请教12864(ST7920)液晶滚动显示的程序问题_软件运维

7920只能驱动32路，12864为两改孝个7920控制，你旁厅想一个一个的卷动必须设置CS1,CS2,加入CS1上屏，CS2，下屏，你先控核启稿制CS1=0,CS2=1然后COM地址加一，32以后，CS2=0,CS1=1然后COM地址加一就搞定

/*************************************************

名称：LCD12864_ST7920并行测试程序

试验功能：测试基于ST7920控制芯片的LCD12864的显示

并行方式连接；晶振11.0592M

编写：JiangX.net

*************************************************/

#include <reg52.h>

#include <ziku.h>

#include <intrins.h>

#include <string.h>

#define uchar unsigned char

#define uint unsigned int//宏定义

#define ulong unsigned long

#define Channal_A 1//通道A

#define Channal_B 2//通道B

#define Channal_AB3//通道A&B

//**************************一下为函数声明修**************************************

static void DA_conver(uint Dignum)

extern void Write_A_B(uint Data_A,uint Data_B,uchar Channal,bit Model)

//**************************修改硬件时要修改的部分********************************

sbit DIN = P0^0//数据输入端

sbit SCLK = P0^1//时钟信号

sbit CS= P0^2//片选输入端，低电平有效

/*MAX187接口定义*/

sbit MAX187_CS= P2^6

sbit MAX187_DO= P2^5

sbit MAX187_SK= P2^7

/*****13864LCD接口定义*****/

sbit LCD_RS = P3^7//1:输入数据；0:输入命前庆野令

sbit LCD_RW = P2^7//1:读数据 0:写数据

sbit LCD_EN = P2^6//LCM使能端

sbit LCD_PSB = P2^3//串并口选择 1:并口模式0:串口模式

#define LCD_DATA P1 //LCD总线端口

/*****LCD功能初始化指令*****/

#define CLEAR_SCREEN 0x01 //清屏指令：清屏且AC值为00H

#define AC_INIT 0x02 //将AC设置为00H。且游标移到原点位置

#define CURSE_ADD 0x06 //设定游标移到方向及图像整体移动方向（差弊默认游标右移，图像整体不动）

#define FUN_MODE 0x30 //工作模式：8位基本指令集

#define DISPLAY_ON 0x0c //显示开,显示游标，且游标位置反白

#define DISPLAY_OFF 0x08 //显示关

#define CURSE_DIR 0x14 //游标向右移动:AC=AC+1

#define SET_CG_AC 0x40 //设置AC，范围为：00H~3FH

#define SET_DD_AC 0x80

/*****汉字地址表*****/

uchar code addr_tab[]={ //便于根据汉字坐标求出地址

0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,//第一行汉字位置

0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,//第二行慧喊汉字位置

0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,//第三行汉字位置

0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,//第四行汉字位置

}

//------------全局变量定义-------------

uchar first[]="MAX187 "

uchar show187[]="12345"

//uchar code shw187[]="123456"

uchar error[]="ERROR!"

ulong vv

/*****n（ms）延时子程序*****/

void delayms(uint t) //约延时n（ms）

{

uint i

while(t--)

{

for(i=0i<125i++)

}

/*****等待LCD忙*****/

void WaitBusy(void) //延时一小段时间，等待LCD空闲

{

uchar i=5

while(i--)

}

/*****写指令代码*****/

void Lcd_WriteCmd(uchar cmdcode)

{

LCD_RS = 0

LCD_RW = 0

LCD_EN = 1

WaitBusy()

LCD_DATA = cmdcode

LCD_EN = 0

}

/*****写数据*****/

void Lcd_WriteData(uchar dispdata)

{

LCD_RS = 1

LCD_RW = 0

LCD_EN = 1

WaitBusy()

LCD_DATA = dispdata

LCD_EN = 0

}

/*****初始化LCD*****/

void Lcd_Init()

{

LCD_PSB = 1

delayms(50)

Lcd_WriteCmd(0x30) //选择基本指令集

delayms(1)

Lcd_WriteCmd(0x30) //选择8bit数据流

delayms(1)

Lcd_WriteCmd(0x0c) //开显示(无游标、不反白)

delayms(1)

