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AM263P4: [AM263Px-CC] MCSPI LLD Master to Slave CS problem

JO yongho
Prodigy 20 points

Part Number: AM263P4

I'm currently trying SPI testing through interrupt, but there's a problem that when cs drops to low in Master, it  doesn't go up to high. How can I check this issue?SPI_Master_lld.zip SPI_Slave_lld.zip

  • 0
    TI__Mastermind 20452 points

    Hi Jo,

    I inspected your code and came across this line:

    gExtParams.csDisable = TRUE;
    Can you please share why this was set to TRUE, the driver will keep the CS pulled low when this is marked as True.
    Generally, when you want to transfer multiple frames as a single transfer, you keep the csDisable marked as True for all but the last frame and keep it False for the last frame.
    Can you try changing this to False and see if the CS toggles as expected?
    Regards,
    Shaunak