Inter-Processor Communication in imx7dsabresd

[nagaprasadvasam]

Hi everyone,

      I am loading str_echo_freertos.bin to m4 core through u-boot then i am booting kernel to a7 in imx7dsabresd.

then after loading rpmsg driver i am trying to communication with m4 as i opened device with open() and writing some data using write() to m4 processor it is receiving but when it is sending echo back i am not getting in a7 processor, can any one help me.

Thanks & Regards,

Prasad.

[jimmychan]

This may help you.

Tutorial: Building FreeRTOS Applications for ARM Cortex-M4 on i.MX7 with Eclipse | MCU on Eclipse 

Tutorial: Running FreeRTOS on NXP i.MX7Dual Cortex-M4F | MCU on Eclipse