液晶屏程序

一，乐华NTA91B驱动板程序烧录方法-EasyUSB WriterV4.1使用方法乐华NTA93A的烧写方法与NTA91B完全相同；硬件连接好以后就要开始软件的操作了，请看下面说明：1：下载，双击安装，一直点《下一步》安装完成；2：找到Writer4.1并双击运行，第一次运行会出现如图的对话框，点击按钮让其自动侦测本机电脑并口运行速度，等一会弹出按《OK》；3：然后选择中间部份的；按按《确定》配置完成；4：点击将会弹出下图对话框，5：选择升级文件所在的路径。

6：选择升级程序后按进行烧录，如图7：出现如图进度条到最后，且有，Used Time：18seconds---------END--------的信息时，升级完成。

程序升级完后系统会自动开机。

到此升级完成；》常见升级失败的情况处理失败情况1：如出现图的提示则是连接失败的情况，请检查线是否连接好，板卡和升级板是否有接上12V电源。

失败情况2：如果升级失败且重复多次都无法升级成功，先点击然后尝试点击擦除MCU，再升级。

二，鼎科GM2621通用板程序烧录说明-软件篇下面我们向大家介绍一下鼎科GM2621通用板程序烧录说明的软件操作方法要用的软件是：1：如果你的电脑没有安装过上面两款软件，那么请安装上面的前一个软件，然后电脑重启，这个很重要；2：电脑重启以后接着安装第二个软件，安装完了以后会在桌面有个图标3：我们双击桌面的这个，打开软件，界面如下图：4：打开软件界面以后，我们就要进行一些相关的设置，才可以正常使用，首先点击上图中工具栏中的这个图标，或者点击菜单栏的>>（connection setup）,出现下图的设置界面：根据你的主机串口所插位置《COM1，COM2》设置好如下图所示：，点保存设置；5：上面的步骤设置好以后，我们点击菜单栏的>>debug ON,出现如下图所示提示，按OK，下图为联接成功的提示：如果出现下图提示，为联接失败，请检查编程器与驱动板的相关线路，电源等：连接成功以后，我们就可以进入下一步操作了；6：点击菜单栏中，选择最下面第二个《batch》，如下面：出现这个图后,下一步就是查找你的屏对应适用的程序了,找程序就点一下没有字的那个小框格,如图：就是这里的这个小框：7：点一下那个只有两个黑点没有字的小框后就会出现如下图示，找到你需要烧录的程序路径：看到这个图后,就是选取你要的程序了,选程序就是击一下程序,然后点击一下<打开>如下图8：出现如上图以后,就击一下OK,这样就开始烧录程序了,烧写完成以后如下图:好，出现上面的提示就说明烧录成功了，然后切断驱动板电源，从编程器上取下，就可以点屏试机了；8：出现如上图以后,就击一下OK,这样就开始烧录程序了,烧写完成以后如下图:好，出现上面的提示就说明烧录成功了，然后切断驱动板电源，从编程器上取下，就可以点屏试机了；三，乐华升级头方式烧写2013B,2023L,PT551升级工具软件及使用方法乐华升级头方式烧写软件2013B,升级工具软件及使用方法：1：首先下载安装“PORT95NT.EXE”，然后重启电脑；2：然后下载烧写软件BitWrite.exe；保存到电脑中；3：在编程器断电的情况下正确插入升级头到编程器上相应的插口；4：点击打开刚刚下载的软件：出现下图介面5：点击载入对应你需要驱动的液晶屏型号对应的程序选择好后点打开，出现下图：6：点击把程序写入升级头7：写入成功如果写入错误最下面会有[error]显示,请从新操作烧写;8：断开编程器电源，把升级头从编程器上取下；9：在断电的情况下把升级头对应方向正确插入驱动板的升级插座(蓝色的4针座)，如下图:10：接通驱动板电源，此时按键板的指示灯会红绿色交替闪烁，几十秒之后，等指示灯不再交替闪烁，而是只闪一种颜色时，表示升级完成;11：此时断开驱动板电源，把升级头从驱动板上取下，就可以接液晶屏试机了，12：如果升级成功此时屏幕会显示正常图像或提示“无信号输入”出现其它不正常显示,都表示没有成功;13：如果不成功，请换个程序，重复第3-11步，直至成功，四，乐华2621AA烧录说明一.烧录操作:1. 安装软件,安装好之后,桌面会出现图标.2. 请按下图的连接方式来连接你的编程器和驱动板,为升级程序做准备.3. 点击打开,如下图:4. 按F10调出设置菜单,如下图:5. 选择与上图中相对应的选项,然后确定.6. 设置好选项之后,查看常用工具栏图标.红色为编程器与计算机通讯正常, 为编程器未能正确与计算机联机,请检查各项设置或线材,并查看编程器电源是否打开.7. 点击软件中的”Batch”,然后在上方窗口空白的地方,点击右键.选择”ADD*****”其中ADD****”添加程序.到软件缓冲区,”REMOVE”是把程序移出缓冲区的意思.8. 我们点”ADD****”选择程序.(选择你要写入的程序)如下图:9. 选择好程序之后,我们双击缓冲区的,开始烧录程序.烧录成功如下图:烧录失败如下图:二.烧录失败的处理方法.由于gm2621驱动板的主控芯片换成了GM2621 CD 版本为环保芯片造成部分客户在升级程序时出现升级失败如图所示大芯片的左下角有一颗8 脚芯片为驱动板的存储器芯片有两脚通过短路通电后可以清空芯片里的过度写入程序来解决升级的失败方法是在驱动板断电、断开信号线的情况下用小螺丝刀将红色的这两脚短路的同路的同时给驱动板上电3秒同时松开再重新升级GM2621具体方法也可以参考这个链接：（GM2621(PM25LV010)驱动板写错程序恢复方法/bencandy.php?fid-31-id-1685-page-1.htm）如果经上述方法清空无效,可以尝试用更专业的编程器,把该芯片(PM25V010)放到专用插座上清空.可以把芯片执行如下操作,在专业编程器软件上点”加密”----“解密”----“清空”----“验空”,即可.把芯片清空后,将芯片焊回驱动板上,再重新执行一次以上的写程序操作,驱动板便能正常工作了。

