牛人制作的單片機(jī)科學(xué)型計(jì)算器，功能太強(qiáng)大大家一起欣賞

ID:163090 · 發(fā)表于 2020-4-3 17:46

以下是計(jì)算器功能演示視頻地址：
https://www.bilibili.com/video/B ... 3625234719827099345

制作出來的實(shí)物圖如下：

以下是部分單片機(jī)程序代碼：
完整代碼在附件中

#include "STC12C5A60S2.h"
#include "alg_caculate.h"
#include "UART.h"
#include "alg_linearlist.h"
#include "keyboard_input.h"
#include "lcd_12864.h"
#include "mode.h"
#include "solve_equation.h"
#include "function_pic.h"
#include "eeprom_rw.h"
#include "pwm.h"
#include "time.h"

#include <stdio.h>
#include <stdlib.h>

#define uchar unsigned char
#define uint unsigned int

uchar num0;                //輸入的鍵值
int       count1;    //翻頁計(jì)數(shù)

void main()
{
      PWM_init();
      t0_init();
      t1_init();
      lcd_init();
      lcd_clear_pic();
      while(1)
      {


      mode_select();

      }

}

全部資料51hei下載地址：

計(jì)算器正式版Ver1.0.0.7z (545.05 KB, 下載次數(shù): 345)

ID:163090 · 發(fā)表于 2020-4-3 17:48

計(jì)算器主控芯片為STC12C5A60S2，顯示器為12864液晶。額外的外設(shè)有EEPROM、DS1302、矩陣鍵盤，為科學(xué)計(jì)算器提供存儲、時(shí)鐘、輸入功能。在等號被按下前，允許輸入完整的表達(dá)式。因此在軟件上需要做到語法識別、優(yōu)先級順序、括號嵌套等功能。計(jì)算器擁有普通計(jì)算(表達(dá)式與函數(shù)識別、計(jì)算)、計(jì)算結(jié)果存儲/回看、復(fù)數(shù)計(jì)算、矩陣運(yùn)算、函數(shù)圖形、解方程、統(tǒng)計(jì)、最小二乘法求回歸直線、一階常微分方程、單位，進(jìn)制轉(zhuǎn)換、定積分、求導(dǎo)等功能。有節(jié)電模式，5分鐘不輸入自動關(guān)機(jī)，液晶屏亮度5級可調(diào)。

ID:163090 · 發(fā)表于 2020-4-3 17:48

計(jì)算器主控芯片為STC12C5A60S2，顯示器為12864液晶。額外的外設(shè)有EEPROM、DS1302、矩陣鍵盤，為科學(xué)計(jì)算器提供存儲、時(shí)鐘、輸入功能。
在等號被按下前，允許輸入完整的表達(dá)式。因此在軟件上需要做到語法識別、優(yōu)先級順序、括號嵌套等功能。
計(jì)算器擁有普通計(jì)算(表達(dá)式與函數(shù)識別、計(jì)算)、計(jì)算結(jié)果存儲/回看、復(fù)數(shù)計(jì)算、矩陣運(yùn)算、函數(shù)圖形、解方程、統(tǒng)計(jì)、最小二乘法求回歸直線、一階常微分方程、單位，進(jìn)制轉(zhuǎn)換、定積分、求導(dǎo)等功能。
有節(jié)電模式，5分鐘不輸入自動關(guān)機(jī)，液晶屏亮度5級可調(diào)。

ID:163090 · 發(fā)表于 2020-4-3 18:03

沒有電路圖，系統(tǒng)按鍵部分電路需要自己根據(jù)按鍵模塊程序來進(jìn)行分析反推硬件電路應(yīng)該如何連接。矩陣按鍵有8行5列，一共是40個(gè)按鍵，按照程序的意思好像是電路圖如下圖所示：

