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stm32-macos.md

STM32 MacOS X Environment Setup

Table of Contents

1. Install JDK 8

2. Install Eclipse

Option 1: GNU MCU Eclipse IDE for C/C++ Developers

  • https://github.com/gnu-mcu-eclipse/org.eclipse.epp.packages/releases
  • 20190101-2023-gnumcueclipse-4.5.1-2018-12-R-macosx.cocoa.x86_64.tar.gz
  • unzip and move to the folder Applications
  • start eclipse, menu, help, install new software, work with, select "cdt", check "CDT main features", next, finish, restart eclipse.
  • start eclipse, menu, help, install new software, work with, select ""

3. Cross Compile Toolchain (arm-none-eabi-*))

Option 1: GNU MCU Eclipse ARM Embedded GCC

mkdir $HOME/opt
cd $HOME/opt
tar xvf gnu-mcu-eclipse-arm-none-eabi-gcc-8.2.1-1.1-20190102-1122-macos.tgz
chmod -R -w $HOME/opt/gnu-mcu-eclipse/arm-none-eabi-gcc/8.2.1-1.1-20190102-1122/

we have $HOME/opt/gnu-mcu-eclipse.

cd $HOME/opt/gnu-mcu-eclipse/arm-none-eabi-gcc/8.2.1-1.1-20190102-1122/bin/
./arm-none-eabi-gcc --version

# output:
arm-none-eabi-gcc (GNU MCU Eclipse ARM Embedded GCC, 64-bit) 8.2.1 20181213 (release) [gcc-8-branch revision 267074]
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Option 2: GNU ARM Embedded Toolchain

mkdir -p $HOME/opt
cd $HOME/opt
tar xvf gcc-arm-none-eabi-8-2018-q4-major-mac.tar.bz2
chmod -R -w ./gcc-arm-none-eabi-8-2018-q4-major
cd gcc-arm-none-eabi-8-2018-q4-major/bin/
./arm-none-eabi-gcc --version

# output:
arm-none-eabi-gcc (GNU Tools for Arm Embedded Processors 8-2018-q4-major) 8.2.1 20181213 (release) [gcc-8-branch revision 267074]
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

4. Install STLink

brew install stlink

st-info --version

# it prints:
v1.5.1

st-info --descr

# it prints
F7 device

5. OpenCD

cd $HOME/opt
tar xvf gnu-mcu-eclipse-openocd-0.10.0-10-20181020-0522-macos.tgz
# its content is in $HOME/opt/gnu-mcu-eclipse/openocd

To test OpenCD

cd $HOME/opt/gnu-mcu-eclipse/openocd/0.10.0-10-20181020-0522/scripts/target
mv stm32f7x.cfg stm32f7x.cfg-fangjun-bak
wget https://repo.or.cz/openocd.git/blob_plain/HEAD:/tcl/target/stm32f7x.cfg
cd ..
../bin/openocd -f board/st_nucleo_f7.cfg

It should output

GNU MCU Eclipse 64-bit Open On-Chip Debugger 0.10.0+dev-00352-gaa6c7e9b (2018-10-20-08:28)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
adapter speed: 2000 kHz
adapter_nsrst_delay: 100
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : Unable to match requested speed 2000 kHz, using 1800 kHz
Info : Unable to match requested speed 2000 kHz, using 1800 kHz
Info : clock speed 1800 kHz
Info : STLINK v2 JTAG v25 API v2 SWIM v14 VID 0x0483 PID 0x374B
Info : using stlink api v2
Info : Target voltage: 3.240235
Warn : Silicon bug: single stepping will enter pending exception handler!
Info : stm32f7x.cpu: hardware has 8 breakpoints, 4 watchpoints
Info : Listening on port 3333 for gdb connections

We get an updated stm32f7x.dap to avoid the following error

GNU MCU Eclipse 64-bit Open On-Chip Debugger 0.10.0+dev-00352-gaa6c7e9b (2018-10-20-08:28)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
adapter speed: 2000 kHz
adapter_nsrst_delay: 100
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
target/stm32f7x.cfg:155: Error: invalid command name "stm32f7x.dap"
in procedure 'script'
at file "embedded:startup.tcl", line 60
at file "board/st_nucleo_f7.cfg", line 8
at file "target/stm32f7x.cfg", line 155

Start gdb

arm-none-eabi-gdb
(gdb) target remote localhost:3333

6. Install STM32CubeMX

mkdir stm32cubemx
mv en.stm32cubemx.zip stm32cubemx
cd stm32cubemx
unzip en.stm32cubemx.zip

java -jar SetupSTM32CubeMX-5.0.1.exe

# use the default path: /Applications/STMicroelectronics/STM32CubeMX

# the uninstaller program is in /Applications/STMicroelectronics/STM32CubeMX.app/Contents/Resources/Uninstaller

# The installed application is available with the name "STM32CubeMX"

Its user manual is at https://my.st.com/content/ccc/resource/technical/document/user_manual/10/c5/1a/43/3a/70/43/7d/DM00104712.pdf/files/DM00104712.pdf/jcr:content/translations/en.DM00104712.pdf

