帶字庫(kù)的12864顯示字母中間為什么會(huì)空一個(gè)再顯示？怎么解決呢？

ID:429204 · 發(fā)表于 2020-3-18 20:36

如圖，K和M之間會(huì)空格，這樣就不夠顯示了啊，導(dǎo)致后面都不能正常顯示了，請(qǐng)問(wèn)這怎么解決呢？

ID:429204 · 發(fā)表于 2020-3-18 22:48

代碼：
#include <reg52.h>
#include <intrins.h>typedef unsigned char u8;
typedef unsigned int u16;
sbit LCD_RS = P3^6;       //定義LCD12864使用的IO口
sbit LCD_RW = P3^7;
sbit LCD_EN = P3^4;
sbit hall = P1^5;u16 v;    //速度
u16 km;    //里程
u16 re;    //熱量
u16 k;    //霍爾電平
u8 cnt1;
u8 cnt2;
u8 time[3];
u8 s = 207;    //車(chē)輪周長(zhǎng)
void delayms(u16 ms)             //LCD12864延時(shí)函數(shù)
{
u16 i;
for(i = 0; i < ms; i++){; }
}

void Init_LCD(void)                         //初始化LCD控制端口函數(shù)
{
LCD_RS=1;                               //輸出數(shù)據(jù)LCD_RS和LCD_EN清零
LCD_RW=0;
LCD_EN=0;
}

void LCD_write_cmd(u8 cmd)       //LCD12864寫(xiě)指令函數(shù)
{
LCD_EN=0;
LCD_RS=0;       //寫(xiě)指令
LCD_RW=0;       //寫(xiě)入
P2=cmd;//賦值給D0-D7對(duì)應(yīng)的IO引腳
delayms(50);
LCD_EN=1;       //允許
delayms(50);
LCD_EN=0;
}

void LCD_write_data(u8 dat)                      //LCD12864寫(xiě)數(shù)據(jù)函數(shù)
{
LCD_EN=0;
LCD_RS=1;       //寫(xiě)數(shù)據(jù)
LCD_RW=0;       //寫(xiě)入
P2=dat;//賦值給D0-D7對(duì)應(yīng)的IO引腳
delayms(50);
LCD_EN=1;          //允許
delayms(50);
LCD_EN=0;
}

void LCD_init(void)                               //初始化LCD12864顯示設(shè)置函數(shù)
{
delayms(10000);
LCD_write_cmd(0x30);
delayms(20);
LCD_write_cmd(0x30);//功能設(shè)置
delayms(20);
LCD_write_cmd(0x0c);//顯示開(kāi)關(guān)控制
delayms(20);
LCD_write_cmd(0x01);//顯示清除
delayms(1200);
LCD_write_cmd(0x06);//顯示清除
delayms(50);
}

void LCD_Display()                               //LCD顯示函數(shù)
{
   Init_LCD();                            //初始化LCD控制端口
   LCD_init();                         //初始化LCD顯示設(shè)置
   LCD_write_cmd(0x80);       //第一行數(shù)據(jù)指針地址
//-------------第一行顯示內(nèi)容-------------//
   LCD_write_data(0xCB); //速
   LCD_write_data(0xD9);
   LCD_write_data(0xB6); //度
   LCD_write_data(0xC8);
   LCD_write_data(0xA1); //:
   LCD_write_data(0xC3);
   LCD_write_data(v/10%10+'0'); //速度十位
   LCD_write_data(v%10+'0'); //速度個(gè)位
   LCD_write_data(0xA3);    //.
   LCD_write_data(0xAE);
   LCD_write_data(v*10%10+'0'); //速度十分位
   LCD_write_data(0xA3); //k
   LCD_write_data(0xEB);
   LCD_write_data(0xA3); //m
   LCD_write_data(0xED);
   LCD_write_data(0xA3); ///
   LCD_write_data(0xAF);
   LCD_write_data(0xA3); //h
   LCD_write_data(0xA8);
      delayms(10);
}

void main()                      //主函數(shù)
{
TMOD = 0x01; //設(shè)置定時(shí)器1工作方式2，定時(shí)器工作方式3
TH0 = (65536-922)/256; //高8位設(shè)初值1ms
TL0 = (65536-922)%256; //低8位設(shè)初值1ms
EA = 1;       //開(kāi)總中斷
ET0 = 1;       //開(kāi)T1定時(shí)器0中斷
TR0 = 1;          //開(kāi)定時(shí)器0
while(1)
{
v = (s/cnt1*10)*3600;       //計(jì)算速度，單位km/h
         LCD_Display();             //LCD12864進(jìn)行顯示
}
}
void EX0_INT(void) interrupt 1       //計(jì)數(shù)中斷
{
TL0 = (65536-922)%256; //重裝初值1ms
TH0 = (65536-922)/256;
cnt2++;
if(hall == 0)
{
cnt1++; //記錄1ms的次數(shù)
}
else
{
cnt1 = 0; //清空計(jì)數(shù)次數(shù)
}
}

ID:452950 · 發(fā)表于 2020-3-18 23:41

你這個(gè)k和m是用的帶字庫(kù)12864字符表里面的特殊字符吧，占用兩個(gè)字節(jié)。直接輸出字符串，漢字占用兩個(gè)字節(jié)，字母和數(shù)字只占用一個(gè)字節(jié)。

ID:452950 · 發(fā)表于 2020-3-19 11:01

unsigned char code AC_TABLE[]={             //坐標(biāo)編碼
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
};
/************************************************************************************
                  顯示字符串
************************************************************************************/
void PutStr(unsigned char row,unsigned char col,unsigned char *puts)
{
   LCD_write_cmd(0x30);
   LCD_write_cmd(AC_TABLE[8*row+col]);
while(*puts != '\0')
{
if(col==8)
{
col=0;
row++;
}
if(row==4) row=0;
   LCD_write_cmd(AC_TABLE[8*row+col]);
LCD_write_data(*puts);
puts++;
if(*puts != '\0')
{
LCD_write_data(*puts);
puts++;
col++;
}
}
}

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帶字庫(kù)的12864顯示字母中間為什么會(huì)空一個(gè)再顯示？怎么解決呢？