无字库12864液晶屏滚动显示程序#include<reg52.h>#include<intrins.h>#include<absacc.h>#define Lcd_Bus P0 //MCU P0<------> LCM#define Disp_On 0x3f//开显示#define Disp_Off 0x3e//关显示#define Col_Add 0x40//列地址#define Page_Add 0xb8//页地址#define Start_Line 0xc0//起始页sbit cs1=P2^3; //Master chip enablesbit cs2=P2^4; //Slave chip enablesbit Enable=P2^2; // mode Enable singlesbit Di=P2^0; //Data or Instrument Selectsbit RW=P2^1; //Write or Readsbit Lcd_Rst=P2^5; //Lcm reset/*****************************字模,此字体下对应的点阵为：宽x高=16x16*****************************/unsigned char code Chinese_character[][32]={{0x02,0xF2,0x12,0x12,0x12,0xFE,0x12,0x12,0x12,0xFE,0x12,0x12,0x12,0xF2,0x02,0x00 , 0x00,0x7F,0x28,0x24,0x22,0x21,0x20,0x20,0x20,0x21,0x22,0x22,0x22,0x7F,0x00,0x00},/*"西",0*/{0x80,0x90,0x8C,0x84,0x84,0xF4,0xA5,0x86,0x84,0x84,0x84,0x84,0x94,0x8C,0x84,0x00, 0x80,0x80,0x80,0x40,0x47,0x28,0x28,0x10,0x28,0x24,0x43,0xC0,0x40,0x00,0x00,0x00},/*"安",1*/{0x00,0x42,0x62,0x5A,0xC6,0x10,0x54,0x54,0x54,0xFF,0x54,0x54,0x7C,0x10,0x10,0x00, 0x40,0x23,0x14,0x08,0x17,0x28,0x29,0x49,0x49,0x7F,0x49,0x49,0x49,0x49,0x40,0x00},/*"建",2*/{0x10,0x48,0x47,0xCC,0x54,0x44,0x14,0xE8,0x27,0x24,0x2C,0xF4,0x04,0x04,0x04,0x00, 0x10,0x30,0x10,0x0F,0x88,0x48,0x30,0x0F,0x01,0x06,0x00,0x3F,0x40,0x40,0x70,0x00},/*"筑",3*/{0x10,0x12,0x92,0x72,0xFE,0x51,0x91,0x00,0x22,0xCC,0x00,0x00,0xFF,0x00,0x00,0x00, 0x04,0x02,0x01,0x00,0xFF,0x00,0x04,0x04,0x04,0x02,0x02,0x02,0xFF,0x01,0x01,0x00},/*"科",4*/{0x08,0x08,0x88,0xFF,0x48,0x28,0x00,0xC8,0x48,0x48,0x7F,0x48,0xC8,0x48,0x08,0x00, 0x01,0x41,0x80,0x7F,0x00,0x40,0x40,0x20,0x13,0x0C,0x0C,0x12,0x21,0x60,0x20,0x00},/*"技",5*/{0x20,0x20,0x20,0x20,0x20,0x20,0xA0,0x7F,0xA0,0x20,0x20,0x20,0x20,0x20,0x20,0x00, 0x00,0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x01,0x06,0x08,0x30,0x60,0xC0,0x40,0x00},/*"大",6*/{0x40,0x30,0x10,0x12,0x5C,0x54,0x50,0x51,0x5E,0xD4,0x50,0x18,0x57,0x32,0x10,0x00, 0x00,0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x00},/*"学",4*/{0x00,0x02,0x1C,0xE8,0x00,0x40,0x60,0x58,0x47,0x22,0x20,0x28,0x30,0xE0,0x40,0x00, 0x02,0x02,0x7F,0x00,0x00,0x00,0x7F,0x21,0x21,0x21,0x21,0x21,0x7F,0x00,0x00,0x00},/*"冶",0*/{0x40,0x40,0x20,0x20,0x50,0x48,0x44,0xC3,0x44,0x48,0x50,0x50,0x20,0x60,0x20,0x00, 0x40,0x40,0x42,0x42,0x4A,0x72,0x42,0x7F,0x42,0x62,0x5A,0x42,0x42,0x40,0x40,0x00},/*"金",1*/{0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x00, 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00},/*"工",2*/{0x10,0x12,0xD2,0xFE,0x91,0x11,0x80,0xBF,0xA1,0xA1,0xA1,0xA1,0xBF,0x80,0x00,0x00, 0x04,0x03,0x00,0xFF,0x00,0x41,0x44,0x44,0x44,0x7F,0x44,0x44,0x44,0x44,0x40,0x00},/*"程",3*/{0x40,0x30,0x10,0x12,0x5C,0x54,0x50,0x51,0x5E,0xD4,0x50,0x18,0x57,0x32,0x10,0x00, 0x00,0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x00},/*"学",4*/{0xFE,0x02,0x32,0x4A,0x86,0x0C,0x24,0x24,0x25,0x26,0x24,0x24,0x24,0x0C,0x04,0x00, 0xFF,0x00,0x02,0x04,0x83,0x41,0x31,0x0F,0x01,0x01,0x7F,0x81,0x81,0x81,0xF1,0x00},/*"院",5*/{0x10,0x10,0xD0,0xFE,0x50,0x90,0x00,0x10,0x10,0x10,0xD0,0xFE,0x10,0x10,0x10,0x00, 0x08,0x06,0x01,0xFF,0x00,0x01,0x10,0x08,0x04,0x43,0x80,0x7F,0x00,0x00,0x00,0x00},/*"材",0*/{0x20,0x24,0xA8,0x70,0xFF,0x68,0xA4,0x20,0x42,0x8C,0x00,0x00,0xFF,0x00,0x00,0x00, 0x08,0x06,0x01,0x00,0xFF,0x00,0x01,0x02,0x02,0x03,0x02,0x02,0xFF,0x01,0x01,0x00},/*"料",1*/{0x00,0x08,0x08,0x08,0xFF,0x08,0x08,0xF8,0x00,0xF8,0x08,0x08,0x08,0xF8,0x00,0x00, 0x40,0x20,0x18,0x07,0x00,0x20,0x40,0x3F,0x00,0x7F,0x10,0x10,0x10,0x3F,0x00,0x00},/*"加",2*/{0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x00, 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00},/*"工",4*/{0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x00, 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00},/*"工",4*/{0x10,0x12,0xD2,0xFE,0x91,0x11,0x80,0xBF,0xA1,0xA1,0xA1,0xA1,0xBF,0x80,0x00,0x00, 0x04,0x03,0x00,0xFF,0x00,0x41,0x44,0x44,0x44,0x7F,0x44,0x44,0x44,0x44,0x40,0x00},/*"程",5*/};unsigned char code E[][16]={{0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00},/*"C",0*/ {0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00},/*"r",1*/{0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20},/*"a",2*/ {0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00},/*"s",3*/ {0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00},/*"y",4*/ {0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00},/*"b",5*/ {0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00},/*"o",6*/ {0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00},/*"y",7*/ {0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00},/*"e",8*/ };/***********************延时子程序***********************/void delay(unsigned int k){unsigned int i;unsigned int j;for(i=0;i<k;i++)for(j=0;j<20;j++);}/***********************写命令左***********************/void write_cmd_1(unsigned char command){cs1=1;cs2=0;Di=0;RW=0;Lcd_Bus=command;delay(0);Enable=1;delay(0);Enable=0;}/***********************写命令右***********************/void write_cmd_2(unsigned char command){cs1=0;cs2=1;Di=0;RW=0;Lcd_Bus=command;delay(0);Enable=1;delay(0);Enable=0;}/***********************写数据左***********************/void write_data_1(unsigned char dis_data){cs1=1;cs2=0;Di=1;RW=0;Lcd_Bus=dis_data;delay(0);Enable=1;delay(0);Enable=0;}/***********************写数据右***********************/ void write_data_2(unsigned char dis_data){cs1=0;cs2=1;Di=1;RW=0;Lcd_Bus=dis_data;delay(0);Enable=1;delay(0);Enable=0;}/***********************清内存左***********************/ void clear_1(void){unsigned char j,k;cs1=1;cs2=0;write_cmd_1(Page_Add+0);write_cmd_1(Col_Add+0);for(k=0;k<8;k++){write_cmd_1(Page_Add+k);for(j=0;j<64;j++)write_data_1(0x00);}}/***********************清内存右***********************/ void clear_2(void){unsigned char j,k;cs1=0;cs2=1;write_cmd_2(Page_Add+0);write_cmd_2(Col_Add+0);for(k=0;k<8;k++){write_cmd_2(Page_Add+k);for(j=0;j<64;j++)write_data_2(0x00);}}/***********************显示汉字16*16左************************/void Chinese_disp_1(unsigned char pag,unsigned char col,unsigned char n) {unsigned char i=0;unsigned char j=0;cs1=1;cs2=0;for(i=0;i<2;i++){write_cmd_1(Page_Add+pag+i);write_cmd_1(Col_Add+col);for(j=0;j<16;j++)write_data_1(Chinese_character[n][16*i+j]);}}/***********************显示汉字16*16右***********************/void Chinese_disp_2(unsigned char pag,unsigned char col,unsigned char n) {unsigned char i=0;unsigned char j=0;cs1=0;cs2=1;for(i=0;i<2;i++){write_cmd_2(Page_Add+pag+i);write_cmd_2(Col_Add+col);for(j=0;j<16;j++)write_data_2(Chinese_character[n][16*i+j]);}}/***********************显示英文16*8左************************/void E_disp_1(unsigned char pag,unsigned char col,unsigned char n){unsigned char i=0;unsigned char j=0;cs1=1;cs2=0;for(i=0;i<2;i++){write_cmd_1(Page_Add+pag+i);write_cmd_1(Col_Add+col);for(j=0;j<8;j++)write_data_1(E[n][8*i+j]);}}/***********************显示英文16*8右***********************/void E_disp_2(unsigned char pag,unsigned char col,unsigned char n) {unsigned char i=0;unsigned char j=0;cs1=0;cs2=1;for(i=0;i<2;i++){write_cmd_2(Page_Add+pag+i);write_cmd_2(Col_Add+col);for(j=0;j<8;j++)write_data_2(E[n][8*i+j]);}}/***********************液晶屏初始化***********************/void init_lcd(){Lcd_Rst=0;delay(100);Lcd_Rst=1;delay(100);write_cmd_1(Disp_Off); write_cmd_2(Disp_Off);write_cmd_1(Page_Add+0); write_cmd_2(Page_Add+0);write_cmd_1(Start_Line+0); write_cmd_2(Start_Line+0);write_cmd_1(Col_Add+0); write_cmd_2(Col_Add+0);write_cmd_1(Disp_On); write_cmd_2(Disp_On);}/***********************LCD显示子程序***********************/void display(void){unsigned char i;for(i=Start_Line;i<0xff;i++){Chinese_disp_1(0,0, 0);Chinese_disp_1(0,16,1);Chinese_disp_1(0,32,2);Chinese_disp_1(0,48,3);Chinese_disp_2(0,0, 4);Chinese_disp_2(0,16,5);Chinese_disp_2(0,32,6);Chinese_disp_2(0,48,7);//西安建筑科技大学Chinese_disp_1(2,16,8);Chinese_disp_1(2,32,9);Chinese_disp_1(2,48,10);Chinese_disp_2(2,0,11); Chinese_disp_2(2,16,12); Chinese_disp_2(2,32,13);//冶金工程学院Chinese_disp_1(4,16,14); Chinese_disp_1(4,32,15); Chinese_disp_1(4,48,16); Chinese_disp_2(4,0,17); Chinese_disp_2(4,16,18);Chinese_disp_2(4,32,19); //材料加工工程E_disp_1(6,24,0);E_disp_1(6,32,1);E_disp_1(6,40,2);E_disp_1(6,48,3);E_disp_1(6,56,4);E_disp_2(6,0,5);E_disp_2(6,8,6);E_disp_2(6,16,7);E_disp_2(6,24,8);//Crasyboyewrite_cmd_1(i);write_cmd_2(i);delay(3000);//调整滚动速度}//delay(60000);}/***********主程序************/ void main(void){ init_lcd();clear_1();clear_2();while(1){display();}}。

