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Inter-Processor Communication in imx7dsabresd

Question asked by nagaprasad vasamsetti on Oct 11, 2018
Latest reply on Oct 23, 2018 by jimmychan

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,