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GDB Connection Timeout

Question asked by gapry on Dec 21, 2013
Latest reply on Dec 23, 2013 by leppie
I used to the St-write to burn .bin to the STM32F4 and saw the message which I expected. Now, I hope to understand how GPIO init. Hence, I use OpenOCD and arm-none-eabi-gdb to do that. Here, it is my process.

$ minicom 

$ openocd -f /opt/openocd/share/openocd/scripts/board/stm32f4discovery.cfg 

$ arm-none-eabi-gdb main.elf
(gdb) target remote :3333
(gdb) :3333: Connection timed out.

How do I check the port of OpenOCD? Why does it occur timeout?  

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