www.pudn.com > t6963.rar > 8.23.c
#include
#include
#include"ZK.h"
#include
#define uchar unsigned char
#define uint unsigned int
#define C_ADD XBYTE[0x0100]//指令通道地址
#define D_ADD XBYTE[0x0000]//数据通道地址
#define CR 30//显示区宽度，32字节
//sbit RD=P3^7;
//sbit WR=P3^6;
void delay(int i){
while(i--);
}
/*-----------------------------------------------------------------------------------------
**函数名：ReadStateWord()
**功能：读取状态字
**参数：void
**返回：uchar 液晶状态字
------------------------------------------------------------------------------------------*/
uchar ReadStateWord(){
uchar a=0;
a=C_ADD;
return a;
}
/*----------------------------------------------------------------------------------------
**函数名：Test_S1_S0()
**功能：判断状态位S1，S0(读写指令与读写数据状态）
**参数：void
**返回：bit 0:忙,1:准备好
------------------------------------------------------------------------------------------*/
bit Test_S1_S0(void){
if((ReadStateWord()&0x03)==0x03)
return 1;
else
return 0;
}
/*----------------------------------------------------------------------------------------
**函数名：Test_S2()
**功能：判断状态位S2（数据自动读状态）
**参数：void
**返回：bit 0:忙,1:准备好
------------------------------------------------------------------------------------------*/
bit Test_S2(void){
if((ReadStateWord()&0x04)==0x04)
return 1;
else
return 0;
}
/*----------------------------------------------------------------------------------------
**函数名：Test_S3()
**功能：判断状态位S3（数据自动写状态）
**参数：void
**返回：bit 0:忙,1:准备好
------------------------------------------------------------------------------------------*/
bit Test_S3(void){
if((ReadStateWord()&0x08)==0x08)
return 1;
else
return 0;
}
/*----------------------------------------------------------------------------------------
**函数名：Test_S6()
**功能：判断状态位S6（屏读/拷屏状态）
**参数：void
**返回：bit 0:正确,1:出错
------------------------------------------------------------------------------------------*/
bit Test_S6(void){
if((ReadStateWord()&0x40)==0x40)
return 1;
else
return 0;
}
/*----------------------------------------------------------------------------------------
**函数名：WriteCommand_0()
**功能：写入无参数指令
**参数：comm 写入的指令数据
**返回：void
------------------------------------------------------------------------------------------*/
void WriteCommand_0(uchar comm){
while(Test_S1_S0()==0);
C_ADD=comm;//????????????????
}
/*----------------------------------------------------------------------------------------
**函数名：WriteData()
**功能：写入数据
**参数：dat写入的指令数据
**返回：void
------------------------------------------------------------------------------------------*/
void WriteData(uchar dat){
while(Test_S1_S0()==0);
D_ADD=dat;//????????????????
}
/*----------------------------------------------------------------------------------------
**函数名：AutoWriteData()
**功能：写入数据
**参数：dat写入的指令数据
**返回：void
------------------------------------------------------------------------------------------*/
void AutoWriteData(uchar dat){
while(Test_S3()==0);
D_ADD=dat;//????????????????
}
/*----------------------------------------------------------------------------------------
**函数名：WriteCommand_1()
**功能：写入单字节参数指令
**参数：uchar data1 参数 uchar comm 指令数据
**返回:void
------------------------------------------------------------------------------------------*/
void WriteCommand_1(uchar data1,uchar comm){
while(Test_S1_S0()==0);
D_ADD=data1;
while(Test_S1_S0()==0);
C_ADD=comm;//???????????
}
/*----------------------------------------------------------------------------------------
**函数名：WriteCommand_2()
**功能：写入双字节参数指令
**参数：uchar data1 参数1；uchar data2 参数2；uchar comm 指令数据
**返回void
------------------------------------------------------------------------------------------*/
void WriteCommand_2(uchar data1,uchar data2,uchar comm){
while(Test_S1_S0()==0);
D_ADD=data1;
while(Test_S1_S0()==0);
D_ADD=data2;
while(Test_S1_S0()==0);
C_ADD=comm;//////////??????????
