├── .gitignore ├── COPYING ├── COPYING.LESSER ├── INSTALL.md ├── README.md ├── blackmagic.mk ├── config.mk ├── jlink.mk ├── libopencm3.mk ├── libopencm3_ld.mk ├── openocd.mk └── rules.mk /.gitignore: -------------------------------------------------------------------------------- 1 | *.sublime-* 2 | build/ 3 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /COPYING.LESSER: -------------------------------------------------------------------------------- 1 | GNU LESSER GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | 9 | This version of the GNU Lesser General Public License incorporates 10 | the terms and conditions of version 3 of the GNU General Public 11 | License, supplemented by the additional permissions listed below. 12 | 13 | 0. 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Revised Versions of the GNU Lesser General Public License. 145 | 146 | The Free Software Foundation may publish revised and/or new versions 147 | of the GNU Lesser General Public License from time to time. Such new 148 | versions will be similar in spirit to the present version, but may 149 | differ in detail to address new problems or concerns. 150 | 151 | Each version is given a distinguishing version number. If the 152 | Library as you received it specifies that a certain numbered version 153 | of the GNU Lesser General Public License "or any later version" 154 | applies to it, you have the option of following the terms and 155 | conditions either of that published version or of any later version 156 | published by the Free Software Foundation. If the Library as you 157 | received it does not specify a version number of the GNU Lesser 158 | General Public License, you may choose any version of the GNU Lesser 159 | General Public License ever published by the Free Software Foundation. 160 | 161 | If the Library as you received it specifies that a proxy can decide 162 | whether future versions of the GNU Lesser General Public License shall 163 | apply, that proxy's public statement of acceptance of any version is 164 | permanent authorization for you to choose that version for the 165 | Library. 166 | -------------------------------------------------------------------------------- /INSTALL.md: -------------------------------------------------------------------------------- 1 | # CM-Makefile: How to install required tools 2 | 3 | This document describes how to install tools required by CM-Makefile. 4 | 5 | ## Ubuntu 22.04 6 | 7 | ### GNU Make 8 | 9 | If Make is not already present, install the `build-essential` package which 10 | also contains GCC and other tools: 11 | 12 | sudo apt-get install build-essential 13 | 14 | ### Arm GNU Toolchain 15 | 16 | The Arm GNU Toolchain can be downloaded directly from the [Arm website][1]. 17 | Simply unpack the archive and put it to a convenient location: 18 | 19 | tar xf arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz 20 | sudo mv arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi /opt 21 | 22 | Then add the toolchain to `PATH`: 23 | 24 | echo "export PATH="/opt/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi/bin:$PATH"" >> ~/.bashrc 25 | source ~/.bashrc 26 | 27 | Alternatively (or to use a specific toolchain version), set the `CROSS_COMPILE` 28 | variable when running `make`: 29 | 30 | make CROSS_COMPILE=/usr/local/gcc-arm-none-eabi-8-2018-q4-major/bin/arm-none-eabi- 31 | 32 | ### GDB (as part of the Arm GNU Toolchain) 33 | 34 | GDB is distributed as part of the Arm GNU Toolchain and is available as 35 | `arm-none-eabi-gdb` after the toolchain installation. 