以下是按鍵輸入部分電路程序：

#include "STC12C5A60S2.h"
#include <intrins.h>
#include "keyboard_device.h"
#include "lcd_12864.h"
#include "eeprom_rw.h"
#include "mode.h"
#include "pwm.h"
#define uchar unsigned char
#define uint unsigned int

uchar shift=0;//shift鍵
void keyboard_cursor_flash(void);

extern bit gb_flag;
extern uchar flash_count;
extern uchar count;
extern uchar hang;

extern uint time_out;

uchar code welcome_pic[]={
/*--  調(diào)入了一幅圖像：boeing.bmp  --*/
/*--  寬度x高度=128x64  --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x03,0xF8,0x07,0xF0,0x3F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x03,0xF9,0xFF,0xFF,0xBF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x03,0xF9,0x1F,0xE0,0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x03,0xF8,0x0F,0xF0,0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x03,0xF8,0x07,0xF0,0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};

/* ========= 延時(shí)20ms11.0592MHz ========= */
void delay_20m(void) //消抖用延時(shí)
{
unsigned char i, j, k;

i = 1;
j = 216;
k = 35;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}

/* ========= 延時(shí)2s11.0592MHz ========= */
void delay_2s(void) //退出刷屏用延時(shí)
{
unsigned char i, j, k;

i = 64;
j = 9;
k = 179;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}

/* ========= 鍵盤掃描 ========= */
uchar keyboard(void)
{
uchar code keyboard_Scan[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //鍵盤掃描庫
//11111110,11111101,11111011,11110111,11101111,11011111,10111111,01111111
uchar i, j, pc, flag = 0;
uchar XScan=0;
uchar in = 0;
uchar test;
while(in == 0)
{
#ifdef KEY_X_IS_HIGH
KEY_X &= 0x07; //清空高5位    0000 0111
XScan = 0x80; //    1000 0000
// XScan = 0x08;
#endif
// #ifdef KEY_X_IS_LOW
// KEY_X &= 0xe0; //清空低5位    1110 0000
// XScan = 0x01; //    0000 0001
// #endif
for(i=0;i<5;i++)
{
KEY_X &=0x07;

test = XScan;
test = ~test;

KEY_X = test & 0xf8 ;
KEY_X = KEY_X | test;    //KEY_X接高八位

KEY_Y = 0xff; //置高
if(0xff != (pc = KEY_Y)) //假如說有按鍵按下
{
if(0xff != (pc = KEY_Y)) //假如說有按鍵按下
{
delay_20m();
for(j=0;j<8;j++)
{ //將掃描值與掃描按鍵值比較
if( pc == keyboard_Scan[j] )
{
in = j * 5 + i +1;
flag = 1;
}

if(flag == 1)
{
while( KEY_Y == keyboard_Scan[j] ); //松手檢測
delay_20m();
break;
}

}
}
if(flag == 1)
break;
}
XScan >>= 1; //左移一位
}

keyboard_cursor_flash();

}
time_out = 0; //清空計(jì)時(shí)
return in;
}

uchar keyboard_wake(void)
{
uchar i, pc, flag = 0;
uchar XScan=0;
uchar in = 0;
uchar test;

#ifdef KEY_X_IS_HIGH
KEY_X &= 0x07; //清空高5位    0000 0111
XScan = 0x80; //    1000 0000
// XScan = 0x08;
#endif
// #ifdef KEY_X_IS_LOW
// KEY_X &= 0xe0; //清空低5位    1110 0000
// XScan = 0x01; //    0000 0001
// #endif
for(i=0;i<5;i++)
{
KEY_X &=0x07;

test = XScan;
test = ~test;

KEY_X = test & 0xf8 ;
KEY_X = KEY_X | test;    //KEY_X接高八位

KEY_Y = 0xff; //置高
if(0xff != (pc = KEY_Y)) //假如說有按鍵按下
{
return 1;
}
XScan >>= 1; //左移一位
}
return 0;
}

