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README_stm32.md

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stm32adf435xfw

The stm32 firmware build, installation and usage is not tested.

The firmware requires the following wiring:

STM32F103 Pin ADF4350/1 Pin
PA4 3 - LE
PA5 1 - CLK
PA7 2 - DAT

Building & Installation

  1. First init/update all the sub-modules within the git repository, silence the message about changed submodule:

    git submodule add -f https://github.com/libopencm3/libopencm3.git firmware/stm32/libopencm3
git submodule update --init
git update-index --assume-unchanged firmware/fx2/libopencm3

  2. Install GNU Make, OpenOCD, and ARM builds of GCC compiler and Newlib.

    On Debian/Ubuntu:

    sudo apt install gcc-arm-none-eabi libnewlib-arm-none-eabi make openocd

  3. Modify firmware/stm32/libopencm3/Makefile:

    --- firmware/stm32/libopencm3/Makefile.orig     2022-12-07 17:47:17.132272001 +0100
+++ firmware/stm32/libopencm3/Makefile  2022-12-07 17:51:25.673466868 +0100
@@ -25,7 +25,7 @@
 space:=
 space+=
-SRCLIBDIR:= $(subst $(space),\$(space),$(realpath lib))
+SRCLIBDIR:= $(subst $(space),/$(space),$(realpath lib))
 TARGETS := stm32/f0 stm32/f1 stm32/f2 stm32/f3 stm32/f4 stm32/f7
 TARGETS += stm32/l0 stm32/l1 stm32/l4

  4. Build libopencm3, this may give a lot of warnings about non portable use of "#defined":

    cd firmware/stm32/libopencm3
make

  5. Build stm32f103adf435xfw:

    cd ..
make

  6. Run OpenOCD:

    sudo openocd -f /usr/share/openocd/scripts/interface/stlink-v2.cfg -f /usr/share/openocd/scripts/target/stm32f1x.cfg

  7. Install the firmware:

    telnet localhost 4444

> reset halt
> flash write_image erase /path/to/stm32adf435xfw.bin 0x08000000
> reset