附录2整个设计全部源程序：/*以下是32x64点阵LED电子显示屏的源程序，采用C语言编写，在Keil μVisionV2.38a（C51.Exe V7.06）以及MedWin3.0版环境下均测试通过。

*/ #include <AT89x51.H>unsigned int zimo,xx=0; //zimo是字模计数器，xx为分屏显示的时候的字数。

unsigned char yid,h; //yid为移动计数器，h为行段计数器unsigned char code hanzi[]; //汉字字模unsigned char BUFF[18],BUFF2[18]; //左移显示的缓存void qing(void); void xianshi(void);void fen(void); void zuo(void);void in_data(void); //调整数据void rxd_data(void); //左移发送数据void out_rxd(unsigned char *d); //分屏、上移发送数据char code sw[]={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x00}; /*8行段码*//***********主程序******************/void main(void){ unsigned char ee;SCON=0;P1=0;yid=0;zimo=0;while(1){ fen(); //分屏显示for(ee=30;ee>0;ee--)//清屏幕3秒{qing();}zuo(); //左移显示for(ee=30;ee>0;ee--){qing();}}}/**********清屏幕*******************/void qing (void){ unsigned char zz,xx=0x0ff;for (zz=33;zz>0;zz--){out_rxd(&xx);}P1=0xff; P1=0; //锁存为高，74HC595锁存信号P2=0; //清74LS138的使能端}/**********分屏显示***********/void fen(void){ do{ xianshi(); }while(xx++<=5); //调用单屏显示xx=0;}/************单屏显示*************/void xianshi(void){ unsigned char ii,jj; unsigned int kk,aa;for (kk=500;kk>0;kk--) //每屏显示500次{for(ii=1;ii<16;ii+=2) //每个汉字分8行扫描{for (jj=0;jj<8;jj++) //每次要发送8个汉字的2个字节,发送8次{ aa=(xx*8+jj)*32+ii;out_rxd(&hanzi[aa]); //从串口输出第1个字的第1字节。

上一次发表的是用C语言编写的2.8 吋彩色液晶屏实验程序，这一次是汇编语言编写的2.8 吋彩色液晶屏实验程序，两个程序的运行结果是完全一样的，只是编程用的编程语言不同而已。

