topic Re: Quadrature problem of MPC5744P in MPC5xxx https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730481#M9920 <HTML><HEAD></HEAD><BODY><P>I had a look at the example you gave to me.</P><P></P><P>I have a problem:</P><P>According to the following code,</P><P></P><P><SPAN class=""> </SPAN> quad_cnt = ETIMER_1.CHANNEL[4].CNTR.R;<SPAN class=""> </SPAN>// read quadrature counter</P><P></P><P>the result can be read from the rigister,but the resigister can only store <STRONG>unsigned short int( 16 bit),</STRONG></P><P><STRONG>how to read it when the counter goes below zero?</STRONG></P><P><STRONG>Is there a rule to calculate the quadrature counter?</STRONG></P></BODY></HTML> Tue, 31 Oct 2017 07:20:50 GMT nathan_ 2017-10-31T07:20:50Z Quadrature problem of MPC5744P https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730479#M9918 <HTML><HEAD></HEAD><BODY><P>I need to use the&nbsp;Quadrature module of MPC5744P to decode signals from rotary sensor.</P><P>But I can not find any examples for that?</P><P>Anyone can share some examples with me ?&nbsp;</P><P></P><P>Thanks.</P></BODY></HTML> Mon, 30 Oct 2017 01:53:36 GMT https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730479#M9918 nathan_ 2017-10-30T01:53:36Z Re: Quadrature problem of MPC5744P https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730480#M9919 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Please have a look at following thread.</P><P><A href="https://community.nxp.com/thread/439351">https://community.nxp.com/thread/439351</A>&nbsp;</P><P>Peter</P></BODY></HTML> Mon, 30 Oct 2017 12:33:11 GMT https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730480#M9919 petervlna 2017-10-30T12:33:11Z Re: Quadrature problem of MPC5744P https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730481#M9920 <HTML><HEAD></HEAD><BODY><P>I had a look at the example you gave to me.</P><P></P><P>I have a problem:</P><P>According to the following code,</P><P></P><P><SPAN class=""> </SPAN> quad_cnt = ETIMER_1.CHANNEL[4].CNTR.R;<SPAN class=""> </SPAN>// read quadrature counter</P><P></P><P>the result can be read from the rigister,but the resigister can only store <STRONG>unsigned short int( 16 bit),</STRONG></P><P><STRONG>how to read it when the counter goes below zero?</STRONG></P><P><STRONG>Is there a rule to calculate the quadrature counter?</STRONG></P></BODY></HTML> Tue, 31 Oct 2017 07:20:50 GMT https://community.nxp.com/t5/MPC5xxx/Quadrature-problem-of-MPC5744P/m-p/730481#M9920 nathan_ 2017-10-31T07:20:50Z