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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world. And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download (registration required) various documents highlighting:

System Workbench for STM32

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No console ouput

Posted by mcariou on 2015-06-09 10:48

Hey guys,

I’m trying to develop a code on a STM32F401C-DISCO board with the System Workbench for STM32 on Eclipse. I can build my code and debug it successfully but in debug mode, I can’t use printf() or scanf(), the Program Output Console still remain empty :-(. I probably made a wrong configuration somewhere but I can’t find it.
I’m using OpenOCD 0.9 and AC6 STM32 Debugging. Hope you could help me !

Thanks in advance,

Max

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Posted by HankB on 2015-06-10 04:08

Hi Max,
Welcome to the world of embedded systems. Your discovery board does not have a console unless you build one. If you google “stm32f4-disco console” You will find information on how to do this and you will then know more about it than me.

I should look into that. In the mean time I have used buttons and such for user inputs. I’m working up to using touch on the STM429I-DISCO.

Another interesting I/O option would be a small radio like the nrf24l01 or the esp8266.

best,
hank

Edit: You might find this link interesting: http://www.wolinlabs.com/blog/stm32f4.semihosting.htmlQuestion

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