ColdFire/68K Microcontrollers and ProcessorsのトピックRe: pending interrupts https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139689#M2200 <HTML><HEAD></HEAD><BODY><DIV></DIV><P>Hi fire,</P><P>You can read the IPR registers and store the result to a variable.&nbsp; Note that note all interrupts will remain pending forever.&nbsp; Some like the IRQ pins show the actual state of the pin so if they negate so will the pending interrpt request.</P><P>With the IMR registers, you can also copy the register to a variable before mask-all is used to mask off all interrupts.&nbsp; You can then copy the variable back into the register to restore the mask....be sure to have the mask-all bit cleared.</P><P>Regards, DavidS</P><P>PS The example code on our ColdFire product web pages have very good header files that define the complete register set including the system register to help make life easy for you to code and access them.</P></BODY></HTML> Sat, 17 Jun 2006 00:40:49 GMT DavidS 2006-06-17T00:40:49Z pending interrupts https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139688#M2199 <HTML><HEAD></HEAD><BODY><DIV>How to store the <SPAN style="color: #ff0000;">pending interrupts</SPAN> before disabling the global interrupt flag in <SPAN style="color: #ff0000;">mcf 5282.</SPAN></DIV><DIV>&nbsp;</DIV></BODY></HTML> Thu, 15 Jun 2006 09:50:47 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139688#M2199 fire 2006-06-15T09:50:47Z Re: pending interrupts https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139689#M2200 <HTML><HEAD></HEAD><BODY><DIV></DIV><P>Hi fire,</P><P>You can read the IPR registers and store the result to a variable.&nbsp; Note that note all interrupts will remain pending forever.&nbsp; Some like the IRQ pins show the actual state of the pin so if they negate so will the pending interrpt request.</P><P>With the IMR registers, you can also copy the register to a variable before mask-all is used to mask off all interrupts.&nbsp; You can then copy the variable back into the register to restore the mask....be sure to have the mask-all bit cleared.</P><P>Regards, DavidS</P><P>PS The example code on our ColdFire product web pages have very good header files that define the complete register set including the system register to help make life easy for you to code and access them.</P></BODY></HTML> Sat, 17 Jun 2006 00:40:49 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139689#M2200 DavidS 2006-06-17T00:40:49Z Re: pending interrupts https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139690#M2201 <HTML><HEAD></HEAD><BODY><DIV>Thanks Davids.</DIV><DIV>I will try and let you know .</DIV></BODY></HTML> Mon, 19 Jun 2006 10:12:24 GMT https://community.nxp.com/t5/ColdFire-68K-Microcontrollers/pending-interrupts/m-p/139690#M2201 fire 2006-06-19T10:12:24Z