Hi all,

I followed this guide 
https://github.com/RIOT-OS/RIOT/wiki/Getting-started-with-STM32F%5B0%7C3%7C4%5Ddiscovery-boards
 to flash RIOT code onto a STM32F4DISCOVERY board. I get the following error:-

command: "BOARD=stm32f4discovery make flash"

Compiling successfully.

### Flashing Target ###
Open On-Chip Debugger 0.10.0-dev-00325-g12e4a2a (2016-07-12-10:00)
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
none separate
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
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
Error: open failed
in procedure 'init'
in procedure 'ocd_bouncer'

Done flashing

Any clue what could be causing this?

/Adeel

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