EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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Data Structures | |
struct | TOUCH_Config_TypeDef |
struct | TOUCH_Pos_TypeDef |
Macros | |
#define | TOUCH_INIT_DEFAULT |
Typedefs | |
typedef void( | TOUCH_Upcall_TypeDef) (TOUCH_Pos_TypeDef *) |
Functions | |
int | TOUCH_CalibrationTable (POINT *displayPtr, POINT *screenPtr) |
Set calibration table. More... | |
TOUCH_Pos_TypeDef * | TOUCH_GetPos (void) |
Returns current touch position and state. More... | |
void | TOUCH_Init (TOUCH_Config_TypeDef *config) |
Initialize touch panel driver. More... | |
int | TOUCH_IsBusy (void) |
Check status of the touch panel. More... | |
void | TOUCH_RegisterUpcall (TOUCH_Upcall_TypeDef *new_upcall) |
Register upcall which will be call every position or state change. More... | |
#define TOUCH_INIT_DEFAULT |
typedef void( TOUCH_Upcall_TypeDef) (TOUCH_Pos_TypeDef *) |
int TOUCH_CalibrationTable | ( | POINT * | displayPtr, |
POINT * | screenPtr | ||
) |
Set calibration table.
[in] | displayPtr | Table of display points |
[in] | screenPtr | Table of adc values reflecting display points |
Definition at line 410 of file touch.c.
References calibrationMatrix.
TOUCH_Pos_TypeDef* TOUCH_GetPos | ( | void | ) |
Returns current touch position and state.
Definition at line 372 of file touch.c.
References ADC0, ADC_IF_SINGLE, ADC_IntDisable(), ADC_IntEnable(), TOUCH_Pos_TypeDef::adcx, TOUCH_Pos_TypeDef::adcy, TOUCH_Pos_TypeDef::pen, TOUCH_Pos_TypeDef::x, and TOUCH_Pos_TypeDef::y.
void TOUCH_Init | ( | TOUCH_Config_TypeDef * | config | ) |
Initialize touch panel driver.
config | Driver configuration data. |
Definition at line 340 of file touch.c.
References _ADC_IF_MASK, ADC0, ADC0_IRQn, ADC_IF_SINGLE, ADC_Init(), ADC_INIT_DEFAULT, ADC_InitSingle(), ADC_IntClear(), ADC_IntDisable(), ADC_IntEnable(), ADC_PrescaleCalc(), ADC_Start(), ADC_Y, adcRefVDD, adcResOVS, adcStartSingle, BSP_PeripheralAccess(), BSP_TOUCH, CMU_ClockEnable(), cmuClock_ADC0, TOUCH_Config_TypeDef::frequency, TOUCH_Config_TypeDef::ignore, ADC_InitSingle_TypeDef::input, TOUCH_Config_TypeDef::oversampling, ADC_Init_TypeDef::ovsRateSel, ADC_Init_TypeDef::prescale, ADC_InitSingle_TypeDef::reference, and ADC_InitSingle_TypeDef::resolution.
int TOUCH_IsBusy | ( | void | ) |
Check status of the touch panel.
Definition at line 318 of file touch.c.
References GPIO_PinInGet(), TOUCH_X2_PIN, and TOUCH_X2_PORT.
void TOUCH_RegisterUpcall | ( | TOUCH_Upcall_TypeDef * | new_upcall | ) |