notepad.c

dsPIC30F4011 + 4*4 metrix Keypad(flexible pin I/O) + Timer0 service >> MPLAB Project files &

struct status
{
   unsigned UARTIntTxBufferFull  :1;
   unsigned UARTIntTxBufferEmpty :1;
   unsigned UARTIntRxBufferFull  :1;
   unsigned UARTIntRxBufferEmpty :1;
   unsigned UARTIntRxOverFlow :1;
   unsigned UARTIntRxError:1;                
};

extern struct status vUARTIntStatus;



struct tagKeypad
  {
   unsigned char keyBusy  : 1;
   unsigned char keyLeave : 1;
   unsigned char keyPress : 1;
   unsigned char keyFlag  : 1;
  } volatile KeyPADstatus;

    KeyPADstatus.keyLeave = 0;