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CC2652R: UART Driver How to read non-fixed length bytes

Alex Zhang
Intellectual 1305 points
Part Number: CC2652R


TI_RTOS provides read and write function can only read and write fixed length byte, ask how to read non-fixed length byte; 

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    TI__Expert 3571 points

    Hi Alex,
    When using the UART2_read, and/or UART2_write functions, you must always use a fixed length. It is, however, possible to use the UART2_ReadReturnMode_PARTIAL when doing a read. This allows you to set a fixed length of 100 bytes, for example, but if only 20 bytes of data are received over UART, then the read operation will return the 20 bytes.

    To further understand how the partial return mode works, please refer to the documentation of the UART2 driver in the SDK you are using.