#include <lpc214x.h>
int i;
void T1isr(void) __irq;
void _PLL (void);
void _MAM (void);
int main(void)
{
int j;
i=0;
_PLL();
_MAM();
PINSEL1 =0x00000C00; //p0.21 vibran kak zahvat//
T1PR = 0x00000001; //Load prescaler for 1 Msec tick
T1TCR = 0x00000002; //Reset counter and prescaler
T1CCR = 0x00000A00; //Capture on rising edge of channe0.0
T1TCR = 0x00000001; //enable timer
VICVectAddr5 = (unsigned)T1isr; //Set the timer ISR vector address
VICVectCntl5 = 0x00000025; //Set channel
VICIntEnable = 0x00000020; //Enable the interrupt
IODIR0 =0x00000C00; //set p.10 and p.11 outputs
IO0SET =0x0C00;
j=0;
while(1)
{
if (i==250)
{
IO0CLR = 0x0400;
}
VICIntEnable = 0x00000020; //Enable the interrupt
for (j = 0; j < 500000; j++ ); // wait 500 msec
IO0CLR =0x0800;
for (j = 0; j < 500000; j++ ); // wait 500 msec
IO0SET =0x0800;
}

}

void _PLL (void)
{
PLL0CFG = 0x00000024; // ystanavliv koef ymnojenia i delenia for poluchenia chastoti 60MHz
PLL0CON = 0x00000001; // vkluchaem PLL
PLL0FEED = 0x000000AA; // obnovliaem registri
PLL0FEED = 0x00000055;
while (!(PLL0STAT& 0x00000400));// proveraiem flag lock
PLL0CON = 0x00000003; // podkluchaem PLL
PLL0FEED = 0x000000AA; // obnovliaem registri Pll
PLL0FEED = 0x00000055;
VPBDIV = 0x00000002; // Yctanablivaem chastotu chini VPB=30MHz
}
void _MAM (void)
{
MAMCR = 0x00000000;
MAMTIM = 0x00000004;
MAMCR = 0x00000002;
}
void T1isr (void) __irq
{
VICIntEnClr = 0x00000020;
i++;
T1IR = 0x00000080;
VICVectAddr = 0x00000024; //Dummy write to signal end of interrupt

}