STM32469I Discovery TS Exported Functions

Functions
uint8_t	BSP_TS_Init (uint16_t ts_SizeX, uint16_t ts_SizeY)
	Initializes and configures the touch screen functionalities and configures all necessary hardware resources (GPIOs, I2C, clocks..).
uint8_t	BSP_TS_GetState (TS_StateTypeDef *TS_State)
	Returns status and positions of the touch screen.
uint8_t	BSP_TS_ITConfig (void)
	Configures and enables the touch screen interrupts both at GPIO level and in TouchScreen IC driver configuration.
void	BSP_TS_INT_MspInit (void)
	Initializes the TS_INT pin MSP.

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Function Documentation

uint8_t BSP_TS_GetState

(

TS_StateTypeDef *

TS_State

)

Returns status and positions of the touch screen.

Parameters:

TS_State,:

Pointer to touch screen current state structure

Return values:

TS_OK

if all initializations are OK. Other value if error.

Definition at line 251 of file stm32469i_discovery_ts.c.

References I2C_Address, TOUCH_EVENT_CONTACT, TOUCH_EVENT_LIFT_UP, TOUCH_EVENT_NO_EVT, TOUCH_EVENT_PRESS_DOWN, TS_StateTypeDef::touchDetected, TS_StateTypeDef::touchX, TS_StateTypeDef::touchY, ts_driver, TS_ERROR, TS_MAX_NB_TOUCH, TS_OK, ts_orientation, TS_SWAP_X, TS_SWAP_XY, and TS_SWAP_Y.

uint8_t BSP_TS_Init	(	uint16_t	ts_SizeX,
		uint16_t	ts_SizeY
	)

Initializes 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 164 of file stm32469i_discovery_ts.c.

References I2C_Address, TS_DEVICE_NOT_FOUND, ts_driver, TS_I2C_ADDRESS, TS_OK, ts_orientation, TS_SWAP_NONE, TS_SWAP_XY, and TS_SWAP_Y.

void BSP_TS_INT_MspInit

(

void

)

Initializes the TS_INT pin MSP.

Definition at line 437 of file stm32469i_discovery_ts.c.

References TS_INT_GPIO_CLK_ENABLE, TS_INT_GPIO_PORT, and TS_INT_PIN.

Referenced by BSP_TS_ITConfig().

uint8_t BSP_TS_ITConfig

(

void

)

Configures and enables the touch screen interrupts both at GPIO level and in TouchScreen IC driver configuration.

Return values:

TS_OK

if all initializations are OK.

Definition at line 217 of file stm32469i_discovery_ts.c.

References BSP_TS_INT_MspInit(), I2C_Address, ts_driver, TS_INT_EXTI_IRQn, TS_INT_GPIO_PORT, TS_INT_PIN, and TS_OK.