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一、本次实验所需器材

1、Arduino UNO板 https://item.taobao.com/item.htm?spm=a1z10.5-c-s.w4002-15820725129.16.AtgoEm&id=545093340395

2、12864显示器（带中文字库）。

3、ADXL345加速度传感器：ADI公司推出的一款小而薄的低功耗3轴加速度计，分辨率高（13位），测量范围达±16g（1g显示数字为256）。数字输出数据为16位二进制补码格式，可通过SPI（3线或4线）或I2C数字接口访问。该系列传感器还有ADXL335、ADXL346等。这种传感器被广泛应用，如用来制作计步器（http://www.21ic.com/app/control/201011/69048.htm）等。

4、面包板：2个

5、电阻：1KΩ电阻2个。

二、硬件连接方法

1、arduino与12864液晶SPI连接方式的硬件连接图

2、adxl345的连接方法

三、实验过程

1、12864显示文字和图像

（1）12864在显示汉字时，需要用到汉字的内码，我使用的软件可从这里下载http://www.kuaipan.cn/file/id_749007936689913.htm?source=1。如汉字“开始”对应内码是BFAA和CABC，那么就转换成0xBF,0xAA,0xCA,0xBC。

（2）12864显示图像时，只能显示位图。一般图片可通过ps转换为位图，具体方法可百度。获取位图后，再利用图片取模软件（http://www.kuaipan.cn/file/id_749007936689914.htm?source=1）进行转化。如图片：

打开图片取模软件，首先进行参数设置，转出格式选C语言，输出大小128*64，点参数确认。

然后点载入图片，

点击数据保存，得到C语言文件：

/////////////////////////////////////////////////////////////////////////

// Bitmap点阵数据表                                                    //

// 图片: C:\..\24tttt88.bmp,横向取模左高位,数据排列:从左到右从上到下   //

// 图片尺寸: 128 * 64                                                  //

/////////////////////////////////////////////////////////////////////////

unsigned char code nBitmapDot[] =                  // 数据表

{

      0xFF,0x80,0x00,0x00,0x00,0x00,0x18,0x61,

      0x80,0x00,0x00,0x01,0xFE,0x70,0x00,0x00,

      0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x60,

      0xC0,0x00,0x00,0x08,0xFF,0xFA,0x40,0x08,

      0xDB,0xE0,0x00,0x00,0x00,0x00,0x00,0x60,

      0x60,0x00,0x00,0x07,0xFF,0xEF,0x80,0x00,

      0xFC,0xF0,0x00,0x00,0x00,0x00,0x00,0x60,

      0x20,0x00,0x00,0x07,0x4F,0xFF,0xC0,0x10,

      0xFC,0x10,0x00,0x00,0x00,0x00,0x00,0x40,

      0x20,0x00,0x00,0x00,0x7F,0xFF,0xD0,0x00,

      0x70,0x18,0x00,0x00,0x01,0xF8,0x00,0xC0,

      0x20,0x00,0x00,0x00,0xC3,0xBF,0xFF,0x80,

      0x58,0x5C,0x00,0x00,0x0F,0x00,0x01,0xC0,

      0x20,0x00,0x00,0x00,0xC3,0xFF,0xFF,0x00,

      0x18,0x0C,0x00,0x00,0x18,0x00,0x01,0x10,

      0x60,0x00,0x00,0x00,0x81,0xFF,0x80,0x00,

      0x10,0x00,0x00,0x00,0x60,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0xFD,0x80,0x00,

      0x30,0x00,0x00,0x00,0x80,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x01,0x7D,0xC0,0x00,

      0x38,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x31,0xC0,0x00,

      0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x18,0xC0,0x00,

      0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x30,0xC0,0x00,

      0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x30,0xC0,0x00,

      0x08,0x00,0x00,0x18,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x20,0xC0,0x00,

      0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x60,0xC0,0x00,

      0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x0B,0xA0,0x00,0x01,0xA0,0x00,

      0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x00,

      0x00,0x05,0x7F,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x00,

      0x00,0x1E,0x7F,0xF0,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x3A,0x00,0x80,0x00,0x00,