Lcd_WriteCmd(0x01) //清除显示，并且设定地址指针为00H

delayms(20)

}

/*****显示汉字*****/

void hanzi_Disp(uchar x,uchar y,uchar *s)

{ //x、y为汉字坐标

Lcd_WriteCmd(addr_tab[8*x+y]) //写地址

while(*s>0)

{

Lcd_WriteData(*s) //写数据

s++

}

/*****显示图片（显示Gdram内容）*****/

/*绘图显示的步骤

1 关闭绘图显示功能

2 先将垂直的坐标(Y)写入绘图RAM地址

3 再将水平的位元组坐标(X)写入绘图RAM地址

4 将D15－D8写入RAM中

5 将D7－D0写入到RAM中

6 打开绘图显示功能*/

//图片取模方式：横向取模，字节正序

void pic_Disp(uchar *pic)//显示Gdram内容（显示图片）

{

uchar x,y,i

for(i=0i<9i=i+8)

for(y=0y<32y++)

{

for(x=0x<8x++)

{

Lcd_WriteCmd(0x36) //扩充指令，开绘图显示

Lcd_WriteCmd(0x80+y) //行地址

Lcd_WriteCmd(0x80+x+i) //列地址

Lcd_WriteData(*pic++) //写数据 D15－D8

Lcd_WriteData(*pic++) //写数据 D7－D0

Lcd_WriteCmd(0x30)

}

/*max187延时程序*/

void delay_MS(uint ms)//普通延时MS级

{ uint i,j

for(i=0i<msi++)

{for(j=0j<1141j++)}

}

void delay_uS(uint us)//普通延时US级

{ uint i,j

for(i=0i<usi++)

{ for(j=0j<10j++)}

}

//MAX187读程序

unsigned int MAX187read(void)

{

uchar H,L,i

uint count //16位变量

MAX187_CS=0 //低电平有效,开始转换

delay_uS(2) //延时8.5μ等待转换结束

MAX187_SK=1

MAX187_SK=0

H=0//高位变量清零

for(i=0i<4i++) //高4位

{

MAX187_SK=1

if(MAX187_DO) H++ //位标量,如为1则H加1,如为0则跳过

MAX187_SK=0

if(i!=3)

H<<=1

}

L=0

for(i=0i<8i++) //低8位

{

MAX187_SK=1

if(MAX187_DO) L++ //位标量,如为1则L加1,如为0则跳过

MAX187_SK=0

if(i!=7)

L<<=1

}

delay_uS(1)

MAX187_CS=1

count=0

count=L

return count

}

void MAX187_data()

{

vv=MAX187read()

vv=vv*2*4096/4093

show187[0]=vv/1000+'0'

show187[1]='.'

show187[2]=vv/100%10+'0'

show187[3]=vv/10%10+'0'

show187[4]=vv%10+'0'

show187[5]='\0'

}

/*****主函数*****/

void main(void)

{

uchar volt,number

number=2

volt=0x30+number

Lcd_Init()

while(1)

{

Lcd_Init()

hanzi_Disp(0,1,"山东天工机电")

hanzi_Disp(1,2,"智能充电机")

hanzi_Disp(2,0,"www.sdtgjd.com")

hanzi_Disp(3,3,"")

delayms(1000)

Lcd_Init()

hanzi_Disp(1,2,"充电电流：")

//delayms(500)

//Lcd_Init()

MAX187_data()

hanzi_Disp(2,3,show187)

delayms(1500)

Write_A_B(0x0fff,0x0000,Channal_A,0) //测量A通道

//Write_A_B(0x0000,0x0600,Channal_B,1) //测量B通道

// Write_A_B(0x0504,0x0a47,Channal_AB,1) //测量AB通道，测量时需屏蔽上面两句

//while(1)

}

//=================================================================

// 函数名称：void DA_conver(uint Dignum)

// 函数功能：进行DA转换

// 入口参数：Dignum:根据说明设置转化数据.头四位为特殊位用于选择转化方式,

//以及用于通道选择.请自行设置.后12位为需要转换的值

// 出口参数：无

//=================================================================

void DA_conver(uint Dignum)