36 | 37 | To run this particular version on Ubuntu 22.04, it is necessary to install 38 | the libncursesw5 library and Python 3.8 (available in a PPA): 39 | 40 | sudo apt-get install libncursesw5 41 | sudo add-apt-repository -y ppa:deadsnakes/ppa 42 | sudo apt-get install python3.8 43 | 44 | ### GDB (built separately) 45 | 46 | A better strategy is to build GDB from sources and install it alongside the Arm 47 | GNU Toolchain version. This way it is configured to use the default system 48 | version of Python version which makes running plugins easier. 49 | 50 | First install the ncurses library: 51 | 52 | sudo apt-get install libncursesw5-dev 53 | 54 | Then, build and install GDB to a convenient location (e.g. `/opt/arm-none-eabi-gdb`): 55 | 56 | wget https://ftp.gnu.org/gnu/gdb/gdb-12.1.tar.xz 57 | tar xf gdb-12.1.tar.xz 58 | mkdir gdb-12.1-build 59 | cd gdb-12.1-build 60 | ../gdb-12.1/configure --with-python=$(which python3) --target=arm-none-eabi --enable-interwork --enable-multilib --prefix=/opt/arm-none-eabi-gdb 61 | make -j$(nproc) 62 | sudo make install 63 | 64 | Finally, append it to PATH which overrides `arm-none-eabi-gdb` from the Arm GNU 65 | Toolchain: 66 | 67 | echo "export PATH="/opt/arm-none-eabi-gdb/bin:$PATH"" >> ~/.bashrc 68 | source ~/.bashrc 69 | 70 | ### OpenOCD 71 | 72 | OpenOCD can be installed from Ubuntu repository: 73 | 74 | sudo apt-get install openocd 75 | 76 | However, as the release cycle is rather slow, it might be more useful to compile 77 | it from sources (especially when working with newer MCUs): 78 | 79 | git clone --recursive https://git.code.sf.net/p/openocd/code openocd 80 | cd openocd 81 | ./bootstrap 82 | ./configure 83 | make -j$(nproc) 84 | sudo make install 85 | 86 | [1]: https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads 87 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CM-Makefile: Makefile template for Cortex-M projects 2 | 3 | Makefile template for ARM Cortex-M projects using the [Arm GNU Toolchain][1]. 4 | The template is meant to be included in project-specific Makefile. 5 | 6 | See repository [cm-makefile-examples][5] for usage examples. 7 | 8 | ## Dependencies 9 | 10 | To successfully compile and debug the project, you need: 11 | 12 | - Linux desktop (OS X should work as well) 13 | - [GCC ARM Embedded][1] toolchain 14 | - MCU vendor's HAL (start-up code, register definitions, ...) 15 | 16 | Optional software: 17 | 18 | - [OpenOCD][2] debugger 19 | - [Eclipse CDT Stand-alone Debugger][3] 20 | - [Segger J-Link Software and Documentation Pack][12] 21 | 22 | Installation instructions are described in a [separate file](./INSTALL.md). 23 | 24 | ## Usage 25 | 26 | First, create `Makefile`. The Makefile should link to source files outside the 27 | project's source directory (such as libraries provided by the manufacturer) and 28 | include `*.mk` files from the CM-Makefile project. For example: 29 | 30 | BIN = hello # Name of the output binary 31 | SDK_DIR = ../mcu-vendor # Target-specific library 32 | 33 | INC = -I$(SDK_DIR)/inc 34 | SRC_ASM = $(SDK_DIR)/src/startup.S 35 | SCR_C = $(SDK_DIR)/src/system.c 36 | SRC_LD = $(SDK_DIR)/target.ld 37 | 38 | OPENOCD = openocd -f board/my_board.cfg 39 | 40 | include cm-makefile/config.mk 41 | include cm-makefile/openocd.mk # For flash, debug and gdb targets 42 | include cm-makefile/rules.mk 43 | 44 | See the [cm-makefile-examples][5] repository for real-world examples. 45 | 46 | Then simply run `make` to compile the project and `make flash` to upload it to 47 | the target. 