      0x00,0x3B,0x7F,0xF0,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x3D,0x00,0x00,0x00,0x00,

      0x00,0x2B,0x70,0xE0,0x00,0x08,0x00,0x00,

      0x00,0x00,0x00,0x1F,0x60,0x00,0x00,0x00,

      0x00,0x7E,0x3F,0x80,0x06,0x3C,0x00,0x00,

      0x00,0x00,0x00,0x0F,0xB6,0x40,0x00,0x00,

      0x00,0x9E,0x3E,0x00,0x0F,0xFE,0x00,0x00,

      0x00,0x00,0x00,0x0F,0xD7,0xF6,0x3F,0xE7,

      0x80,0xBF,0xBC,0x00,0x0F,0xFF,0x00,0x00,

      0x00,0x00,0x00,0x06,0xFF,0x3F,0xE6,0x7D,

      0xB0,0xFF,0xF8,0x00,0x03,0xFF,0x80,0x00,

      0x00,0x00,0x00,0x03,0xEE,0x66,0x67,0x7C,

      0xF8,0xEF,0xE0,0x00,0x00,0xFF,0x80,0x00,

      0xFF,0xC4,0x00,0x00,0x3F,0x5E,0x7E,0xDF,

      0xCF,0x3F,0xC0,0x00,0x00,0x1F,0xA0,0x00,

      0x69,0x7D,0xF0,0x00,0x2F,0xFE,0xE7,0xFF,

      0xFC,0x4F,0x80,0x00,0x00,0x0F,0x80,0x00,

      0xFB,0x3F,0xFC,0x00,0x0D,0xFF,0xE5,0x3F,

      0xFF,0xFE,0x00,0x00,0x00,0x03,0x80,0x00,

      0xFF,0xFF,0xFA,0x00,0x01,0xBF,0xF2,0xFF,

      0xFB,0xF8,0x00,0x00,0x00,0x07,0xC8,0x00,

      0xF7,0xFC,0x0F,0x80,0x00,0x3C,0xFD,0xFA,

      0xEF,0xF8,0x00,0x00,0x00,0x07,0xBE,0x00,

      0xFE,0x80,0x00,0xC0,0x00,0x05,0x2A,0xDF,

      0xFD,0xF8,0x00,0x00,0x00,0x07,0xFF,0xF5,

      0xC0,0x00,0x00,0x40,0x00,0x01,0x7D,0xFE,

      0x7F,0xE0,0x00,0x00,0x00,0x03,0xBF,0xCF,

      0x80,0x08,0x01,0x80,0x00,0x00,0x9F,0xDF,

      0xFE,0xE0,0x00,0x00,0x00,0x03,0xFF,0xFF,

      0x80,0x02,0x07,0x00,0x00,0x00,0x9F,0xF3,

      0xDF,0x40,0x00,0x00,0x00,0x01,0xFF,0xFD,

      0x88,0x00,0x14,0x00,0x00,0x00,0xDF,0xD6,

      0xF4,0x80,0x00,0x00,0x00,0x01,0xFF,0xFF,

      0x81,0xE6,0xE0,0x00,0x00,0x01,0xFF,0xCF,

      0xEC,0x80,0x00,0x00,0x00,0x01,0xFB,0xFF,

      0xE0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,

      0xFF,0x00,0x00,0x00,0x00,0x00,0xFD,0xFE,

      0xE0,0x00,0x00,0x00,0x00,0x01,0xDF,0xFF,

      0xF6,0x00,0x00,0x00,0x00,0x01,0xFF,0xFE,

      0xF0,0x00,0x00,0x00,0x00,0x01,0xFE,0x7F,

      0xF7,0x00,0x00,0x00,0x00,0x01,0xF7,0xFF,

      0xE0,0x00,0x00,0x00,0x00,0x0F,0xEE,0x20,

      0x11,0x00,0x00,0x00,0x00,0x01,0xF6,0xBF,

      0x78,0x00,0x00,0x00,0x00,0x0F,0xF9,0xBE,

      0x19,0x00,0x00,0x00,0x00,0x03,0xF7,0x9F,

      0x1C,0x00,0x00,0x00,0x00,0x0F,0xE0,0xBE,

      0x00,0x80,0x00,0x00,0x00,0x0E,0xF7,0x8F,

      0x0C,0x00,0x00,0x00,0x00,0x0F,0xC0,0x05,

      0x00,0x00,0x00,0x00,0x00,0x02,0x63,0x87,

      0x06,0x00,0x00,0x00,0x00,0x1E,0x00,0x05,

      0x00,0x00,0x00,0x00,0x00,0x00,0x23,0xC3,

      0x04,0x00,0x00,0x00,0x00,0x3C,0x00,0x87,

      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0xCF,

      0x06,0x00,0x00,0x00,0x00,0x70,0x00,0x07,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE5,