/* ========= 光標(biāo)閃爍 ========= */
void keyboard_cursor_flash(void)
{

if(flash_count>=10)
{
if(gb_flag==0)
{
lcd_yline(8*(count-1),16*hang+0,16*hang+15,1);
gb_flag=1;
}
else
{
lcd_yline(8*(count-1),16*hang+0,16*hang+15,0);
gb_flag=0;
}
flash_count=0;
}
//鍵盤空閑監(jiān)控
if(byte_read(ADD_TIMEOUT, 0)<time_out/5600)
{
time_out = 0;
mode_sleep();
}
}

uchar keyboard_output()
{
uchar result = keyboard();
uchar num0=0xff;
switch( result )
{
case 1:
shift=~shift;

num0 = 0 ;
break;
case 4:
//上翻
num0 = 3 ;
break;
case 6:
num0 = '(';
break;
case 7:
num0 = ')';
break;
case 8:
//地址左移一位
num0 = 5 ;
break;
case 9:
//下翻
num0 = 6 ;
break;
case 10:
//地址右移一位
num0 = 7 ;
break;
case 17:
//hyp?
num0 = 14 ;
break;
//數(shù)字鍵
case 36:
num0='0';
break;

case 31:
//lcd_write_str("1");
num0 = '1';
break;
case 32:
//lcd_write_str("2");
num0 = '2';
break;
case 33:
//lcd_write_str("3");
num0 = '3';
break;

case 26:
num0='4';
break;
case 27:
num0='5';
break;
case 28:
num0='6';
break;
case 21:
num0='7';
break;
case 22:
num0='8';
break;
case 23:
num0='9';
break;
case 37:
num0='.';
break;
//+-x/=
case 29:
num0='*';
break;
case 30:
num0='/';
break;
case 34:
num0='+';
break;
case 35:
num0='-';
break;
case 40:
num0='=';
//等于？
break;

case 24:
//刪掉上一位，指針指向上一位？
num0 = 18 ;
break;
case 25:
//刪掉整個(gè)字符串，指針指向該行起點(diǎn)？
num0 = 19 ;
break;
case 38:
//ans?
num0 = 20 ;
break;
case 39:
//copy?
num0 = 21 ;
break;
}

if(shift==0)
{
switch(result)
{
case 2:
//返回菜單？
num0 = 1;
break;
case 3:
num0 = 2;
break;
case 5:
//清屏，打開背光
num0 = 4;
break;
case 11:
//lcd_write_str("abs(");
num0 = 8;  //絕對值
break;
case 12:
//lcd_write_str("^2");
num0 = 9;  //平方
break;
case 13:
//lcd_write_str("^(");
num0 = '^';  //方
break;
case 14:
//lcd_write_str("^(-1)");
num0 = 11;  //倒數(shù)
break;
case 15:
//lcd_write_str("exp(");
num0 = 12;
break;
case 16:
//lcd_write_str("10^(");
num0 = 13;
break;
case 18:
//lcd_write_str("sin(");
num0 = 15;
break;
case 19:
//lcd_write_str("cos(");
num0 = 16;
break;
case 20:
//lcd_write_str("tan(");
num0 = 17;
break;

// case 31:
// num0='1';
// break;
// case 32:
// num0='2';
// break;
// case 33:
// num0='3';
// break;

}

}
else
{
switch(result)
{
case 2:
//返回設(shè)置？
num0 = 23;
break;
case 3:
num0 = 'e';
break;
case 5:
//清屏，關(guān)閉背光
//lcd_clear();
//關(guān)閉背光？
num0 = 24;
break;
case 11:
num0 = 'i';
break;
case 12:
//lcd_write_str("^(1/2)");
num0 = 25;
break;
case 13:
//lcd_write_str("^(1/");
num0 = 26;
break;
case 14:
//lcd_write_str("!");
num0 = '!';
break;
case 15:
//lcd_write_str("ln(");
num0 = 27;
break;
case 16:
//lcd_write_str("log(");
num0 = 28;
break;
case 18:
//lcd_write_str("asin(");
num0 = 29;
break;
case 19:
//lcd_write_str("acos(");
num0 = 30;
break;
case 20:
//lcd_write_str("atan(");
num0 = 31;
break;
case 31:
//lcd_write_str("x");
num0 = 'x';
break;
case 32:
//lcd_write_str("y");
num0 = 'y';
break;
case 33:
//lcd_write_str("z");
num0 = 'z';
break;
case 37:
num0 = 32;
break;
}
}
if(result != 1)
shift=0;

if(shift == 0)
bl_bright_change(byte_read(ADD_BRIGHT, 0)); //還原亮度設(shè)定
else
bl_bright_change(byte_read(ADD_SHIFTSIGN, 0)); //shift亮度設(shè)定

