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参数资料
| 型号： | AC164127-7 |
| 厂商： | Microchip Technology |
| 文件页数： | 22/34页 |
| 文件大小： | 0K |
| 描述： | BOARD DISPLAY CTLR PLUS S1D13517 |
| 特色产品： | AC164127-7 Graphics Controller |
| 标准包装： | 1 |
| 系列： | PICtail™ Plus |
| 主要目的： | 显示器，LCD 控制器 |
| 已用 IC / 零件： | S1D13517 |
| 主要属性： | 与 PIC32 入门套件和 Explorer 16 开发板一起使用 |
| 已供物品： | 板 |
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AN1368
DISPLAY DEVICE DRIVER LAYER
Every hardware display controller has its own set of
commands and status information. Therefore, separate
software drivers are needed for each supported display
controller, which fulfills the requirements of the display
driver and the standard APIs defined by the Graphics
Library. The list of supported drivers can be found in the
Graphics Library Help file. To know if a display module is
supported, check if the display driver inside the display
module is available in the above mentioned folder.
The main function provided by this layer is the
initialization of the driver using the API
ResetDevice() , painting a pixel using APIs,
SetColor(color) and PitPixel(x, y) , and
knowing the color of a pixel using the API
GetPixel(x, y ). The other functionalities provided
are, for example, setting up of clipping area, getting the
maximum x and y values for a display screen, etc. An
application can be written using only this layer without
using any higher layers. In that case, all the shapes
must be drawn by the user. To include this layer, the
following files must be added to the project:
HEADER FILES
Graphics.h
DisplayDriver.h or specific <Driver.h>
(like SSD1926.h)
CONFIGURATION FILES
HardwareProfile.h
GraphicsConfig.h
These files are project-specific and must be inside the
project folder.
SOURCE FILES
Specific <Driver.c> (like SSD1926.c)
DS01368A-page 22
GRAPHIC PRIMITIVE LAYER
This is a layer above the Display Driver layer and
provides most common services through APIs, which
are used to draw basic shapes, for instance, line
(normal, thick, dashed), bar, rectangle, circle, polygon,
bevel and arc. It also provides APIs for drawing text
and images. These are generic APIs which work with
any given display driver. However, some of these APIs
may be implemented by the Driver layer for optimized
performance, especially if the driver supports 2D-
Accelerations (For example, the Microchip Graphics
module and SSD1926). It is possible to write simple
applications by using Primitive and Driver layers only
and without using higher layers. To include this layer,
the following files must be added to the project:
HEADER FILES
Primitive.h
SOURCE FILES
Primitive.c
GRAPHIC OBJECT LAYER (GOL)
The GOL consists of many selectable objects, called
‘widgets’, such as Button, TextBox, Check Box,
ScrollBar, ProgressBar, Picture, ListBox, GroupBox,
Meter, DigitalMeter, Dial, Chart and Grid, which form
the basic elements of a complex graphics application.
Each of these widgets is implemented in ‘C’, but with
basic object-oriented principles, and can be used as
modules. Use of this layer must be enabled at compile
time in the ‘ GraphicsConfig.h ’ file. The use of
individual widgets can be enabled or disabled during
compile time in the ‘ GraphicsConfig.h ’ file, thereby
saving RAM and ROM. For more information, see the
“Configuration” section.
Each kind of widget has a default style scheme which
defines the font and the colors used for various parts
and states of the widget. For example, a button in a
pressed state has a different color than the released
button. The style scheme for each widget is explained
in detail in the Help file of the Microchip Graphics
Library. For each style scheme, some heap memory
(dynamically allocated memory) is required to store the
style scheme values. Heap is required to store the state
information for each enabled widget. The total heap
must be greater than the sum of heaps for all the
instances of used widgets. Aside from the heap
requirement, each widget type also needs to use RAM
space for variables when rendering and managing the
widgets. This additional RAM requirement is a constant
overhead for each type of widget. The difference
between the two is that the heap requirement is needed
for each instance of a widget, while the RAM
requirement is needed for each type of widget. The
RAM requirement is constant and not dependent on the
number of instances of one type of widget.
? 2011 Microchip Technology Inc.
相关PDF资料 |
PDF描述 |
|---|---|
| 0982661103 | CBL 39POS 0.5MM JMPR TYPE A 4" |
| MT2000-3.0-X-SP | HEAT SHRINK TUBING |
| ISL6506ACBZ-T | IC PWR SUPPLY CTRLR/MONITR 8SOIC |
| REC5-4815DRW/H4/C | CONV DC/DC 5W 36-72VIN +/-15VOUT |
| 0982661102 | CBL 39POS 0.5MM JMPR TYPE D 4" |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AC164127-8 | 功能描述:子卡和OEM板 Graph Display Truly 5.7" 640x480 Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164127-9 | 功能描述:子卡和OEM板 Graphics Display 7" 800x480 Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164128 | 功能描述:子卡和OEM板 dsPICDEM Motor Cntrl PICtail Plus RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164129 | 功能描述:子卡和OEM板 Audio PICtail Plus Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164130 | 功能描述:网络开发工具 ECAN/LIN PICtail Plus Daughter Board RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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