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Original question:

AM6442: missing memory device handling function of SPI driver

AM6442: Missing SPI driver function for memory devices

Kalman Budai
Intellectual 550 points

Part Number: AM6442

Dear TI,

is there any progress in this topic? Will it be included in next SDK? When?

Existing transmit function activates chip select before SPI data transfer and removes it automatically at the end. Gives no chance to chain more transfers under one CS pulse.

It would be nice to be able to control CS behavior at end of transfer by a new member in MCSPI_Transaction structure or somehow at least.

Regards, Kalman

  • 0
    TI__Guru 57005 points

    Hi Kalman,

    I will forward this question to our software development team. They will get back to you soon.

    Best regards,

    Ming

  • 0
    TI__Genius 13840 points

    Hi Kalman,

    Currently this functionality is not available in RTOS based driver MCSPI APIs like MCSPI_transfer.

    But you can control this CS using low latency APIs already provided in the MCSPI driver itself. Please refer low latency example available at below path.

    $MCU_SDK_INSTALL_DIR/examples/drivers/mcspi/mcspi_performance_8bit

    Regards,

    Sunil Kumar M S