“SKU:RB-05L007A LCD12864液晶摇杆扩展板”的版本间的差异
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===例子程序=== | ===例子程序=== | ||
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#define cs_mini12864 2 //片选 低电平片选 | #define cs_mini12864 2 //片选 低电平片选 |
2018年10月15日 (一) 16:21的版本
目录 |
产品概述
奥松机器人推出的LCD 12864液晶摇杆扩展板采用全新12864G-0088液晶屏为主体显示器件。此扩展板采用Arduino叠层板设计理念,可直接插接到Arduino UNO、Arduino mega328、Arduino mega2560、Arduino ADK控制器上使用,可以清晰显示中文、英文、字符、图片等;板上添加五向微型摇杆,方便实现人机互动;同时本板还具有5个模拟扩展接口和8个字扩展接口;其中各数字接口均分别用黑色、红色、黄色排针来区别电源地、电源正极和信号IO管脚;即方便操作又具有防呆的作用;而且扩展接口可连接各种传感器模块,如温度湿度传感器、三轴加速度计等,是制作显示互动作品不可获缺的显示器。
规格参数
- 产品名称:LCD12864液晶摇杆扩展版
- 产品货号:RB-05L007A
- 工作电压:3.3V
- 点阵:128x64
- 视窗尺寸:39.8mm x25.5mm
- 显示颜色:白色背光黑色文字
- 工作温度:0°C~+85°C
- 数据类型:数字输入
- 尺寸:70mm x 53mm
接口定义
- S:信号接口
- V:电源正极
- G/GND:电源地
- RST:同Arduino复位接口
- 3V3:同Arduino 3.3V接口
- VCC:同Arduino 5V接口
- VIN:同Arduino VIN接口
使用方法
连接示意图
如图所示,将12864液晶摇杆扩展板与 Arduino 控制器连接在一起
例子程序
#define cs_mini12864 2 //片选 低电平片选 #define rst_mini12864 3 //物理重置.低电平有效 #define rs_mini12864 4 //寄存器选择 1:数据寄存器 0:指令寄存器 #define sck_mini12864 5 //时钟 #define sda_mini12864 6 //数据 //上面的脚可以自己修改 #define Display 0xAF //显示开启 #define Power 0x2F //电源全开 #define VO 0x24 //对比度调节 #define AllPoint 0xA4 //非全屏显示 #define ADCset 0xA1 //负向,131-4 #define COMset 0xc0 //com0-com63 #define ELECTVO 0x81 //亮度调节 调节颜色 不同的模块需要不同的 ELECTSET #define ELECTSET 0x2a //亮度数值 调节颜色 不同的模块需要不同的 数值 #define BIASSET 0xA2 //占空比1/9 unsigned char ao[]={0x00,0x00,0xFC,0x04,0x54,0xE6,0x45,0xF4,0x44,0xE4,0x54,0x04,0xFC,0x00,0x00,0x00, 0x88,0x88,0x4B,0x48,0x29,0x28,0x18,0x0D,0x18,0x28,0x29,0x48,0x4B,0x88,0x88,0x00};/*"奥",0*/ unsigned char song[]={0x10,0x10,0xD0,0xFF,0x90,0x10,0x80,0x60,0x1E,0x00,0xE0,0x07,0x18,0x60,0x80,0x00, 0x04,0x03,0x00,0xFF,0x00,0x03,0x20,0x70,0x2C,0x23,0x20,0x20,0x24,0x38,0x60,0x00};/*"松",1*/ unsigned char ji[]={0x10,0x10,0xD0,0xFF,0x90,0x10,0x00,0xFE,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00, 0x04,0x03,0x00,0xFF,0x00,0x83,0x60,0x1F,0x00,0x00,0x00,0x3F,0x40,0x40,0x78,0x00};/*"机",2*/ unsigned char qi[]={0x80,0x80,0x9E,0x92,0x92,0x92,0x9E,0xE0,0x80,0x9E,0xB2,0xD2,0x92,0x9E,0x80,0x00, 0x08,0x08,0xF4,0x94,0x92,0x92,0xF1,0x00,0x01,0xF2,0x92,0x94,0x94,0xF8,0x08,0x00};/*"器",3*/ unsigned char ren[]={0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x00,0x00,0x03,0x0C,0x10,0x20,0x40,0x80,0x00};/*"人",4*/ void send_8bit_mini12864(unsigned char d) //传8位数据,高位先传 { for(int i=0;i<8;i++) //循环8次,每次发送1个最高位 { digitalWrite(sck_mini12864,0); //时钟拉低,一位数据开始 if(d&0x80) //与上10000000,最高位如果是1,就数据位就高 digitalWrite(sda_mini12864,1); else //与上10000000,最高位如果是0,就数据位就低 digitalWrite(sda_mini12864,0); digitalWrite(sck_mini12864,1); //一位数据发送完毕,时钟拉高 d<<=1; // d|ddddddd0 抛掉最高位,其余数据左移一位,最低位填0 } } void write_cmd_mini12864(unsigned char cmd) //写命令 { digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 digitalWrite(rs_mini12864,0); //rs为低,写入命令 send_8bit_mini12864(cmd); //写入8位命令 } void write_dat_mini12864(unsigned char dat) //写数据 { digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 