{

uint Dig=0

uchar i=0

SCLK=1

CS=0 //片选有效

for(i=0i<16i++) //写入16为Bit的控制位和数据

{

Dig=Dignum&0x8000

if(Dig)

{

DIN=1

}

else

{

DIN=0

}

SCLK=0

_nop_()

Dignum<<=1

SCLK=1

_nop_()

}

SCLK=1

CS=1 //片选无效

}

//=================================================================

// 函数名称：void Write_A_B(uint Data_A,uint Data_B,uchar Channal,bit Model)

// 函数功能：模式、通道选择并进行DA转换

// 入口参数：Data_A：A通道转换的电压值

//Data_B：B通道转换的电压值

//Channal：通道选择，其值为Channal_A，Channal_B,或Channal_AB

//Model：速度控制位 0：slow mode 1：fast mode

// 出口参数：无

// 说明： Data_A，Data_B的范围为：0-0x0fff

//本程序如果只需要一个通道时，另外一个通道的值可任意，但是不能缺省

//=================================================================

void Write_A_B(uint Data_A,uint Data_B,uchar Channal,bit Model)

{

uint Temp

if(Model)

{

Temp=0x4000

}

else

{

Temp=0x0000

}

switch(Channal)

{

case Channal_A: //A通道

DA_conver(Temp|0x8000|(0x0fff&Data_A))

break

case Channal_B: //B通道

DA_conver(Temp|0x0000|(0x0fff&Data_B))

break

case Channal_AB:

DA_conver(Temp|0x1000|(0x0fff&Data_B)) //A&B通道

DA_conver(Temp|0x8000|(0x0fff&Data_A))

break

default:

break

}

//LCD12864字库系列(控制器ST7920A),单片机:89S52,晶振:12M,

//串口连接与并口连接（串口时屏蔽并行模块）

//并行连接方式,P2.0-RS,P2.1-RW,P2.2-E

#include<reg52.h>

#include <intrins.h>

sbit RS=P3^2//串口时为CS

sbit RW=P3^1//串李碧敬口为SID

sbit E=P3^0 //串口为时钟SCLK

sbit stop=P2^2

sbit PSB=P3^4

sbit REST=P3^3

//以下是用<at89x51.h>头文件的定义

#define RS P2_0

#define RW P2_1 //定义引脚

#define E P2_2

#define PSB P2_3

#define REST P2_4

#define Data P1

#include<at89x51.h>

#define BF0x80 //用于检测LCM状态字中的Busy标识

typedef unsigned int Uint

typedef unsigned char Uchar

//字符串例子

//"F1--English",也可以往里面写入汉字码,一个汉字由两个码组成

const Uchar F1English[]={0x46,0x31,0x2d,0x2d,0x45,0x6e,0x67,0x6c,0x69,0x73,0x68,0x00}

const Uchar lengthF1=6 //字符串长度

//汉字,直接可以慧坦写入字形

unsigned char code uctech[] = {"有限公司"}

const Uchar lengthCF3=8

Uchar code TAB1[]={

/*-- 调入了一幅图像：D:\公司的文件\程序图片\未命名哪慎11.bmp --*/

/*-- 宽度x高度=128x64 --*/

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

0x05,0xAE,0x90,0x00,0x00,0x00,0x00,0x00,

0x95,0x55,0x48,0x80,0x00,0x00,0x00,0x00,

0x2B,0x55,0x00,0x00,0x00,0x00,0x00,0x00,

0xA8,0x00,0x22,0x15,0x20,0x00,0x00,0x00,

0x97,0xFB,0x00,0x00,0x00,0x00,0x00,0x00,

0x45,0x55,0x08,0xA0,0x00,0x00,0x00,0x0A,

0x6F,0xF4,0x00,0x00,0x00,0x00,0x00,0x00,

0xB2,0x80,0x40,0x00,0x04,0x40,0x00,0x00,

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

0x4D,0x55,0x15,0x15,0x20,0x00,0x00,0x95,

0xD5,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0xFF,0xE8,0x40,0x40,0x00,0x00,0x00,0x4A,

