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MSP430FR6047: Original Code, and adjusting software for other frequencies

Matthew Lynch
Prodigy 20 points
Part Number: MSP430FR6047

I received the EVM430-FR6037 board and proceeded to hook it up to 1MHz sensors and found that the device worked wonderfully using the USS Software. However, I have since loaded in some example programs into the device so that I could change the frequency of the pulse. This is due to the software not allowing me to go below the 780kHz. This too was a success. Not with the software but by loading in example code, adjusting, and monitoring with my scope. Not that I am here, I am stuck.

1. Can you send me the source files that come on the IC originally? Now that I see that it works, I want to be able to go back. The website has plenty of example codes, but I cannot tell which one, if any, is the original.

2. Can you assist me in changing your software to allow me to send 250kHz pulses?

Best Regards,

Matt L.

  • 0
    TI__Genius 10800 points

    Hi Matt,

    You can find the original demo code in the USSSW library by going to the following path:

    [USSLIB install path]\msp\UltrasonicWaterFR604x_02_40_00_00\examples\USS_Water_Demo

    If you haven't already downloaded it, you can do so here.

    As for adjusting the software to send 250kHz pulses: This device has a lower limit of 772kHz for water metering, as mention in the USS Design Center User's Guide. I am sure you could edit the code for the MSP430 to get past this, but the GUI is going to give you issues if you attempt to use a lower frequency than that no matter how you change the code. 

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