The Flash loader demonstrator is designed to work with all STMicroelectronics devices that support the system memory boot mode UART. Flashing programs to STM32. Embedded Bootloader. ScienceProg 1 June, 2012 15 November, 2016 ARM microcontrollers. What we do next is download Flash Loader Demonstrator which is a tool to interact with bootloader. Install it and launch. Flashing programs to STM32. Embedded Bootloader FreeRTOS on STM32. Downloading and Installing the Software The files for the ST-LINK program can be found on at github.com. A on how to install and use the st-flash command line program is available – click the 'Raw' button to open the pdf file. The following instructions will show you how to install st-flash on Ubuntu 11.10: 1. First install dependencies. Open a terminal window and enter: sudo apt-get install libusb-1.0-0-dev git Another dependency is pkg-config which should already be installed on Ubuntu. In the terminal window, change to a suitable directory to work from and enter: git clone stlink.git 3. Change to the new directory and then make the project. Enter these two lines in the terminal window: cd stlink.git make 4. Copy the st-flash file to the file system. In the stlink.git directory where you ran the 'make' command, there is a directory called flash that contains the st-flash program. To copy it to the file system, first change to the flash directory and then copy the file. In the terminal window, enter: cd flash sudo cp st-flash /usr/bin 5. Set up udev rules so that it is possible to run st-flash without using the sudo command. Change back to the stlink.git directory and then copy the rules files to the file system. In the terminal window enter: cd. Sudo cp *.rules /etc/udev/rules.d 6. Finally enter: sudo restart udev Programming the STM32 Flash Plug the STM32 value line discovery board into a spare USB port on the Linux PC. In a terminal window, change to the directory containing the binary file that you want to load to the STM32 value line discovery board. Enter: st-flash write v1 myflash.bin 0x8000000 Where myflash is the name of your binary file to load. If you get an error message, then try using sudo in front of the above command or try rebooting the system. STMicroelectronics provides a Windows based utility,, for flashing the internal and external flash of STM32 based boards. This section applies to the following ST boards supported by TouchGFX: • STM32F429I-DISCO • STM324x9I-EVAL • STM32469I-DISCO • STM32469I-EVAL • STM32F746G-DISCO • STM32756G-EVAL • STM32F769I-EVAL • STM32F769-DISCO ST-Link Utility can also be used to program custom hardware using e.g. The ST-Link/V2. Generating Hex-files ST-Link Utility can program.hex and.bin files. These are automatically generated by the ARM gcc Makefiles provided with the TouchGFX project. The IAR and Keil IDE's are configured to convert the output.elf files to a.hex file. • For IAR projects, additional output is converted ( intel extended format) to Debug Exe application.hex • For Keil projects, the following post-build step is executed: fromelf --only=ExtFlashSection --bin --output=binary. Objects keil5-2.axf resulting in a.hex file: Objects keil5-2.hex Flashing using ST-Link Utility GUI The process described in this article outlines how to use the ST-Link Utility to program the internal and external flash of the ST boards. For the internal flash, ST-Link will automatically detect the type of device connected. For an external flash, however, an external flash loader must be configured manually. ST-Link offers support for every flash chip found on boards supported by TouchGFX. When you flash a binary file using ST-Link Utility, you must supply the correct flash address manually.
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