This demo is targeted towards the Olimex STM32-P207 board, with 512 kB internal Flash EEPROM and 128 kB internal RAM.

To program the bootloader into the internal flash on the STM32F207 microcontroller, the ST-LINK/V2 debugger interface was used. However, this is not required if you have another means of programming the internal flash.

To compile the demo programs you can use the Keil MDK development environment.

Firmware updates via the serial communication port are preconfigured to use USART3 on connector RS232_2 on the board.

Before the bootloader can be used, it needs to be built and programmed into the STM32F207's internal flash memory. The steps in this section only need to be done once.

When using Keil MDK, simply open the project from within uVision. The project file (stm32f207.uvprojx) is located at: \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Boot\ide\. Once opened, select Project→Rebuild all target files from the menu to compile all the bootloader sources and link the together into the final executable.

The bootloader program is now ready to be programmed into the internal flash memory of the STM32F207. Using your favorite programmer, flash the bootloader using one of the following files, depending on what file type your programmer supports:

• \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Boot\bin\openblt_stm32f207.axf
• \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Boot\bin\openblt_stm32f207.srec

When using Keil MDK, simply open the project from within uVision. The project file (stm32f207.uvprojx) is located at: \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Prog\ide\. Once opened, select Project→Rebuild all target files from the menu to compile all the demo program sources and link the together into the final executable.

The output file is

• \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Prog\bin\demoprog_stm32f207.srec

To download the demo program \Target\Demo\ARMCM3_STM32F2_Olimex_STM32P207_Keil\Prog\bin\demoprog_stm32f207.srec using the bootloader, follow the instructions in the following links, depending on the communication interface you intend to use:

• Firmware updates using the RS232 communication interface
• Firmware updates using the CAN communication interface
• Firmware updates from SD-card