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Tag - STM32F429I-DISCO

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Monday, November 11 2013

Example project for STM32F429I under CooCox

I have prepared a simple demo project for STM32F429I that compiles under CooCox. It is a stripped down version of demo project from ST. It isn't very nice but shall be enough to provide a quick start with the STM32F429I microcontroller.

What is included:

  • StdPeriph libraries
  • LCD handling functions
  • touch panel support
  • external SDRAM test
  • gyroscope test

What is not included:

  • FreeRTOS
  • USB support
  • Widgets drawing library
  • DSP library

Download link: STM32F429I demo project CooCox

See my previous post for 2 MB FLASH programming algorithm for CooCox.

Sunday, November 10 2013

STM32F429I FLASH driver for CooCox

I have recently bought STM32F429I-DISCO (or STM32F429I-DISCOVERY) board from ST. Unfortunately, as far as I know, it is not yet supported by any free IDE. I am trying to compile the project under CooCox (with moderate success, the test applications are working but the main payload with FreeRTOS is not). I was using ST-Link Utility for programming the FLASH memory so debugging was not possible. To enable debugging the application under CoIDE a dedicated FLASH programming code had to be prepared.

I have managed to adapt the sources of FLASH drver provided by CooCox for the STM32F429I microcontroller. I enclose the modified sources and binary driver. For quick and dirty installation, you can just copy the ELF file into the 'flash' subdirectory under your CoIDE / CoFlash application and point it in the project settings (last tab). I have verified my modifications by downloading the example application from ST to FLASH. Using the driver I am also able to download my compilation to the microcontroller and debug it. I cannot guarantee it is 100% correct but at least it works for me :-)