}
/*----------------------------------------------------------------------------------------
**函数名：ReadData()
**功能：读出数据
**参数：void
**返回uchar 读出的数据
------------------------------------------------------------------------------------------*/
uchar ReadData(){
uchar dat;
while(Test_S1_S0()==0);
dat=D_ADD;
return dat;
}
/*----------------------------------------------------------------------------------------
**函数名：LCD_init()
**功能：LCD初始化程序
**参数：void
**返回void
------------------------------------------------------------------------------------------*/
void LCD_init(){
WriteCommand_2(0x00,0x00,0x40);//设置文本显示区域首地址
WriteCommand_2(0x1e,0x00,0x41);//设置文本显示区域宽度
WriteCommand_2(0x00,0x08,0x42);//设置图形显示区域首地址 0x0800
WriteCommand_2(0x1e,0x00,0x43);//设置图形显示区域宽度
WriteCommand_0(0xa7);//光标形状设置
WriteCommand_0(0x80);//显示方式设置逻辑"或"合成。。。。。。。。。。
//WriteCommand_2(0x00,0x00,0x21);//设置光标地址
//WriteCommand_0(0xa7); //设置光标的形状
WriteCommand_0(0x9c);//显示开关设置 开图形显示
}
/*----------------------------------------------------------------------------------------
**函数名：LCD_Clear()
**功能：LCD清屏
**参数：void
**返回void
------------------------------------------------------------------------------------------*/
void LCD_Clear(){
uchar u=0xff;
uint i;
WriteCommand_2(0x00,0x00,0x24);//设置显示存储器首地址
delay(1000);
WriteCommand_0(0xb0);//设置自动写方式
for(i=0;i<7618;i++){/* 清8K存储器 */
AutoWriteData(0x00);
}
WriteCommand_0(0xb2);//退出自动写方式
}
/*----------------------------------------------------------------------------------------
**函数名:CreateCGRAM()
**功能：建立CGRAM子程序
**参数: uchar c_code 第一汉字代码0.1.2.3
uchar start_code 起始码 譬如0x80
uchar num 写入汉字数目
bit direction 代表方向： 1 写入正显码 0写入反显码
**返回void
------------------------------------------------------------------------------------------*/
void CreateCGRAM(uchar c_code,uchar start_code,uchar num,bit direction){
uint i;
uint add;
add=(0x03<<11)|(start_code<<3);
WriteCommand_2(0x03,0x00,0x22);//设置CGRAM偏置地址
//WriteCommand_2(0x00,0x1c,0x24);//设置存储器地址指针
WriteCommand_2(add%256,add/256,0x24);//设置存储器地址指针
WriteCommand_0(0xb0);//设置自动写方式
for(i=32*c_code;i<32*(c_code+num);i++){
if(direction)
AutoWriteData(ZK[i]);
else
AutoWriteData(~ZK[i]);
}
WriteCommand_0(0xb2);//退出自动写方式
}
/*----------------------------------------------------------------------------------------
**函数名:CharactorWriteIn_T()
**功能: 文本方式写入汉字
**参数：uchar x:X坐标(0----29)
uchar y:Y坐标(0----15)
uchar c_code:汉字字符代码
**返回void
------------------------------------------------------------------------------------------*/
void CharactorWriteIn_T(uchar x,uchar y,uchar c_code){
uint j;
j=CR*y+x;
WriteCommand_2(j%256,j/256,0x24);//设置显示地址指针
WriteCommand_1(c_code,0xc0);//写入左上半部汉字代码
WriteCommand_1(c_code+2,0xc0);//写入右上半部汉字代码
j=j+CR;// 显示RAM地址修正
WriteCommand_2(j%256,j/256,0x24);//设置显示地址指针
WriteCommand_1(c_code+1,0xc0);//写入左下半部汉字代码
WriteCommand_1(c_code+3,0xc0);//写入左下半部汉字代码
}
/*----------------------------------------------------------------------------------------
**函数名:CharactorWriteIn_G()
**功能: 图形方式写入汉字
**参数：uchar x:X坐标(0----29)中的偶数0,2,4,6...........28
uchar y:Y坐标(0----3)
uchar *p指向汉字字模指针
//uchar code_c 汉字字符代码
**返回void
------------------------------------------------------------------------------------------*/
void CharactorWriteIn_G(uint code_c/*uchar *p*/,uchar x,uchar y,bit direction){
uint StartAddr;
