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#include <HT66F70A.H>
#include "delay.h"
#define IO_12864 _pc //定義12864的數(shù)據(jù)端口
#define IO_12864_C _pcc
#define RS_12864 _pd5 //定義命令數(shù)據(jù)寄存器選擇端
#define RW_12864 _pd6 //定義定義讀寫控制端
#define E_12864 _pd7 //定義使能端
#define RST_12864 _pd4 //定義復(fù)位端
//#define CS2 _pd3
//#define CS1 _pd2
void delay_12864(unsigned int ); //延時子函數(shù)原型
/*void busychk_12864(void); //忙檢測子函數(shù)原型*/
void wrtcom_12864(unsigned char); //寫命令子函數(shù)原型
unsigned char reddat_12864(void); //讀數(shù)據(jù)子函數(shù)原型
void wrtdat_12864(unsigned char); //寫數(shù)據(jù)子函數(shù)原型
//void choose_12864(unsigned char i); //選屏
//void drawpic_12864( unsigned char*); //繪圖子函數(shù)原型
//void drawdot_12864(unsigned char,unsigned char,unsigned char);//畫點(diǎn)子函數(shù)原型
//void drawrec_12864(unsigned char,unsigned char,unsigned char,unsigned char,unsigned char); //畫矩形子函數(shù)原型
void clnGDR_12864(void); //清空GDRAM子函數(shù)原型
void inputchars_12864(unsigned char,unsigned char,unsigned char*);//輸入短字符串子函數(shù)原型
void scroll_12864(unsigned char*); //輸入長字符串卷動子函數(shù)原型
void initial_12864(void); //12864初始化子函數(shù)原型
void main()
{
unsigned char uctech[] = {"wweerrtt"};
_pcc=0;
_pdc=0;
//_pcpu=0xff;
_pc=0;
_pd=0;
initial_12864();
clnGDR_12864();
inputchars_12864(1,1,uctech);
}
/*********** 延時子程序，最大延遲時間為65ms***************/
void delay_12864(unsigned int del){
unsigned int i;
for(i = 0; i < del; i++){;}
}
/***************忙檢測，若忙則等待，最長等待時間為60ms**********/
//
//void busychk_12864(void){
//unsigned int timeout = 0;
//IO_12864_C=1;/////////
//E_12864 = 0;
//RS_12864 = 0;
//RW_12864 = 1;
//E_12864 = 1;
//while((IO_12864 & 0x80) && ++timeout != 0); //忙狀態(tài)檢測，等待超時時間為60ms
//E_12864 = 0;
//}
/****************寫命令子程序*********************/
void wrtcom_12864(unsigned char com){
//busychk_12864();
IO_12864_C=0; ///////////////////////////
delay_12864(5000);////////
E_12864 = 0;
RS_12864 = 0;
RW_12864 = 0;
E_12864 = 1;
IO_12864 = com;
delay_12864(5000); //使能延時50us!!!注意這里，如果是較快的CPU應(yīng)該延時久一些
E_12864 = 0;
}
/**************************讀數(shù)據(jù)子程序，返回一個字節(jié)的數(shù)據(jù)****************/
unsigned char reddat_12864(void){
unsigned char temp;
//busychk_12864();
delay_12864(5000);/////////////
E_12864 = 0;
IO_12864_C=0;/////////////////////
IO_12864 = 0xff; //IO口置高電平，讀引腳
RS_12864 = 1;
RW_12864 = 1;
E_12864 = 1;
delay_12864(5000); //使能延時50us!!!注意這里，如果是較快的CPU應(yīng)該延時久一些
IO_12864_C=1;////////////////////////
temp = IO_12864;
return temp;
}
/*****************寫數(shù)據(jù)子程序***********************/
