Unit ILI9340
From Ultibo.org
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Description
The ILITEK ILI9340 is a 240x320 Resolution RGB 262K color TFT LCD Single Chip Driver that supports color depths of 16 or 18bit. This driver supports the chip only in 16 bit depth using RGB565 format.
The chip provides an SPI interface at up to 32MHz and supports rotations of 0, 90, 180 and 270 degrees.
Constants
To be documented
Type definitions
To be documented
Public variables
To be documented
Function declarations
ILI9340 functions
function ILI9340FramebufferCreate(SPI:PSPIDevice; ChipSelect:Word; const Name:String; Rotation,Width,Height:LongWord; RST,DC,BL:PGPIOInfo):PFramebufferDevice;
Description: Create, register and allocate a new ILI9340 Framebuffer device which can be accessed using the framebuffer API
| SPI | The SPI device that this ILI9340 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) |
| Rotation | 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 |
function ILI9340FramebufferDestroy(Framebuffer:PFramebufferDevice):LongWord;
Description: Release, deregister and destroy an ILI9340 Framebuffer device created by this driver
| Framebuffer | The Framebuffer device to destroy |
|---|---|
| Return | ERROR_SUCCESS if completed or another error code on failure |
ILI9340 framebuffer functions
function ILI9340FramebufferBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;
Description: Implementation of FramebufferDeviceBlank API for ILI9340
| Note | Not intended to be called directly by applications, use FramebufferDeviceBlank instead |
|---|
function ILI9340FramebufferSetBacklight(Framebuffer:PFramebufferDevice; Brightness:LongWord):LongWord;
Description: Implementation of FramebufferDeviceSetBacklight API for ILI9340
| Note | Not intended to be called directly by applications, use FramebufferDeviceSetBacklight instead |
|---|
ILI9340 TFT framebuffer functions
function ILI9340TFTFramebufferInitialize(Framebuffer:PTFTFramebuffer; Defaults:PFramebufferProperties):LongWord;
Description: Implementation of TFTFramebufferInitialize API for ILI9340
| Note | Not intended to be called directly by applications |
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function ILI9340TFTFramebufferDeinitialize(Framebuffer:PTFTFramebuffer):LongWord;
Description: Implementation of TFTFramebufferDeinitialize API for ILI9340
| Note | Not intended to be called directly by applications |
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function ILI9340TFTFramebufferGetDefaults(Framebuffer:PTFTFramebuffer; Properties,Defaults:PFramebufferProperties):LongWord;
Description: Implementation of TFTFramebufferGetDefaults API for ILI9340
| Note | Not intended to be called directly by applications |
|---|
function ILI9340TFTFramebufferSetWriteAddress(Framebuffer:PTFTFramebuffer; X1,Y1,X2,Y2:LongWord):LongWord;
Description: Implementation of TFTFramebufferSetWriteAddress API for ILI9340
| Note | Not intended to be called directly by applications |
|---|
function ILI9340TFTFramebufferWriteMemory(Framebuffer:PTFTFramebuffer; Address,Size:LongWord):LongWord;
Description: Implementation of TFTFramebufferWriteMemory API for ILI9340
| Note | Not intended to be called directly by applications |
|---|
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