      0x02,0x00,0x00,0x00,0x00,0xF0,0x00,0x02,

      0x40,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,

      0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x67,

      0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC3,

      0x02,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC3,

      0x06,0x00,0x00,0x00,0x01,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xC3,

      0x06,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xC0,

      0x00,0x00,0x00,0x00,0x01,0xA0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x00,

      0x00,0x00,0x00,0x00,0x01,0xB0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x01,0x4C,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x1B,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x3F,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x01,0xF0,0x00,0x00,0x00,0x3D,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x13,0xF8,0x00,0x00,0x00,0x3D,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x07,0xF8,0x00,0x00,0x00,0x37,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x06,0x1F,0xC0,0x00,0x00,0x1F,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x1F,0x68,0x0B,0x80,0x01

};

这里的数据表，就是图片数据。

下面用12864显示上面的图片，代码如下：

#小五义：http://www.cnblogs.com/xiaowuyi
#include <LCD12864RSPI.h>

    /*

    LCD  Arduino

    PIN1 = GND

    PIN2 = 5V

    RS(CS) = 8;

    RW(SID)= 9;

    EN(CLK) = 3;

    PIN15 PSB = GND;

    */

#define AR_SIZE( a ) sizeof( a ) / sizeof( a[0] )

unsigned char show0[]={0xD0,0xA1,0xCE,0xE5,0xD2,0xE5};//小五义

unsigned char show1[]="http://www.cnblo";

unsigned char show2[]="gs.com/xiaowuyi";

unsigned char logo0[]={

      0xFF,0x80,0x00,0x00,0x00,0x00,0x18,0x61,

      0x80,0x00,0x00,0x01,0xFE,0x70,0x00,0x00,

      0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x60,

      0xC0,0x00,0x00,0x08,0xFF,0xFA,0x40,0x08,

      0xDB,0xE0,0x00,0x00,0x00,0x00,0x00,0x60,

      0x60,0x00,0x00,0x07,0xFF,0xEF,0x80,0x00,

      0xFC,0xF0,0x00,0x00,0x00,0x00,0x00,0x60,

      0x20,0x00,0x00,0x07,0x4F,0xFF,0xC0,0x10,

      0xFC,0x10,0x00,0x00,0x00,0x00,0x00,0x40,

      0x20,0x00,0x00,0x00,0x7F,0xFF,0xD0,0x00,

      0x70,0x18,0x00,0x00,0x01,0xF8,0x00,0xC0,

      0x20,0x00,0x00,0x00,0xC3,0xBF,0xFF,0x80,

      0x58,0x5C,0x00,0x00,0x0F,0x00,0x01,0xC0,

      0x20,0x00,0x00,0x00,0xC3,0xFF,0xFF,0x00,

      0x18,0x0C,0x00,0x00,0x18,0x00,0x01,0x10,

      0x60,0x00,0x00,0x00,0x81,0xFF,0x80,0x00,

      0x10,0x00,0x00,0x00,0x60,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0xFD,0x80,0x00,

      0x30,0x00,0x00,0x00,0x80,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x01,0x7D,0xC0,0x00,

