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void Main(void)
{
    while(1)
    {
    char aa; 
    Uart_Printf("\nEnter the 'Y' or 'y' to test:");
    aa= Uart_Getch();
    Uart_Printf("%c",aa);
        if((aa=='Y')||(aa=='y'))
          {
      (void (*)(void))Test_Iic();
          }
    }
}

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