LPCXpresso IDEのトピックExternal interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571153#M20463 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by affonpign on Wed May 25 03:55:31 MST 2011</STRONG><BR /><SPAN>Hi everybody, </SPAN><BR /><BR /><SPAN>I use the LPC1769 and I assign the external interrupt 3 to the GPIO using void EINT3_IRQHandler(void). Everything works fine. Is it possible to use the GPIO with the external interrupt 0,1 or 2 ? </SPAN><BR /><BR /><SPAN>I found this note in the datasheet:</SPAN><BR /><SPAN>Note: EINT3 channel is shared with GPIO interrupts</SPAN><BR /><BR /><SPAN>Does anyone have an example using external interrupts 0,1 or 2?</SPAN><BR /><BR /><SPAN>Regards, </SPAN><BR /><SPAN>affonpign</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:31 GMT lpcware 2016-06-15T23:49:31Z External interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571153#M20463 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by affonpign on Wed May 25 03:55:31 MST 2011</STRONG><BR /><SPAN>Hi everybody, </SPAN><BR /><BR /><SPAN>I use the LPC1769 and I assign the external interrupt 3 to the GPIO using void EINT3_IRQHandler(void). Everything works fine. Is it possible to use the GPIO with the external interrupt 0,1 or 2 ? </SPAN><BR /><BR /><SPAN>I found this note in the datasheet:</SPAN><BR /><SPAN>Note: EINT3 channel is shared with GPIO interrupts</SPAN><BR /><BR /><SPAN>Does anyone have an example using external interrupts 0,1 or 2?</SPAN><BR /><BR /><SPAN>Regards, </SPAN><BR /><SPAN>affonpign</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:31 GMT https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571153#M20463 lpcware 2016-06-15T23:49:31Z Re: External interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571154#M20464 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by larryvc on Wed May 25 10:41:23 MST 2011</STRONG><BR /><HR /><SPAN style="color: #0000ff;"><STRONG>Quote: affonpign</STRONG><BR />Is it possible to use the GPIO with the external interrupt 0,1 or 2 ? <BR /> <BR />I found this note in the datasheet:<BR />Note: EINT3 channel is shared with GPIO interrupts<BR /> <BR />Does anyone have an example using external interrupts 0,1 or 2?</SPAN><HR /><BR /><SPAN> </SPAN><BR /><SPAN>I don't think so.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>Read the user manual.</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>UM10360 chapter 9 paragraph 9.2.2:</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>GPIO0 and GPIO2 interrupts share the same position in the NVIC with External Interrupt 3.</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:32 GMT https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571154#M20464 lpcware 2016-06-15T23:49:32Z Re: External interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571155#M20465 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by jharwood on Wed May 25 23:14:28 MST 2011</STRONG><BR /><SPAN>External Interrupts work as expected when configured to do so, EINT0 is == NMI, EINT1 thru 3 are maskable.</SPAN><BR /><BR /><SPAN>When those pins are configured for external interrupts, the GPIO functionality is revoked.</SPAN><BR /><BR /><SPAN>That means that edge triggered interrupts on ports 0 and 2 are not applicable for those pins that you have declared as EXTernal interrupts</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:33 GMT https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571155#M20465 lpcware 2016-06-15T23:49:33Z Re: External interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571156#M20466 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by affonpign on Wed May 25 23:36:11 MST 2011</STRONG><BR /><SPAN>I use the EINT0 on the corresponding pin. If I trigger the EINT0 volitional once but then the interrupt triggers itself and remains in a endless loop. Even clearing the pending interrupts does not help. Any suggestions?</SPAN><BR /><BR /><SPAN>Regards, </SPAN><BR /><SPAN>affonpign</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:33 GMT https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571156#M20466 lpcware 2016-06-15T23:49:33Z Re: External interrupts and GPIO https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571157#M20467 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Ex-Zero on Thu May 26 02:21:37 MST 2011</STRONG><BR /><SPAN>You don't show your (EINT) code, so I can only suggest to pay someone to solve your problem :):)</SPAN></BODY></HTML> Wed, 15 Jun 2016 23:49:34 GMT https://community.nxp.com/t5/LPCXpresso-IDE/External-interrupts-and-GPIO/m-p/571157#M20467 lpcware 2016-06-15T23:49:34Z