利用lcd12864显示实时动态显示温度曲线源代码_基于单片机的温湿度光照监控用lcd12864显示资源-CSDN文库

共42个文件

obj：6个

lst：6个

c：6个

需积分: 47 95 浏览量 2018-08-05 17:21:51 上传评论 12 收藏 109KB ZIP 举报

在本文中，我们将深入探讨如何在51单片机上利用LCD12864模块显示实时动态温度曲线。LCD12864是一种常见的图形点阵液晶显示器，具有128列和64行的像素，适用于各种嵌入式系统，尤其是需要图形化界面的应用。在51单片机上实现这样的功能，可以极大地提升项目的可视化程度，让数据读取更加直观。我们需要理解51单片机的基本工作原理。51系列单片机是Intel公司开发的8位微处理器，广泛应用于电子设备和嵌入式系统中。它的核心是C51编译器，能够编写高效且易于理解的代码。接着，我们要了解LCD12864的接口和控制。该模块通常采用SPI或I2C接口与单片机通信。SPI（Serial Peripheral Interface）是一种同步串行通信协议，数据传输速度快，适用于短距离通信；而I2C（Inter-Integrated Circuit）则是一种多主机、双向二线制总线，适合连接低速外设。在这篇描述中，未具体指出使用哪种接口，但两者都可以实现所需功能。为了在LCD12864上绘制温度曲线，我们需要进行以下步骤： 1. 初始化LCD12864：配置接口时序，设置LCD的复位、使能信号，以及数据线的高低电平。初始化完成后，可以清屏或设置初始坐标。 2. 采集温度数据：使用集成的温度传感器或连接外部传感器，获取实时温度值。51单片机可能需要通过模拟输入或数字输入口读取这些数据。 3. 数据处理：将温度值转换为适合显示的格式。可能需要进行线性校准，确保温度读数的准确性。此外，为了绘制曲线，我们需要存储一段时间内的多个温度数据点。 4. 绘制曲线：根据XY轴坐标，将温度值转化为屏幕上的像素位置。可能需要使用Bresenham算法或Midpoint Circle Algorithm等图形绘制算法来优化效率。考虑到LCD12864的显示限制，可能需要滚动或重绘部分曲线以保持最新数据。 5. 实时更新：在每次新的温度读取后，更新LCD上的显示。这可能涉及擦除旧的温度点，然后在正确的位置添加新的点，形成连续的曲线效果。 6. 考虑优化：为了提高性能，可以使用双缓冲技术，先在内存中构建新的画面，再一次性写入LCD，避免闪烁现象。压缩包中的“lcd12864显示温度曲线-内含有XY轴的图像”可能包含了实现这个功能所需的示例代码和图像资源。代码中应该详细描述了如何配置接口、采集数据、处理和显示温度曲线。研究这些代码可以帮助我们更好地理解整个过程，并为自己的项目提供参考。总结，利用51单片机和LCD12864显示实时温度曲线是一项涉及硬件接口、数据采集、图像处理和实时更新等多个方面的综合任务。通过学习和实践，我们可以掌握这项技能，为自己的嵌入式项目增添更多可能性。