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

0xFF,0xFF,0x2A,0x00,0x40,0x00,0x00,0x15,

0x54,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0xFF,0xFD,0xD0,0xAA,0x01,0x00,0x00,0x25,

0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x00,

0xFF,0xFF,0xB6,0x00,0x10,0x00,0x01,0x4A,

0x49,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0xFF,0xFF,0xFD,0xE8,0x40,0x00,0x00,0x11,

0x00,0x24,0x84,0x00,0x00,0x00,0x00,0x00,

0xAB,0xFF,0xFF,0x55,0x00,0x00,0x00,0x24,

0x02,0x49,0x5E,0xA0,0x00,0x00,0x00,0x00,

0x84,0xBF,0xFF,0xF4,0x88,0x00,0x00,0x00,

0x10,0x05,0xFF,0xF4,0x00,0x00,0x00,0x00,

0x29,0x0B,0xFF,0xFA,0x20,0x00,0x00,0x00,

0x02,0xBF,0xFF,0xFC,0x00,0x00,0x00,0x00,

0x44,0xA0,0x57,0xFD,0x80,0x00,0x00,0x00,

0x08,0x5F,0xFF,0xFF,0x80,0x00,0x00,0x00,

0x91,0x0A,0xAA,0xF6,0x50,0x00,0x00,0x00,

0x41,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,

0x44,0xA0,0x01,0x1B,0x84,0x00,0x00,0x00,

0x26,0xFF,0xFF,0xFF,0x90,0x00,0x00,0x00,

0x11,0x0A,0xAA,0x6D,0x68,0x00,0x00,0x00,

0x0B,0xFB,0xFF,0xEF,0xE0,0x00,0x00,0x00,

0xC4,0xA0,0x01,0x02,0x80,0x00,0x00,0x00,

0x43,0xF1,0xFE,0x63,0xF0,0x00,0x00,0x00,

0x15,0x55,0x54,0x55,0x6A,0x00,0x00,0x00,

0x9F,0xE3,0xFC,0x87,0x38,0x00,0x00,0x00,

0xCA,0xAB,0x91,0x00,0x90,0x00,0x00,0x00,

0x07,0xC1,0xFA,0x2A,0x80,0x00,0x00,0x00,

0x25,0xFF,0xFE,0x95,0x2A,0x00,0x00,0x00,

0x2F,0x13,0xFE,0xFC,0x10,0x00,0x00,0x00,

0x95,0xFF,0xFF,0xC0,0x50,0x00,0x00,0x00,

0x0F,0x41,0xFF,0xF3,0x80,0x00,0x00,0x00,

0x4F,0xFF,0xFF,0xF9,0x2A,0x00,0x00,0x00,

0x9F,0x08,0xFF,0xD4,0x00,0x00,0x00,0x00,

0xB3,0xFF,0xFF,0xFE,0x54,0x80,0x00,0x00,

0x1E,0xA0,0x7F,0xA0,0x00,0x00,0x00,0x00,

0x5F,0xFE,0x7F,0xFE,0xAA,0x00,0x00,0x00,

0x5F,0x57,0xFE,0x00,0x00,0x00,0x00,0x00,

0xAF,0xFD,0x7F,0xFF,0x94,0x80,0x00,0x00,

0x1F,0xFE,0xE8,0x00,0x00,0x00,0x00,0x00,

0x7F,0xFA,0x7F,0x5F,0xCA,0x00,0x00,0x00,

0x3F,0x55,0x00,0x00,0x00,0x00,0x00,0x00,

0xAF,0xF1,0x7F,0xDE,0xF5,0x40,0x00,0x00,

0x1A,0xA0,0x80,0x00,0x00,0x00,0x00,0x00,

0xDF,0xF2,0x3F,0xFC,0xC2,0x00,0x00,0x00,

0x50,0x08,0x00,0x00,0x00,0x00,0x00,0x00,

0x2F,0xFA,0xBF,0xFF,0xF4,0xA0,0x00,0x00,

0x05,0x42,0x00,0x00,0x00,0x00,0x00,0x00,

0x97,0xFE,0x3F,0xFF,0xE3,0x00,0x00,0x00,

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

0x68,0xFF,0xDF,0xD5,0x78,0x40,0x00,0x00,