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problem with timers of PIC in CCS

 
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rezaf



Joined: 12 Oct 2008
Posts: 7

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problem with timers of PIC in CCS
PostPosted: Sun Oct 12, 2008 7:16 am     Reply with quote
hi,
I am a new user of CCS and have problem with timers. I don't know how to use timer libraries. I don't know how to start timer, stop timer and save timer number in a variable. Please help me on the code below that don't work correct to correct, the counter of this code work properly but the formula answer is 0 I think the timer don't work correctly: very thanks.
Code:

void main()
{
long int x,a,b;
long int y,c;
float s,z;
   setup_adc_ports(NO_ANALOGS);
   setup_adc(ADC_OFF);
   setup_psp(PSP_DISABLED);
   setup_spi(FALSE);
   setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_256);
   setup_timer_1(T1_INTERNAL|T1_DIV_BY_8);
   setup_timer_2(T2_DIV_BY_16,255,16);

main:
{
#define timer1

    if( input(PIN_B4) )
    y=y+1;
    c=y;
    set_timer1(0);
    if (y==11);
    y==0;
    z=timer1
    s=(10.0/z);
    set_timer1(0);
    printf(" count :   %f    m/s \n\r" ,z);
    goto main;
     }
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Sun Oct 12, 2008 11:21 am     Reply with quote
Use Google to find tutorials on using the PIC Timers.

Timers: What you should know
http://www.ccsinfo.com/forum/viewtopic.php?t=22467

Microchip -- Timers Tutorial
http://ww1.microchip.com/downloads/en/DeviceDoc/51682A.pdf

Microchip -- Timers: Timer0 Tutorial (Part 2)
http://ww1.microchip.com/downloads/en/DeviceDoc/51702A.pdf
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