48 | 49 | The process will create `.elf`, `.hex` and `.bin` binaries in the `build` 50 | directory together with other files useful for debugging: 51 | 52 | - `.disasm`: Disassembly output 53 | - `.sym`: Name list (useful to check memory layout) 54 | - `.map`: Linker map (useful to check linked object files, discarded sections, 55 | etc.) 56 | 57 | To use a specific toolchain (other than the default `arm-none-eabi`), simply 58 | set the `CROSS_COMPILE` variable: 59 | 60 | make CROSS_COMPILE=/usr/local/gcc-arm-none-eabi-4_9-2015q3/bin/arm-none-eabi- 61 | 62 | ### Flashing and debugging 63 | 64 | To flash the program into the target device, run `make flash`. 65 | To reset the CPU, run `make reset`. 66 | 67 | Three different flasher implementations are provided: 68 | 69 | - OpenOCD (`openocd.mk`) 70 | - Black Magic Probe 71 | - J-Link (`jlink.mk`) 72 | 73 | To debug the project, run `make gdb` (which starts OpenOCD's GDB server) 74 | followed by `make debug` in a different terminal (which starts GDB in TUI 75 | mode). 76 | 77 | It is also possible to use the Eclipse standalone debugger using 78 | `make cdtdebug`. The debugger has to be available as `cdtdebug`. If it isn't, 79 | simply change the `CDTDEBUG` variable. 80 | 81 | J-Link and OpenOCD probes support `make rtt` which starts a RTT server. 82 | The RTT output can be captured using `JLinkRTTClient` or `nc localhost 19021`. 83 | 84 | If needed, it is possible to provide a custom gdb executable by setting the 85 | `GDB` variable: 86 | 87 | make GDB=/opt/arm-none-eabi-gdb-11.1/bin/arm-none-eabi-gdb debug 88 | 89 | ## Configuration 90 | 91 | The configuration is quite straightforward. Most of variables used in 92 | `config.mk` and `rules.mk` can be modified by the project-specific Makefile. 93 | For example: 94 | 95 | - `SRC_DIR`: The main directory where source files are located (`.` by default) 96 | - `BUILD_DIR`: The directory where object files and binaries are stored 97 | (`./build` by default) 98 | - `INC`: Include path for header files (`-I*.h`) or linker scripts (`-L*.ld`) 99 | - `SRC_ASM`: Assembly source files (`*.S`, `*.s`) outside the main `SRC_DIR` 100 | directory (e.g. target-specific startup code) 101 | - `SRC_C`: C source files (`*.c`) outside the main `SRC_DIR` directory 102 | - `SRC_LD`: Linker script (`*.ld`) 103 | - `DEF`: Custom macros (`-DMACRO` equals to `#define MACRO`) 104 | - `ARCHFLAGS`: CPU architecture (see below) 105 | - `FPFLAGS`: FLoating point configuration (see below) 106 | - `WARNFLAGS`: GCC [warning options][6]. You can define your own set of options 107 | or disable the unwanted ones by appending `-Wno-*` flags 108 | - `DBGFLAGS`: GCC [debugging options][7] (`-ggdb` by defualt) 109 | - `OPTFLAGS`: GCC [optimization options][8] (`-O3` by defualt) 110 | - `PREPFLAGS`: GCC [preprocessor options][9] (`-MD -MP` by defualt) 111 | - `STDFLAGS`: GCC [C dialect options][10] (`-std=gnu99` by default) 112 | - `CXXSTDFLAGS`: GCC [C++ dialect options][11] (`-std=gnu++11` by default) 113 | 114 | ### Configuraiton specific to different debug probes 115 | 116 | For `openocd.mk`: 117 | 118 | - `OPENOCD`: OpenOCD command (with script selection) to set up debug session. 119 | You can use one of the [built-in scripts][4] or create your own. 120 | 121 | For `blackmagic.mk`: 122 | 123 | - `BLACKMAGIC_PORT`: Serial port to be used for the Black Magic Probe 124 | 125 | For `jlink.mk`: 126 | 127 | - `JLINK_DEVICE`: Target device (`Cortex-M0` by default) 128 | - `JLINK_SPEED`: Programming speed in Hz (`1000` by default) 129 | 130 | ### Configuration for a different target 131 | 132 | CM-Makefile can be easily used with a different CPU core than the default 133 | Cortex-M0. It's only necessary to configure the `ARCHFLAGS` and `FPFLAGS` 134 | variables (`FPFLAGS` defaults to `-mfloat-abi=soft`): 135 | 136 | | CPU | `ARCHFLAGS` | `FPFLAGS` | 137 | |---------------------|-----------------------|----------------------------------------| 138 | | Cortex-M0 (default) | `-mcpu=cortex-m0` | `-mfloat-abi=soft` | 139 | | Cortex-M0+ | `-mcpu=cortex-m0plus` | `-mfloat-abi=soft` | 140 | | Cortex-3 | `-mcpu=cortex-m3` | `-mfloat-abi=soft` | 141 | | Cortex-M4 (Soft FP) | `-mcpu=cortex-m4` | `-mfloat-abi=softfp -mfpu=fpv4-sp-d16` | 142 | | Cortex-M4 (Hard FP) | `-mcpu=cortex-m4` | `-mfloat-abi=hard -mfpu=fpv4-sp-d16` | 143 | 144 | ## License 145 | 146 | CM-Makefile is free software: you can redistribute it and/or modify it under the 147 | terms of the GNU Lesser General Public License as published by the Free Software 148 | Foundation, either version 3 of the License, or (at your option) any later 149 | version. 150 | 151 | See `COPYING` and `COPYING.LESSER` for details. 152 | 153 | [1]: https://developer.arm.com/Tools%20and%20Software/GNU%20Toolchain 154 | [2]: http://openocd.org/ 155 | [3]: https://wiki.eclipse.org/CDT/StandaloneDebugger 156 | [4]: https://github.com/ntfreak/openocd/tree/master/tcl/board 157 | [5]: https://github.com/adamheinrich/cm-makefile-examples 158 | [6]: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html 159 | [7]: https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html 160 | [8]: https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html 161 | [9]: https://gcc.gnu.org/onlinedocs/gcc/Preprocessor-Options.html 162 | [10]: https://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html 163 | [11]: https://gcc.gnu.org/onlinedocs/gcc/C_002b_002b-Dialect-Options.html 164 | [12]: https://www.segger.com/downloads/jlink/#J-LinkSoftwareAndDocumentationPack 165 | -------------------------------------------------------------------------------- /blackmagic.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | # Black Magic Probe target configuration 21 | BLACKMAGIC_PATTERN ?= usb-Black_Magic_Debug_Black_Magic_Probe_*-if00 22 | BLACKMAGIC_PORT ?= $(wildcard /dev/serial/by-id/$(BLACKMAGIC_PATTERN)) 23 | 24 | BLACKMAGIC_GDBINIT ?= \ 25 | set mi-async on\n\ 26 | target extended-remote $(BLACKMAGIC_PORT)\n\ 27 | set confirm off\n\ 28 | set mem inaccessible-by-default off\n\ 29 | monitor version\n\ 30 | monitor swdp_scan\n\ 31 | attach 1\n\ 32 | file $(realpath $(BUILD_DIR)/$(BIN).elf)\n\ 33 | load 34 | 35 | HELP_TEXT += \n\ 36 | flash - Flash using Black Magic Probe\n\ 37 | reset - Reset the target MCU using Black Magic Probe\n\ 38 | erase - Erase flash (STM32 only) using Black Magic Probe\n\ 39 | power_ - Supply power to the target from Black Magic Probe\n\ 40 | cdtdebug - Start debugger (cdtdebug) and connect to the GDB server\n\ 41 | debug - Start debugger (gdb -tui) and connect to the GDB server 42 | 43 | OUTPUTS += $(BUILD_DIR)/$(BIN).bmp.gdb $(BUILD_DIR)/$(BIN).bmp.cdt 44 | 45 | $(BUILD_DIR)/$(BIN).bmp.gdb: 46 | @echo " ECHO $(notdir $@)" 47 | $(CMD_ECHO) echo "$(BLACKMAGIC_GDBINIT)" > $@ 48 | 49 | $(BUILD_DIR)/$(BIN).bmp.cdt: $(BUILD_DIR)/$(BIN).bmp.gdb 50 | @echo " ECHO $(notdir $@)" 51 | $(CMD_ECHO) echo "org.eclipse.cdt.dsf.gdb/defaultGdbCommand=$(GDB)\n"\ 52 | "org.eclipse.cdt.dsf.gdb/defaultGdbInit=$(realpath $^)\n" > $@ 53 | 54 | .PHONY: flash 55 | flash: $(BUILD_DIR)/$(BIN).hex 56 | $(CMD_ECHO) $(GDB) -nx --batch \ 57 | -ex 'target extended-remote $(BLACKMAGIC_PORT)' \ 58 | -ex 'set confirm off' \ 59 | -ex 'monitor version' \ 60 | -ex 'monitor swdp_scan' \ 61 | -ex 'attach 1' \ 62 | -ex 'load' \ 63 | -ex 'compare-sections' \ 64 | -ex 'kill' \ 65 | $^ 66 | 67 | .PHONY: reset 68 | reset: 69 | $(CMD_ECHO) $(GDB) -nx --batch \ 70 | -ex 'target extended-remote $(BLACKMAGIC_PORT)' \ 71 | -ex 'set confirm off' \ 72 | -ex 'monitor version' \ 73 | -ex 'monitor swdp_scan' \ 74 | -ex 'attach 1' \ 75 | -ex 'kill' 76 | 77 | .PHONY: erase 78 | erase: 79 | $(CMD_ECHO) $(GDB) -nx --batch \ 80 | -ex 'target extended-remote $(BLACKMAGIC_PORT)' \ 81 | -ex 'set confirm off' \ 82 | -ex 'monitor version' \ 83 | -ex 'monitor swdp_scan' \ 84 | -ex 'attach 1' \ 85 | -ex 'monitor erase' \ 86 | -ex 'kill' 87 | 88 | .PHONY: power_on 89 | power_on: 90 | $(CMD_ECHO) $(GDB) -nx --batch \ 91 | -ex 'target extended-remote $(BLACKMAGIC_PORT)' \ 92 | -ex 'monitor tpwr enable' 93 | 94 | .PHONY: power_off 95 | power_off: 96 | $(CMD_ECHO) $(GDB) -nx --batch \ 97 | -ex 'target extended-remote $(BLACKMAGIC_PORT)' \ 98 | -ex 'monitor tpwr disable' 99 | 100 | .PHONY: cdtdebug 101 | cdtdebug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).bmp.cdt 102 | @echo "Starting cdtdebug with $(GDB)..." 103 | $(CMD_ECHO) $(CDTDEBUG) -pluginCustomization $| -e $(realpath $^) & 104 | 105 | .PHONY: debug 106 | debug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).bmp.gdb 107 | $(CMD_ECHO) $(GDB) -tui -x $| $^ 108 | -------------------------------------------------------------------------------- /config.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | # Project name and build directory 21 | BIN ?= template 22 | BUILD_DIR ?= ./build 23 | SRC_DIR ?= . 24 | 25 | # Verbosity: Set V=1 to display command echo 26 | V ?= 0 27 | 28 | ifeq ($(V), 0) 29 | CMD_ECHO = @ 30 | else 31 | CMD_ECHO = 32 | endif 33 | 34 | # Include directories 35 | INC += -I$(SRC_DIR) 36 | 37 | # ASM and C (e.g. startup) source files and linker script outside src directory 38 | SRC_ASM ?= 39 | SRC_C ?= 40 | SRC_LD ?= 41 | 42 | # Defines (e.g. required by included libraries) 43 | DEF ?= 44 | 45 | # Debugger configuration 46 | CDTDEBUG ?= cdtdebug 47 | 48 | # Compiler and linker flags 49 | ARCHFLAGS ?= -mcpu=cortex-m0 50 | FPFLAGS ?= -mfloat-abi=soft 51 | ARCHFLAGS += -mthumb -mabi=aapcs $(FPFLAGS) 52 | STDFLAGS ?= -std=gnu99 53 | CXXSTDFLAGS ?= -std=gnu++11 54 | DBGFLAGS ?= -ggdb 55 | OPTFLAGS ?= -O3 56 | WARNFLAGS ?= -Wall -Wextra -Wundef -Wshadow -Wimplicit-function-declaration \ 57 | -Wredundant-decls -Wstrict-prototypes -Wmissing-prototypes \ 58 | -Wconversion -Wdouble-promotion -Wfloat-conversion -pedantic 59 | PREPFLAGS ?= -MD -MP 60 | 61 | # Use newlib-nano, include syscalls stubs (nosys) 62 | SPECSFLAGS ?= --specs=nano.specs --specs=nosys.specs 63 | 64 | # This should be only enabled during development: 65 | #WARNFLAGS += -Werror 66 | 67 | ASFLAGS = $(ARCHFLAGS) 68 | 69 | # CC: Place functions and data into separate sections to allow dead code removal 70 | # by the linker (-f*-sections) 71 | # TODO: Add -fno-builtin? 72 | CFLAGS = $(ARCHFLAGS) $(OPTFLAGS) $(DBGFLAGS) $(WARNFLAGS) $(PREPFLAGS) \ 73 | $(STDFLAGS) \ 74 | -ffunction-sections -fdata-sections -fno-strict-aliasing \ 75 | $(SPECSFLAGS) 76 | 77 | # CXX: Similar configuration as CC. Remove C-only warning flags, omit 78 | # exceptions and run-time type information 79 | CXXWARNFLAGS = $(filter-out -Wimplicit-function-declaration \ 80 | -Wstrict-prototypes \ 81 | -Wmissing-prototypes,$(WARNFLAGS)) 82 | 83 | CXXFLAGS = $(ARCHFLAGS) $(OPTFLAGS) $(DBGFLAGS) $(CXXWARNFLAGS) $(PREPFLAGS) \ 84 | $(CXXSTDFLAGS) \ 85 | -ffunction-sections -fdata-sections -fno-strict-aliasing \ 86 | -fno-rtti -fno-exceptions \ 87 | $(SPECSFLAGS) 88 | 89 | # LD: Remove unused sections, link with newlib-nano implementation, generate map 90 | LDFLAGS = $(ARCHFLAGS) $(OPTFLAGS) $(DBGFLAGS) \ 91 | -Wl,-Map=$(BUILD_DIR)/$(BIN).map -Wl,--gc-sections \ 92 | $(SPECSFLAGS) 93 | 94 | # Generate object list from source files and add their dirs to search path 95 | SRC_ASM += $(wildcard $(SRC_DIR)/*.s) 96 | SRC_ASM += $(wildcard $(SRC_DIR)/*.S) 97 | FILENAMES_ASM = $(notdir $(SRC_ASM)) 98 | OBJFILENAMES_ASM = $(FILENAMES_ASM:.s=.o) 99 | OBJS_ASM = $(addprefix $(BUILD_DIR)/, $(OBJFILENAMES_ASM:.S=.o)) 100 | vpath %.s $(dir $(SRC_ASM)) 101 | vpath %.S $(dir $(SRC_ASM)) 102 | 103 | SRC_C += $(wildcard $(SRC_DIR)/*.c) 104 | FILENAMES_C = $(notdir $(SRC_C)) 105 | OBJS_C = $(addprefix $(BUILD_DIR)/, $(FILENAMES_C:.c=.o)) 106 | vpath %.c $(dir $(SRC_C)) 107 | 108 | SRC_CXX += $(wildcard $(SRC_DIR)/*.cpp) 109 | FILENAMES_CXX = $(notdir $(SRC_CXX)) 110 | OBJS_CXX = $(addprefix $(BUILD_DIR)/, $(FILENAMES_CXX:.cpp=.o)) 111 | vpath %.cpp $(dir $(SRC_CXX)) 112 | 113 | # Tools selection 114 | CROSS_COMPILE ?