7. STM32CubeProgrammer

mkdir stm32cubeprogrammer
mv en.stm32cubepro.zip stm32cubeprogrammer
cd stm32cubeprogrammer
unzip en.stm32cubepro.zip
java -jar SetupSTM32CubeProgrammer-1.4.0.exe

# Use the default installation path: /Applications/STMicroelectronics/STM32Cube/STM32CubeProgrammer
# install only the components that are selected by default, i.e., do not install STM32TrustedPackageCreator
# The installed application is available with the name "STM32CubeProgrammer"

When it starts, an popup windows says:

Error: Old ST-LINK firmware version. Upgrade ST-LINK firmware.

unzip en.stsw-link007.zip
cd stsw-link007
cd AllPlatforms
java -jar STLinkUpgrade.jar

# then, click the button "Open in update mode", then click "upgrade"
# after a few seconds, it displays: "Upgrade successful".
# close the window.

Open "STM32CubeProgrammer", it should display no error messages.

Inside /Applications/STMicroelectronics/STM32Cube/STM32CubeProgrammer/STM32CubeProgrammer.app/Contents/MacOs/bin, we can find STM32_Programmer_CLI, which is the commandline tool.

8. Hello World

  • Generate a Makefile project from CubeMx. Select the specified board.
make GCC_PATH=$HOME/opt/gcc-arm-none-eabi-8-2018-q4-major/bin
cp build/hello_f746_fangjun.bin ~/opt/gnu-mcu-eclipse/openocd/0.10.0-10-20181020-0522/scripts/a.bin
cd ~/opt/gnu-mcu-eclipse/openocd/0.10.0-10-20181020-0522/scripts/
../bin/openocd -f board/st_nucleo_f7.cfg -c "program a.bin exit 0x08000000"

  • Press the black reset button.

  • Or use CubeProgrammer to upload the binary:

    • Open STM32CubeProgrammer
    • Click Connect
    • Select "Erase & Programming"
    • For the file path, select "/path/to/xxxx.bin"
    • For the start address, use the default value "0x08000000"
    • Check "Run after programming"
    • Click the button "Start Programming"

  • Or use the following command

st-flash write ./build/*.bin 0x08000000

LED

HAL_GPIO_TogglePin(LD1_GPIO_Port, LD1_Pin);
HAL_Delay(1000);

USART

In cubemx,

  • Clock Configuration, HCLK (MHz) --> 216 MHz (for STM32F746 Nucleon-144 board)
  • Pinout & Configuration
    • Computing: CRC, activated
    • Right panel "Pinout view": PD9 (select USART3_RX), PD8(USART3_TX)
    • Connectivity: select USART3, mode (select Asynchronous). Leave others to their defaults, i.e., baudrate is 115200, 8bits, no parity check.
  • Generate Code

In the code

char buf[100];
int i = 0;
while (1) {
  /* USER CODE END WHILE */
  HAL_GPIO_TogglePin(LD1_GPIO_Port, LD1_Pin);
  i++;
  snprintf(buf, sizeof(buf), "hello %d\r\n", i);

  HAL_UART_Transmit(&huart3, buf, strlen(buf), 5000);
  HAL_Delay(1000);
}

After uploading the binary to the board. On macOS, do the following:

  • brew install minicom
  • ls /dev/tty.usbmodem1423, it may be tty.usbmodelxxxx, replace xxxx in the following command
  • minicom -D /dev/tty.usbmodem1423
  • it should print the message sent from the board
  • Note that the metakey in iterm2 is ESC. Press ESC + Z ot invoke the help window.
  • ESC + Z, then press X to exit minicom

To redirect printf, do the following:

  • Copy syscalls.c from $HOME/STM32Cube/Repository/STM32Cube_FW_F7_V1.14.0/Projects/STM32F769I_EVAL/Examples/UART/UART_Printf/SW4STM32 to the project

  • add the following function to main.c

int __io_putchar(int ch) {
  HAL_UART_Transmit(&huart3, (uint8_t *)&ch, 1, 0xFFFF);
  return ch;
}

X-CUBE-AI

Go to https://my.st.com/content/my_st_com/en/products/embedded-software/mcus-embedded-software/stm32-embedded-software/stm32cube-expansion-packages/x-cube-ai.license=1546650638389.product=X-CUBE-AI.version=3.3.0.html to download the software.

mkdir x-cube-ai
cd x-cube-ai
mv ../en.x-cube-ai.zip .
unzip en.x-cube-ai.zip

Then open STM32CubeMx, menu, help, manage embedded software packages, from local..., select "STMicroelectronics.X-CUBE-AI.3.3.0.pack".

Refer to the youtube video Getting Started with STM32Cube.AI.

Refer to https://github.com/araobp/stm32-mcu/tree/master/NUCLEO-F401RE/AI for an example of using x-cube-ai.

References

Refer to

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