Soft uart with pic12f1501

[anjalimidhuna]

i am trying to send a data using soft uart with pic12f1501.i wrote the program as follows.while checking the output using pickit2 UART tool, it doesn't receive any data.
plz correct my code.

void main()
{
    char i;
    OSCCON=0b01111010;
    while(HFIOFS==0);             
    portinit();                    
    intrinit();                      
    timer0init();                   
    pwminit();                    
    flag1=0;
    flag2=0;
    duty=0;
    while(1)
    {
          if(flag1==1)
          {
             __delay_ms(30);
             ID_LED=0;
             flag1=0;
          }
          if(flag2==1)
          {
              for(i=0;i<DEVICE_ID;i++)
             {
                ID_LED=1;
                __delay_ms(300);
                ID_LED=0;
                __delay_ms(300);
             }
             flag2=0;
          }
          PWM1DCH=(duty>>2)&0x3F;
          PWM1DCL=(duty<<6)&0xC0;
    }
}

and the isr

void interrupt isr()                // ISR
{ 
 if(IOCAF5==1)
    {
        datavalue=UARTread();
        asm("nop");
        asm("nop");
        asm("nop");
        asm("nop");
        UARTwrite(datavalue);
        asm("nop");
        asm("nop");
        asm("nop");
        asm("nop");
        if(RA3==1)
        {
            update(datavalue);
            flag1=1;
        }
        else
        {
            DEVICE_ID=(datavalue>>4&0x0F);
            flag2=1;
        }
        IOCAF5=0;

    }
}