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I am having an embedded SBC(master) and slave a 8051 based RF module having 32kbs of Internal ROM. I am having SPI bus to access that internal ROM.When i am sending some data from my master to slave using SPI bus, i am able see some data on MOSI line and after that data, i need to get some response from the slave.I am not confident that data is written properly on 00,01,02,03 address of flash ROM.I have added the code for your reference, please let me know whats wrong i am doing.