查看“2.8inch Resistive Touch LCD”的源代码

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{{外围模块|colorscheme=blue
|name = 2.8inch Resistive Touch LCD
|img=[[File:2.8inch-Resistive-Touch-LCD-intro.jpg|360px |alt=2.8inch-Resistive-Touch-LCD | 2.8inch Resistive Touch LCD]]
|category1=LCD
|category2=显示屏
|brand=Waveshare
|feature-name1= 显示尺寸
|feature-value1=2.8英寸
|feature-name2= 分辨率
|feature-value2=320×240
| interface1 =SPI
| Product1 = [[1.3inch LCD Module]]
| Product2 = [[0.96inch LCD Module]]
}}

==产品概述==
2.8inch Resistive Touch LCD是一款有320×240分辩率，带电阻触摸，使用SPI控制的IPS显示屏。

=== 主要参数 ===
{| class="wikitable" style="text-align:center;"
|-
! 类别 !! 参数
|-
| 驱动芯片 || HX8347D/ST7789
|-
| 触控芯片 || XPT2046
|-
| 屏幕类型|| IPS
|-
| 通信接口|| SPI
|-
| 分辨率 || 320*240
|-
| 外形尺寸 || 79.8 × 50.8 mm
|-
| 显示尺寸 || 57.6 × 43.2mm
|-
| 显示颜色 || RGB·65K色
|-
| 触控方式 || 四线电阻式
|-
| 供电电压 || 5V
|-
| 逻辑电平 || 3.3V
|}

=== 接口定义 ===

{| class="wikitable" style="text-align:center;"
|-
! I/O!! 描述
|-
| 5V || 电源5V
|-
| GND || 电源地
|-
| MISO || SPI数据输出
|-
| MOSI || SPI数据输入
|-
| SCLK || SPI时钟信号
|-
| LCD_CS || LCD片选
|-
| LCD_DC || LCD数据/命令选择
|-
| LCD_RST || LCD复位信号
|-
| LCD_BL || LCD背光控制
|-
| TP_CS || 触摸面板片选
|-
| TP_IRQ || 触摸面板中断
|}

==例程演示==
#OpenX05R-C例程
#OpenM128例程
#Open103C例程
#Open16F877A/Open18F4520例程
<span style="color: red;">'''注意:液晶驱动先后使用了HX8347D,ST7789两种型号,默认使用ST7789,若您发现不能显示时,请先更改驱动程序'''</span>
<br\>更改驱动方法:打开LCD_Driver.h文件,将80行的#define ST7789_DEVICE注释,去掉81行的//#define HX8347_DEVICE注释,如下图所示<br\>

[[File:2.8inch_Resistive_Touch_LCD-011.png|400px|]]<br />

==='''OpenX05R-C'''===
==== 操作步骤 ====
#拔掉4个LED跳帽，2.8inch Resistive Touch LCD接入OpenX05R-C开发板
# 打开Open405R-C的TouchPanel项目文件，按F7编译后，按F8下载
#2.8inch Resistive Touch LCD显示：<br  /> Please use the stylus click the cross on the screen.The cross will always move until the screen adjustment is completed.
#用触控笔依次点击屏幕进行校准
# 完成后即可在屏幕上进行涂鸦
#更多演示请参考OpenX05R-C系列例程

==== 演示图 ====
[[File:2.8inch_Resistive_Touch_LCD-001.png|400px|通过串口模块接入电脑连接图]]<br />

==='''OpenM128例程'''===

==== 硬件连接 ====
{| class="wikitable" style="text-align:center;"
|-
! 2.8inch LCD!!OpenM128 
|-
| 5V || 5V
|-
| GND || GND
|-
| MISO||PB2/DIN
|-
|  MOSI||PB3/DOUT
|-
| SCLK||PB1/CLK
|-
| LCD_CS||PD6/CS
|-
|  LCD_DC||PB5/RS
|-
| LCD_RST|| PB6/RESET
|-
|LCD_BL||PE5/PWM
|-
| TP_CS||PB4
|-
| TP_IRQ||PE4/IRQ
|}<br \>
[[File:2.8inch_Resistive_Touch_LCD-005.png|600px]]

==== 操作步骤 ====
#完成LCD连接，ISP烧录器连接，电源连接<br \>
#使用Atmel Studio 7.0打开工程，[[AVR安装使用等系列教程请点击我参考]]<br \>
#先按F7编译，后按Ctrl+Alt+F5烧录<br \>

[[File:2.8inch_Resistive_Touch_LCD-004.png|400px]]

[[File:2.8inch_Resistive_Touch_LCD-003.jpg|400px]]

==='''Open103C'''===

==== 硬件连接 ====
{| class="wikitable" style="text-align:center;"
|-
! 2.8inch LCD !! Open103C
|-
| 5V || 5V
|-
| GND || GND
|-
| MISO || PB14
|-
| MOSI || PB15
|-
| SCLK || PB13
|-
| LCD_CS || PB12
|-
| LCD_DC|| PB8
|-
| LCD_RST || PB9
|-
| LCD_BL || PB0
|-
| TP_CS || PA15
|-
| TP_IRQ || PB1
|}
<br \>[[File:2.8inch_Resistive_Touch_LCD-006.png|600px|]]

==== 操作步骤 ====

#按上表和图连接2.8inch Resistive Touch LCD和Open103C
#Open103C连接ST/Link，连接5VDC，打开例程烧录程序
[[File:2.8inch_Resistive_Touch_LCD-007.png|400px]]

==='''Open16F877A/Open18F4520'''===
硬件连接
{| class="wikitable" style="text-align:center;"
|-
! 2.8inch LCD !! Open16F877A
|-
| 5V || 5V
|-
| GND || GND
|-
| MISO||RC4
|-
| MOSI||RC5
|-
| SCLK||RC3
|-
| LCD_CS||RA1
|-
| LCD_DC||RA2
|-
| LCD_RST||RD0
|-
| LCD_BL||3.3V
|-
| TP_CS||RA4
|-
| TP_IRQ||RA0
|}
<br \>[[File:2.8inch_Resistive_Touch_LCD-009.png|600px]]
操作步骤
#使用跳帽连接VCC和3.3V，使用PICkit3连接Open18F4520。
#将2.8inch Resistive Touch LCD接入Open18F4520的2.8inch LCD接口
#打开power开关，使用MPLAB X IDE v4.15打开工程并下载程序，[[不熟悉操作的用户可点击参考教程]]
[[File:2.8inch_Resistive_Touch_LCD-010.png|600px]]
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===文档===
*[https://{{SERVERNAME}}/w/upload/9/9e/2.8inch-Resistive-Touch-LCD-Schematic.pdf 原理图]<br>

===程序===
*[https://{{SERVERNAME}}/w/upload/6/6f/2.8inch_Resistive_Touch_LCD-Code.7z 示例程序]<br>

===软件===
*[https://{{SERVERNAME}}/w/upload/7/78/LcmZimo.zip lcd汉字取模软件]

===数据手册===
*[https://{{SERVERNAME}}/w/upload/0/09/HX8347-D_DS_T_preliminary_v01_081129.pdf  HX8347]
*[https://{{SERVERNAME}}/w/upload/b/b0/XPT2046.pdf  XPT2046]
*[https://{{SERVERNAME}}/w/upload/e/e3/74VHC125.pdf  74VHC125]



转到：[[#软件]]，[[#程序]]，[[#文档]]

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== FAQ ==
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