= arm-none-eabi- 115 | 116 | CC := $(CROSS_COMPILE)gcc 117 | CXX := $(CROSS_COMPILE)g++ 118 | AS := $(CROSS_COMPILE)gcc 119 | NM := $(CROSS_COMPILE)nm 120 | OBJCOPY := $(CROSS_COMPILE)objcopy 121 | OBJDUMP := $(CROSS_COMPILE)objdump 122 | SIZE := $(CROSS_COMPILE)size 123 | GDB ?= $(CROSS_COMPILE)gdb 124 | 125 | # Use g++ as a linker if there are any C++ object files: 126 | ifeq ($(OBJS_CXX),) 127 | LD := $(CROSS_COMPILE)gcc 128 | else 129 | LD := $(CROSS_COMPILE)g++ 130 | endif 131 | 132 | # Help message: 133 | HELP_TEXT = Available targets:\n\ 134 | all - Build with default configuration\n\ 135 | deps - Build dependencies (if specified)\n\ 136 | clean - Remove build outputs\n\ 137 | distclean - Remove build outputs as well as outputs of dependencies 138 | 139 | # Desired outputs: 140 | OUTPUTS = $(BUILD_DIR)/$(BIN).elf \ 141 | $(BUILD_DIR)/$(BIN).hex \ 142 | $(BUILD_DIR)/$(BIN).bin \ 143 | $(BUILD_DIR)/$(BIN).sym \ 144 | $(BUILD_DIR)/$(BIN).disasm 145 | 146 | # Dependencies: 147 | DEPS ?= 148 | DEPS_CLEAN ?= 149 | 150 | .PHONY: default 151 | default: deps all 152 | -------------------------------------------------------------------------------- /jlink.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | # Segger J-Link configuration 21 | JLINK_DEVICE ?= Cortex-M0 22 | JLINK_SPEED ?= 1000 23 | 24 | JLINK_FLAGS = -device $(JLINK_DEVICE) -if swd -speed $(JLINK_SPEED) -exitonerror 1 25 | JLINK_EXE = JLinkExe -nogui 1 26 | JLINK_GDB = JLinkGDBServer -nogui 1 27 | 28 | JLINK_GDBINIT ?= \ 29 | target remote localhost:2331\n\ 30 | set mem inaccessible-by-default off 31 | 32 | HELP_TEXT += \n\ 33 | flash - Flash using J-Link\n\ 34 | reset - Reset the target MCU using J-Link\n\ 35 | erase - Erase flash using J-Link\n\ 36 | gdb - Start J-Link GDB server\n\ 37 | cdtdebug - Start debugger (cdtdebug) and connect to the GDB server\n\ 38 | debug - Start debugger (gdb -tui) and connect to the GDB server\n\ 39 | rtt - Start J-Link RTT server 40 | 41 | $(BUILD_DIR)/$(BIN).jlink.gdb: 42 | @echo " ECHO $(notdir $@)" 43 | $(CMD_ECHO) echo "$(JLINK_GDBINIT)" > $@ 44 | 45 | $(BUILD_DIR)/$(BIN).jlink.cdt: 46 | @echo " ECHO $(notdir $@)" 47 | $(CMD_ECHO) echo "org.eclipse.cdt.dsf.gdb/defaultGdbCommand=$(GDB)" > $@ 48 | 49 | .PHONY: flash 50 | flash: $(BUILD_DIR)/$(BIN).hex 51 | $(CMD_ECHO) echo "loadfile $^\n\ 52 | r\n\ 53 | g\n\ 54 | q\n" | $(JLINK_EXE) $(JLINK_FLAGS) 55 | $(CMD_ECHO) echo "" 56 | 57 | .PHONY: reset 58 | reset: 59 | $(CMD_ECHO) echo "r\n\ 60 | g\n\ 61 | q\n" | $(JLINK_EXE) $(JLINK_FLAGS) 62 | $(CMD_ECHO) echo "" 63 | 64 | .PHONY: erase 65 | erase: 66 | $(CMD_ECHO) echo "erase\n\ 67 | r\n\ 68 | q\n" | $(JLINK_EXE) $(JLINK_FLAGS) 69 | $(CMD_ECHO) echo "" 70 | 71 | .PHONY: gdb 72 | gdb: $(BUILD_DIR)/$(BIN).hex 73 | @echo "Starting GDB server" 74 | $(CMD_ECHO) $(JLINK_GDB) $(JLINK_FLAGS) 75 | 76 | .PHONY: cdtdebug 77 | cdtdebug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).jlink.cdt 78 | @echo "Starting cdtdebug with $(GDB)..." 79 | $(CMD_ECHO) $(CDTDEBUG) -pluginCustomization $| -r localhost:2331 \ 80 | -e $(realpath $^) & 81 | 82 | .PHONY: debug 83 | debug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).jlink.gdb 84 | $(CMD_ECHO) $(GDB) -tui -x $| $^ 85 | 86 | .PHONY: rtt 87 | rtt: 88 | $(JLINK_EXE) $(JLINK_FLAGS) -autoconnect 1 89 | $(CMD_ECHO) echo "" 90 | -------------------------------------------------------------------------------- /libopencm3.