/*
- weather-sci.c
- Olamide Adabonyan / Philip Lechowicz
- o_mide@yahoo.com / phillech@aol.com
*/


/*-----------------------InChar----------------------------
  Input one character from SCI terminal
  Inputs: none    Outputs: ASCII character 
-----------------------------------------------------------*/
char InChar(void)
{
	while ((SCSR & RDRF) == 0){};
	return(SCDR);
}

/*-----------------------OutChar----------------------------
  Output one character to SCI terminal
  Inputs: ASCII character    Outputs: none
-----------------------------------------------------------*/
void OutChar(char data)
{
	while ((SCSR & TDRE) == 0);
	SCDR = data;
}

/*-------------------------InStatus-------------------------
   Checks if new input is ready, TRUE if new input is ready
-----------------------------------------------------------*/
unsigned char InStatus(void)	
{
	return(SCSR & RDRF);
}


/*-----------------------OutStatus--------------------------
  Checks if output data buffer is empty, TRUE if empty 
-----------------------------------------------------------*/
unsigned char OutStatus(void)	
{
	return(SCSR & TDRE);
}


/*-----------------------OutUDec----------------------------
  Output a 16 bit number in unsigned decimal format
  Variable format 1 to 5 digits with no space before or after
  This function uses recursion to convert a decimal number of 
  unspecified length as an ASCII string
-----------------------------------------------------------*/
void OutUDec(unsigned int number)
{
	if (number>=10)
	{
		OutUDec(number/10);
		OutUDec(number%10);
	}
	else
		OutChar(number+'0');
}


/*------------------------Start of OutString---------------
   Output String (NULL termination)
-----------------------------------------------------------*/
void OutString(char *pt)
{
	char letter;
    while (letter=*pt++)
       OutChar(letter);
}