Functions
void	exc7200_Init (uint16_t DeviceAddr)
	Initialize the exc7200 and configure the needed hardware resources. More...

void	exc7200_Reset (uint16_t DeviceAddr)
	Reset the exc7200 by Software. More...

uint16_t	exc7200_ReadID (uint16_t DeviceAddr)
	Read the exc7200 IO Expander device ID. More...

void	exc7200_TS_Start (uint16_t DeviceAddr)
	Configures the touch Screen Controller (Single point detection) More...

uint8_t	exc7200_TS_DetectTouch (uint16_t DeviceAddr)
	Return if there is touch detected or not. More...

void	exc7200_TS_GetXY (uint16_t DeviceAddr, uint16_t X, uint16_t Y)
	Get the touch screen X and Y positions values. More...

void	exc7200_TS_EnableIT (uint16_t DeviceAddr)
	Configure the selected source to generate a global interrupt or not. More...

void	exc7200_TS_DisableIT (uint16_t DeviceAddr)
	Configure the selected source to generate a global interrupt or not. More...

uint8_t	exc7200_TS_ITStatus (uint16_t DeviceAddr)
	Configure the selected source to generate a global interrupt or not. More...

void	exc7200_TS_ClearIT (uint16_t DeviceAddr)
	Configure the selected source to generate a global interrupt or not. More...

Detailed Description

Function Documentation

void exc7200_Init ( uint16_t DeviceAddr )

Initialize the exc7200 and configure the needed hardware resources.

exc7200 Control functions

Parameters

DeviceAddr Device address on communication Bus.

Return values

None

Definition at line 118 of file exc7200.c.

uint16_t exc7200_ReadID ( uint16_t DeviceAddr )

Read the exc7200 IO Expander device ID.

Parameters

DeviceAddr Device address on communication Bus.

Return values

The	Device ID (two bytes).

Definition at line 140 of file exc7200.c.

void exc7200_Reset ( uint16_t DeviceAddr )

Reset the exc7200 by Software.

Parameters

DeviceAddr Device address on communication Bus.

Return values

None

Definition at line 130 of file exc7200.c.

void exc7200_TS_ClearIT ( uint16_t DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters

DeviceAddr Device address on communication Bus.

Return values

None

Definition at line 223 of file exc7200.c.

uint8_t exc7200_TS_DetectTouch ( uint16_t DeviceAddr )

Return if there is touch detected or not.

Parameters

DeviceAddr Device address on communication Bus.

Return values

Touch detected state.

Definition at line 159 of file exc7200.c.

void exc7200_TS_DisableIT ( uint16_t DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters

DeviceAddr Device address on communication Bus.

Return values

None

Definition at line 204 of file exc7200.c.

void exc7200_TS_EnableIT ( uint16_t DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters

DeviceAddr Device address on communication Bus.

Return values

None

Definition at line 195 of file exc7200.c.

void exc7200_TS_GetXY	(	uint16_t	DeviceAddr,
		uint16_t *	X,
		uint16_t *	Y
	)

Get the touch screen X and Y positions values.

Parameters

DeviceAddr	Device address on communication Bus.
X	Pointer to X position value
Y	Pointer to Y position value

Return values

None.

Definition at line 180 of file exc7200.c.

uint8_t exc7200_TS_ITStatus ( uint16_t DeviceAddr )

Configure the selected source to generate a global interrupt or not.

Parameters

DeviceAddr Device address on communication Bus.

Return values

TS	interrupts status

Definition at line 213 of file exc7200.c.

void exc7200_TS_Start ( uint16_t DeviceAddr )

Configures the touch Screen Controller (Single point detection)

Parameters

DeviceAddr Device address on communication Bus.

Return values

None.

Definition at line 150 of file exc7200.c.

Functions

Detailed Description

Function Documentation