Exported Functions

Functions
uint8_t	BSP_TS_Init (uint16_t ts_SizeX, uint16_t ts_SizeY)
	Initialize and configures the touch screen functionalities and configures all necessary hardware resources (GPIOs, I2C, clocks..).
uint8_t	BSP_TS_DeInit (void)
	Deinitialize the TouchScreen.
uint8_t	BSP_TS_GetState (TS_StateTypeDef *TS_State)
	Return status and positions of the touch screen.
uint8_t	BSP_TS_GestureConfig (FunctionalState State)
	Configure gesture feature.
uint8_t	BSP_TS_Get_GestureId (TS_StateTypeDef *TS_State)
	Update gesture Id following a touch detected.
uint8_t	BSP_TS_ResetTouchData (TS_StateTypeDef *TS_State)
	Reset all touch data before a new acquisition of touch information.
uint8_t	BSP_TS_ITConfig (void)
	Configure and enable the touch screen interrupts.
uint8_t	BSP_TS_ITDisable (void)
	Deconfigure and disable the touch screen interrupts.
void	BSP_TS_ITClear (void)
	Clear all touch screen interrupts.
uint8_t	BSP_TS_ITGetStatus (void)
	Get the touch screen interrupt status.

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Function Documentation

uint8_t BSP_TS_DeInit

(

void

)

Deinitialize the TouchScreen.

Return values:

TS

state

Definition at line 139 of file stm32l4r9i_discovery_ts.c.

References TS_OK.

uint8_t BSP_TS_GestureConfig

(

FunctionalState

State

)

Configure gesture feature.

Parameters:

State,:

Enable/Disable gesture feature.

Return values:

TS_OK

if OK. Other value if error.

Definition at line 236 of file stm32l4r9i_discovery_ts.c.

References I2C_Address, and TS_OK.

uint8_t BSP_TS_Get_GestureId

(

TS_StateTypeDef *

TS_State

)

Update gesture Id following a touch detected.

Parameters:

TS_State,:

Pointer to touch screen current state structure

Return values:

TS_OK

if OK. Other value if error.

Definition at line 253 of file stm32l4r9i_discovery_ts.c.

References GEST_ID_DOUBLE_CLICK, GEST_ID_MOVE_DOWN, GEST_ID_MOVE_LEFT, GEST_ID_MOVE_RIGHT, GEST_ID_MOVE_UP, GEST_ID_NO_GESTURE, TS_StateTypeDef::gestureId, I2C_Address, TS_ERROR, and TS_OK.

uint8_t BSP_TS_GetState

(

TS_StateTypeDef *

TS_State

)

Return status and positions of the touch screen.

Parameters:

TS_State,:

Pointer to touch screen current state structure

Return values:

TS_OK

if OK. Other value if error.

Note:

FT3X67 doesn't support weight and area features (always 0 value returned).

Definition at line 151 of file stm32l4r9i_discovery_ts.c.

References HwRotation, I2C_Address, TOUCH_EVENT_CONTACT, TOUCH_EVENT_LIFT_UP, TOUCH_EVENT_NO_EVT, TOUCH_EVENT_PRESS_DOWN, TS_StateTypeDef::touchArea, TS_StateTypeDef::touchDetected, TS_StateTypeDef::touchEventId, TS_StateTypeDef::touchWeight, TS_StateTypeDef::touchX, TS_StateTypeDef::touchY, TS_ERROR, TS_MAX_NB_TOUCH, TS_OK, and tsDriver.

uint8_t BSP_TS_Init	(	uint16_t	ts_SizeX,
		uint16_t	ts_SizeY
	)

Initialize and configures the touch screen functionalities and configures all necessary hardware resources (GPIOs, I2C, clocks..).

Parameters:

ts_SizeX	: Maximum X size of the TS area on LCD
ts_SizeY	: Maximum Y size of the TS area on LCD

Return values:

TS_OK

if all initializations are OK. Other value if error.

Definition at line 103 of file stm32l4r9i_discovery_ts.c.

References HwRotation, I2C_Address, TS_DEVICE_NOT_FOUND, TS_I2C_ADDRESS, TS_IO_Read(), TS_OK, and tsDriver.

void BSP_TS_ITClear

(

void

)

Clear all touch screen interrupts.

Definition at line 356 of file stm32l4r9i_discovery_ts.c.

uint8_t BSP_TS_ITConfig

(

void

)

Configure and enable the touch screen interrupts.

Return values:

TS_OK

if OK. Other value if error.

Definition at line 325 of file stm32l4r9i_discovery_ts.c.

References BSP_IO_ConfigPin(), I2C_Address, MFX_IO_ITConfig(), TS_INT_PIN, TS_OK, and tsDriver.

uint8_t BSP_TS_ITDisable

(

void

)

Deconfigure and disable the touch screen interrupts.

Return values:

TS_OK

if OK. Other value if error.

Definition at line 342 of file stm32l4r9i_discovery_ts.c.

References BSP_IO_ConfigPin(), I2C_Address, TS_INT_PIN, TS_OK, and tsDriver.

uint8_t BSP_TS_ITGetStatus

(

void

)

Get the touch screen interrupt status.

Return values:

TS_OK

if OK. Other value if error.

Definition at line 365 of file stm32l4r9i_discovery_ts.c.

References TS_OK.

uint8_t BSP_TS_ResetTouchData

(

TS_StateTypeDef *

TS_State

)

Reset all touch data before a new acquisition of touch information.

Parameters:

TS_State,:

Pointer to touch screen current state structure

Return values:

TS_OK

if OK, TS_ERROR if problem found.

Definition at line 296 of file stm32l4r9i_discovery_ts.c.

References GEST_ID_NO_GESTURE, TS_StateTypeDef::gestureId, TOUCH_EVENT_NO_EVT, TS_StateTypeDef::touchArea, TS_StateTypeDef::touchDetected, TS_StateTypeDef::touchEventId, TS_StateTypeDef::touchWeight, TS_StateTypeDef::touchX, TS_StateTypeDef::touchY, TS_ERROR, TS_MAX_NB_TOUCH, and TS_OK.