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TI Home » TI E2E Community » Support Forums » Low Power RF & Wireless Connectivity » Low Power RF RemoTI for RF4CE Remote Controls Forum » Sending DMX512 protocol data with CC2530
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Sending DMX512 protocol data with CC2530

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yesok yoon
Posted by yesok yoon
on Apr 11 2011 05:13 AM
Intellectual375 points

Hello,

I need to send DMX-512 protocol data with CC2530.

DMX-512 protocol requires 250kbps, 8bit data, 1 start bit, 2 stop bits, no parity, via RS485 - the intial condition before transmission of  a packet  is a space period of from 88 micro sec to 1 sec, followed by a mark period of 8 micro sec, plus max 513 bytes data.

Could some one advise a way to implement DMX-512 protocol?

Thanks in advance,

Yesok Yoon

cc2530 remo TI simple application SimpleApp
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  • TheDarkSide
    Posted by TheDarkSide
    on Apr 26 2011 21:01 PM
    Intellectual2860 points

    Yesok,

    you could use the UART module on CC2530 but the speed is up to 230.4 Kbps, not 250 Kbps.

    You would have to modify the UxBAUD.BAUD_M bits, UxGCR.BAUD_E bits and UxUCR.PARITY, UxUCR.SPB bits with respect to a standard UxART config.

    Please refer to the CC2530 user guide for the values that those bits can assume in case 230.4 kbps and 2 stop bits shall be used.

    Thanks,

    TheDarkSide 

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