TGT_CPPFLAGS += -MD +TGT_CPPFLAGS += -Wall -Wundef $(INCLUDES) +TGT_CPPFLAGS += $(INCLUDES) $(OPENCM3_DEFS) + +TGT_CFLAGS += $(OPT) $(CSTD) -ggdb3 +TGT_CFLAGS += $(ARCH_FLAGS) +TGT_CFLAGS += -fno-common +TGT_CFLAGS += -ffunction-sections -fdata-sections +TGT_CFLAGS += -Wextra -Wshadow -Wno-unused-variable -Wimplicit-function-declaration +TGT_CFLAGS += -Wredundant-decls -Wstrict-prototypes -Wmissing-prototypes + +TGT_CXXFLAGS += $(OPT) $(CXXSTD) -ggdb3 +TGT_CXXFLAGS += $(ARCH_FLAGS) +TGT_CXXFLAGS += -fno-common +TGT_CXXFLAGS += -ffunction-sections -fdata-sections +TGT_CXXFLAGS += -Wextra -Wshadow -Wredundant-decls -Weffc++ + +TGT_LDFLAGS += -T$(LDSCRIPT) -L$(OPENCM3_DIR)/lib -nostartfiles +TGT_LDFLAGS += $(ARCH_FLAGS) +TGT_LDFLAGS += -specs=nano.specs +TGT_LDFLAGS += -Wl,--gc-sections +# OPTIONAL +#TGT_LDFLAGS += -Wl,-Map=$(PROJECT).map +ifeq ($(V),99) +TGT_LDFLAGS += -Wl,--print-gc-sections +endif + +LDLIBS += -l$(OPENCM3_LIB) +# nosys is only in newer gcc-arm-embedded... +LDLIBS += -specs=nosys.specs +#LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group + +# Burn in legacy hell fortran modula pascal yacc idontevenwat +.SUFFIXES: +.SUFFIXES: .c .h .o .cxx .elf .bin .list .lss + +# Bad make, never *ever* try to get a file out of source control by yourself. +%: %,v +%: RCS/%,v +%: RCS/% +%: s.% +%: SCCS/s.% + +all: $(PROJECT).elf $(PROJECT).bin +flash: $(PROJECT).flash + +$(LDSCRIPT): +ifeq (,$(wildcard $(LDSCRIPT))) + $(error Unable to find specified linker script: $(LDSCRIPT)) +endif + +# Need a special rule to have a bin dir +$(BUILD_DIR)/%.o: %.c + @printf " CC\t$<\n" + @mkdir -p $(dir $@) + $(Q)$(CC) $(TGT_CFLAGS) $(CFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $@ -c $< + +$(BUILD_DIR)/%.o: %.cxx + @printf " CXX\t$<\n" + @mkdir -p $(dir $@) + $(Q)$(CC) $(TGT_CXXFLAGS) $(CXXFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $@ -c $< + +$(PROJECT).elf: $(OBJS) $(LDSCRIPT) + @printf " LD\t$@\n" + $(Q)$(LD) $(TGT_LDFLAGS) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $@ + +%.bin: %.elf + @printf " OBJCOPY\t$@\n" + $(Q)$(OBJCOPY) -O binary $< $@ + +%.lss: %.elf + $(OBJDUMP) -h -S $< > $@ + +%.list: %.elf + $(OBJDUMP) -S $< > $@ + +%.flash: %.elf + @printf " FLASH\t$<\n" +ifeq (,$(OOCD_FILE)) + $(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \ + -f target/$(OOCD_TARGET).cfg \ + -c "program $(*).elf verify reset exit" \ + $(NULL) +else + $(Q)$(OOCD) -f $(OOCD_FILE) \ + -c "program $(*).elf verify reset exit" \ + $(NULL) +endif + +clean: + rm -rf $(BUILD_DIR) $(PROJECT).{elf,bin} $(PROJECT).{list,lss,map} + +.PHONY: all clean flash +-include $(OBJS:.o=.d) + -- cgit