disturbance detection from a signal using microcontroller

//      POWER QUALITY MONITORING SYSTEM
// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;

sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
// End LCD module connections

char txt1[] = "DISRURBANCE";
char txt2[] = "DETECTION";

                            // Loop variable


float val,val1;//Declare the adcvalue stored variables
char uart_rd[50],uart_rd1[50];

void rmsv();
void adc_uart();//adc read and uart write
void main()
{
    TRISA=0XFF;//porta as input
    // ADCON1=0X81;
     UART1_Init(9600);               // Initialize UART module at 9600 bps
     //ADC_Init();
  Lcd_Init();                        // Initialize LCD

  Lcd_Cmd(_LCD_CLEAR);               // Clear display
  Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off
  Lcd_Out(1,1,txt1);                 // Write text in first row
  Lcd_Out(2,1,txt2);                 // Write text in first row

    while(1)
    {

           val= ADC_Read(0);
       val1=(val*318.0)/1023.0;
        FloatToStr(val1,uart_rd1);
       strncpy(uart_rd,uart_rd1,6);
       UART1_Write_Text(uart_rd1);

       //UART1_Write(10);
      UART1_Write(13);
      delay_ms(5);
    }

 }