GSM-LPC2148

#include<lpc21xx.h>
void int_uart0()
{
 U0FCR=0x07;
 U0LCR=0x83;
 U0DLL=98;
 U0LCR=0x03;

}
void uart0_send(unsigned char data)
{
 U0THR=data;
 while((U0LSR&0x40)==0);
}
void uart_msg(unsigned char *msg)
{
 while(*msg)
 {
  uart0_send(*msg);
  msg++;
 }
}
void delay(int time)
{
 int i,j;
 for(i=0;i<time;i++)
 for(j=0;j<5000;j++);
}
void gsmcmdcall()
{
    uart_msg("ATD8888788412;\r\n");
 delay(20000);
 uart_msg("ATH\r");
 delay(5000);
}
void msg()
{
 uart_msg("HELLO WORLD VIVEK HERE");
}
void gsmsms()
{
uart_msg("AT+CMGF=1\r\n");
delay(150);
uart_msg("AT+CSCS=\"GSM\"\r\n");
delay(150);
uart_msg("AT+CMGS=\"8888788412\"\r\n");
delay(150);
msg();
uart0_send(0x1A);
delay(150);
}
    
main()
{
PINSEL0=0x00000005;
int_uart0();
gsmcmdcall();
delay(200);
gsmsms();

}