对于初学C51单片机的朋友们学习不同语言编程能有所帮助，本程序是经过本人上机测试完全通过Keil 4 验证的，可以放心的使用。

本程序驱动ILI9341 或RM68090 芯片驱动的2.8 吋彩色液晶屏。

显示点阵数：240RGB(W)×320(H)。

芯片为宏晶科技公司的STC12C5A60S2或STC12LE5A60S2 芯片。

注：RGB 为565 格式的16bit。

$INCLUDE(STC12C5A.INC);===============================================;编程日期：2014年09月25日;===============================================;初始化定义和数据单元;;===============================================RSB BIT P3.3 ;寄存器选择，0：寄存器，1：参数CSB BIT P3.4 ;片选，低电平有效RESET BIT P3.5 ;复位WRB BIT P3.6 ;写数据信号RDB BIT P3.7 ;读数据信号;===============================================;主程序开始;===============================================ORG 0000HLJMP MAIN ;开始ORG 0100HMAIN:MOV R0,#7FHCLR ACLEARED:MOV @R0,ADJNZ R0, CLEAREDMOV SP,#0E0HSETB RESETLCALL DELAY1MSCLR RESETLCALL DELAY10MSSETB RESETLCALL DELAY120MSLCALL REGISTER_SETTINGS ;配置9341;===============================================;循环程序;===============================================CYCLE:MOV R7,#0FFHMOV R6,#0FFHLCALL DISPLAY ;显示白色MOV R7,#00HMOV R6,#00HLCALL DISPLAY ;显示黑色LCALL DELAY1SLCALL PICTURES ;显示图片LCALL DELAY1SMOV R7,#0F8HMOV R6,#00HLCALL DISPLAY ;显示红色ACALL DELAY1SMOV R7,#07HMOV R6,#0E0HLCALL DISPLAY ;显示绿色ACALL DELAY1SMOV R7,#00HMOV R6,#1FHLCALL DISPLAY ;显示蓝色LCALL DELAY1SMOV R7,#0FFHMOV R6,#0E0HLCALL DISPLAY ;显示黄色LCALL DELAY1SMOV R7,#0F8HMOV R5,#1FHLCALL DISPLAY ;显示紫色LCALL DELAY1SMOV R7,#07HMOV R6,#0FFHLCALL DISPLAY ;显示青色LCALL DELAY1SCPL P4.3LJMP CYCLE ;返回循环程序;=============================================== ;显示设置，区域和数据240x320;=============================================== DISPLAY:MOV 22H,R7MOV 23H,R6LCALL SETTINGS_AREA ;设置区域CLR AMOV R3,AMOV R2,ADISPLAY01:MOV R4,#0F0HDISPLAY02:MOV R7,22HLCALL TWO_DATA ;写双字节显示数据DJNZ R4, DISPLAY02 ;240列INC R3CJNE R3,#00H,DISPLAY03INC R2DISPLAY03:CJNE R2,#01H,DISPLAY01CJNE R3,#40H,DISPLAY01 ;320行RET;=============================================== ;显示图片;=============================================== PICTURES:LCALL SETTINGS_AREA ;设置区域MOV R1,#04H ;显示4幅图片PICTURES01:MOV DPTR,#IMAGE_PIXELSMOV R2,#50HPICTURES02:MOV R3,#0F0HPICTURES03:CLR AMOVC A,@A+DPTRMOV R7,AINC DPTRCLR AMOVC A,@A+DPTRMOV R6,AINC DPTRLCALL TWO_DATA ;写DAT文件,双字节DJNZ R3,PICTURES03DJNZ R2,PICTURES02DJNZ R1,PICTURES01RET;=============================================== ;设置区域;=============================================== SETTINGS_AREA:MOV R7,#2AH ;列地址时钟LCALL COMMAND ;写8位命令MOV R7,#00HLCALL WRITE_DATA ;写8位数据参数MOV R7,#00HLCALL WRITE_DATA ;写8位数据参数LCALL WRITE_DATA ;写8位数据参数MOV R7,#0EFHLCALL WRITE_DATA ;写8位数据参数MOV R7,#2BH ;页地址设置LCALL COMMAND ;写8位命令MOV R7,#00HLCALL WRITE_DATA ;写8位数据参数MOV R7,#00HLCALL WRITE_DATA ;写8位数据参数MOV R7,#01HLCALL WRITE_DATA ;写8位数据参数MOV R7,#3FHLCALL WRITE_DATA ;写8位数据参数MOV R7,#2CH ;存储器写LJMP COMMAND ;写8位命令RET;=============================================== ;写寄存器命令;=============================================== COMMAND:CLR RSBSETB RDBCLR CSBMOV P0,R7CLR WRBSETB WRBSETB CSBRET;=============================================== ;写数据参数;=============================================== WRITE_DATA:SETB RSBSETB RDBCLR CSBMOV P0,R7CLR WRBSETB WRBSETB CSBRET;=============================================== ;写双字节显示数据;===============================================SETB RSBSETB RDBCLR CSBMOV P2,R7MOV P0,R6CLR WRBSETB WRBSETB CSBRET;=============================================== ;延时1mS;=============================================== DELAY1MS:MOV R6,#8DHDL0:MOV R5,#39HDJNZ R5,$DJNZ R6,DL0NOPRET;=============================================== ;延时10mS;=============================================== DELAY10MS:MOV R7,#0BDHDL1:MOV R6,#0AEHDL2:MOV R5,#01HDJNZ R5,$DJNZ R6,DL2DJNZ R7,DL1RET;=============================================== ;延时120mS;=============================================== DELAY120MS:MOV R7,#75HDL3:MOV R6,#78HDL4:MOV R5,#45HDJNZ R5,$DJNZ R6,DL4DJNZ R7,DL3DJNZ R5,$RET;=============================================== ;延时1S;=============================================== DELAY1S:MOV R7,#0DFHDL5:MOV R6,#0D4HDL6:MOV R5,#0ADHDJNZ R5,$DJNZ R6,DL6DJNZ R7,DL5MOV R5,#03HDJNZ R5,$NOPRET;=============================================== ;ILI9341寄存器配置;=============================================== REGISTER_SETTINGS:MOV R7,#0CFH ;LCALL COMMAND ;写寄存器命令MOV R7,#00H ;LCALL WRITE_DATA ;写8位数据MOV R7,#0D9HLCALL WRITE_DATAMOV R7,#30HLCALL WRITE_DATAMOV R7,#0EDHLCALL COMMANDMOV R7,#64HLCALL WRITE_DATAMOV R7,#03HLCALL WRITE_DATAMOV R7,#12HLCALL WRITE_DATAMOV R7,#81HLCALL WRITE_DATAMOV R7,#0E8HLCALL COMMANDMOV R7,#85HLCALL WRITE_DATAMOV R7,#10HMOV R7,#78H LCALL WRITE_DATA MOV R7,#0CBH LCALL COMMAND MOV R7,#39H LCALL WRITE_DATA MOV R7,#2CH LCALL WRITE_DATA MOV R7,#00H LCALL WRITE_DATA MOV R7,#34H LCALL WRITE_DATA MOV R7,#02H LCALL WRITE_DATA MOV R7,#0F7H LCALL COMMAND MOV R7,#20H LCALL WRITE_DATA MOV R7,#0EAH LCALL COMMAND MOV R7,#00H LCALL WRITE_DATA MOV R7,#00H LCALL WRITE_DATA MOV R7,#0C0H LCALL COMMAND MOV R7,#21H LCALL WRITE_DATA MOV R7,#0C1H LCALL COMMAND MOV R7,#12H LCALL WRITE_DATA MOV R7,#0C5H LCALL COMMAND MOV R7,#32H LCALL WRITE_DATA MOV R7,#3CH LCALL WRITE_DATA MOV R7,#0C7H LCALL COMMAND MOV R7,#0C1H LCALL WRITE_DATA MOV R7,#36H LCALL COMMAND MOV R7,#08HLCALL COMMAND MOV R7,#55H LCALL WRITE_DATA MOV R7,#0B1H LCALL COMMAND MOV R7,#00H LCALL WRITE_DATA MOV R7,#18H LCALL WRITE_DATA MOV R7,#0B6H LCALL COMMAND MOV R7,#0AH LCALL WRITE_DATA MOV R7,#0A2H LCALL WRITE_DATA MOV R7,#0F2H LCALL COMMAND MOV R7,#00H LCALL WRITE_DATA MOV R7,#26H LCALL COMMAND MOV R7,#01H LCALL WRITE_DATA MOV R7,#0E0H LCALL COMMAND MOV R7,#0FH LCALL WRITE_DATA MOV R7,#20H LCALL WRITE_DATA MOV R7,#1EH LCALL WRITE_DATA MOV R7,#09H LCALL WRITE_DATA MOV R7,#12H LCALL WRITE_DATA MOV R7,#0BH LCALL WRITE_DATA MOV R7,#50H LCALL WRITE_DATA MOV R7,#0BAH LCALL WRITE_DATA MOV R7,#44H LCALL WRITE_DATA MOV R7,#09HLCALL WRITE_DATA MOV R7,#05H LCALL WRITE_DATA MOV R7,#23H LCALL WRITE_DATA MOV R7,#21H LCALL WRITE_DATA MOV R7,#00H LCALL WRITE_DATA MOV R7,#0E1H LCALL COMMAND MOV R7,#00H LCALL WRITE_DATA MOV R7,#19H LCALL WRITE_DATA MOV R7,#19H LCALL WRITE_DATA MOV R7,#00H LCALL WRITE_DATA MOV R7,#12H LCALL WRITE_DATA MOV R7,#07H LCALL WRITE_DATA MOV R7,#2DH LCALL WRITE_DATA MOV R7,#28H LCALL WRITE_DATA MOV R7,#3FH LCALL WRITE_DATA MOV R7,#02H LCALL WRITE_DATA MOV R7,#0AH LCALL WRITE_DATA MOV R7,#08H LCALL WRITE_DATA MOV R7,#25H LCALL WRITE_DATA MOV R7,#2DH LCALL WRITE_DATA MOV R7,#0FH LCALL WRITE_DATA MOV R7,#11H LCALL COMMAND LCALL DELAY120MSLJMP COMMANDRET;===============================================;显示图像38400字节;===============================================IMAGE_PIXELS:DB 0xC4,0x8,0xBC,0x2A,0x8B,0x6A,0x49,0xA8,0x18,0x88,0x31,0x4D,0x41,0xCE,0x31,0x4B DB 0x18,0xA8,0x18,0x87,0x10,0x85,0x10,0x85,0x10,0x85,0x10,0xA5,0x10,0xA5,0x18,0xA6 DB 0x10,0xA5,0x10,0x85,0x10,0xA6,0x8,0xA6,0x8,0x64,0x38,0x64,0x88,0xE7,0xD1,0x69 DB 0xD1,0x6,0xD1,0x7,0xD1,0x8,0xD9,0x8,0xD8,0xE8,0xD0,0xE7,0xC9,0x7,0xC1,0x47DB 0xD0,0xE8,0xD0,0xE8,0xD0,0xE7,0xD0,0xE7,0xD1,0x7,0xD1,0x7,0xD1,0x7,0xD1,0x7 DB 0xD0,0xE7,0xC8,0xE6,0xC9,0x7,0xD0,0xE7,0xD0,0xA6,0xC0,0xE7,0xC2,0x4B,0xCB,0xF0 DB 0xFE,0xBB,0xFF,0xBE,0xF7,0xFF,0xEF,0xBE,0xFF,0x9F,0xFF,0xBF,0xEF,0x7F,0xC7,0x3D DB 0xCE,0xFC,0xDF,0x5E,0xEF,0x9E,0xEF,0xDF,0xEF,0xFF,0xEF,0xDE,0xFF,0xBF,0xFF,0xBF DB 0xEF,0xFF,0xF7,0xFF,0xF7,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0xFFDB 0xFF,0xFF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDFDB 0xF7,0xDF,0xF7,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF DB 0xF7,0xDD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEF,0x9E,0xEF,0x7E,0xFF,0xBF,0xFF,0xFFDB 0xF7,0xBD,0xFF,0xDE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xBFDB 0xC6,0x39,0x8C,0xD4,0x7C,0x93,0x8D,0x35,0xAE,0x3A,0xAE,0x5A,0xB6,0x9A,0xCF,0x1C DB 0xCF,0x5D,0xCF,0x5D,0xCF,0x7E,0xCF,0x7E,0xCF,0x7E,0xCF,0x5E,0xCF,0x5D,0xCF,0x5D DB 0xCF,0x3D,0xC6,0xFC,0xBE,0xBB,0xB6,0x9A,0xAE,0x39,0x9D,0xD7,0x95,0x96,0x95,0x76 DB 0x8C,0xB2,0xA5,0x96,0xD7,0x1C,0xF7,0xFF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBF DB 0xF7,0xFF,0xF7,0xFF,0xF7,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFFDB 0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0xFE,0x1A,0xE3,0xD3,0xE3,0x72,0xE3,0x72,0xEA,0xF1 DB 0xE2,0xD1,0xE2,0xD1,0xE2,0xB1,0xE2,0xB1,0xDA,0xF2,0xDB,0x53,0xE3,0xD4,0xE4,0x36 DB 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0x5A,0x52,0x5A,0x53,0x5A,0x73,0x62,0x93,0x62,0x94,0x62,0x94,0x62,0x93,0x62,0x93 DB 0x62,0x93,0x62,0x93,0x62,0x93,0x62,0x93,0x62,0x93,0x62,0x93,0x5A,0x72,0x5A,0x52 DB 0x41,0xB0,0x31,0x2E,0x18,0xC8,0x10,0x86,0x10,0x4,0x6A,0x66,0xCC,0xE9,0xDC,0xCA DB 0x41,0x65,0x18,0x86,0x10,0x89,0x10,0xC7,0x10,0xA5,0x18,0x87,0x10,0x66,0x10,0xA6 DB 0x18,0x86,0x18,0xA7,0x20,0xC8,0x20,0xCA,0x28,0xEA,0x29,0xB,0x31,0x4B,0x31,0x4C DB 0x31,0x4D,0x31,0x8E,0x29,0x6C,0x81,0x8C,0xD1,0xA,0xD9,0x7,0xB9,0x66,0xB9,0x6DB 0x90,0xC4,0xA0,0xC5,0xB9,0x47,0xA8,0xC6,0xB1,0x27,0xDA,0x6C,0xDA,0xB,0xE1,0xEB DB 0xD9,0x68,0xC8,0xC7,0xB8,0xC6,0xD3,0x6F,0xFF,0x5C,0xF7,0xFF,0xE7,0xDE,0xEF,0x9FDB 0xCF,0x3D,0xCE,0xFC,0xCF,0x1D,0xD7,0x1D,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xBEDB 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF7,0xDF,0xF7,0xDF,0xEF,0x9E,0xEF,0x9EDB 0xE7,0x5E,0xDF,0x5E,0xD7,0x3E,0xCE,0xFD,0xCE,0xDD,0xC6,0xBC,0xBE,0x9C,0xBE,0x9C DB 0xBE,0x7B,0xB6,0x7B,0xBE,0x5B,0xBE,0x5B,0xBE,0x3B,0xBE,0x3B,0xBE,0x3B,0xBE,0x3B DB 0xBE,0x3A,0xBE,0x5B,0xBE,0x5B,0xC6,0x5B,0xC6,0x5B,0xC6,0x5B,0xC6,0x3B,0xC6,0x3B DB 0xBE,0x5B,0xBE,0x3B,0xBE,0x3B,0xB6,0x3B,0xB6,0x3B,0xB6,0x5B,0xB6,0x5B,0xB6,0x5B DB 0xB6,0x3B,0xB6,0x3B,0xB6,0x3B,0xAE,0x1B,0xAE,0x1A,0xAE,0x3A,0xAE,0x3B,0xAE,0x5B DB 0xB6,0x7C,0xBE,0x7C,0xC6,0xBC,0xCE,0xDD,0xD6,0xFD,0xD7,0x1D,0xD7,0x3E,0xD7,0x3E DB 0xD7,0x7F,0xC6,0xBC,0xAD,0xF9,0xA5,0xB8,0xB6,0x3A,0xD7,0x1E,0xCF,0x1E,0xB6,0x7B DB 0x95,0x97,0x9D,0xF8,0xA6,0x5A,0xA6,0x7A,0x9E,0x18,0x9D,0xD7,0xB6,0x5A,0xD7,0x3D DB 0xFF,0xFF,0xE7,0x7D,0xD7,0x1C,0xDF,0x7E,0xE7,0x7E,0xD6,0xFD,0xD6,0xDC,0xDF,0x1D DB 0xEF,0x9E,0xE7,0x3D,0xD6,0xDB,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xEF,0x9E,0x4A,0x69DB 0xD6,0xFC,0xDF,0x5E,0xDF,0x5E,0xCE,0xFD,0xC6,0xBC,0xBE,0x9C,0xB6,0x5B,0xB6,0x5B DB 0xAE,0x1A,0xAD,0xFA,0xAD,0xDA,0xAD,0xDA,0xAD,0xDA,0xBD,0xDA,0xC5,0xFA,0xCE,0x1A DB 0xC5,0xF9,0xC5,0xD9,0xC5,0xB9,0xBD,0xB8,0xBD,0xB8,0xBD,0x98,0xBD,0x98,0xBD,0x78 DB 0xAD,0x98,0xA5,0x98,0xA5,0x79,0xA5,0x79,0x9D,0x79,0xA5,0x99,0xAD,0xFA,0xB6,0x3B DB 0xB6,0x5B,0xBE,0x5B,0xB6,0x3C,0xAD,0xFA,0x9D,0xB9,0x9D,0x98,0xB5,0xB9,0xD5,0xFA DB 0xDE,0x1B,0xDE,0x1B,0xD5,0xDA,0xB5,0x99,0x9D,0x77,0xA5,0xD8,0xC6,0x9B,0xE7,0x3E DB 0xEF,0x7E,0xF7,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xF7,0xBF,0xEF,0x9EDB 0xF7,0x9D,0xEE,0x5A,0xBC,0x52,0xA4,0x51,0xC5,0xD7,0xEE,0xFC,0xF7,0x3E,0xD6,0xDC DB 0xD2,0x2B,0xB9,0x89,0xA0,0xC5,0xA0,0xC5,0xB1,0x6,0xB9,0x6,0xC1,0x7,0xD1,0x88DB 0xD9,0xCA,0xE2,0x4D,0xBA,0x6E,0x59,0x8C,0x41,0xCF,0x41,0xB1,0x51,0xF1,0x5A,0x71 DB 0x5A,0x73,0x5A,0x73,0x62,0x93,0x62,0x94,0x62,0x94,0x62,0x94,0x62,0x94,0x62,0x94 DB 0x62,0x93,0x62,0x93,0x62,0x93,0x62,0x94,0x62,0x94,0x62,0x93,0x62,0x73,0x5A,0x73。