资源推荐

资源详情

资源评论

收起资源包目录

lcd12864显示温度曲线.zip （42个子文件）

lcd12864显示温度曲线-内含有XY轴的图像

lcd12864显示图形.uvopt 57KB

lcd12864显示图形 27KB

lcd12864显示图形_uvopt.bak 57KB

xy轴.bmp 1KB

lcd12864.h 1021B

temp.OBJ 6KB

lcd12864.OBJ 20KB

lcd12864显示图形.plg 225B

temp.c 4KB

lcd12864显示图形.hex 11KB

lcd12864显示图形_uvproj.bak 13KB

lcd12864显示图形.lnp 67B

lcd12864显示图形.uvproj 13KB

main.LST 2KB

lcd12864.c 11KB

temp.h 472B

lcd12864.LST 20KB

lcd12864显示xy轴

lcd12864显示图形.uvopt 56KB

lcd12864显示图形 17KB

lcd12864显示图形_uvopt.bak 56KB

xy轴.bmp 1KB

lcd12864.h 970B

temp.OBJ 7KB

lcd12864.OBJ 11KB

lcd12864显示图形.plg 2KB

temp.c 4KB

lcd12864显示图形.hex 6KB

lcd12864显示图形_uvproj.bak 13KB

lcd12864显示图形.lnp 54B

lcd12864显示图形.uvproj 13KB

main.LST 11KB

lcd12864.c 4KB

temp.h 472B

lcd12864.LST 9KB

main.OBJ 9KB

temp.LST 9KB

lcd12864显示图形.M51 19KB

main.c 7KB

main.OBJ 3KB

temp.LST 8KB

lcd12864显示图形.M51 30KB

main.c 425B

#include<lcd12864.h> uchar code table[]="0123456789."; char num=0; uchar x,y; uchar code zuobiao[]={ /*-- 调入了一幅图像：这是您新建的图像 --*/ /*-- 宽度x高度=128x64 --*/ 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0xA8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02, 0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF }; void delay1ms(uint c) //误差 0us { uchar a,b; for (; c>0; c--) { for (b=199;b>0;b--) { for(a=1;a>0;a--); } } } void lcd_writecom(uchar com) { uchar temp; lcd_rs=0; lcd_rw=1; do //判忙 { lcd_e=1; temp=lcd_date; delay1ms(1); lcd_e=0; } while(temp&0x80); //不忙则退出循环 lcd_rw=0; lcd_date=com; //写命令 lcd_e=1; delay1ms(1); lcd_e=0; } void lcd_writedate(uchar date) { uchar temp; lcd_rs=0; lcd_rw=1; do { lcd_e=1; temp=lcd_date; delay1ms(1); lcd_e=0; } while(temp&0x80); lcd_rs=1; lcd_rw=0; lcd_date=date; lcd_e=1; delay1ms(1); lcd_e=0; } /******判忙***********/ void busy() { lcd_rs=0; lcd_rw=1; lcd_e=1; P0=0xff; while((P0&0x80)==0x80); lcd_e=0; } /******读数据*********/ uchar read() { uchar shuju; busy(); P0=0xff; lcd_rs=1; lcd_rw=1; lcd_e=0; delay1ms(1); lcd_e=1; shuju=P0; delay1ms(1); lcd_e=0; return shuju; } /************增加画点子函数************/ void drawpoint(uchar X,uchar Y,uchar color) { uchar row,tier,tier_bit;//tier_bit的作用：确定该位置是低八位还是高八位 uchar read_old_h,read_old_l; lcd_writecom(0x34);//开启拓展指令集 lcd_writecom(0x36);//开启画图功能指令 tier=X>>4; //算出字地址（每个地址含16位） //X的范围是0~127，即0X7F，tier除以16，获得他的字 //lcd12864定位地址时，只能定位到字 //63,即00111111B，tier：0011B，3 tier_bit=X&0x0f;//算出位于当前字的具体位数 //取得他的低四位 if(Y<32) { row=Y; } else { row=Y-32;//row:0 tier+=8; //tier:处于下半屏幕 } lcd_writecom(row+0x80); lcd_writecom(tier+0x80); read(); //获取以前这个位置（16*16的显示屏）上的数据 read_old_h=read(); read_old_l=read(); lcd_writecom(row+0x80); lcd_writecom(tier+0x80); if(tier_bit<8) //tier_bit=15 { switch(color) { case 0: read_old_h&=(~(0x01<<(7-tier_bit)));break; case 1: read_old_h|=(0x01<<(7-tier_bit));break; case 2: read_old_h^=(0x01<<(7-tier_bit));break; default: break; } lcd_writedate(read_old_h); lcd_writedate(read_old_l); } else { switch(color) { case 0: read_old_l&=(~(0x01<<(15-tier_bit)));break; case 1: read_old_l|=(0x01<<(15-tier_bit));break; case 2: read_old_l^=(0x01<<(15-tier_b

评论收藏

内容反馈