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | OPENCM3_DIR ?= ./libopencm3 21 | OPENCM3_TARGET ?= stm32/f0 22 | OPENCM3_DEF ?= -DSTM32F0 23 | OPENCM3_PREFIX ?= $(CROSS_COMPILE) 24 | 25 | OPENCM3_LIB = libopencm3_$(subst /,,$(OPENCM3_TARGET)).a 26 | 27 | OPENCM3_FLAGS = V=$(V) 28 | OPENCM3_FLAGS += PREFIX=$(OPENCM3_PREFIX) 29 | OPENCM3_FLAGS += FP_FLAGS="$(FPFLAGS)" 30 | OPENCM3_FLAGS += DEBUG_FLAGS="$(DBGFLAGS)" 31 | 32 | HELP_TEXT += \n\ 33 | libopencm3 - Build the libopencm3 library\n\ 34 | libopencm3_clean - Remove files built in the libopencm3 folder 35 | 36 | # Setup linker flags required by libopencm3: 37 | LDFLAGS += -l$(subst lib,,$(subst .a,,$(OPENCM3_LIB))) 38 | LDFLAGS += -nostartfiles 39 | 40 | # Setup macros 41 | DEF += $(OPENCM3_DEF) 42 | 43 | # Setup dependencies (to build libopencm3 automatically): 44 | DEPS += libopencm3 45 | DEPS_CLEAN += libopencm3_clean 46 | 47 | $(OPENCM3_DIR)/Makefile: 48 | $(error Error: libopencm3 is not available. Run \ 49 | `git submodule update --init` to initialize submodules) 50 | 51 | $(OPENCM3_DIR)/lib/$(OPENCM3_LIB): $(OPENCM3_DIR)/Makefile 52 | $(CMD_ECHO) $(MAKE) -C $(OPENCM3_DIR) $(OPENCM3_FLAGS) \ 53 | lib/$(OPENCM3_TARGET) 54 | 55 | .PHONY: libopencm3 56 | libopencm3: $(OPENCM3_DIR)/lib/$(OPENCM3_LIB) 57 | 58 | .PHONY: libopencm3_clean 59 | libopencm3_clean: 60 | $(CMD_ECHO) $(MAKE) -C $(OPENCM3_DIR) clean 61 | -------------------------------------------------------------------------------- /libopencm3_ld.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | # Setup linker script generator and add the script to outputs (so it can be 21 | # automatically removed by `make clean`): 22 | 23 | OPENCM3_DIR ?= ./libopencm3 24 | OPENCM3_LIB ?= libopencm3_stm32f0.a 25 | OPENCM3_DEVICE ?= stm32f030r8 26 | 27 | ifneq ($(wildcard $(OPENCM3_DIR)/mk),) 28 | 29 | DEVICE = $(OPENCM3_DEVICE) 30 | 31 | -include $(OPENCM3_DIR)/mk/genlink-config.mk 32 | 33 | LDSCRIPT = $(SRC_LD) 34 | Q ?= $(CMD_ECHO) 35 | OUTPUTS += $(LDSCRIPT) 36 | 37 | -include $(OPENCM3_DIR)/mk/genlink-rules.mk 38 | 39 | else 40 | 41 | $(error Error: libopencm3 is not available. Run `git submodule update --init` \ 42 | to initialize submodules) 43 | 44 | endif -------------------------------------------------------------------------------- /openocd.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | # OpenOCD target configuration 21 | OPENOCD ?= openocd -f board/st_nucleo_f0.cfg 22 | 23 | OPENOCD_GDBINIT ?= \ 24 | target remote localhost:3333\n\ 25 | set mem inaccessible-by-default off 26 | 27 | HELP_TEXT += \n\ 28 | flash - Flash using OpenOCD\n\ 29 | reset - Reset the target MCU using OpenOCD\n\ 30 | gdb - Start OpenOCD as GDB server\n\ 31 | cdtdebug - Start debugger (cdtdebug) and connect to the GDB server\n\ 32 | debug - Start debugger (gdb -tui) and connect to the GDB server\n\ 33 | rtt - Start RTT server 34 | 35 | OUTPUTS += $(BUILD_DIR)/$(BIN).openocd.gdb $(BUILD_DIR)/$(BIN).openocd.cdt 36 | 37 | $(BUILD_DIR)/$(BIN).openocd.gdb: 38 | @echo " ECHO $(notdir $@)" 39 | $(CMD_ECHO) echo "$(OPENOCD_GDBINIT)" > $@ 40 | 41 | $(BUILD_DIR)/$(BIN).openocd.cdt: 42 | @echo " ECHO $(notdir $@)" 43 | $(CMD_ECHO) echo "org.eclipse.cdt.dsf.gdb/defaultGdbCommand=$(GDB)" > $@ 44 | 45 | .PHONY: flash 46 | flash: $(BUILD_DIR)/$(BIN).hex 47 | $(CMD_ECHO) $(OPENOCD) -c \ 48 | "init; \ 49 | reset halt; \ 50 | sleep 100; \ 51 | flash write_image erase $^; \ 52 | reset run; \ 53 | shutdown" 54 | 55 | .PHONY: reset 56 | reset: 57 | $(CMD_ECHO) $(OPENOCD) -c \ 58 | "init; \ 59 | reset halt; \ 60 | sleep 100; \ 61 | reset run; \ 62 | shutdown" 63 | 64 | .PHONY: gdb 65 | gdb: $(BUILD_DIR)/$(BIN).hex 66 | $(CMD_ECHO) $(OPENOCD) -c \ 67 | "init; \ 68 | reset halt; \ 69 | sleep 100; \ 70 | flash write_image erase $^; \ 71 | reset halt" 72 | 73 | .PHONY: cdtdebug 74 | cdtdebug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).openocd.cdt 75 | @echo "Starting cdtdebug with $(GDB)..." 