12864液晶编程以及PROTUES仿真AMPIRE 128X64显⽰器1. LCD 接⼝液晶显⽰器件（LCD ）独具的低压、微功耗特性使他在单⽚机系统中特得到了⼴泛的应⽤，常⽤的液晶显⽰模块分为数显液晶模块、点阵字符液晶模块和点阵图形液晶模块，其中图形液晶模块在我国应⽤较为⼴泛，因为汉字不能像西⽂字符那样⽤字符模块即可显⽰，要想显⽰汉字必须⽤图形模块。

本课设所选择的LCD 是AMPIRE128×64的汉字图形型液晶显⽰模块，可显⽰汉字及图形，图形液晶显⽰显⽰器接⼝如图3-1所⽰。

C S 11C S 22G ND 3V C C 4V 05R S 6R /W 7E 8D B 09D B 110D B 211D B 312D B 413D B 514D B 615D B 716R S T 17-V o u t 18LCD2AMPIRE128X64图3-1 LCD 电路图表3.1 AMPIRE128×64接⼝说明表管脚电平说明管脚号1 CS1 H/L ⽚选择信号，低电平时选择前64列2 CS2 H/L ⽚选择信号，低电平时选择后64列3 GND 0V 逻辑电源地4 VCC 5.0V 逻辑电源正5 V0 LCD驱动电压，应⽤时在VEE与V0之间加⼀2K可调电阻6 RS H/L 数据\指令选择：⾼电平：数据D0-D7将送⼊显⽰RAM；低电平：数据D0-D7将送⼊指令寄存器执⾏7 R/W H/L 读\写选择：⾼电平：读数据；低电平：写数据8 E H/L 读写使能，⾼电平有效，下降沿锁定数据9 DB0 H/L 数据输⼊输出引脚10 DB1 H/L 数据输⼊输出引脚11 DB2 H/L 数据输⼊输出引脚12 DB3 H/L 数据输⼊输出引脚13 DB4 H/L 数据输⼊输出引脚14 DB5 H/L 数据输⼊输出引脚15 DB6 H/L 数据输⼊输出引脚16 DB7 H/L 数据输⼊输出引脚17 RST L 复位信号，低电平有效18 VOUT -10V LCD驱动电源2. 指令描述（1）显⽰开/关设置CODE：R/W RS DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 L L L L H H H H H H/L 功能：设置屏幕显⽰开/关。