      0x38,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x31,0xC0,0x00,

      0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x18,0xC0,0x00,

      0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x30,0xC0,0x00,

      0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x30,0xC0,0x00,

      0x08,0x00,0x00,0x18,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x20,0xC0,0x00,

      0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x60,0xC0,0x00,

      0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x0B,0xA0,0x00,0x01,0xA0,0x00,

      0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x00,

      0x00,0x05,0x7F,0x30,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x38,0x00,0x00,0x00,0x00,

      0x00,0x1E,0x7F,0xF0,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x3A,0x00,0x80,0x00,0x00,

      0x00,0x3B,0x7F,0xF0,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x3D,0x00,0x00,0x00,0x00,

      0x00,0x2B,0x70,0xE0,0x00,0x08,0x00,0x00,

      0x00,0x00,0x00,0x1F,0x60,0x00,0x00,0x00,

      0x00,0x7E,0x3F,0x80,0x06,0x3C,0x00,0x00,

      0x00,0x00,0x00,0x0F,0xB6,0x40,0x00,0x00,

      0x00,0x9E,0x3E,0x00,0x0F,0xFE,0x00,0x00,

      0x00,0x00,0x00,0x0F,0xD7,0xF6,0x3F,0xE7,

      0x80,0xBF,0xBC,0x00,0x0F,0xFF,0x00,0x00,

      0x00,0x00,0x00,0x06,0xFF,0x3F,0xE6,0x7D,

      0xB0,0xFF,0xF8,0x00,0x03,0xFF,0x80,0x00,

      0x00,0x00,0x00,0x03,0xEE,0x66,0x67,0x7C,

      0xF8,0xEF,0xE0,0x00,0x00,0xFF,0x80,0x00,

      0xFF,0xC4,0x00,0x00,0x3F,0x5E,0x7E,0xDF,

      0xCF,0x3F,0xC0,0x00,0x00,0x1F,0xA0,0x00,

      0x69,0x7D,0xF0,0x00,0x2F,0xFE,0xE7,0xFF,

      0xFC,0x4F,0x80,0x00,0x00,0x0F,0x80,0x00,

      0xFB,0x3F,0xFC,0x00,0x0D,0xFF,0xE5,0x3F,

      0xFF,0xFE,0x00,0x00,0x00,0x03,0x80,0x00,

      0xFF,0xFF,0xFA,0x00,0x01,0xBF,0xF2,0xFF,

      0xFB,0xF8,0x00,0x00,0x00,0x07,0xC8,0x00,

      0xF7,0xFC,0x0F,0x80,0x00,0x3C,0xFD,0xFA,

      0xEF,0xF8,0x00,0x00,0x00,0x07,0xBE,0x00,

      0xFE,0x80,0x00,0xC0,0x00,0x05,0x2A,0xDF,

      0xFD,0xF8,0x00,0x00,0x00,0x07,0xFF,0xF5,

      0xC0,0x00,0x00,0x40,0x00,0x01,0x7D,0xFE,

      0x7F,0xE0,0x00,0x00,0x00,0x03,0xBF,0xCF,

      0x80,0x08,0x01,0x80,0x00,0x00,0x9F,0xDF,

      0xFE,0xE0,0x00,0x00,0x00,0x03,0xFF,0xFF,

      0x80,0x02,0x07,0x00,0x00,0x00,0x9F,0xF3,

      0xDF,0x40,0x00,0x00,0x00,0x01,0xFF,0xFD,

      0x88,0x00,0x14,0x00,0x00,0x00,0xDF,0xD6,

      0xF4,0x80,0x00,0x00,0x00,0x01,0xFF,0xFF,

      0x81,0xE6,0xE0,0x00,0x00,0x01,0xFF,0xCF,

      0xEC,0x80,0x00,0x00,0x00,0x01,0xFB,0xFF,

      0xE0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,

      0xFF,0x00,0x00,0x00,0x00,0x00,0xFD,0xFE,

      0xE0,0x00,0x00,0x00,0x00,0x01,0xDF,0xFF,

      0xF6,0x00,0x00,0x00,0x00,0x01,0xFF,0xFE,

      0xF0,0x00,0x00,0x00,0x00,0x01,0xFE,0x7F,

      0xF7,0x00,0x00,0x00,0x00,0x01,0xF7,0xFF,

      0xE0,0x00,0x00,0x00,0x00,0x0F,0xEE,0x20,

      0x11,0x00,0x00,0x00,0x00,0x01,0xF6,0xBF,

      0x78,0x00,0x00,0x00,0x00,0x0F,0xF9,0xBE,

