mini12864图: mini12864可配合取模软件及各种单片机可完成中文汉字、英文字符和图形显示,更适合Arduino做显示相关的互动作品,该mini液晶屏成本相对较低,适用于各类仪器,小型设备的显示领域。 由于LCD驱动IC众多,这里我们仅以OPENJUMPER的mini12864LCD为例教学,其他的LCD,你只需找到不同的库来驱动即可。 下面按步骤来驱动mini12864显示图片: 第一步:下载取模软件 字模提取V2.2.zip (512.81 KB) (下载次数: 3866, 2012-8-29 10:35 上传) 第二步:处理图片,把你想要mini12864显示的图片,用软件处理为128*64的.bmp图 如图: 第三步:使用取模软件 1、打开取模软件,新建图像,选择宽度128,高度64 2、打开你的图片,将做好的分辨率为128*64的.bmp图导入 3、反向取模,由于此处用的液晶点阵为反向显示,这里的取模须反向取模。(取消这一步,使用程序库里函数也可以达到此效果反向显示) 4、生成数组,并复制下面的数组 第四步:下载库文件 Lcd12864.zip (2.65 KB) (下载次数: 4430, 2012-8-29 14:44 上传) ,安装在arduino安装文件的libraries下面,打开IDE,敲入下面示例代码。 第五步:复制刚才生成的数组,取代 bmp3[1024]里面的所有数组,编译并下载到您的arduino里。 [mw_shl_code=c,true]#include "Lcd12864.h" #include "SPI.h" unsigned char const bmp3[1024]={ 0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,0xF0,0x30,0x30,0x30,0x30,0x30,0x30,0x30, 0xF0,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; void setup() { lcd12864 x; x.LcmInit(); } void loop() { lcd12864 x; x.PUTBMP(bmp3); //液晶点阵正向显示1秒 delay(1000); x.PUTREVERSEBMP(bmp3); //反向显示1秒 delay(1000); }[/mw_shl_code] 第六步:mini12864与arduino之间的接线。 CS—— 8 //片选 低有效 RST—— 9 //给芯片复位,低有效,如果不需软件给芯片复位,可不连接 A0——10 //数据和命令选择,L 命令 H 数据 CLK——13 //时钟 MOSI——11 //数据 GND——GND //电源接线 VCC——5V LED——背光选择 //低有效 显示效果: |