Unit FT5x06Touch

Return to Unit Reference

Description

---

EDT FocalTech FT5x06 I2C Touchscreen Driver unit

The EDT FocalTech FT5x06 I2C controllers are a range of capacitive touchscreen controllers that include multipoint touch support and are used by a variety of small LCD displays. The exact features and capability of each device can be found by checking the datasheets which can be obtained online.

This driver is compatible with the following devices:

 edt,edt-ft5206       (5 touch points)
 edt,edt-ft5306       (5 touch points)
 edt,edt-ft5406       (5 touch points)
 edt,edt-ft5506       (10 touch points)
 evervision,ev-ft5726 (10 touch points)
 focaltech,ft6236     (2 touch points)

Constants

---

To be documented

Type definitions

---

To be documented

Public variables

---

To be documented

Function declarations

---

Initialization functions

[Expand]

procedure FT5X06Init;

Description: Initialize the FT5x06 Touch unit and parameters

Note	Called internally by other functions

FT5x06 functions

[Expand]

function FT5X06TouchCreate(I2C:PI2CDevice; Address:Word; Width,Height:LongWord; IRQ,RST:PGPIOInfo):PTouchDevice;

Description: Create, register and start a new FT5x06 Touch device connected to the specified I2C device

I2C	The I2C device this FT5x06 Touch device is connected to
Address	The I2C address for this FT5x06 Touch device
Width	The width of the screen in pixels (When set at TOUCH_ROTATION_0)
Height	The height of the screen in pixels (When set at TOUCH_ROTATION_0)
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new Touch device or nil on failure

[Expand]

function FT5X06TouchDestroy(Touch:PTouchDevice):LongWord;

Description: Stop, deregister and destroy a FT5x06 Touch device created by this driver

Touch	The Touch device to destroy
Return	ERROR_SUCCESS if completed or another error code on failure

FT5x06 touch functions

[Expand]

function FT5X06TouchStart(Touch:PTouchDevice):LongWord;

Description: Implementation of TouchDeviceStart API for FT5x06 Touch device

Note	Not intended to be called directly by applications, use TouchDeviceStart instead.

[Expand]

function FT5X06TouchStop(Touch:PTouchDevice):LongWord;

Description: Implementation of TouchDeviceStop API for FT5x06 Touch device

Note	Not intended to be called directly by applications, use TouchDeviceStop instead.

[Expand]

function FT5X06TouchUpdate(Touch:PTouchDevice):LongWord;

Description: Implementation of TouchDeviceUpdate API for FT5x06 Touch device

Note	Not intended to be called directly by applications, use TouchDeviceUpdate instead.

[Expand]

procedure FT5X06TouchTimer(Touch:PFT5X06Touch);

Description: Touch device timer event handler for FT5x06 Touch device

Note	Not intended to be called directly by applications

[Expand]

procedure FT5X06TouchCallback(Touch:PFT5X06Touch; Pin,Trigger:LongWord);

Description: Touch device event callback (Interrupt) handler for FT5x06 Touch device

Note	Not intended to be called directly by applications

Return to Unit Reference