uchar i;
StartAddr=CR*y*16+x+0x0800;//计算显示内存地址
for(i=0;i<16;i++){
WriteCommand_2( StartAddr%256, StartAddr/256,0x24);//设置显示地址指针
if(direction)
WriteCommand_1(ZK[code_c*32+i],0xc0); //写入左半部数据 0xc0写以后地址加1
else
WriteCommand_1(~ZK[code_c*32+i],0xc0); //写入左半部数据 0xc0写以后地址加1
// WriteCommand_1(*p++,0xc0); //写入右半部数据 0xc4写以后地址不变
StartAddr+=CR;
}
StartAddr=CR*y*16+x+0x0800+1;//计算显示内存地址
for(i=16;i<32;i++){
WriteCommand_2( StartAddr%256, StartAddr/256,0x24);//设置显示地址指针
if(direction)
WriteCommand_1(ZK[code_c*32+i],0xc0); //写入右半部数据 0xc4写以后地址不变
else
WriteCommand_1(~ZK[code_c*32+i],0xc0); //写入左半部数据 0xc0写以后地址加1
// WriteCommand_1(*p++,0xc0); //写入右半部数据 0xc4写以后地址不变
StartAddr+=CR;
}
}
/*-----------------------------------------------------------------------------------------
**函数名:CharDispay()
**功能: 在（X，Y）处显示英文字符 按CGROM形式
**参数：uchar x:X坐标(0----29)
uchar y:Y坐标(0----127)
uchar str 显示字符的ASII码
**返回void
-------------------------------------------------------------------------------------------*/
void CharDisplay(uchar chr,uchar x,uchar y){
uchar discode;
if(chr>=48&&chr<=57)discode=0x10+chr-48;//得到数字显示码
else if(chr>=65&&chr<=90)discode=0x21+chr-65;//A--Z显示码
else if(chr>=97&&chr<=122)discode=0x41+chr-97;//a--z显示码
else{
switch(chr){ //其它符号显示
case '!':discode=0x01; break;
case '%': discode=0x05;break;
case '&': discode=0x06;break;
case '(': discode=0x08;break;
case ')': discode=0x09;break;
case '*': discode=0x0a;break;
case '+': discode=0x0b;break;
case '-': discode=0x0d;break;
case '.': discode=0x0e;break;
case '/': discode=0x0f;break;
default:break;
}
}
WriteCommand_2((y*30+x)%256,(y*30+x)/256,0x24);
WriteCommand_1(discode,0xc0);
}
/*-----------------------------------------------------------------------------------------
**函数名:CharDispay_G()
**功能: 在（X，Y）处显示英文字符 图形形式
**参数：uchar x:X坐标(0----29)
uchar y:Y坐标(0----3)
uchar chr 符号的ASCII码
**返回void
-------------------------------------------------------------------------------------------*/
void CharDisplay_G(uchar chr,uchar x,uchar y,bit direction){
uint StartAddr;
uchar i;
uchar discode;
if(chr>=48&&chr<=57)discode=chr-48;//得到数字显示码
else if(chr>=65&&chr<=90)discode=42+chr-65;//A--Z显示码
else if(chr>=97&&chr<=122)discode=68+chr-97;//a--z显示码
else{
switch(chr){ //其它符号显示
case '!':discode=10; break;
case '%': discode=14;break;
case '&': discode=15;break;
case '(': discode=17;break;
case ')': discode=18;break;
case '*': discode=19;break;
case '+': discode=20;break;
case '-': discode=23;break;
case '.': discode=22;break;
case ' ':discode=35;break;
default:break;
}
}
StartAddr=CR*y*16+x+0x0800;//计算显示内存地址
for(i=0;i<16;i++){
WriteCommand_2( StartAddr%256, StartAddr/256,0x24);//设置显示地址指针
if(direction)
WriteCommand_1(ZK[discode*16+i],0xc0); //写入左半部数据 0xc0写以后地址加1
else
WriteCommand_1(~ZK[discode*16+i],0xc0); //写入左半部数据 0xc0写以后地址加1
// WriteCommand_1(*p++,0xc0); //写入右半部数据 0xc4写以后地址不变
StartAddr+=CR;
}
}
/*-----------------------------------------------------------------------------------------
**函数名:StrDisplay()
**功能: 从 (X，Y）开始处显示一行英文字符串
**参数：uchar x:X坐标(0----29)
uchar y:Y坐标(0----7)
uchar p[] 显示的字符串数组
bit direction 显示方向 1，正向；0反向
**返回void
-------------------------------------------------------------------------------------------*/
void StrDisplay(uchar p[],uchar x,uchar y){
uchar i,u;
u=strlen(p);
for(i=0;i