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CCS/TMS320F28377S: UART SCI interrupt Receiver buffer

MINSIK LEE
Prodigy 120 points

Part Number: TMS320F28377S
Other Parts Discussed in Thread: C2000WARE

Tool/software: Code Composer Studio

Hi TI,

When sending the first Tx data and second Tx data, Is there a flag to indicate that Rx interrupt is completed ?

How to know that there is no more received data? 

Thanks for your time

Best regards,

Lee

  • 0
    TI__Expert 4145 points

    Hi Lee,

    To know the number of words in the RX FIFO you can check the RXFFST bit field of SCIFFRX register. To clear the fifo interrupt you need to set RXFFINTCLR field.

    You can refer to the example at location C2000Ware_3_03_00_00\device_support\f2837xs\examples\cpu1\spi_loopback_interrupts\cpu01 in C2000Ware to know more about the configuration (like fifo interrupt level) or interrupt acknowledgement.

    Thanks,

    Yashwant