do {counter++;} while (dataready!=0)

do {counter++;} while (dataready!=0)

while (dataready!=0) {counter++;}

for (dataready=1;dataready!=0;)  {counter++;}

do {counter++;} while (dataready!=0)

while (1) do
{
         dataready=0;
      AT91C_BASE_TC1->TC_CCR = AT91C_TC_SWTRG;
      AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
          AT91C_BASE_TC2->TC_CCR = AT91C_TC_SWTRG;
        
        do
          {
                  UpperCounter++;    
          } while (dataready==0);

      for (i=8; i!=0; i--)
      {
            digit=(UpperCounter%10);
            UpperCounter=UpperCounter/10;
            infdd[i-1]='0'+digit;
          }
          
      pCDC.Write(&pCDC, infdd,10);    
}

02819021
02819063
02819016
02819050
02819045
02819016
02819033
02819027
02819060
02819061
02819053

void AT91F_USB_Open(void)
{
    AT91C_BASE_CKGR->CKGR_PLLR |= AT91C_CKGR_USBDIV_1;
    AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UDP;
    AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UDP);
    AT91F_PIO_CfgOutput(AT91C_BASE_PIOA,AT91C_PIO_PA16);
    AT91F_PIO_ClearOutput(AT91C_BASE_PIOA,AT91C_PIO_PA16);
    AT91F_CDC_Open(&pCDC, AT91C_BASE_UDP);
}

void AT91F_TC_Open ( AT91PS_TC TC_pt, unsigned int Mode, unsigned int TimerId)
{
        TC_pt->TC_CCR = AT91C_TC_CLKDIS;
    TC_pt->TC_IDR = 0xFFFFFFFF;
    TC_pt->TC_CMR = Mode;
    TC_pt->TC_CCR = AT91C_TC_CLKEN;
}


void TC0_ISREntry( void )
{
unsigned long STATUS = AT91C_BASE_TC0->TC_SR;
AT91C_BASE_AIC->AIC_IVR = 0;
AT91C_BASE_AIC->AIC_ICCR = (1 << AT91C_ID_TC0);
dataready=1;
AT91C_BASE_AIC->AIC_EOICR = 0;
}


int main ( void )
{

    AT91C_BASE_RSTC->RSTC_RMR = AT91C_RSTC_URSTEN | (0x4<<8) | (unsigned int)(0xA5<<24);
     AT91F_PMC_EnablePeriphClock ( AT91C_BASE_PMC, (1 << AT91C_ID_PIOA) | (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1) | (1 << AT91C_ID_TC2));

    

    AT91F_PIO_CfgOutput( AT91C_BASE_PIOA, LED_MASK );
    AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_MASK );
    AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED1 );
    


   AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC2XC2S_TIOA1; //(1<<5)|(1<<6);    
    
    
   infdd[12]='\r';
   infdd[13]='\n';

    AT91F_USB_Open();
    while (!pCDC.IsConfigured(&pCDC));
    

//AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC0);
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
AT91C_BASE_TC0->TC_IDR = 0xFFFFFFFF;
AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV5_CLOCK | AT91C_TC_CPCTRG;
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKEN;
AT91C_BASE_TC0->TC_RC = 46800;  // MCK / 1024 = 47,4МГц / 1024 => 1 сек
AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
AT91C_BASE_TC0->TC_IER = AT91C_TC_CPCS;

AT91C_BASE_AIC->AIC_IDCR = (1 << AT91C_ID_TC0);
AT91C_BASE_AIC->AIC_SVR[AT91C_ID_TC0] = (unsigned int) TC0_ISREntry;
AT91C_BASE_AIC->AIC_SMR[AT91C_ID_TC0] = AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL | 0x3;
         AT91C_BASE_AIC->AIC_ICCR = (1 << AT91C_ID_TC0);
         AT91C_BASE_AIC->AIC_IECR = (1 << AT91C_ID_TC0);
    
              dataready=0;
              
   AT91F_TC_Open(AT91C_BASE_TC1,13 << 15 | 7,AT91C_ID_TC1);
   AT91F_TC_Open(AT91C_BASE_TC2,0x7,AT91C_ID_TC1);