digitalWrite(rs_mini12864,1); //rs为高,写入数据 send_8bit_mini12864(dat); //写入8位数据 } void mini12864_cl() //清屏,其实就是把所有的地址全部填成0 { unsigned char x,y; for(y=0;y<8;y++) { write_cmd_mini12864(0xb0+y); write_cmd_mini12864(0x10); write_cmd_mini12864(0x00); for(x=0;x<132;x++) write_dat_mini12864(0); } } void mini12864_Init() //初始化 { pinMode(cs_mini12864,OUTPUT); //设置各个I/O为输出 pinMode(rst_mini12864,OUTPUT); pinMode(rs_mini12864,OUTPUT); pinMode(sck_mini12864,OUTPUT); pinMode(sda_mini12864,OUTPUT); digitalWrite(cs_mini12864,LOW); digitalWrite(rst_mini12864,LOW); //物理重置 delay(200); digitalWrite(rst_mini12864,HIGH); delay(1000); write_cmd_mini12864(0xe2); //软件重置 delay(200); //以下为初始设置,具体请参考数据手册 write_cmd_mini12864(0x24);//对比度 write_cmd_mini12864(0x81);//SET ELECTRONIC VOLUME write_cmd_mini12864(0x20);//set pm: 通过改变这里的数值来改变电压 write_cmd_mini12864(0x2f);//set power control write_cmd_mini12864(0xa2);//BR=1/9 write_cmd_mini12864(0xa0);//set seg direction write_cmd_mini12864(0xc8);//set com direction write_cmd_mini12864(0x40);//set scroll line //write_cmd(0xa6);//set inverse display a6 off, a7 on //write_cmd(0xa4);//set all pixel on write_cmd_mini12864(0xaf);//开显示 mini12864_cl(); //清屏 } void mini12864_address(unsigned char page,unsigned char column) { digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 column=column-1; page=page-1; write_cmd_mini12864(0xb0+page); write_cmd_mini12864(((column>>4)&0x0f)+0x10); write_cmd_mini12864(column&0x0f); } void full_dispaly() { int i,j; for(i=0;i<8;i++) { digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 mini12864_address(i+1,0); for(j=0;j<128;j++) { write_dat_mini12864(0xff); } } } void disp_graphic_32X32(unsigned char page,unsigned char column,unsigned char *dp) { unsigned char i,j; digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 for(j=0;j<4;j++) { mini12864_address(page+1,column); for(i=0;i<31;i++) { write_dat_mini12864(*dp); dp++; } } digitalWrite(cs_mini12864,1); //片选拉低,选中芯片 } void display_graphic_16x16(unsigned char page,unsigned char column,unsigned char *dp) { unsigned char i,j; digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 for(j=0;j<2;j++) { mini12864_address(page+j,column); for (i=0;i<16;i++) { write_dat_mini12864(*dp); /*写数据到LCD,每写完一个8 位的数据后列地址自动加1*/ dp++; } } digitalWrite(cs_mini12864,1); //片选拉低,选中芯片 } void display_graphic_8x16(unsigned char page,unsigned char column,unsigned char *dp) { unsigned char i,j; digitalWrite(cs_mini12864,0); //片选拉低,选中芯片 for(j=0;j<2;j++) { mini12864_address(page+j,column); for (i=0;i<8;i++) { write_dat_mini12864(*dp); /*写数据到LCD,每写完一个8 位的数据后列地址自动加1*/ dp++; } } digitalWrite(cs_mini12864,1); //片选拉低,选中芯片 } void setup() { mini12864_Init(); //初始化液晶 } void loop() { full_dispaly(); delay(2000); mini12864_cl(); //清屏 display_graphic_16x16(4,24,ao); display_graphic_16x16(4,24+16,song); display_graphic_16x16(4,24+32,ji); display_graphic_16x16(4,24+48,qi); display_graphic_16x16(4,24+64,ren); delay(5000); } }
程序效果
程序下载到 Arduino 控制器之后就可以显示出汉字“奥松机器人”了。
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