void wrtdat_12864(unsigned char dat){
//busychk_12864();
IO_12864_C=0;//////////////////
delay_12864(5000);/////////////
E_12864 = 0;
RS_12864 = 1;
RW_12864 = 0;
E_12864 = 1;
IO_12864 = dat;
delay_12864(5000); //使能延時50us!!!注意這里，如果是較快的CPU應(yīng)該延時久一些
E_12864 = 0;
}
/***************選屏****************/
//void choose_12864(unsigned char i)//i是要寫的屏.0是左屏,1是右屏,2是雙屏；
//{ //此處在硬件上運(yùn)行時i的電平全部與程序相反；
// switch (i) //此版本為仿真版；
// {
// case 0: CS1=0;CS2=1;break; //比如此處如果要在電路上運(yùn)行則應(yīng)該改為CS=1；CS2=0；
// case 1: CS1=1;CS2=0;break;
// case 2: CS1=0;CS2=0;break;
// default: break;
// }
//}
/************顯示圖片函數(shù)，參數(shù)時圖片的地址，圖片必須是128*64像素的逐行逐行的點(diǎn)陣信息。****************/
//void drawpic_12864( unsigned char *pPicture ){
//unsigned char j, k ;
//wrtcom_12864(0x34); //在寫GDRAM的地址之前一定要打開擴(kuò)充指令集，否則地址寫不進(jìn)去！！
//for( j = 0 ; j < 32 ; j++ )
//{
//wrtcom_12864(0x80 + j) ; //寫Y 坐標(biāo)
//wrtcom_12864(0x80) ; //寫X 坐標(biāo)
//for( k = 0 ; k < 16 ; k++ ) //寫一整行數(shù)據(jù)
//{
//wrtdat_12864( *pPicture++ );
//}
//}
//for( j = 0 ; j < 32 ; j++ )
//{
//wrtcom_12864(0x80 + j) ; //寫Y 坐標(biāo)
//wrtcom_12864(0x88) ; //寫X 坐標(biāo)
//for( k = 0 ; k < 16 ; k++ ) //寫一整行數(shù)據(jù)
//{
//wrtdat_12864( *pPicture++ ) ;
//}
//}
//wrtcom_12864(0x36); //打開繪圖顯示
//wrtcom_12864(0x30); //返回基本指令集
//}
//
////畫點(diǎn)函數(shù),左上角為參考點(diǎn)（0，0）
////右下角為（127,63），點(diǎn)坐標(biāo)形式為(行坐標(biāo)，列坐標(biāo))
////參數(shù)type用于設(shè)置畫黑點(diǎn)、白點(diǎn)或取反（黑變白，白變黑）
////type = 0為白色，1 為黑色，2為取反
////畫完點(diǎn)不開啟顯示，需要自行開啟繪圖顯示
//void drawdot_12864(unsigned char y,unsigned char x,unsigned char type){
//unsigned char X,Y,k; //X存儲行地址，Y存儲列地址，k存儲點(diǎn)在字中的位置（0~15從左至右）
//unsigned char DH,DL;
//if(y >= 0 && y <= 63 && x >= 0 && x <= 127) {
//if(y < 32){ //確定所畫點(diǎn)的地址行與列地址
//X = 0x80 + (x >> 4);
//Y = 0x80 + y;
//}else{
//X = 0x88 + (x >> 4);
//Y = 0x80 + (y - 32);
//}
//wrtcom_12864(0x34); //開啟擴(kuò)展指令，關(guān)閉繪圖顯示
//wrtcom_12864(Y); //寫行位地址
//wrtcom_12864(X); //寫列字地址
//DH = reddat_12864(); //假讀
//DH = reddat_12864(); //讀高字節(jié)
//DL = reddat_12864(); //讀低字節(jié)
//k = x % 16;
//switch(type){ //判斷類型，是黑點(diǎn)還是白點(diǎn)還是取反
//case 0: //畫白點(diǎn)
// if(k < 8){
//DH &= ~(0x01 << (7 - k));
//}else{
//DL &= ~(0x01 << (7 - (k % 8)));
//}
//break;
//case 1: //畫黑點(diǎn)
//if(k < 8){
//DH |= (0x01 << (7 - k));
//}else{
//DL |= (0x01 << (7 - (k % 8)));
//}
//break;
//case 2: //對點(diǎn)取反
//if(k < 8){
//DH ^= (0x01 << (7 - k));
//}else{
//DL ^= (0x01 << (7 - (k % 8)));
//}
//break;
//default:
//break;
//}
//wrtcom_12864(Y); //寫行位地址
