Kinetis Software Development Kitのトピックkl25: the watchdog example &quot;cop&quot; doesn't reset cpu https://community.nxp.com/t5/Kinetis-Software-Development-Kit/kl25-the-watchdog-example-quot-cop-quot-doesn-t-reset-cpu/m-p/634773#M6808 <HTML><HEAD></HEAD><BODY><P>Is this "cop" example supposed to work with emulator connected?</P><P>The code doesn't reset cpu.</P><P>I also tried writing wrong value to SRVCOP (SIM-&gt;SRVCOP = 0; ) which should cause reset but it doesn't.</P></BODY></HTML> Thu, 30 Mar 2017 12:11:00 GMT tuomasaaltio 2017-03-30T12:11:00Z kl25: the watchdog example "cop" doesn't reset cpu https://community.nxp.com/t5/Kinetis-Software-Development-Kit/kl25-the-watchdog-example-quot-cop-quot-doesn-t-reset-cpu/m-p/634773#M6808 <HTML><HEAD></HEAD><BODY><P>Is this "cop" example supposed to work with emulator connected?</P><P>The code doesn't reset cpu.</P><P>I also tried writing wrong value to SRVCOP (SIM-&gt;SRVCOP = 0; ) which should cause reset but it doesn't.</P></BODY></HTML> Thu, 30 Mar 2017 12:11:00 GMT https://community.nxp.com/t5/Kinetis-Software-Development-Kit/kl25-the-watchdog-example-quot-cop-quot-doesn-t-reset-cpu/m-p/634773#M6808 tuomasaaltio 2017-03-30T12:11:00Z Re: kl25: the watchdog example "cop" doesn't reset cpu https://community.nxp.com/t5/Kinetis-Software-Development-Kit/kl25-the-watchdog-example-quot-cop-quot-doesn-t-reset-cpu/m-p/634774#M6809 <HTML><HEAD></HEAD><BODY><P>What platform are you running (IAR/GCC/ARM)?<BR /><BR />In some of the start up files the COP disabled early on so that it does not fire while the startup code runs.<BR />As the COP control register is a Write-Once-After-Reset that means the COP can not be used unless the startup code that disables it is found and changed.</P></BODY></HTML> Mon, 03 Apr 2017 13:07:24 GMT https://community.nxp.com/t5/Kinetis-Software-Development-Kit/kl25-the-watchdog-example-quot-cop-quot-doesn-t-reset-cpu/m-p/634774#M6809 bobpaddock 2017-04-03T13:07:24Z