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// MRScode.c文件
#include <stdio.H>
#include "1602.h"
#include "MRScode.h"
unsigned char count; //計算摩爾碼輸入顯示點劃的位置
unsigned char showbuffer[L]; //顯示緩沖
unsigned char i = 0; //顯示緩沖數組下標
static unsigned char time; //按鍵停頓延時計數供字符自動上屏
static unsigned char MODE; //功能切換 MODE=0 KEY輸入，=1按點鍵刪1字，按劃全刪
//=2按點鍵發送，=3調用短語，=4進入PC輸入
//摩爾斯碼字庫字母A~Z（下標0~25）計26個，數字0~9（下標26~35）計10個
// ？， . ! @ : -（下標36~42）計7個，總共43個字節
unsigned char code MRSZK[] = { 0x61,0X28,0X2a,0x44,0x80,0x22,
0x46,0x20,0x60,0x27,0x45,0x24,0x63,0x62,0x47,0x26,0x2d,0x42,
0x40,0x81,0x41,0x21,0x43,0x29,0x2b,0x2c,/*A~Z*/0xbf,0xaf,0xa7,
0xa3,0xa1,0xa0,0xb0,0xb8,0xbc,0xbe,/*0~9*/0xcc,0xf3,0xd5,0xeb,
0xda,0xf8,0xe1/* ?,.!@:- */ };
unsigned char code ASCIIZK[] = "?,.!@:-"; //符號庫，可擴展
/*** !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ
[\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ASCII可見字符 ***/
//常用短語庫
unsigned char code *phrase[] = {"ok","NO", "SOS","hello","thank you","receive",
/*好，不，求救，你好，謝謝你，收到，*/
"retransmission","Goodbye", "Help me！", "my location:" , "MAX 10" } ;
/*重復，再見，幫幫我, 我的位置, 最多10條短語*/
/******不限于這些短語，拋轉引玉，其它可視EEPROM大小再添加*****/
/*********此函數據鍵值實現摩斯碼轉ASCII碼、并切換菜單實現相關功能*******/
void keyin(unsigned char keyvalue)
{
static unsigned char MRScode,num;
unsigned char x,y,z,j;
bit flag;
if(keyvalue != 255) //有鍵按下
{
Lcdwritestring(1,0," "); // 16空格清第二行
if(keyvalue == 1) //點鍵
{
switch (MODE) //功能模式切換
{
case 0: //本機正常輸入點
TR0 = 1;
MRScode <<= 1; //發送端從高位開始的
Lcdwritechar(1,6+num,'.'); //num為點劃輸入的次數
num++;
break;
case 1: //按點鍵刪除一字
MODE = 0;
if(i > 0) //有字符就刪除
i--;
goto CCC;
case 2: //輸完按點鍵發送
MODE = 0;
send_mrs_code_TEXT(showbuffer);
goto DDD;
case 3: //上翻查找調用短語
write_com(0x01); //清屏
for(j= 0;j<L;j++)
showbuffer[j] = phrase[x][j];
if(++x > 10)
x = 10;
flag = 1;
goto DDD;
case 4: //切換到Pc終端輸入
MODE = 0;
i = 0;
F0 = 1;
Lcdwritestring(1,0,"PC:");
return;
default:
MODE = 0;
return;
}
}
if(keyvalue == 2) //劃鍵
{
if(MODE == 1) //按劃鍵全部刪除
{
MODE = 0;
i = 0;
goto CCC;
}
else if(MODE == 3) //下翻查找短語
{
write_com(0x01);
for(j= 0;j<L;j++)
showbuffer[j] = phrase[x][j];
if(x>0)
x--;
flag = 1;
goto DDD;
}
TR0 = 1; //本機正常輸入劃
MRScode <<= 1; //發送端從高位開始的
MRScode |= 0x01;
Lcdwritechar(1,6+num,'_');
num++;
}
if(keyvalue == 3 )//功能鍵
{
if( ++MODE > 4 ) //循環顯示菜單
MODE = 0;
