Unit HX8357D

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Description

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The Himax HX8357D is a 320 x 480 RGB, 16M color TFT LCD Single Chip Driver that supports color depths of 16, 18 or 24bit. This driver supports the chip in both 16 and 24 bit depths using RGB888 or RGB565 formats.

The chip provides an SPI interface at up to 32MHz and supports rotations of 0, 90, 180 and 270 degrees.

Constants

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To be documented

Type definitions

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To be documented

Public variables

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To be documented

Function declarations

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HX8357D functions

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function HX8357DFramebufferCreate(SPI:PSPIDevice; ChipSelect:Word; const Name:String; Rotation,Width,Height:LongWord; RST,DC,BL:PGPIOInfo):PFramebufferDevice;

Description: Create, register and allocate a new HX8357D Framebuffer device which can be accessed using the framebuffer API

SPI	The SPI device that this HX8357D is connected to
ChipSelect	The SPI chip select to use when communicating with this device
Name	The text description of this device which will should in the device list (Optional)
Rotaion	The rotation value for the framebuffer device (eg FRAMEBUFFER_ROTATION_180)
Width	The width of the framebuffer in pixels
Height	The height of the framebuffer in pixels
RST	GPIO pin information for the Reset pin (Optional)
DC	GPIO pin information for the Data/Command pin
BL	GPIO pin information for the Backlight pin (Optional)
Return	Pointer to the new Framebuffer device or nil if the framebuffer device could not be created

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function HX8357DFramebufferDestroy(Framebuffer:PFramebufferDevice):LongWord;

Description: Release, deregister and destroy an HX8357D Framebuffer device created by this driver

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

HX8357D framebuffer functions

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function HX8357DFramebufferBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;

Description: Implementation of FramebufferDeviceBlank API for HX8357D

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

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function HX8357DFramebufferSetBacklight(Framebuffer:PFramebufferDevice; Brightness:LongWord):LongWord;

Description: Implementation of FramebufferDeviceSetBacklight API for HX8357D

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

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