qsm.h File Reference

QSM functions. More...

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Functions
void	sciinit (long baud)
int	havebyte (void)
char	inbyte (void)
void	outbyte (char tx)
int	sendingbyte (void)

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Detailed Description

This file contains the global function prototypes for QSM support in libqsm.

To use the functions defined in this file, include <68332/qsm.h> and link libqsm.a.

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Function Documentation

void sciinit (  long  baud  )

Initialize asynchronous serial communications. Parameters: baud  Baud rate.

int havebyte (  void   )

Check if there's a character waiting to be read that has been received via the serial port. Returns: Nonzero if there is a character waiting to be read.

char inbyte (  void   )

Read a character that has been received via the serial port. Returns: The received byte.

void outbyte (  char  tx  )

Transmits a character via the serial port. Parameters: tx  The byte to transmit.

int sendingbyte (  void   )

Checks whether the serial port is currently transmitting a byte. Returns: Nonzero if the serial port is still transmitting.

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