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Add flash-bmp target to Makefile

I have a Black Magic Probe now, so I'd like to be able to use that to
flash the PD Buddy Sink.  This commit adds a Makefile rule to automate
the very long command to do that.  I didn't bother with a GDB script as
the BMP wiki suggests, since it seems to add little advantage when the
command is already hidden away in a Makefile.
Clara Hobbs 4 years ago
parent
commit
f5bb9d6139
2 changed files with 34 additions and 2 deletions
  1. 24
    0
      Makefile
  2. 10
    2
      README.md

+ 24
- 0
Makefile View File

@@ -227,3 +227,27 @@ include $(RULESPATH)/rules.mk
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 flash-openocd-stlink: $(BUILDDIR)/$(PROJECT).elf
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 	openocd -f interface/stlink-v2.cfg -c "transport select hla_swd" -f target/stm32f0x.cfg -c "program $(BUILDDIR)/$(PROJECT).elf verify reset exit"
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+
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+GDB ?= $(TRGT)gdb
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+
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+ifeq ($(BMP_PORT),)
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+BMP_PORT_CANDIDATES := $(wildcard \
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+/dev/serial/by-id/usb-Black_Sphere_Technologies_Black_Magic_Probe_*-if00 \
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+/dev/cu.usbmodem*1)
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+ifeq ($(words $(BMP_PORT_CANDIDATES)),1)
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+BMP_PORT := $(BMP_PORT_CANDIDATES)
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+else
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+BMP_PORT = $(error Black Magic Probe gdb serial port not found, please provide the device name via the BMP_PORT variable parameter$(if \
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+$(BMP_PORT_CANDIDATES), (found $(BMP_PORT_CANDIDATES))))
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+endif
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+endif
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+
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+flash-bmp: $(BUILDDIR)/$(PROJECT).elf
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+	$(GDB) -nx --batch \
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+		-ex 'target extended-remote $(BMP_PORT)' \
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+		-ex 'monitor swdp_scan' \
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+		-ex 'attach 1' \
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+		-ex 'load' \
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+		-ex 'compare-sections' \
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+		-ex 'kill' \
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+		$(BUILDDIR)/$(PROJECT).elf

+ 10
- 2
README.md View File

@@ -57,13 +57,14 @@ submodule.
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 You will also need to install some program to flash the firmware.  The simplest
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 option is [dfu-util][], as it requires no extra hardware (though if upgrading
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 from versions older than 1.2.0, either the Boot switch must be installed or two
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-pads must be bridged).  If you prefer to use SWD, you could also use [stlink][]
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-or [OpenOCD][].
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+pads must be bridged).  If you prefer to use SWD, you could also use
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+[stlink][], [OpenOCD][], or a [Black Magic Probe][].
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 [toolchain]: https://launchpad.net/gcc-arm-embedded
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 [dfu-util]: http://dfu-util.sourceforge.net/
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 [stlink]: https://github.com/texane/stlink
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 [OpenOCD]: http://openocd.org/
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+[Black Magic Probe]: https://github.com/blacksphere/blackmagic/wiki
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 ## Compiling
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@@ -125,6 +126,13 @@ ST-LINK/V2, you can easily do this as follows:
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     $ make flash-openocd-stlink
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+### Black Magic Probe
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+
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+Black Magic Probe debuggers can be used to flash the firmware as well.  This
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+can be easily done as follows:
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+
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+    $ make flash-bmp
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+
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 ## Usage
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 After first flashing the PD Buddy Sink, the device has no configuration.  To

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