      0x19,0x00,0x00,0x00,0x00,0x03,0xF7,0x9F,

      0x1C,0x00,0x00,0x00,0x00,0x0F,0xE0,0xBE,

      0x00,0x80,0x00,0x00,0x00,0x0E,0xF7,0x8F,

      0x0C,0x00,0x00,0x00,0x00,0x0F,0xC0,0x05,

      0x00,0x00,0x00,0x00,0x00,0x02,0x63,0x87,

      0x06,0x00,0x00,0x00,0x00,0x1E,0x00,0x05,

      0x00,0x00,0x00,0x00,0x00,0x00,0x23,0xC3,

      0x04,0x00,0x00,0x00,0x00,0x3C,0x00,0x87,

      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0xCF,

      0x06,0x00,0x00,0x00,0x00,0x70,0x00,0x07,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE5,

      0x02,0x00,0x00,0x00,0x00,0xF0,0x00,0x02,

      0x40,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,

      0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x67,

      0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC3,

      0x02,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC3,

      0x06,0x00,0x00,0x00,0x01,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xC3,

      0x06,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xC0,

      0x00,0x00,0x00,0x00,0x01,0xA0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x00,

      0x00,0x00,0x00,0x00,0x01,0xB0,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x01,0x4C,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x1B,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x3F,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x01,0xF0,0x00,0x00,0x00,0x3D,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x13,0xF8,0x00,0x00,0x00,0x3D,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x07,0xF8,0x00,0x00,0x00,0x37,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x06,0x1F,0xC0,0x00,0x00,0x1F,

      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

      0x00,0x00,0x00,0x1F,0x68,0x0B,0x80,0x01

    };

 void setup()

    {

    LCDA.Initialise(); // 屏幕初始化

    delay();

    }

void loop()

    {

    LCDA.CLEAR();//清屏

    delay();

    LCDA.DisplayString(,,show0,AR_SIZE(show0));//第1行第1格开始，显示文字小五义

    //delay(1000);

    LCDA.DisplayString(,,show1,AR_SIZE(show1));//第2行第1格开始，显示文字www.cnblogs.com/xiaowuyi

    LCDA.DisplayString(,,show2,AR_SIZE(show2));

    delay();

    LCDA.CLEAR();//清屏

    delay();

    LCDA.DrawFullScreen(logo0);

    delay();

    }

这里用的LCD12864RSPI.h这个库是针对1.0以上版本IDE的，下载：http://www.kuaipan.cn/file/id_749007936689932.htm?source=1。

实现视频：

2、ADXL345获取加速度值

通过以下代码，12864显示器上会显示出X、Y、Z的值：

#小五义：http://www.cnblogs.com/xiaowuyi

#include <Wire.h>  //调用arduino自带的I2C库

#include <LCD12864RSPI.h>

#define Register_ID 0

#define Register_2D 0x2D

#define Register_X0 0x32

#define Register_X1 0x33

#define Register_Y0 0x34

#define Register_Y1 0x35

#define Register_Z0 0x36

#define Register_Z1 0x37

unsigned char showx[]="X=";

unsigned char showy[]="Y=";

unsigned char showz[]="Z=";

int ADXAddress = 0xA7>>;  //转换为7位地址

int reading = ;

int val = ;

int X0,X1,X_out;

int Y0,Y1,Y_out;

int Z1,Z0,Z_out;

double Xg,Yg,Zg;

void setup()

{

  LCDA.Initialise(); // 屏幕初始化

  delay();

  Wire.begin();  //初始化I2C

  delay();

