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I2C TMS320F28335 question

Adrian Dronca
Prodigy 70 points

Other Parts Discussed in Thread: TMS320F28335

Hello,

I am using the TMS320F28335 DSP and I have implemented a i2c driver using FIFO mode. Now my task is to make it work with 255 data bytes.

Is it possible to use the FIFO mode to send/receive 255 data bytes or should I change the driver from FIFO mode to regular mode with the basic i2c interrupt requests ?

Do you know an example that doesn't use the FIFO ?

Thanks in advance,

Adrian

  • 0
    Guru 192875 points

    Hi Adrian,

    Now my task is to make it work with 255 data bytes.Is it possible to use the FIFO mode to send/receive 255 data bytes?

    Yes, you can but not all 255 at a time. You'll to do it in lots of 16 bytes at a time.

    Without FIFO, you should be able to implement the same using the help of I2CCNT register.

    Regards,

    Gautam

  • 0 in reply to Gautam Iyer
    Prodigy 70 points

    Hi Gautam,

    Thanks for your reply, I will try and change where the STOP conditions are set and send/receive blocks of 16 bytes.

    I will reply if it works.

    Kind Regards,
    Adrian