if(flag == 1) //查找到短語后直接進入發送菜單
MODE = 2;
flag = 0;
switch (MODE) //屏上顯示功能菜單
{
case 1:
write_com(0x01);
Lcdwritestring(1,13,"DEL"); //刪除
goto DDD;
case 2:
write_com(0x01);
Lcdwritestring(1,8,"SEND->"); //發送
goto DDD;
case 3:
write_com(0x01);
Lcdwritestring(1,6,"phrase"); // 調用短語
goto DDD;
case 4:
write_com(0x01);
Lcdwritestring(1,3,"PC IN"); // 進入PC輸入
goto DDD;
default:
write_com(0x01);
Lcdwritestring(1,0,"KEY IN"); // 本機輸入
goto DDD;
}
}
if(num<5 && num > 0) //處理字母
{
if(num == 4 && MRScode == 3) // 輸入 ..-- 是空格
{
z = '_'; //顯示用_代替
goto BBB;
}
y = (8-3-num) << 5; //得到字母前三位識別碼值
for(j = 0; j <= 25;j++)//字母字庫地址0~25；
{
if( MRSZK[j] == ( MRScode | y) )
{
z = j+0x41;//轉化成ASCII碼送顯示
break;
}
}
}
else if(num>5) //處理符號
{
for(j = 36; j <= 42;j++)//符號字庫地址36~42；
{
if((MRSZK[j]&0x3F) == MRScode ) //清零高兩位
{
z = ASCIIZK[j-36];
break;
}
}
}
else //處理數字
{
for(j = 26; j <= 35;j++)//數字地址26~35；
{
if((MRSZK[j]&0x1F) == MRScode ) //清零高三位
{
z = j+0x16;
break;
}
}
}
Lcdwritechar(1,4,z);//顯示候選字符
if(num > 5) //滿6個點劃自動上屏
{
BBB: time = 0;
TR0 = 0;
MRScode = 0;
num = 0;
showbuffer[i] = z;//轉化成的ASCII碼送顯示
i++;
CCC: showbuffer[i] = 0; //字符串結束加0
write_com(0x01);
DDD: Lcdwritestring(0,0,showbuffer);
}
if(i > L-2)
{
Lcdwritestring(1,0,"MEMORY FULL!"); //不能超過顯存最大長度
showbuffer[i] = 0;//字符串結束加0
}
}
else
{
if( time > 250) //時間到，自動上屏
{
goto BBB;
}
}
}
/*********電腦終端輸入ASCII碼**********/
void PCin()
{
unsigned char j,k,n,Char;
for(k = 0;k < L;k++)
showbuffer[k] = 0;//清緩沖
k = 0;
do{
while(!RI);
RI = 0;
Char = SBUF; //運行后在仿真終端輸入半角字符
if(Char == 0x1B) //按ESC鍵退出PC輸入
{
write_com(0x01);
showbuffer[0] = 0;//清緩沖
Lcdwritestring(0,0,"KEY:");
F0 = 0; //PSW 用戶位
MODE = 0;
return;
}
if(Char == 0x08) //按Backspace鍵
{
k--; //退格刪除一個字
if(k == 0xff)
k = 0 ;
showbuffer[k] = 0;
write_com(0x01);// 清屏
Lcdwritestring(0,0,showbuffer);
continue;
}
showbuffer[k] = Char;
write_com(0x01);// 清屏
Lcdwritestring(0,0,showbuffer);
/***此段為輸入短語數字代碼調用短語**/
if(showbuffer[0] == '?') //調用短語用問號開頭
{
if(Char >= '0' && Char <= '9')
{ //如果是數字
n = n * 10 + (Char-'0'); //轉成十進制數
if(n>10) //暫時短語只有9個
{
n = 10;
write_com(0x01);
Lcdwritestring(1,0,phrase[n]);//調用短語
for(n = 1;n <= k+1; n++)
showbuffer[n] = 0;
Lcdwritestring(0,0,showbuffer);
n = 0;
k = 0;
}
else
Lcdwritestring(1,0,phrase[n]);//調用短語
}
}
k++;
}while(Char != 0x0D);//回車發送
if(showbuffer[0] == '?')