//wrtcom_12864(X); //寫列字地址
//wrtdat_12864(DH); //回寫高字節(jié)
//wrtdat_12864(DL); //回寫低字節(jié)
//
//wrtcom_12864(0x36); //開啟繪圖顯示
//wrtcom_12864(0x30); //轉(zhuǎn)回普通指令
//}
//}
//
// /**********************畫矩形子函數(shù)，參數(shù)為（點(diǎn)1行坐標(biāo)，點(diǎn)1列坐標(biāo)，點(diǎn)2行坐標(biāo)，點(diǎn)2列坐標(biāo)，*********
// **********************線條顏色（0為白，1為黑，2對原色取反））*************************************/
//
//
//
//void drawrec_12864(unsigned char y1,unsigned char x1,unsigned char y2,unsigned char x2,unsigned char type){
//unsigned char largex,largey,smallx,smally;
//unsigned char i;
//if(x1 > x2){
//largex = x1;
//smallx = x2;
//}else{
//largex = x2;
//smallx = x1;
//}
//if(y1 > y2){
//largey = y1;
//smally = y2;
//}else{
//largey = y2;
//smally = y1;
//}
////畫4條矩形邊框
//for(i = smallx; i < largex; i++){
//drawdot_12864(largey,i,type);
//}
//for(i = largey; i > smally; i--){
//drawdot_12864(i,largex,type);
//}
//for(i = largex; i > smallx; i--){
//drawdot_12864(smally,i,type);
//}
//for(i = smally; i < largey; i++){
//drawdot_12864(i,smallx,type);
//}
//wrtcom_12864(0x30); //返回普通指令
//}
/*****************清空GDRAM，往GDRAM內(nèi)部寫滿0x00*************/
void clnGDR_12864(void){
unsigned char j,k;
wrtcom_12864(0x34);//在寫GDRAM的地址之前一定要打開擴(kuò)充指令集，否則地址寫不進(jìn)去！！
for( j = 0 ; j < 32 ; j++ )
{
wrtcom_12864(0x80 + j) ; //寫Y 坐標(biāo)
wrtcom_12864(0x80) ; //寫X 坐標(biāo)
for( k = 0 ; k < 32 ; k++ ) //寫一整行數(shù)據(jù)
{
wrtdat_12864( 0x00 );
}
}
wrtcom_12864(0x30); //返回基本指令集
}
/***********************寫入短字符串函數(shù),參數(shù)分別為顯示行(0~3)，顯示列(0~7)，字符串首地址
字符串只會在一行顯示，超過的不顯示**********************************/
void inputchars_12864(unsigned char y,unsigned char x,unsigned char *dataaddr){
unsigned char i,address=0;
switch (y){ //設(shè)置字符顯示起始地址
case 0: address = 0x80 + x;
break;
case 1: address = 0x90 + x;
break;
case 2: address = 0x88 + x;
break;
case 3: address = 0x98 + x;
break;
default: break;
}
wrtcom_12864(0x30);
wrtcom_12864(address);
for(i = x;i < 8; i++){
if(*dataaddr != '\0'){
wrtdat_12864(*dataaddr++);
}
}
}
/******************長字符串顯示卷屏函數(shù)**************************/
void scroll_12864(unsigned char *ser){
//addr存儲地址的中間變量，flag卷屏地址，hang要寫數(shù)據(jù)的行，
//over寫完字符串后繼續(xù)寫的空字符計數(shù)
unsigned char i,addr,flag,hang,over,*ptdat;
ptdat = ser; //獲得字符串首地址
over = 0; //寫入空字符串（寫完字符串后）數(shù)目初始化為0
wrtcom_12864(0x80); //寫第一行字符
for(i = 0; i < 16; i++){
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
wrtcom_12864(0x90); //寫第二行字符
for(i = 0; i < 16; i++){
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
wrtcom_12864(0x88); //寫第三行字符