/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
if(num0==24)                            //on和off
{
TR0=0;
lcd_clear();
lcd_write_pic(0, 0, welcome_pic, 128, 64); /*波音會徽*/

lcd_set_pos(1, 4);
lcd_write_str("計(jì)算器"); /*計(jì)算器*/

lcd_set_pos(2, 4);
lcd_write_str("開心波音"); /*開心波音*/

delay_2s();
lcd_clear();
lcd_clear_pic(); /*清屏*/
bl_bright_change(0); //關(guān)燈
while(num0!=4)
num0 = keyboard_output();
bl_bright_change(byte_read(ADD_BRIGHT, 0)); //還原亮度設(shè)定

reset(); //復(fù)位
}
/////////////////////////////////////////////////////////////////////////
else if(num0==23)                            //set
{
byte_write(ADD_PROG_STATUS, SET ,0); //寫入設(shè)置
reset(); //復(fù)位
}

////////////////////////////////////////////////////////////////////////
else if(num0==1)                            //mode
{
byte_write(ADD_PROG_STATUS, MODE ,0); //寫入菜單
reset(); //復(fù)位
}
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
return num0;
}

void about()
{
TR0=0;
lcd_clear();
lcd_write_pic(0, 0, welcome_pic, 128, 64); /*波音會徽*/

lcd_set_pos(1, 4);
lcd_write_str("計(jì)算器"); /*計(jì)算器*/

lcd_set_pos(2, 4);
lcd_write_str("開心波音"); /*開心波音*/
while(keyboard_wake());
}

ID:352458 · 發(fā)表于 2020-4-3 20:29

厲害了，這些不僅僅是一個(gè)傳統(tǒng)意義上的科學(xué)計(jì)算器了。他是專業(yè)級別的計(jì)算器了。同學(xué)有一塊專業(yè)級別可以解自控方程的要120大洋的。

ID:163090 · 發(fā)表于 2020-4-5 17:06

liu5678 發(fā)表于 2020-4-3 20:29
厲害了，這些不僅僅是一個(gè)傳統(tǒng)意義上的科學(xué)計(jì)算器了。他是專業(yè)級別的計(jì)算器了。同學(xué)有一塊專業(yè)級別可以解自 ...

哥們有沒興趣做一個(gè)給大家分享一下呢

ID:91165 · 發(fā)表于 2020-4-7 08:06

51也做得這么強(qiáng)大。樓主厲害

ID:281879 · 發(fā)表于 2020-4-7 13:04

太牛了學(xué)習(xí)到了

ID:458705 · 發(fā)表于 2020-4-8 15:35

一個(gè)字，牛！
兩個(gè)字，特牛！
三個(gè)字，犇！

ID:87631 · 發(fā)表于 2020-4-12 14:16

這人真的是太牛了

ID:704585 · 發(fā)表于 2020-4-14 14:29

感謝樓主分享，學(xué)習(xí)一下。

ID:413383 · 發(fā)表于 2020-4-14 22:57

這人真的是太牛了,感覺太難了

ID:17204 · 發(fā)表于 2020-4-15 15:47

好難，只有吃透51才能做出來，向大佬看齊，努力學(xué)習(xí)中。。。

ID:701252 · 發(fā)表于 2020-10-17 09:35

啥也不說了！謝謝樓主分享！

ID:88256 · 發(fā)表于 2020-10-17 10:10

那個(gè)按鍵帽有地方買的嗎？

ID:557411 · 發(fā)表于 2021-3-20 16:58

這個(gè)做得太強(qiáng)大了，樓主厲害

ID:894410 · 發(fā)表于 2021-3-20 19:05

注意到了鍵帽。。哈哈

ID:59830 · 發(fā)表于 2021-3-20 19:09

非常不錯(cuò)，多級LCD顯示菜單.
程序結(jié)構(gòu)清晰. 值得大家學(xué)習(xí). 謝謝！

ID:358564 · 發(fā)表于 2021-3-20 19:29

感謝樓主分享，學(xué)習(xí)一下。

ID:891775 · 發(fā)表于 2021-5-3 11:34

想問一下，判斷運(yùn)算符優(yōu)先級的代碼應(yīng)該怎么寫呀

ID:838718 · 發(fā)表于 2021-7-21 20:11

膜拜一下，有機(jī)會挑戰(zhàn)一下自己也搞一個(gè)。

ID:507641 · 發(fā)表于 2021-7-31 18:04

很好的學(xué)習(xí)分享實(shí)例51.對于按鍵的處理如果優(yōu)化才是好產(chǎn)品

ID:507641 · 發(fā)表于 2021-7-31 18:17

功能強(qiáng)大。只是DS1302走時(shí)誤差大了些。

ID:137590 · 發(fā)表于 2021-8-10 17:33

。因此在軟件上需要做到語法識別、優(yōu)先級順序、括號嵌套等功能。計(jì)算器擁有普通計(jì)算(表達(dá)式與函數(shù)識別、計(jì)算)、計(jì)算結(jié)果存儲/回看、復(fù)數(shù)計(jì)算、矩陣運(yùn)算、函數(shù)圖形、解方程、統(tǒng)計(jì)、最小二乘法求回歸直線、一階常微分方程、單位，進(jìn)制轉(zhuǎn)換、定積分、求導(dǎo)等功能。有節(jié)電模式，5分鐘不輸入自動關(guān)機(jī)，液晶屏亮度5級可調(diào)。

ID:137590 · 發(fā)表于 2021-8-10 17:34

一個(gè)字，牛！
兩個(gè)字，特牛！
三個(gè)字，犇！

ID:137590 · 發(fā)表于 2021-10-9 21:12

好難，只有吃透51才能做出來，向大佬看齊，努力學(xué)習(xí)中。。。

ID:970860 · 發(fā)表于 2021-10-10 06:56

都是大神

ID:648615 · 發(fā)表于 2021-10-10 23:13

真提我女朋友歷害，很有用，謝謝樓主

ID:62246 · 發(fā)表于 2021-10-11 07:48

厲害，厲害，大佬級人物。

ID:86450 · 發(fā)表于 2021-10-11 08:13

按鍵帽，在哪里買的？

ID:304725 · 發(fā)表于 2021-10-24 23:16

有原理圖嗎

ID:974131 · 發(fā)表于 2021-11-6 17:55

論壇有你更精彩，謝謝！

ID:1003827 · 發(fā)表于 2022-1-29 20:33

大佬就是大牛啊

ID:430492 · 發(fā)表于 2022-1-30 10:17

這個(gè)設(shè)計(jì)真是太牛掰了！動手能力也很牛掰！

ID:507641 · 發(fā)表于 2022-3-18 10:40

單片機(jī)菜鳥丿發(fā)表于 2020-4-5 17:06
哥們有沒興趣做一個(gè)給大家分享一下呢

大伽分享吧

ID:22218 · 發(fā)表于 2022-3-19 04:27

2732803160 發(fā)表于 2021-5-3 11:34
想問一下，判斷運(yùn)算符優(yōu)先級的代碼應(yīng)該怎么寫呀

這個(gè)我想可以按C語言內(nèi)置的功能

ID:195496 · 發(fā)表于 2022-5-8 07:34

真是大神級的人物

ID:1042173 · 發(fā)表于 2022-9-2 00:36

樓主是乍作出實(shí)物來的？？？有電路圖嗎？？光有程序也不行呀——起好多彎路的——

ID:74784 · 發(fā)表于 2022-9-3 13:34

曾經(jīng)見到過高人用51單片機(jī)
做的彩色屏俄羅斯方塊游戲。

ID:961114 · 發(fā)表于 2022-9-15 10:26

大神辛苦了，幫用屠龍刀三-STC32G12K128核心功能實(shí)驗(yàn)板去改或開天斧三-STC8H8K64U核心功能實(shí)驗(yàn)板去改！ STC將提供贊助

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牛人制作的單片機(jī)科學(xué)型計(jì)算器，功能太強(qiáng)大大家一起欣賞