  Wire.beginTransmission(ADXAddress);

  Wire.write(Register_2D);

  Wire.write();

  Wire.endTransmission();

}

void loop()

{

  double tempx=;

  char strx[];

  double tempy=;

  char stry[];

  double tempz=;

  char strz[];

  Wire.beginTransmission(ADXAddress);

  Wire.write(Register_X0);

  Wire.write(Register_X1);

  Wire.endTransmission();

  Wire.requestFrom(ADXAddress,);

  if(Wire.available()<=);

  {

    X0 = Wire.read();

    X1 = Wire.read();

    X1 = X1<<;

    X_out = X0+X1;

  }

  Wire.beginTransmission(ADXAddress);

  Wire.write(Register_Y0);

  Wire.write(Register_Y1);

  Wire.endTransmission();

  Wire.requestFrom(ADXAddress,);

  if(Wire.available()<=);

  {

    Y0 = Wire.read();

    Y1 = Wire.read();

    Y1 = Y1<<;

    Y_out = Y0+Y1;

  }

  Wire.beginTransmission(ADXAddress);

  Wire.write(Register_Z0);

  Wire.write(Register_Z1);

  Wire.endTransmission();

  Wire.requestFrom(ADXAddress,);

  if(Wire.available()<=);

  {

    Z0 = Wire.read();

    Z1 = Wire.read();

    Z1 = Z1<<;

    Z_out = Z0+Z1;

  }

  Xg = X_out/256.00;//把输出结果转换为重力加速度g,精确到小数点后2位。

  Yg = Y_out/256.00;

  Zg = Z_out/256.00;

  LCDA.CLEAR();//清屏

  LCDA.DisplayString(,,showx,);//使屏幕显示文字X=

  tempx=Xg;

  dtostrf(tempx,,,strx);

  LCDA.DisplayString(,,(unsigned char *)strx,);

  LCDA.DisplayString(,,showy,);//使屏幕显示文字Y=

  tempy=Yg;

  dtostrf(tempy,,,stry);

  LCDA.DisplayString(,,(unsigned char *)stry,);

  LCDA.DisplayString(,,showz,);//使屏幕显示文字Z=

  tempz=Zg;

  dtostrf(tempz,,,strz);

  LCDA.DisplayString(,,(unsigned char *)strz,);  

  delay();  //延时0.3秒，刷新频率这里进行调整

}

实现视频效果：

3、利用ADXL345实现重力感应效果

实验中，当向某一方向转动ADXL345模块时，12864屏幕会显示转动方向，如果能配合上动画效果会更加明显，这里只是用文字进行了显示。

代码如下：

#小五义：http://www.cnblogs.com/xiaowuyi
#include <Wire.h>  //调用arduino自带的I2C库

#include <LCD12864RSPI.h>

#define Register_ID 0

#define Register_2D 0x2D

#define Register_X0 0x32

#define Register_X1 0x33

#define Register_Y0 0x34

#define Register_Y1 0x35

#define Register_Z0 0x36

#define Register_Z1 0x37

#define AR_SIZE( a ) sizeof( a ) / sizeof( a[0] )

unsigned char show1x[]={0xBF,0xAA,0xCA,0xBC};

unsigned char logomid[]={0xD6,0xD0,0xD0,0xC4};

unsigned char logoleft[]={0xCF,0xF2,0xD7,0xF3};

unsigned char logoright[]={0xCF,0xF2,0xD3,0xD2};

unsigned char logoup[]={0xCF,0xF2,0xC9,0xCF};

unsigned char logodown[]={0xCF,0xF2,0xCF,0xC2};

unsigned char logoleftup[]={0xD7,0xF3,0xC9,0xCF};

unsigned char logorightup[]={0xD3,0xD2,0xC9,0xCF};

unsigned char logorightdown[]={0xD3,0xD2,0xCF,0xC2};

unsigned char logoleftdown[]={0xD7,0xF3,0xCF,0xC2};

int ADXAddress = 0xA7>>;  //转换为7位地址

int reading = ;

int val = ;

int X0,X1,X_out;

int Y0,Y1,Y_out;

int Z1,Z0,Z_out;

double Xg,Yg,Zg;

void setup()

