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TI Home » TI E2E Community » Support Forums » Low Power RF & Wireless Connectivity » Low Power RF ZigBee® Software & IEEE 802.15.4 Forum » Is there a bug when using HalUARTWrite()and HalUARTRead()?
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Is there a bug when using HalUARTWrite()and HalUARTRead()?

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xiaoqiang wang
Posted by xiaoqiang wang
on Mar 15 2012 20:42 PM
Intellectual525 points

hi all,

     when i use the HalUARTRead()and HalUARTWrite(),i found it doesn't work very well,how should i do?

zstack 1.4.3 СС2530
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  • YiKai Chen
    Posted by YiKai Chen
    on Mar 16 2012 04:45 AM
    Mastermind9640 points

    Dears,

    I have some experiences on using HALUARTRead() and JHALUARTWrite(). If you can specify your problem more clear, maybe I can help. For example, what kind of configuration do you use it, on coordinator, router, or end device? And, what your problem using these two API?

    Regards!

    YK Chen

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  • Imtiaz Ali
    Posted by Imtiaz Ali
    on Apr 16 2012 07:06 AM
    Prodigy100 points

    Hello YiKai Chen

    May I share your experience.

    I am writing a code using HALUARTWrite() function.

    Just Example:

    uint8 A[3];

    A[0]=1;

    A[1]=2;

    A[2]=3;

    HALUARTWRITE(Port0,A,3);

    But it gives following HEX values on PC:

    06 Instead of 1

    18 Instead of                      2

    1E                   Instead of                      3

    Can you tell me what is the exact problem.

    Thanks in Advance.

    CC2530 z_stack HalUARTWrite
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  • YiKai Chen
    Posted by YiKai Chen
    on Apr 16 2012 20:50 PM
    Mastermind9640 points

    Hi Imatiaz,

    Do you initialize uart correctly? Do you use correct baud rate of UART? The followings are source code example used to initialized UART for your reference.

    void initUart(halUARTCBack_t pf)
    {
      halUARTCfg_t uartConfig;
     
      uartConfig.configured           = TRUE;
      uartConfig.baudRate             = HAL_UART_BR_115200;
      uartConfig.flowControl          = FALSE;
      uartConfig.flowControlThreshold = 48;
      uartConfig.rx.maxBufSize        = 128;
      uartConfig.tx.maxBufSize        = 128;
        uartConfig.idleTimeout          = 6;   
      uartConfig.intEnable            = TRUE;              
      uartConfig.callBackFunc         = pf;
     
      HalUARTOpen (HAL_UART_PORT_0, &uartConfig);
    }

    Regards!

    YK Chen


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