Timer1 and 67k22

curt2go · Joined: 21 Nov 2003 Posts: 200

I am either missing something in the documentation or just having an off day. I am using the SOSC to run the timer1 for a real time clock. I need the clock to keep running when in sleep(); I thought this was possible but it is not triggering the interrupt in sleep(); This is what I am using to initialise the Timer1. Any help would be great. Thanx guys.

Compiler verison is 5.056.

temtronic · Posted: Fri Jan 13, 2017 11:35 am

You NEED to post your program, not just one line ! We have NO idea if you've enabled the timer interrupt. That one line does NOT enable the timer1 interrupt capability of the PIC.

Jay

curt2go · Joined: 21 Nov 2003 Posts: 200

Well this happens to me all the time. I post a question and then i look at what I posted, try a couple things and then i figure it out.

Problem solved. should not have had T1_EXTERNAL_SYNC just T1_EXTERNAL.

curt2go · Joined: 21 Nov 2003 Posts: 200

Sorry I should have stated that the interrupt was working fine. Just not when i put the PIC to sleep. But I have it now.

Ttelmah · Joined: 11 Mar 2010 Posts: 19446

Well done.
Makes sense if you think about it. Using 'sync', the clock is synchronised to transitions of the master oscillator. Asleep, this is off....