Serial port

Functions
int	SerialOpen (int baud)
	Open and initialise the serial port with a specific baud rate. More...
void	SerialFlush (int fd)
	Flush the serial buffers (both tx & rx) More...
void	SerialClose (int fd)
	Closes the serial port characterized by device number fd. More...
void	SerialPutchar (int fd, unsigned char c)
	Send a single character to the serial port. More...
void	SerialPuts (int fd, char *s)
	Send a string to the serial port. More...
void	SerialPrintf (int fd, char const *message,...)
	Printf over Serial Port. More...
int	SerialDataAvail (int fd)
	Return the number of bytes of data avalable to be read from the serial port. More...
int	SerialGetchar (int fd)
	Get a single character from the serial device. Note: Zero is a valid character and this function will time-out after 10 seconds. More...

Detailed Description

These functions let you communicate with the CAP1203 capacitive touch controller

Function Documentation

void SerialClose

(

int

fd

)

Closes the serial port characterized by device number fd.

Parameters

fd	device file number

Returns

none

Definition at line 135 of file Serial.c.

int SerialDataAvail

(

int

fd

)

Return the number of bytes of data avalable to be read from the serial port.

Parameters

fd	Device file number

Returns

result Number of bytes available from the serial port.

Definition at line 185 of file Serial.c.

void SerialFlush

(

int

fd

)

Flush the serial buffers (both tx & rx)

Parameters

fd	Device file number

Returns

none

Definition at line 125 of file Serial.c.

int SerialGetchar

(

int

fd

)

Get a single character from the serial device. Note: Zero is a valid character and this function will time-out after 10 seconds.

Parameters

fd	device file number

Returns

ch Serial Char received

Definition at line 201 of file Serial.c.

int SerialOpen

(

int

baud

)

Open and initialise the serial port with a specific baud rate.

Parameters

baud	Baud rate for port ttyAMA0

Returns

fd device file number

Definition at line 51 of file Serial.c.

void SerialPrintf	(	int	fd,
		char const *	message,
			...
	)

Printf over Serial Port.

Parameters

fd	device file number
*message	String array

Returns

none

Definition at line 168 of file Serial.c.

void SerialPutchar	(	int	fd,
		unsigned char	c
	)

Send a single character to the serial port.

Parameters

fd	device file number
c	Single chracter to be sent over the serial port.

Returns

none

Definition at line 146 of file Serial.c.

void SerialPuts	(	int	fd,
		char *	s
	)

Send a string to the serial port.

Parameters

fd	Device file number.
s	Array of characters to be sent over the serial port.

Returns

none

Definition at line 157 of file Serial.c.