1602程序
简介
1602程序是一种用于控制1602液晶屏幕的程序。

1602
液晶屏幕是一种常见的单色液晶显示屏，广泛应用于各种电子设备中。

这个程序能够实现在1602液晶屏幕上显示文本、数字和特殊字符等功能。

功能
1602程序具有以下功能：
1.文本显示：程序可以在1602液晶屏幕上显示自定
义的文本信息，可以显示多行文本，并且支持中英文字符。

2.数字显示：程序可以在1602液晶屏幕上显示数字，
并支持数字的滚动显示功能。

3.特殊字符显示：程序支持在1602液晶屏幕上显示
特殊字符，比如箭头、心形等。

使用方法
用户可以按照以下步骤来使用1602程序：
1.连接1602液晶屏幕：首先，将1602液晶屏幕与
单片机或其他控制器正确连接。

确保数据线和控制线的接口连接正确。

2.导入1602程序：将1602程序的代码导入到单片
机或其他控制器中，例如Arduino等。

3.设置程序参数：根据实际需求，在程序中设置相应
参数，例如要显示的文本内容、数字等。

4.运行程序：将控制器与电源连接，运行程序，即可
在1602液晶屏幕上看到相应的显示效果。

示例代码
下面是一个示例代码，演示了如何使用1602程序显示文本和数字：
```markdown #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() { lcd.begin(16, 2); lcd.print(。

//功能：LCD液晶显示程序，采用8位数据接口#include <iom16v.h>#include <macros.h> //库函数头文件，代码中引用了_nop()函数// 定义控制信号端口#define E 2#define RW 1#define RS 0//sbit RS=0xB0; //P3.0 sbit RS=P3^0;//sbit RW=0xB1; //P3.1//sbit E= 0xB2; //P3.2// 声明调用函数void lcd_w_cmd(unsigned char com); //写命令字函数void lcd_w_dat(unsigned char dat); //写数据函数unsigned char lcd_r_start(); //读状态函数void int1(); //LCD初始化函数void delay(unsigned char t); //可控延时函数void delay1(); //软件实现延时函数，5个机器周期void gong(void);void main() //主函数{unsigned char lcd[]="yin hai chang";unsigned char i;PORTC=0xff; // 送全1到P0口DDRC=0xff;PORTB=0xff; // 送全1到P0口DDRB=0xff;int1(); // 初始化LCDdelay(255);lcd_w_cmd(0x80); // 设置显示位置delay(255);for(i=0;i<13;i++) // 显示字符串{lcd_w_dat(lcd[i]);delay(200);}gong();lcd_w_cmd(0x8f);lcd_w_dat(0x00);while(1); // 原地踏步//函数名：delay//函数功能：采用软件实现可控延时//形式参数：延时时间控制参数存入变量t中//返回值：无void delay(unsigned char t){unsigned char j,i;for(i=0;i<t;i++)for(j=0;j<50;j++);}//函数名：delay1//函数功能：采用软件实现延时，5个机器周期//形式参数：无//返回值：无void delay1(){_NOP();_NOP();_NOP();}//函数名：int1//函数功能：lcd初始化//形式参数：无//返回值：无void int1(){lcd_w_cmd(0x3c); // 设置工作方式lcd_w_cmd(0x0f); // 设置光标lcd_w_cmd(0x01); // 清屏lcd_w_cmd(0x06); // 设置输入方式lcd_w_cmd(0x80); // 设置初始显示位置}//函数名：lcd_r_start//函数功能：读状态字//形式参数：无//返回值：返回状态字，最高位D7=0，LCD控制器空闲；D7=1,LCD控制器忙unsigned char lcd_r_start(){unsigned char s;PORTB=PINB|(1<<RW); //RW=1; //RW=1，RS=0，读LCD状态delay1();PORTB=PINB&(~(1<<RS)); //RS=0;delay1();PORTB=PINB|(1<<E); //E=1; //E端时序delay1();s=PINC; //从LCD的数据口读状态delay1();PORTB=PINB&(~(1<<E));//E=0;delay1();// RW=0;delay1();return(s); //返回读取的LCD状态字}//函数名：lcd_w_cmd//函数功能：写命令字//形式参数：命令字已存入com单元中//返回值：无void lcd_w_cmd(unsigned char com){unsigned char i;do { // 查LCD忙操作i=lcd_r_start(); // 调用读状态字函数i=i&0x80; // 与操作屏蔽掉低7位delay(2);} while(i!=0); // LCD忙，继续查询，否则退出循环PORTB=PINB&(~(1<<RW));//RW=0;delay1();PORTB=PINB&(~(1<<RS));//RS=0; // RW=0，RS=0，写LCD命令字delay1();PORTB=PINB|(1<<E); //E=1; //E端时序delay1();PORTC=com; //将com中的命令字写入LCD数据口delay1();PORTB=PINB&(~(1<<E));//E=0;delay1();// RW=1;delay(255);}//函数名：lcd_w_dat//函数功能：写数据//形式参数：数据已存入dat单元中//返回值：无void lcd_w_dat(unsigned char dat)unsigned char i;do { // 查忙操作i=lcd_r_start(); // 调用读状态字函数i=i&0x80; // 与操作屏蔽掉低7位delay(2);} while(i!=0); // LCD忙，继续查询，否则退出循环PORTB=PINB&(~(1<<RW)); //RW=0;delay1();PORTB=PINB|(1<<RS); //RS=1; // RW=1，RS=0，写数据delay1();PORTB=PINB|(1<<E); //E=1; // E端时序delay1();PORTC=dat; // 将dat中的显示数据写入LCD数据口delay1();PORTB=PINB&(~(1<<E)); //E=0;delay1();// RW=1;delay(255);}void gong(void){lcd_w_cmd(0x40);lcd_w_dat(0x1f);lcd_w_cmd(0x41);lcd_w_dat(0x1f);lcd_w_cmd(0x42);lcd_w_dat(0x04);lcd_w_cmd(0x43);lcd_w_dat(0x04);lcd_w_cmd(0x44);lcd_w_dat(0x04);lcd_w_cmd(0x45);lcd_w_dat(0x1f);lcd_w_cmd(0x46);lcd_w_dat(0x1f);lcd_w_cmd(0x47);lcd_w_dat(0x00);}。

#include<reg52.h> //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义#include<intrins.h>#include<math.h>#include<stdio.h>#include<absacc.h>#include<ctype.h>#include<stdlib.h>sbit RS = P2^4; //定义端口sbit RW = P2^5;sbit EN = P2^6;sbit P0_0 = P0^0;sbit P0_1 = P0^1;sbit P0_2 = P0^2;sbit P0_3 = P0^3;sbit P0_4 = P0^4;sbit P0_5 = P0^5;sbit P0_6 = P0^6;sbit P0_7 = P0^7;sbit P1_0 = P1^0;sbit P1_1 = P1^1;sbit P1_2 = P1^2;sbit P1_3 = P1^3;sbit P1_4 = P1^4;sbit P1_5 = P1^5;sbit P1_6 = P1^6;sbit P1_7 = P1^7;sbit P2_0 = P2^0;sbit P2_1 = P2^1;sbit P2_2 = P2^2;sbit P2_3 = P2^3;sbit P2_4 = P2^4;sbit P2_5 = P2^5;sbit P2_6 = P2^6;sbit P2_7 = P2^7;sbit P3_0 = P3^0;sbit P3_1 = P3^1;sbit P3_2 = P3^2;sbit P3_3 = P3^3;sbit P3_4 = P3^4;sbit P3_5 = P3^5;sbit P3_6 = P3^6;sbit P3_7 = P3^7;sbit B_0 = B^0;sbit B_1 = B^1;sbit B_2 = B^2;sbit B_3 = B^3;sbit B_4 = B^4;sbit B_5 = B^5;sbit B_6 = B^6;sbit B_7 = B^7;#define RS_CLR RS=0#define RS_SET RS=1#define RW_CLR RW=0#define RW_SET RW=1#define EN_CLR EN=0#define EN_SET EN=1#define DataPort P0unsigned char code C[]={'0','1','2','3','4','5','6','7','8','9'};/*------------------------------------------------uS延时函数，含有输入参数unsigned char t，无返回值unsigned char 是定义无符号字符变量，其值的范围是0~255 这里使用晶振12M，精确延时请使用汇编,大致延时长度如下T=tx2+5 uS------------------------------------------------*/void DelayUs2x(unsigned char t){while(--t);}/*------------------------------------------------mS延时函数，含有输入参数unsigned char t，无返回值unsigned char 是定义无符号字符变量，其值的范围是0~255 这里使用晶振12M，精确延时请使用汇编------------------------------------------------*/void DelayMs(unsigned char t){while(t--){//大致延时1mSDelayUs2x(245);DelayUs2x(245);}}/*------------------------------------------------判忙函数------------------------------------------------*/ bit LCD_Check_Busy(void){DataPort= 0xFF;RS_CLR;RW_SET;EN_CLR;_nop_();EN_SET;return (bit)(DataPort & 0x80);}/*------------------------------------------------写入命令函数------------------------------------------------*/ void LCD_Write_Com(unsigned char com) {while(LCD_Check_Busy()); //忙则等待RS_CLR;RW_CLR;EN_SET;DataPort= com;_nop_();EN_CLR;}/*------------------------------------------------写入数据函数------------------------------------------------*/ void LCD_Write_Data(unsigned char Data) {while(LCD_Check_Busy()); //忙则等待RS_SET;RW_CLR;EN_SET;DataPort= Data;_nop_();EN_CLR;}/*------------------------------------------------清屏函数------------------------------------------------*/void LCD_Clear(void){LCD_Write_Com(0x01);DelayMs(5);}/*------------------------------------------------写入字符串函数------------------------------------------------*/void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s) {if (y == 0){LCD_Write_Com(0x80 + x); //表示第一行}else{LCD_Write_Com(0xC0 + x); //表示第二行}while (*s){LCD_Write_Data( *s);s ++;}}/*------------------------------------------------写入字符函数------------------------------------------------*/void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data) {if (y == 0){LCD_Write_Com(0x80 + x);}else{LCD_Write_Com(0xC0 + x);}LCD_Write_Data( Data);}/*------------------------------------------------读入角度函数------------------------------------------------*/float READ_Angle(void){int i;float m;float angle;for(i=7;i=0;i--)B_0=P1_6;m=(B-1024)/819;angle=asin(m);return(angle);}/*------------------------------------------------初始化函数------------------------------------------------*/void LCD_Init(void){LCD_Write_Com(0x38); /*显示模式设置*/DelayMs(5);LCD_Write_Com(0x38);DelayMs(5);LCD_Write_Com(0x38);DelayMs(5);LCD_Write_Com(0x38);LCD_Write_Com(0x08); /*显示关闭*/LCD_Write_Com(0x01); /*显示清屏*/LCD_Write_Com(0x06); /*显示光标移动设置*/ DelayMs(5);LCD_Write_Com(0x0C); /*显示开及光标设置*/ }/*------------------------------------------------LCD显示函数------------------------------------------------*/void LCD_Display(unsigned i){ float angle;int m,n,c,d,e,an;angle=READ_Angle();an=(int)angle*1000;m=an%10;LCD_Write_Char(8,i,C[m]);an=an/10;n=an%10;LCD_Write_Char(7,i,C[n]);an=an/10;c=an%10;LCD_Write_Char(6,i,C[c]);an=an/10;d=an%10;LCD_Write_Char(4,i,C[d]);e=an/10;LCD_Write_Char(3,i,C[e]);LCD_Write_Char(5,i,'.');}/*------------------------------------------------主函数------------------------------------------------*/ void main(void){LCD_Init();LCD_Clear();//清屏while (1){LCD_Write_String(1,0,"X:");LCD_Write_String(1,1,"Y:");while(1);}}。

LCD驱动程序开发指南LCD驱动开发指引1、LCD驱动概述LCD驱动程序调试，是整个⼿机研发过程中⾮常重要的⼀个环节，在每个新的机型开发的初期，最先都要调试LCD驱动程序，我们俗称“点屏”。

“点屏”的调试包括两个部分，⼀是点亮LCD的背光，⼆是调试LCD显⽰。

背光驱动调试的⽅法与技巧，会在背光⽂档中叙述，暂不在这篇⽂档⾥讨论，本⽂将重点讨论LCD的电路原理、驱动程序分析、LCD驱动调试经验总结和具体驱动调试案例的分析。

2、LCD原理及电路分析相关概念：LCD：全称是Liquid Crystal Display 液晶显⽰屏LCM：全称是Liquid Crystal Module指的是液晶显术模块，包括液晶屏及液晶的外围FPC电路和结构件。

LCD的FPC电路：指LCM模块中的液晶外围电路，这部分电路由LCD模组⼚家按照我们对LCD的接⼝要求进⾏设计的。

在LCD驱动调试中，看FPC电路图也是很重要的⼀个环节。

LCD外围电路：我们通常也简称为LCD电路，指的是baseband端的LCD接⼝电路部分，这部分电路由我们⾃⾏设计。

LCD模组⼚家：指信利，天马，京东⽅这些⼚家。

他们将LCD制作成可以供我们⽣产使⽤的LCM模组。

2.1LCD芯⽚介绍⽬前⼿机使⽤的⼤部分显⽰器件都是LCD（Liguid Crystal Display）器件，⽬前康佳使⽤的LCM模块由信利、京东⽅、天马、凌达这⼏家⼚商供货。

但是LCM⽣产⼚家对我们调试驱动并没有任何关系，我们需要了解的是LCM所使⽤的IC型号。

因为，我们实际上是对LCD的IC进⾏编程，间接控制LCD⾯板，常⽤的IC有HD66773、S6B33B2/ S6B33B6、HD66777等。

LCD驱动的编程，除了要关注IC的型号，还要关注LCD FPC的电路设计，LCD外围电路设计，基带芯⽚的LCD接⼝单元，背光IC的控制等⼏个⽅⾯，当然也包括软件的上层程序。

下⾯我们就先了解⼀下LCD IC的内部结构，这是编程要关注的最主要⽅⾯。

《CPLD/FPGA 》课程设计报告题目：128X64液晶显示程序设计院（系）：信息科学与工程学院专业班级：通信1001班学生姓名：訚鹏学号：20101181021同组学生：秦佩指导教师：吴莉20 13 年 10 月 14 日至20 13 年 10 月 25 日华中科技大学武昌分校制128X64液晶显示程序设计课程设计任务书目录摘要 (3)1.课程设计的目的 (4)2.课程设计题目和要求 (4)3.课程设计报告内容 (4)3.1课程设计原理 (4)3.2课程设计相关图 (5)3.3课程设计程序 (6)3.4课程设计的结果 (14)3.5课程设计的波形仿真 (15)4.课程设计所遇到的问题及解决方案 (15)5.课程设计总结 (17)摘要在硬件电子电路设计领域中，电子设计自动化（EDA）工具已成为主要的设计手段，而VHDL语言是EDA的关键技术之一，它采用自顶向下的设计方法，即从系统总体出发，自上至下地将设计任务分为不同的功能模块，最后将各功能模块连接形成顶层模块，完成系统硬件的整体设计。

本课设主要是基于FPGA的128X64的液晶显示控制器。

控制部分采用VHDL语言编写，主体程序采用状态机作为主要控制方式。

关键字：VHDL,状态机，128641 课程设计的目的通过对液晶屏的安装调试，需学习掌握：（1）液晶屏显示文字的整体设计流程。

（2）Quartus2软件的调试方法及相关工具的使用。

（3）液晶屏LCD12864的使用方法。

（4）各种常见元器件的选择及使用。

2 课程设计题目描述和要求题目描述：频率计的设计制作要求：用VHDL编程控制LCD12864显示的频率计。

（1）用LCD12864显示“频率及姓名”等内容。

（2）显示过程：实验板通电开机后，下载运行之后，LCD显示器显示“频率及姓名”，本组成员等内容。

（3）熟悉单片机系统的工作原理及调测方法。

软硬件安装调测完成后根据系统的工作原理、过程、测试数据及遇到的问题与处理情况、体会等完成课设报告。

HT1625液晶屏驱动程序#include <reg51.h>#define uchar unsigned char#define SYSDIS 0x00#define SYSEN 0x01#define LCDOFF 0x02#define LCDON 0x03#define TIMERDIS 0x04#define WDTDIS 0x05#define TIMEREN 0x06sbit LCS=P3^4; //片选sbit LRD=P1^5; //读（上升沿）sbit LWR=P1^6; //写（上升沿）sbit LDA=P1^7; //数据sbit LIGHT=P3^6; //背光sbit LIRQ=P3^2; //看门狗（计数器）溢出标志回馈给中断//空延时void nop(){uchar i ;for(i=0;i<5;i++);}/*************************************** 给1625发送命令和地址***************************************/void SendBit_1625(uchar mdata, uchar cnt) //mdata 的高cnt 位写入HT1625，高位在前{uchar i;for(i =0; i <cnt; i ++){if((mdata&0x80)==0)LDA=0;elseLDA=1;LWR=0;nop();LWR=1;mdata<<=1;}}/*************************************** 给1625发送数据***************************************/void SendDataBit_1625(uchar mdata,uchar cnt) //mdata 的低cnt 位写入HT1625，低位在前{uchar i;for(i =0; i <cnt; i ++){if((mdata&0x01)==0) LDA=0;else LDA=1;LWR=0;nop();LWR=1;mdata>>=1;}}/***************************************读一个地址**************************************uchar Read_1625(uchar addr,uchar cnt){uchar i,rd=0x00;LCS=0;SendBit_1625(0xc0,3); //读入标志码"110"SendBit_1625(addr<<1,7); //写入7 位addr//读入的数据放在rd的低4 位for(i=0; i<cnt; i++){if(LDA) rd|=0x08;else rd&=0xf7;LRD=0;nop();LRD=1;rd>>=1;}if(LDA) rd|=0x08;else rd&=0xf7;LCS=1;return rd;}*//*************************************** 给1625发送命令控制字--参考define定义***************************************/void SendCmd(uchar command){LCS=0;SendBit_1625(0x80,3); //写入标志码"100"SendBit_1625(command,9); //写入9 位数据,其中前8 位为command 命令,最后1 位任意LCS=1;}/*************************************** 写一个地址***************************************/void Write_1625(uchar addr,uchar mdata){LCS=0;SendBit_1625(0xa0,3); //写入标志码"101"SendBit_1625(addr<<1,7); //写入7 位addrSendDataBit_1625(mdata,4); //写入mdata 的低4 位LCS=1;}/*************************************** 从一个地址开始连续写***************************************/void WriteAll_1625(uchar addr,uchar *p,uchar cnt){uchar i;LCS=0;SendBit_1625(0xa0,3); //写入标志码"101"SendBit_1625(addr<<1,7); //写入7 位addrfor(i =0; i <cnt; i ++,p++) //连续写入数据{SendDataBit_1625(*p,8);}LCS=1;}/*************************************** 清屏***************************************/void clear(){uchar i,p;p=0x00; //连续写入数据0LCS=0;SendBit_1625(0xa0,3); //写入标志码"101"SendBit_1625(0x00,7); //写入7 位addr 从0地址开始for(i =0; i <64; i ++) //连续写入数据0{SendDataBit_1625(p,8);}LCS=1;/*uchar i;for(i=0;i<64;i++){BUFFER[i]=0x00;}WriteAll_1625(0,BUFFER,64);*/}/*************************************** 满屏测试***************************************/void test(){uchar i,p;p=0xFF; //连续写入数据FLCS=0;SendBit_1625(0xa0,3); //写入标志码"101"SendBit_1625(0x00,7); //写入7 位addr 从0地址开始for(i =0; i <64; i ++) //连续写入数据F{SendDataBit_1625(p,8);}LCS=1;/*uchar i;for(i=0;i<64;i++)BUFFER[i]=0xff;}WriteAll_1625(0,BUFFER,64); */}。