76 | $(CMD_ECHO) $(CDTDEBUG) -pluginCustomization $| -r localhost:3333 \ 77 | -e $(realpath $^) & 78 | 79 | .PHONY: debug 80 | debug: $(BUILD_DIR)/$(BIN).elf | $(BUILD_DIR)/$(BIN).openocd.gdb 81 | $(CMD_ECHO) $(GDB) -tui -x $| $^ 82 | 83 | .PHONY: rtt 84 | rtt: 85 | $(CMD_ECHO) $(OPENOCD) \ 86 | -c "init" \ 87 | -c 'rtt setup 0x20000000 0x8000 "SEGGER RTT"' \ 88 | -c "rtt start" \ 89 | -c "rtt channels" \ 90 | -c "rtt server start 19021 0" 91 | -------------------------------------------------------------------------------- /rules.mk: -------------------------------------------------------------------------------- 1 | ## 2 | ## This file is part of CM-Makefile. 3 | ## 4 | ## Copyright (C) 2015 Adam Heinrich 5 | ## 6 | ## CM-Makefile is free software: you can redistribute it and/or modify 7 | ## it under the terms of the GNU Lesser General Public License as published by 8 | ## the Free Software Foundation, either version 3 of the License, or 9 | ## (at your option) any later version. 10 | ## 11 | ## CM-Makefile is distributed in the hope that it will be useful, 12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | ## GNU Lesser General Public License for more details. 15 | ## 16 | ## You should have received a copy of the GNU Lesser General Public License 17 | ## along with CM-Makefile. If not, see . 18 | ## 19 | 20 | .PHONY: all 21 | all: deps $(BUILD_DIR) $(OUTPUTS) 22 | @echo "" 23 | $(CMD_ECHO) $(SIZE) $(BUILD_DIR)/$(BIN).elf 24 | 25 | .PHONY: deps 26 | deps: 27 | @if [ ! -z "$(DEPS)" ]; then \ 28 | $(MAKE) -s $(DEPS); \ 29 | fi 30 | 31 | $(BUILD_DIR): 32 | $(CMD_ECHO) mkdir -p $(BUILD_DIR) 33 | 34 | $(BUILD_DIR)/%.o: %.s | deps 35 | @echo " AS $(notdir $@)" 36 | $(CMD_ECHO) $(AS) $(ASFLAGS) $(DEF) $(INC) -c -o $@ $< 37 | 38 | $(BUILD_DIR)/%.o: %.S | deps 39 | @echo " AS $(notdir $@)" 40 | $(CMD_ECHO) $(AS) $(ASFLAGS) $(DEF) $(INC) -c -o $@ $< 41 | 42 | $(BUILD_DIR)/%.o: %.c | deps 43 | @echo " CC $(notdir $@)" 44 | $(CMD_ECHO) $(CC) $(CFLAGS) $(DEF) $(INC) -c -o $@ $< 45 | 46 | $(BUILD_DIR)/%.o: %.cpp | deps 47 | @echo " CXX $(notdir $@)" 48 | $(CMD_ECHO) $(CXX) $(CXXFLAGS) $(DEF) $(INC) -c -o $@ $< 49 | 50 | $(BUILD_DIR)/$(BIN).elf: $(OBJS_ASM) $(OBJS_C) $(OBJS_CXX) | $(SRC_LD) 51 | @echo " LD $(notdir $@)" 52 | $(CMD_ECHO) $(LD) $^ $(LDFLAGS) $(INC) -T$(SRC_LD) -o $@ 53 | 54 | $(BUILD_DIR)/$(BIN).sym: $(BUILD_DIR)/$(BIN).elf 55 | @echo " NM $(notdir $@)" 56 | $(CMD_ECHO) $(NM) -n $< > $@ 57 | 58 | $(BUILD_DIR)/$(BIN).disasm: $(BUILD_DIR)/$(BIN).elf 59 | @echo " OBJDUMP $(notdir $@)" 60 | $(CMD_ECHO) $(OBJDUMP) -S $< > $@ 61 | 62 | $(BUILD_DIR)/$(BIN).hex: $(BUILD_DIR)/$(BIN).elf 63 | @echo " IHEX $(notdir $@)" 64 | $(CMD_ECHO) $(OBJCOPY) -O ihex $< $@ 65 | 66 | $(BUILD_DIR)/$(BIN).bin: $(BUILD_DIR)/$(BIN).elf 67 | @echo " BIN $(notdir $@)" 68 | $(CMD_ECHO) $(OBJCOPY) -O binary $< $@ 69 | 70 | -include $(addprefix $(BUILD_DIR)/, $(FILENAMES_C:.c=.d)) 71 | -include $(addprefix $(BUILD_DIR)/, $(FILENAMES_CXX:.cpp=.d)) 72 | 73 | .PHONY: clean 74 | clean: 75 | rm -f $(OUTPUTS) 76 | rm -f $(BUILD_DIR)/$(BIN).map $(BUILD_DIR)/*.o $(BUILD_DIR)/*.d 77 | 78 | .PHONY: distclean 79 | distclean: $(DEPS_CLEAN) clean 80 | 81 | .PHONY: help 82 | help: 83 | @echo -e '$(HELP_TEXT)' 84 | --------------------------------------------------------------------------------