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run PWM and sensor hub booster pack code

Ferz
Intellectual 260 points


Hi,

I just wonder, so when I wrote down PWM configuration in MPU 9150 sample main code, and I ran the code, then I measured duty cycle, why was the duty cycle going up and down? But when I only ran the PWM in different main code, the duty cycle just stay stable.

Thanks.

  • 0
    Guru 117855 points
    Is it not likely that the "9150 code" changes the PWM duty cycle - based upon the value of certain "9150 Registers or variables?" You should be able to search through the code - looking for any code line which impacts the PWM Duty cycle.

    When you ran that "different code" is it not likely that the PWM duty cycle was set just once - or was set proportionally - to a variable which holds constant? In such case - no change in PWM duty cycle is expected.
  • 0
    TI__Guru**** 244440 points
    Hello Ferz

    How is MPU9150 and PWM related? Did you check the examples in TivaWare for PWM Module?

    Regards
    Amit