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More updates to README.txt

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Gregory Nutt 2017-03-23 13:43:48 -06:00
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configs/clicker2-stm32/README.txt
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@ -73,18 +73,25 @@ Buttons
Using JTAG Using JTAG
========== ==========
The Clicker2 comes with the mikroBootloader installed. But it also offers The Clicker2 comes with the mikroBootloader installed. That bootloader
a 2x5 JTAG connector. You may use Dupont jumpers to connect this port to has not been used and is possibly incompatible with the Clicker2-STM32
JTAG as described here: linker script at configs/clicker2-stm32/scripts/flash.ld. Often code must
be built to execute at an offset in to FLASH when a bootloader is used.
Certainly that is the case for the ST-Micro DFU bootloader but I am not
aware of the requirements for use with the mikroBootloader.
JTAG has been used in the development of this board support. The
Clicker2-STM32 board offers a 2x5 JTAG connector. You may use Dupont
jumpers to connect this port to JTAG as described here:
https://www.mikroe.com/how-to-use-st-link-v2-with-clicker-2-for-stm32-a-detailed-walkthrough/ https://www.mikroe.com/how-to-use-st-link-v2-with-clicker-2-for-stm32-a-detailed-walkthrough/
http://www.playembedded.org/blog/en/2016/02/06/mikroe-clicker-2-for-stm32-and-stlink-v2/ http://www.playembedded.org/blog/en/2016/02/06/mikroe-clicker-2-for-stm32-and-stlink-v2/
NOTE that the FLASH is locked. You may need to follow the instructions at NOTE that the FLASH is locked. You may need to follow the instructions at
the second link to unlock it (although I think you can do this with the ST-Micro the second link to unlock it (although I think you may be able to do this
ST-Link Utility as well). with the ST-Micro ST-Link Utility as well).
You can avoid the mess of jumpers using the mikroProg to ST-Link v2 adapte You can avoid the mess of jumpers using the mikroProg to ST-Link v2 adapter
along with a 2x5, 10-wire ribbon cable connector: along with a 2x5, 10-wire ribbon cable connector:
https://shop.mikroe.com/add-on-boards/adapter/mikroprog-st-link-v2-adapter https://shop.mikroe.com/add-on-boards/adapter/mikroprog-st-link-v2-adapter