MQX Software Solutions中的主题 Re: Input capture issue

MQX Software Solutions中的主题 Re: Input capture issue https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407179#M13658 <HTML><HEAD></HEAD><BODY><P>Hello, Mark and Soledad.</P><P></P><P>I will give you more details on waht I want to obtain.</P><P></P><P>I want to use the FTM 3 to count pulse on the channel 5.</P><P></P><P>I already have the FTM1 and FTM2 cofidured with quadrature mode.</P><P></P><P>When I configure the FTM3 in input capture mode, when I read the C5V register (for the channel 5), I always have 0.</P><P>I want to read the register periodically and reset it when I have read it.</P><P></P><P>I checked the signal which is on the GPIO and the signal is good.</P><P></P><P>The cofigured register seems to be correct. But the register still remain at 0.</P><P></P><P>I didn't found any documentation on it.</P><P></P><P>Is there something wrong in my code?</P><P></P><P>Regards,</P><P></P><P>Guillaume </P></BODY></HTML> Thu, 16 Apr 2015 06:45:58 GMT guillaumetiffin 2015-04-16T06:45:58Z Input capture issue https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407176#M13655 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I'm using MQX 4.0 with K60.</P><P></P><P>I would like to use input capture on Rising edge or falling edged.</P><P></P><P>I can't succeed to have counting.</P><P></P><P>Here is the code :</P><P></P><TABLE><TBODY><TR><TD></TD><TD>//Enable FlexTimer 3 Clock</TD></TR></TBODY></TABLE><P></P><P>    SIM_SCGC3 |= SIM_SCGC3_FTM3_MASK;; /* Enable clock for FTM3 */</P><P></P><TABLE><TBODY><TR><TD></TD><TD>PORTE_PCR10|= (0|PORT_PCR_ISF_MASK|PORT_PCR_MUX(6)); </TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>// FTM0_CH5</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_MODE |= FTM_MODE_WPDIS_MASK;</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_CNT = 0;                </TD><TD>//reset the counter to zero</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_MOD = 0xffff ;          </TD><TD>//Set the overflow rate</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_CNTIN = 0;             </TD><TD>//Set the Counter Initial Value to 0</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_MODE |= FTM_MODE_FTMEN_MASK;</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>// FLEX Timer0 configuration</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_SC |= (FTM_SC_PS(0)| FTM_SC_CLKS(1));   </TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>// TOF=0 TOIE=0 CPWMS=0 CLKS=01 (system clock)  (divide by 1)  </TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C1SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C2SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C3SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C4SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C5SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C6SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C7SC = 0;    </TD><TD>/* Clear channel status and control register */</TD></TR></TBODY></TABLE><P></P><P>   </P><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_C5SC |= (0|FTM_CnSC_ELSA_MASK | FTM_CnSC_CHIE_MASK);</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_MODE |= FTM_MODE_FTMEN_MASK;</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_COMBINE = 0;</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_QDCTRL = 0;</TD></TR></TBODY></TABLE><P></P><P>    </P><P></P><TABLE><TBODY><TR><TD> </TD><TD>//Enable the counter to run in the BDM mode</TD></TR></TBODY></TABLE><P></P><TABLE><TBODY><TR><TD></TD><TD>FTM3_CONF |= FTM_CONF_BDMMODE(0);  </TD></TR></TBODY></TABLE><P></P><P>Can you help me please ?</P><P></P><P>Regards,</P><P></P><P>Guillaume</P></BODY></HTML> Tue, 14 Apr 2015 14:02:51 GMT https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407176#M13655 guillaumetiffin 2015-04-14T14:02:51Z Re: Input capture issue https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407177#M13656 <HTML><HEAD></HEAD><BODY><P>Guillaume</P><P></P><P>There is another discussion at the moment about this: <A href="https://community.nxp.com/thread/352211">Callback Overhead in KL03 running at 48 Mhz</A></P><P>With code that you can copy.</P><P></P><P>Regards</P><P></P><P>Mark</P><P></P><P>Kinetis: <A href="http://www.utasker.com/kinetis.html" title="http://www.utasker.com/kinetis.html">µTasker Kinetis support</A></P><P>K60: <A href="http://www.utasker.com/kinetis/TWR-K60N512.html" title="http://www.utasker.com/kinetis/TWR-K60N512.html">µTasker Kinetis TWR-K60N512 support</A> / <A href="http://www.utasker.com/kinetis/TWR-K60D100M.html" title="http://www.utasker.com/kinetis/TWR-K60D100M.html">µTasker Kinetis TWR-K60D100M support</A> / <A href="http://www.utasker.com/kinetis/TWR-K60F120M.html" title="http://www.utasker.com/kinetis/TWR-K60F120M.html">µTasker Kinetis TWR-K60F120M support</A></P><P><EM>For the complete "out-of-the-box" Kinetis experience and faster time to market</EM></P></BODY></HTML> Tue, 14 Apr 2015 14:37:46 GMT https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407177#M13656 mjbcswitzerland 2015-04-14T14:37:46Z Re: Input capture issue https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407178#M13657 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please check the attached file, this may helps!!!</P><P><BR />Have a great day,<BR /> Sol <BR /> <BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 15 Apr 2015 16:44:58 GMT https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407178#M13657 soledad 2015-04-15T16:44:58Z Re: Input capture issue https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407179#M13658 <HTML><HEAD></HEAD><BODY><P>Hello, Mark and Soledad.</P><P></P><P>I will give you more details on waht I want to obtain.</P><P></P><P>I want to use the FTM 3 to count pulse on the channel 5.</P><P></P><P>I already have the FTM1 and FTM2 cofidured with quadrature mode.</P><P></P><P>When I configure the FTM3 in input capture mode, when I read the C5V register (for the channel 5), I always have 0.</P><P>I want to read the register periodically and reset it when I have read it.</P><P></P><P>I checked the signal which is on the GPIO and the signal is good.</P><P></P><P>The cofigured register seems to be correct. But the register still remain at 0.</P><P></P><P>I didn't found any documentation on it.</P><P></P><P>Is there something wrong in my code?</P><P></P><P>Regards,</P><P></P><P>Guillaume </P></BODY></HTML> Thu, 16 Apr 2015 06:45:58 GMT https://community.nxp.com/t5/MQX-Software-Solutions/Input-capture-issue/m-p/407179#M13658 guillaumetiffin 2015-04-16T06:45:58Z