I am a software engineer with a background in electronics and over 25 years' professional experience. This experience is in software development from low level firmware up to PC software and user interfaces, communications, control systems, printing systems, wireless, consumer electronics and many other areas.

Re: LPC177x GPIO interrupt

Reply posted 4 years ago (10/05/2016)
This was the problem!

Re: LPC177x GPIO interrupt

Reply posted 4 years ago (10/05/2016)
Thank you to everyone who replied.I found the problem...The 1778 doesn't route the GPIO interrupts through the EINT3 vector, but has a dedicated GPIO vector.  In case...

Re: LPC177x GPIO interrupt

Reply posted 4 years ago (10/05/2016)
Hi,Thanks for the reply.  In one test, I explicitly set these:LPC_SC->PCLKSEL = 4; // The input clock is divided by 4 to produce the APB peripheral...

Re: LPC177x GPIO interrupt

Reply posted 4 years ago (10/05/2016)
Hi,Thanks for the reply.  I think I did all that:Configure the interrupt on both rising and falling edges:LPC_GPIOINT->IO0IntEnR |= (1 << INTERRUPT_PIN); LPC_GPIOINT->IO0IntEnF...

LPC177x GPIO interrupt

New thread started 4 years ago
I am struggling to get a #GPIO interrupt (port 0.3) working on an LPC1778 (#LPC1700).  I've checked online, including here, and I seem to be doing everything...

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