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LP-MSP430FR2476: Reading signals

Vigus Diqkwe
Prodigy 80 points

Part Number: LP-MSP430FR2476

Hi,

I want to read ~4 digital signals from external devices and keep the values in the launchpad and then acces these values via a computer. How can I do this?

Thanks.

-VD

  • 0
    Prodigy 80 points

    Do I need booster packs or something?

  • 0 in reply to Vigus Diqkwe
    TI__Mastermind 27230 points

    Hi VD,

    If you need to read data from the 4 different devices and they use SPI or I2C, you can configure for that. (This is the preferred method)

    You could use the GPIO pins set to inputs and read the signals and store data during an interrupt service routine on the pins. Similar to our example code here: Software Port Interrupt Service on p1.3 from LPM3. (This method is workable but not recommended).

    To talk to a computer for evaluation you can just use the Launchpad for the FR2476 and send the data via UART. (You will need to update the examples to fit your application)

    The booster packs were created for a simple plug and use method. If you have booster packs for these external devices it would make the system faster to setup, otherwise you would need to wire all the connections to the launchpad.

    Regards,

    Luke

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