{
for(j= 0;j<L;j++)
showbuffer[j] = phrase[n][j];
}
Lcdwritestring(0,0,showbuffer);
send_mrs_code_TEXT(showbuffer);
}
/******此函數可調節整體發送速度*****/
void delay_ms(unsigned char date)
{
unsigned char i,j;
for(i = 0;i < date;i++)
for(j = 0; j < 138; j++);
} //一點時長138約92ms 188約124.6ms 90約61.5ms
void S_beep() //1個短滴聲
{ char i;
for(i=0;i<1;i++)
{
beep = 0;
delay_ms(100);
beep = 0;
delay_ms(100);
}
beep = 1;
count++;
Lcdwritechar(1,9+count,'.');
}
void L_beep() //一個長滴音
{ char i;
for(i=0;i<3;i++)
{
beep = 0;
delay_ms(100);
beep = 0;
delay_ms(100);
}
beep = 1;
count++;
Lcdwritechar(1,9+count,'_');
}
void J2_beep() // 間隔2個點靜音
{ char i;
for(i=0;i<2;i++)
{
beep = 1;
delay_ms(100);
beep = 1;
delay_ms(100);
}
}
void J1_beep() // 間隔1個點靜音
{ char i;
for(i=0;i<1;i++)
{
beep = 1;
delay_ms(100);
beep = 1;
delay_ms(100);
}
}
void J4_beep() // 間隔4個點靜音
{ char i;
for(i=0;i<4;i++)
{
beep = 1;
delay_ms(100);
beep = 1;
delay_ms(100);
}
}
/***********發送一個摩爾斯碼************/
void MRS_code_send(unsigned char MRS_code )
{
unsigned char i; //數組下標
bit bt; //識別長短聲音
if(MRS_code < 0x90) //小于是字母
{
i = 3 + MRS_code /0x20; //取前三位
MRS_code <<= i-1;
for(; i< 8; i++)
{
bt = (MRS_code <<= 1)&0x80;
if(bt)
L_beep(); //一個長滴音
else
S_beep(); //1個短滴聲
J1_beep(); // 間隔1個點靜音;
}
}
else if(MRS_code > 0x90 && MRS_code < 0xc0) //否則是發送數字
{
MRS_code <<= 2;
for(i = 3; i< 8; i++)
{
bt = (MRS_code <<= 1)&0x80;
if(bt)
L_beep(); //一個長滴音
else
S_beep(); //1個短滴聲
J1_beep(); // 間隔1個點靜音;
}
}
else //否則是發送符號
{
MRS_code <<= 1;
for(i = 2; i< 8; i++)
{
bt = (MRS_code <<= 1)&0x80;
if(bt)
L_beep(); //一個長滴音
else
S_beep(); //1個短滴聲
J1_beep(); // 間隔1個點靜音;
}
}
J2_beep(); //字元間隔1+2=3個點靜音
}
/******本函數ASCII碼轉摩爾斯碼字符串發送*****/
void send_mrs_code_TEXT(unsigned char *p)
{
unsigned char i; //i即摩爾斯碼字庫數組下標
while(*p)
{
if(*p != 0x20)//是否是空格
{
if(*p >= 0x41 && *p <= 0x5A )//大寫字母A~Z
{
i = *p-0x41; //i取字母字庫，0x00地址開始
}
else if(*p >= 0x61 && *p <= 0x7A) //小寫字母a~z
{
i = *p-0x61; //i取字母字庫 ,0x00地址開始，
} //摩斯碼字母不區分大小寫
else if(*p >= 0x30 && *p <= 0x39) //數字0~9
{
i = *p-0x16; //i取數字字庫 ,0x1A地址開始
}
else
{
switch (*p)
{
case '?': i =36; //即字庫數組下標
break;
case ',': i =37;
break;
case '.': i =38;
break;
case '!': i =39;
break;
case '@': i =40;
break;
case ':': i =41;
break;
case '-': i =42;
break;
default:goto AAA;//其它字符當空格處理
break;
}
}
count = 0;//清摩爾碼顯示位置
write_com(0x01);// 清屏
Lcdwritestring(0,0,p); //第一行顯示待發字符串
Lcdwritestring(1,0,"SEND->"); //第二行顯示正在發送：
Lcdwritechar(1,8,*p);//第二行顯示待發字符
p++;
MRS_code_send(MRSZK[i]); //發送一個摩爾碼
}
else
{
AAA: p++;
J4_beep(); // 是空格，單詞間隔3+4=7個點靜音
}
}
}
void time0_MRS (void) interrupt 1 //STC89C52 4毫秒@11.0592MHz
{
TL0 = 0x9A; //設置定時初值我這是按點平均時長90ms,劃時長270ms設置的
TH0 = 0xF1; //設置定時初值在接收人工發送的要設計智能調整適應
++time; //按鍵停頓延時計數供字符自動上屏
}
..................................
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