{

  Serial.begin();//串口初始化

  LCDA.Initialise(); // 屏幕初始化

  delay();

  Wire.begin();  //初始化I2C

  delay();

  Wire.beginTransmission(ADXAddress);

  Wire.write(Register_2D);

  Wire.write();

  Wire.endTransmission();

}

void loop()

{

  double tempx=;

  char strx[];

  double tempy=;

  char stry[];

  double tempz=;

  char strz[];

  LCDA.CLEAR();//清屏

  LCDA.DisplayString(,,show1x,AR_SIZE(show1x));

  delay();

  while()

  {

    Wire.beginTransmission(ADXAddress);

    Wire.write(Register_X0);

    Wire.write(Register_X1);

    Wire.endTransmission();

    Wire.requestFrom(ADXAddress,);

    if(Wire.available()<=);

    {

      X0 = Wire.read();

      X1 = Wire.read();

      X1 = X1<<;

      X_out = X0+X1;

    }

    Wire.beginTransmission(ADXAddress);

    Wire.write(Register_Y0);

    Wire.write(Register_Y1);

    Wire.endTransmission();

    Wire.requestFrom(ADXAddress,);

    if(Wire.available()<=);

    {

      Y0 = Wire.read();

      Y1 = Wire.read();

      Y1 = Y1<<;

      Y_out = Y0+Y1;

    }

    Wire.beginTransmission(ADXAddress);

    Wire.write(Register_Z0);

    Wire.write(Register_Z1);

    Wire.endTransmission();

    Wire.requestFrom(ADXAddress,);

    if(Wire.available()<=);

    {

      Z0 = Wire.read();

      Z1 = Wire.read();

      Z1 = Z1<<;

      Z_out = Z0+Z1;

    }

    Xg = X_out/256.00;//把输出结果转换为重力加速度g,精确到小数点后2位。

    Yg = Y_out/256.00;

    Zg = Z_out/256.00;

    Serial.println("X:");

    Serial.println(Xg);

    Serial.println("Y:");

    Serial.println(Yg);

    LCDA.CLEAR();//清屏

    if (Xg>0.2 and Yg<0.2 and Yg>-0.2){

      LCDA.DisplayString(,,logoleft,AR_SIZE(logoleft));

      delay();

  //

    }

    if(Xg<-0.2 and Yg<0.2 and Yg>-0.2){

      LCDA.DisplayString(,,logoright,AR_SIZE(logoright));

      delay();

    }

    if (Xg<0.2 and Xg>-0.2 and Yg<0.2 and Yg>-0.2){

        LCDA.DisplayString(,,logomid,AR_SIZE(logomid));

        delay();

    }

    if (Xg<0.2 and Xg>-0.2 and Yg>0.2){

        LCDA.DisplayString(,,logoup,AR_SIZE(logoup));

        delay();

    }

    if (Xg<0.2 and Xg>-0.2 and Yg<-0.2){

        LCDA.DisplayString(,,logodown,AR_SIZE(logodown));

        delay();

    }

    if (Xg>0.2 and Yg<-0.2){

        LCDA.DisplayString(,,logoleftdown,AR_SIZE(logoleftdown));

        delay();

    }

    if (Xg>0.2 and Yg>0.2){

        LCDA.DisplayString(,,logoleftup,AR_SIZE(logoleftup));

        delay();

    }

    if (Xg<-0.2 and Yg<-0.2){

        LCDA.DisplayString(,,logorightdown,AR_SIZE(logorightdown));

        delay();

    }

    if (Xg<-0.2 and Yg>0.2){

        LCDA.DisplayString(,,logorightup,AR_SIZE(logorightup));

        delay();

    }

  }

}

实验效果：

从视频来看，当ADXL345模块平放在桌面时，屏幕显示中心，当向上、下、左、右等八个方向转动时，屏幕会依次显示向上、向下、向左、向右等。

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