uart string to binary

void main(){
            char output[7];
int i,rot;
trisb=0x00;
portb=0x00;

UART1_Init(9600);

while(1){

     //  Initialize string with all '\0'
        for(i=0; i<7; i++)
            output[i] = '\0';

        if (!UART1_Data_Ready());        // if there is UART character in buffer
          UART1_Read_Text(output, "m", 255);   // read input from uart

        for(i=0; i<7; i++)
          portb=  output[i] <<1;
}

void main()
      {
       char output[7];
       int i,rot;
       trisb=0x00;
       portb=0x00;
 
       UART1_Init(9600);

      while(1){

     //  Initialize string with all '\0'
        for(i=0; i<7; i++)
            output[i] = '\0';

        if (!UART1_Data_Ready());        // if there is UART character in buffer
          UART1_Read_Text(output, "m", 255);   // read input from uart

        for(i=0; i<7; i++)
          portb=  output[i] <<1;
      } //<---- HERE
}