interfacing buzzer with lpc2148

[Sadanand Patel]

this is my code for buzzer interfaced with lpc 2148 its not working can anyone help??




#include<lpc214x.h>
void Delay(unsigned char msec);

int main()
{
IODIR0=(1<<11);

while(1)

{
IOCLR0=(1<<11); //0x00000800;
Delay(100);
IOSET0=(1<<11); //0x00000800;
Delay(100);
}
}

void Delay(unsigned char msec)

{
unsigned int i,j;
for(i=0;i<msec;i++)
for(j=0;j<60000;j++);
}