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altineller

double vs float in TM4C123

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Hello All,

 

I made a PID controller, using a TivaC board and VNH2SP motor driver and encoder motors, which are read by the hardware QEI. All works well, and I have been able to get more resolution and run it faster and with smoother output compared to my previous implementations on arduino. Also, because of the QEI, it is much less components and wiring on the circuit side.

 

Right now I am using double for PID calculations. Would I benefit from using float ? I am inclined to give it a try, but I wanted to ask in this forum. How is double and float handled in TM4C123 platform.

 

Best Regards,

 

 

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