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 two short videos (registration required) highlighting:

System Workbench for STM32

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FreeRTOS running, SUCCESS!

CDC receive is called when data arrive on usb (if yu ever started data rececption)
if you want to kwon who call who clik on fucntion ” call hieracachy ” feature (Ctrl + Alt +H )

All the class and itf and driver indirection make it a bit harder to find
it is called indretcly via USBD_Interface_fops_FS “Receive”
if youn open the struct and find call tree of “Receive”
you will se it get called from
USBD_CDC_DataOut that fucntion is al
that one is again indirectky caledl by “DataIn” field of typedef struct _Device_cb

One that struct “DataIn” is finaly called from usb stack all way down from USB interrupt

see http://s21.postimg.org/lcalr01dz/cdc_data_in.pngQuestion


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