DeviceSTMPE811

STMPE811 S-Touch advanced resistive touchscreen controller device driver

Const

REG_CHIP_ID*        = 000H;

REG_ID_VER*         = 002H;

REG_SYS_CTRL1*      = 003H;

REG_SYS_CTRL2*      = 004H;

REG_SPI_CFG*        = 008H;

REG_INT_CTRL*       = 009H;

REG_INT_EN*         = 00AH;

REG_INT_STA*        = 00BH;

REG_GPIO_EN*        = 00CH;

REG_GPIO_INT_STA*   = 00DH;

REG_ADC_INT_EN*     = 00EH;

REG_ADC_INT_STA*    = 00FH;

REG_GPIO_SET_PIN*   = 010H;

REG_GPIO_CLR_PIN*   = 011H;

REG_GPIO_MP_STA*    = 012H;

REG_GPIO_DIR*       = 013H;

REG_GPIO_ED*        = 014H;

REG_GPIO_RE*        = 015H;

REG_GPIO_FE*        = 016H;

REG_GPIO_AF*        = 017H;

REG_ADC_CTRL1*      = 020H;

REG_ADC_CTRL2*      = 021H;

REG_ADC_CAPT*       = 022H;

REG_ADC_DATA_CH0*   = 030H;

REG_ADC_DATA_CH1*   = 032H;

REG_ADC_DATA_CH2*   = 034H;

REG_ADC_DATA_CH3*   = 036H;

REG_ADC_DATA_CH4*   = 038H;

REG_ADC_DATA_CH5*   = 03AH;

REG_ADC_DATA_CH6*   = 03CH;

REG_ADC_DATA_CH7*   = 03EH;

REG_TSC_CTRL*       = 040H;

REG_TSC_CFG*        = 041H;

REG_WDW_TR_X*       = 042H;

REG_WDW_TR_Y*       = 044H;

REG_WDW_BL_X*       = 046H;

REG_WDW_BL_Y*       = 048H;

REG_FIFO_TH*        = 04AH;

REG_FIFO_STA*       = 04BH;

REG_FIFO_SIZE*      = 04CH;

REG_TSC_DATA_X*     = 04DH;

REG_TSC_DATA_Y*     = 04FH;

REG_TSC_DATA_Z*     = 051H;

REG_TSC_DATA_XYZ*   = 052H;

REG_TSC_FRACTION_Z* = 056H;

REG_TSC_DATA*       = 057H;

REG_TSC_I_DRIVE*    = 058H;

REG_TSC_SHIELD*     = 059H;

REG_TEMP_CTRL*      = 060H;

REG_TEMP_DATA*      = 061H;

REG_TEMP_TH*        = 062H;

REG_TSC_DATA_NINC*  = 0D7H;

HIBERNATE*          = 0;

SOFT_RESET*         = 1;

ADC_OFF*            = 0;

TSC_OFF*            = 1;

GPIO_OFF*           = 2;

TS_OFF*             = 3;

SPI_CLK_MOD0*       = 0;

SPI_CLK_MOD1*       = 1;

AUTO_INCR*          = 2;

GLOBAL_INT*         = 0;

INT_TYPE*           = 1;

INT_POLARITY*       = 2;

INT_EN_TOUCH_DET*   = 0;

INT_EN_FIFO_TH*     = 1;

INT_EN_FIFO_OFLOW*  = 2;

INT_EN_FIFO_FULL*   = 3;

INT_EN_FIFO_EMPTY*  = 4;

INT_EN_TEMP_SENS*   = 5;

INT_EN_ADC*         = 6;

INT_EN_GPIO*        = 7;

INT_STA_TOUCH_DET*   = 0;

INT_STA_FIFO_TH*     = 1;

INT_STA_FIFO_OFLOW*  = 2;

INT_STA_FIFO_FULL*   = 3;

INT_STA_FIFO_EMPTY*  = 4;

INT_STA_TEMP_SENS*   = 5;

INT_STA_ADC*         = 6;

INT_STA_GPIO*        = 7;

REF_SEL*             = 1;

MOD_12B*             = 3;

SAMPLE_TIME0*        = 4;

SAMPLE_TIME1*        = 5;

SAMPLE_TIME2*        = 6;

ADC_FREQ0*           = 0;

ADC_FREQ1*           = 1;

TSC_EN*              = 0;

OP_MOD0*             = 1;

OP_MOD1*             = 2;

OP_MOD2*             = 3;

TRACK0*              = 4;

TRACK1*              = 5;

TRACK2*              = 6;

TSC_STA*             = 7;

SETTLING0*           = 0;

SETTLING1*           = 1;

SETTLING2*           = 2;

TOUCH_DET_DELAY0*    = 3;

TOUCH_DET_DELAY1*    = 4;

TOUCH_DET_DELAY2*    = 5;

AVE_CTRL0*           = 6;

AVE_CTRL1*           = 7;

FIFO_RESET*          = 0;

FIFO_TH_TRIG*        = 4;

FIFO_EMPTY*          = 5;

FIFO_FULL*           = 6;

FIFO_OFLOW*          = 7;

FRACTION_Z0*         = 0;

FRACTION_Z1*         = 1;

FRACTION_Z2*         = 2;

DRIVE0*              = 0;

SHIELD0*             = 0;

SHIELD1*             = 1;

SHIELD2*             = 2;

SHIELD3*             = 3;

TEMP_ENABLE*         = 0;

TEMP_ACQ*            = 1;

TEMP_ACQ_MOD*        = 2;

TEMP_THRES_EN*       = 3;

TEMP_THRES_RANGE*    = 4;

Device* = RECORD
        bus* : PtrBus;
        adr* : INTEGER;
        error* : INTEGER;
    END;

Initialize driver

PROCEDURE Init* (VAR dev : Device; VAR bus: BusI2C.Bus; adr : INTEGER);

Write register with data.

PROCEDURE (VAR this : Device) WriteData* (register, data : BYTE);

Write register with data.

PROCEDURE (VAR this : Device) WriteRegister* (register : BYTE; data : SET8);

Read register data.

PROCEDURE (VAR this : Device) ReadData* (register : BYTE): BYTE;

Read register data.

PROCEDURE (VAR this : Device) ReadRegister* (register : BYTE): SET8;

Read 16bit register data. Return TRUE on success

PROCEDURE (VAR this : Device) ReadData16* (register : BYTE): UNSIGNED16;

Read Device Identification.

PROCEDURE (VAR this : Device) ReadDeviceId* (): UNSIGNED16;

Reset device.

PROCEDURE (VAR this : Device) Reset* ();

Enable touch interrupt on INT pin.

PROCEDURE (VAR this : Device) EnableTouchInterrupt* ();

Clear pending interrupts

PROCEDURE (VAR this : Device) ClearInterrupts* ();

Reset FIFO.

PROCEDURE (VAR this : Device) ResetFIFO* ();

Config

PROCEDURE (VAR this : Device) Config* ();

Return TRUE if we have touch data

PROCEDURE (VAR this : Device) HasTouchData* (): BOOLEAN;

Return TRUE if we have touch data

PROCEDURE (VAR this : Device) ReadXY* (VAR x, y : UNSIGNED16);