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Compiler/MSP430F5328: Communicating Elmos E931.96 with MSP430F5328

neil johnson78695
Intellectual 590 points
Part Number: MSP430F5328

Tool/software: TI C/C++ Compiler

Hi,

I am trying to Write and read to Elmos E931.96 from  MSP430F5328. 

I have configure all GPIO and registers and able to write the value to E931.96 sensor, I confirmed with Oscilloscope. 

but when i am trying to read from E931.96 not able to get same value.

Even i checked time interval n all with Elmos datasheet. 

Could anyone help me?

Can i have any sample application of E931.96 ?

Thanks,

John

  • 0
    TI__Guru**** 212037 points
    Hi John,

    The only resources provided by TI contain a PIR that uses a different type of communication: www.ti.com/.../slaa283b.pdf

    This is a less popular form of serial communication that I am not too familiar with. Are you controlling the system at the expected 32 kHz FCLK and driving the read signal with the microcontroller as shown in Figure 3? This is tricky as the GPIO has to drive an output and then switch to an input to read in the bit, and do this several times over. Is the E931.96 simply not responding at all, or giving back unexpected values? Please provide some oscilloscope shots detailing the behavior.

    Regards,
    Ryan

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