for(i = 0; i < 16; i++){
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
wrtcom_12864(0x98); //寫第四行字符
for(i = 0; i < 16; i++){
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
ptdat = ptdat - 32;
wrtcom_12864(0xa0); //寫第三行DDRAM,寫入內(nèi)容為第三行字符串和第五行字符串
for(i = 0; i < 16; i++){ //寫第三行字符串
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
ptdat = ptdat + 16;
for(i = 0; i < 16; i++){ //寫第五行字符串
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++);
}else{
wrtdat_12864(0x20);
over++;
}
}
wrtcom_12864(0x0c); //開顯示
if(over > 15){;} //顯示字符不足4行，不卷動
else //顯示字符大于4行，繼續(xù)寫字符，同時開啟卷動
{
hang = 4;
flag = 0x01;
while(1){
switch(hang){ //設(shè)置寫入DDRAM的地址
case 1: addr = 0x80; break;
case 2: addr = 0x90; break;
case 3: addr = 0xa0; break;
case 4: addr = 0xb0; break;
}
switch(hang){ //設(shè)置要寫數(shù)據(jù)的下一行
case 1: hang = 2; break;
case 2: hang = 3; break;
case 3: hang = 4; break;
case 4: hang = 1; break;
}
ptdat = ptdat - 32;
for(i = 0; i < 8; i++){
wrtcom_12864(0x34); //打開擴(kuò)展指令
wrtcom_12864(0x03); //允許輸入卷動地址
wrtcom_12864(0x40 + flag++); //設(shè)置卷動地址
wrtcom_12864(0x30); //回到基本指令
wrtcom_12864(addr + i);
delay_12864(20000);
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++); //連續(xù)寫入兩個字節(jié)之高字節(jié)
}else{
wrtdat_12864(0x20);
}
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++); //連續(xù)寫入兩個字節(jié)之低字節(jié)
}else{
wrtdat_12864(0x20);
}
}
ptdat = ptdat + 16;
for(i = 8; i < 16; i++){
wrtcom_12864(0x34); //打開擴(kuò)展指令
wrtcom_12864(0x03); //允許輸入卷動地址
if(flag == 64){flag = 0;}
wrtcom_12864(0x40 + flag); //設(shè)置卷動地址
flag++;
wrtcom_12864(0x30); //回到基本指令
wrtcom_12864(addr + i);
delay_12864(20000);
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++); //連續(xù)寫入兩個字節(jié)之高字節(jié)
}else{
over++; //寫完最后一行字符，需要再卷動16次才能顯示出來。
wrtdat_12864(0x20);
}
if(*ptdat != '\0'){
wrtdat_12864(*ptdat++); //連續(xù)寫入兩個字節(jié)之低字節(jié)
}else{
wrtdat_12864(0x20);
}
}
if(over < 8){;} //最后一行顯示完畢則停止卷動
else {break;}
}
}
}
/***********************初始化12864子函數(shù)***********************************/
void initial_12864(void){
delay_12864(40000);
RST_12864 = 1;
RST_12864 = 0; //復(fù)位
delay_12864(500);
RST_12864 = 1;
wrtcom_12864(0x30); //設(shè)置為基本指令集動作
delay_12864(100);
wrtcom_12864(0x30); //設(shè)置為基本指令集動作
delay_12864(37);
wrtcom_12864(0x08); //設(shè)置顯示、光標(biāo)、閃爍全關(guān)。
delay_12864(100);
wrtcom_12864(0x01); //清屏，并且DDRAM數(shù)據(jù)指針清零
delay_12864(1000);
wrtcom_12864(0x06); //進(jìn)入模式設(shè)置
wrtcom_12864(0x0c); //開顯示
}
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