STM32446E_EVAL BSP User Manual: STM32446E EVAL TS Private Functions

STM32446E EVAL BSP Drivers

STM32446E_EVAL BSP User Manual
STM32446E EVAL TS Private Functions

Functions

uint8_t BSP_TS_Init (uint16_t xSize, uint16_t ySize)
 Initializes and configures the touch screen functionalities and configures all necessary hardware resources (GPIOs, clocks..).
uint8_t BSP_TS_DeInit (void)
 DeInitializes the TouchScreen.
uint8_t BSP_TS_ITEnable (void)
 Enables the touch screen interrupts.
uint8_t BSP_TS_ITDisable (void)
 Disables the touch screen interrupts.
uint8_t BSP_TS_ITConfig (void)
 Configures and enables the touch screen interrupts.
void BSP_TS_ITClear (void)
 Clears all touch screen interrupts.
uint8_t BSP_TS_ITGetStatus (void)
 Gets the touch screen interrupt status.
void BSP_TS_FIFOClear (void)
 Clears touch screen FIFO containing 128 x,y values.
uint8_t BSP_TS_GetState (TS_StateTypeDef *TS_State)
 Returns status and positions of the touch screen.

Function Documentation

uint8_t BSP_TS_DeInit ( void  )

DeInitializes the TouchScreen.

Return values:
TSstate

Definition at line 174 of file stm32446e_eval_ts.c.

References TS_OK.

void BSP_TS_FIFOClear ( void  )

Clears touch screen FIFO containing 128 x,y values.

Definition at line 239 of file stm32446e_eval_ts.c.

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_OKif all initializations are OK. Other value if error.

Definition at line 253 of file stm32446e_eval_ts.c.

References AddressI2C, TS_StateTypeDef::TouchDetected, ts_driver, TS_OK, TS_SWAP_X, TS_SWAP_XY, TS_SWAP_Y, tsBundaryX, tsBundaryY, tsOrientation, TS_StateTypeDef::x, and TS_StateTypeDef::y.

uint8_t BSP_TS_Init ( uint16_t  xSize,
uint16_t  ySize 
)

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

Parameters:
xSize,:Maximum X size of the TS area on LCD
ySize,:Maximum Y size of the TS area on LCD
Return values:
TS_OKif all initializations are OK. Other value if error.

Definition at line 142 of file stm32446e_eval_ts.c.

References AddressI2C, BSP_IO_Init(), IO_I2C_ADDRESS, ts_driver, TS_I2C_ADDRESS, TS_OK, TS_SWAP_NONE, tsBundaryX, tsBundaryY, and tsOrientation.

void BSP_TS_ITClear ( void  )

Clears all touch screen interrupts.

Definition at line 220 of file stm32446e_eval_ts.c.

References AddressI2C, and ts_driver.

uint8_t BSP_TS_ITConfig ( void  )

Configures and enables the touch screen interrupts.

Return values:
TS_OKif all initializations are OK. Other value if error.

Definition at line 206 of file stm32446e_eval_ts.c.

References AddressI2C, BSP_IO_Init(), ts_driver, and TS_OK.

uint8_t BSP_TS_ITDisable ( void  )

Disables the touch screen interrupts.

Return values:
TS_OKif all initializations are OK. Other value if error.

Definition at line 195 of file stm32446e_eval_ts.c.

References AddressI2C, ts_driver, and TS_OK.

uint8_t BSP_TS_ITEnable ( void  )

Enables the touch screen interrupts.

Return values:
TS_OKif all initializations are OK. Other value if error.

Definition at line 184 of file stm32446e_eval_ts.c.

References AddressI2C, ts_driver, and TS_OK.

uint8_t BSP_TS_ITGetStatus ( void  )

Gets the touch screen interrupt status.

Return values:
TS_OKif all initializations are OK. Other value if error.

Definition at line 230 of file stm32446e_eval_ts.c.

References AddressI2C, and ts_driver.

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