/＊---—-—--—--—---—--—-——------—-—--—--—————----—-——----—-—-—-————-320x240彩屏液晶驱动程序-——----—--—--—-—-———-——--——-————-——---—--—-—-—----———-----—-——--*/＃include"R61505.h"#include”reg52.h”/＊-——-——--—-—-———-—————---—-—----—----—--—-—-———------————----——--全局变量-—--—--——--——————————----————-—--——-—--——-—-—--—---—-———--———-—-*/#define WINDOW_XADDR_START 0x0050 // Horizontal Start Address Set#define WINDOW_XADDR_END 0x0051 // Horizontal End Address Set#define WINDOW_YADDR_START 0x0052 // Vertical Start Address Set#define WINDOW_YADDR_END 0x0053 // Vertical End Address Set＃define GRAM_XADDR 0x0020 // GRAM Horizontal Address Set#define GRAM_YADDR 0x0021 // GRAM Vertical Address Set＃define GRAMWR 0x0022 // memory write#define DataPort P0 //数据口使用DataPort/*——-——————--—-------——------——-—-—-—-———--—-—-————-—-—--——--—-—--定义TFT硬件控制端口--—————-—-—--—————--——-———————-——-——--———----—-——-—--—-—-———————＊/sbit CS =P2^2; //片选sbit RES =P2^1; //复位sbit RS =P2^5; //数据/命令选择sbit RW =P2^4； //写数据/命令//================/＊-———-———-——---——--———-—————-—————--—--—-———-—-————————--—----—-—清屏函数输入参数：bColor 清屏所使用的背景色——-—-—-—--————----—————-—-—-———-———--—-—---—---—---—-—-—----——--＊/void CLR_Screen(unsigned int bColor）{unsigned int i，j；LCD_SetPos(0,240,0，320)；//320x240for （i=0；i<320;i++)｛｝/*—-—-—-——---——------———--—--—--—--——--———--———-———-—-——-——-—---—-显示英文字符输入参数:x 横坐标y 纵坐标c 需要显示的字符fColor 字符颜色bColor 字符背景颜色-———————---——-—-——-——-—-——-————-———-——--------—-—————--—-—-—---—＊/#include ”8X16。

12864使用说明一、串/并接口1.1 串口接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。

*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。

*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。

1.2 并行接口管脚信号*注释1：如在实际应用中仅使用并口通讯模式，可将PSB 接固定高电平。

*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。

*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK 用焊锡短接。

二、模块主要硬件构成说明控制器接口信号说明：2.1、RS，R/W的配合选择决定控制界面的4种模式：2.2、E信号●忙标志BFBF 标志提供内部工作情况.BF=1 表示模块在进行内部操作,此时模块不接受外部指令和数据.BF=0 时, 模块为准备状态,随时可接受外部指令和数据.利用STATUS RD 指令,可以将BF 读到DB7 总线,从而检验模块之工作状态.●字型产生ROM（CGROM）字型产生ROM（CGROM）提供8192 个此触发器是用于模块屏幕显示开和关的控制。

DFF=1 为开显示（DISPLAY ON),DDRAM 的内容就显示在屏幕上，DFF=0 为关显示（DISPLAY OFF)。

DFF 的状态是指令DISPLAY ON/OFF 和RST 信号控制的。

●显示数据RAM（DDRAM）模块内部显示数据 RAM 提供 64×2 个位元组的空间，最多可控制 4 行 16 字（64 个字）的中文字型显示，当写入显示数据 RAM 时，可分别显示 CGROM 与CGRAM 的字型；此模块可显示三种字型，分别是半角英、数字型(16*8)、CGRAM 字型及 CGROM 的中文字型。

三种字型的选择，由在 DDRAM 中写入的编码选择，在0000H—0006H 的编码中（其代码分别是 0000、0002、0004、0006 共 4 个）将选择 CGRAM 的自定义字型，02H—7FH 的编码中将选择半角英数字的字型，至于A1 以上的编码将自动的结合下一个位元组，组成两个位元组的编码形成中文字型的编码BIG5（A140—D75F），GB（A1A0-F7FFH）。

TFT液晶显示时钟程序说明：该程序文件中包含三个.c文件和三个.h文件，方便读者理解程序的层次性和关联性。

该程序的功能是利用51单片机实现逻辑控制，在液晶显示屏上显示动态时钟。

1. shizhong.c（实际上是主程序）：#include "REG51.H"#include "gui.h"unsigned char count;#define key P1sbit K=P2^0;unsigned char a;unsigned char b;unsigned char c;unsigned char d;unsigned char e;unsigned char f;unsigned char g;unsigned char sw;unsigned char h1=0;unsigned char h2=0;unsigned char h3=0;unsigned int q;void Keyboard(){unsigned int k;key=0xf0;if(key!=0xf0){for(q=0;q<800;q++);if(key!=0xf0){key=0x0f;switch(key){case(0x0e): k=0; break;case(0x0d): k=4; break;case(0x0b): k=8; break;case(0x07): k=12; break;}key=0xf0;switch(key){case(0xe0): k=k; break;case(0xd0): k=k+1; break;case(0xb0): k=k+2; break;case(0x70): k=k+3; break;}while(key!=0xf0);switch(k){case 0: f++; P0=0x01; if(f==3) {f=0;} break;case 1: e++; P0=0x02;if(f<2){if(e==10) {e=0;}} if(f==2){if(e==4){e=0;}} break;case 2: d++; P0=0x04;if(d==6) {d=0;} break;case 3: c++; P0=0x08;if(c==10) {c=0;} break;case 4: b++; P0=0x10;if(b==6) {b=0;} break;case 5: a++; P0=0x20;if(a==10) {a=0;} break;case 6: sw=0;break;case 7: sw=1; break;}}}}void jishu(){K=1;if(K==0){for(q=0;q<800;q++);if(K==0){h1++;if(h1==10){h1=0;h2++;if(h2==10){h2=0;h3++;}}}}GUI_WriteASCII(0, 50, h3, RED, WHITE);GUI_WriteASCII(16, 50, h2, RED, WHITE);GUI_WriteASCII(32, 50, h1, RED, WHITE); }void main (void){TFT_Init();TFT_ClearScreen(BLACK);EA=1;ET1=1;TMOD=0x10;TH1=15536/256;TL1=15536%256;TR1=1;a=0;b=0;c=0;d=0;e=0;f=0;g=10;count=0;sw=1;GUI_WriteASCII(0, 50, 0, RED, WHITE);GUI_WriteASCII(16, 50, 0, RED, WHITE);GUI_WriteASCII(32, 50, 0, RED, WHITE);while(1){while(sw){TR1=1;jishu();if(count>=20){count=0;a++;if(a==10){a=0;b++;{b=0;c++;if(c==10){c=0;d++;if(d==6){d=0;e++;if(f<2&&e==10){e=0;f++;}if(f==2&&e==4){f=0;e=0;}}}}}GUI_WriteASCII(0, 0, f, RED, WHITE);GUI_WriteASCII(16, 0, e, RED, WHITE);GUI_WriteASCII(32, 0, g, RED, WHITE);GUI_WriteASCII(48, 0, d, RED, WHITE);GUI_WriteASCII(64, 0, c, RED, WHITE);GUI_WriteASCII(80, 0, g, RED, WHITE);GUI_WriteASCII(96, 0, b, RED, WHITE);GUI_WriteASCII(112,0, a, RED, WHITE);}Keyboard();}Keyboard();GUI_WriteASCII(0, 0, f, RED, WHITE);GUI_WriteASCII(16, 0, e, RED, WHITE);GUI_WriteASCII(32, 0, g, RED, WHITE);GUI_WriteASCII(48, 0, d, RED, WHITE);GUI_WriteASCII(64, 0, c, RED, WHITE);GUI_WriteASCII(80, 0, g, RED, WHITE);GUI_WriteASCII(96, 0, b, RED, WHITE);GUI_WriteASCII(112,0, a, RED, WHITE);TR1=0;}}void Time1(void) interrupt 3{count++;TH1=15536/256;TL1=15536%256;}2. gui.c：#include"gui.h"#include"charcode.h"#ifdef USE_ASCIIvoid GUI_WriteASCII(uchar x, uchar y, uchar p, uint wordColor, uint backColor) {uchar j, wordByte,wordNum;uint color;wordNum = p;TFT_SetWindow(x,y,x+15, y+23);for (wordByte=0; wordByte<48; wordByte++){color = ASCII16x24[wordNum][wordByte];for (j=0; j<8; j++){if ((color&0x80) == 0x80){TFT_WriteData(wordColor);}else{TFT_WriteData(backColor);}color <<= 1;}}}#endif3. driver.c ：#include "driver.h"/************************************************************************** ***函数名：TFT_WriteCmd*输入：cmd*输出：*功能：写命令。