If there are no transitions on the input how does toggling TOSE generate pulses? On 14 October 2016 at 00:06, Kerry wrote: > I use a different trick. > > 1) Make sure no more pulses will occur on the input by making it an > output or analog input. > 2) Toggle the TOSE bit to generate pulses to the counter until it counts. > > Kerry > > > On 10/13/2016 4:28 PM, Denny Esterline wrote: > > Fuzzy memory says it was in one of the Tips 'n Tricks books. Run signal > > though a AND gate, second gate input hooked to a digital output pin. > > Connect another output pin to the counter input pin, - I think there wa= s > a > > resistor from the gate to the counter input to avoid contention. > > In use- after count time, pull the control line to the AND gate low, th= en > > clock the other pin while checking the count register. If you count how > > many pulses it takes to see the count register change, and you know the > > prescaler setting, a little math gets you to the value that was in the > > prescaler register. > > > > > > -Denny > > > > > > > > On Thu, Oct 13, 2016 at 12:37 PM, wrote: > > > >> Yeah, it seems to me you count clock cycles until you get an > interrupt, > >> then subtract that number from 255. That will give you the starting > >> count of TMR0. > >> > >> > >> Regards, > >> > >> Jim > >> > >>> -------- Original Message -------- > >>> Subject: [PIC] Timer0 prescaler > >>> From: David C Brown > >>> Date: Thu, October 13, 2016 2:08 pm > >>> To: "Microcontroller discussion list - Public." > >>> > >>> > >>> ISTR an application showing how you could deduce the value in this > >> register > >>> (mid range PICS such as 'F88) but cannot find it now. Anyone help? > >>> > >>> -- > >>> __________________________________________ > >>> David C Brown > >>> 43 Bings Road > >>> Whaley Bridge > >>> High Peak Phone: 01663 733236 > >>> Derbyshire eMail: dcb.home@gmail.com > >>> SK23 7ND web: www.bings-knowle.co.uk/dcb > >>> > >>> > >>> > >>> > >>> *Sent from my etch-a-sketch* > >>> -- > >>> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >>> View/change your membership options at > >>> http://mailman.mit.edu/mailman/listinfo/piclist > >> -- > >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > >> View/change your membership options at > >> http://mailman.mit.edu/mailman/listinfo/piclist > >> > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .