ChibiOS Free Embedded RTOS • How to read engine value dc tachometer? :D

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How to read engine value dc tachometer? :D

Posted: Tue Jun 23, 2015 11:08 am

by c0d3

Hello guys , I have to control a dc motor . The motor has the pin to read the rpm . How do I read these values on my board STMF401RE ?
thanks :-)

:-)

Re: How to read engine value dc tachometer? :D

Posted: Tue Jun 23, 2015 11:12 am

by Giovanni

Hi,

Answer: ICU Driver, it measures periods (and pulse width) on timer inputs. Look for the PWM-ICU demos under ./testhal.

Giovanni

Re: How to read engine value dc tachometer? :D

Posted: Tue Jun 23, 2015 11:15 am

by c0d3

Thank you very much Giovanni, I'll try