مشروعات تطبيقية · الدرس 4.4

لعبة التقاط الثمار Fruit Forecast

العودة إلى الدروس

فكرة اللعبة

سننشئ لعبة لالتقاط حبات ساقطة باستخدام MAX7219 و MPU6050 والطنان، لتعميق فهم تطبيقاتها وتنمية التفكير البرمجي.

المكونات المطلوبة

شاشة اللعبة وحالات الإضاءة
شاشة اللعبة وحالات الإضاءة

يبيّن الرسم: الأخضر لثلاث فرص، والأصفر لفرصتين، والأحمر لفرصة واحدة. الحبات تسقط من أعلى، وتلتقطها السيارة في التجويف الأوسط.

أمل اللوحة يمينًا ويسارًا لتحريك السيارة؛ التقط الحبة بمحاذاة وسطها. إذا التقطت أكثر من 10 حبات يظهر وجه مبتسم، وإلا تظهر نهاية اللعبة. عند الانتهاء حرّك التوسعة إلى أعلى وأسفل لإعادة البدء.

التوصيل

ركّب لوحة التوسعة على UNO.

توصيل المصفوفة ووحدة القياس بالقصور الذاتي (MPU-6050 Module) والطنان
توصيل المصفوفة ووحدة القياس بالقصور الذاتي (MPU-6050 Module) والطنان

الجزء الأول: حركة السيارة

تأكد من توفر المكتبات المستخدمة في المثال قبل تشغيله. لخطوات إضافة مكتبة غير مثبتة، راجع قسم «ما هي المكتبات؟» وطرق تثبيتها في الدرس 1.5 «وميض LED وإضافة المكتبات».

افتح ملف demo1.ino من مجلد المثال الأول في ملفات الدرس باستخدام بيئة Arduino IDE. لتجربته، وصّل لوحة أردوينو (UNO R3 Board) بالحاسوب بكابل توصيل (USB Cable)، ثم اضغط Upload (رفع) لنقل البرنامج إلى اللوحة وتشغيله عليها.

لعرض السيارة يُعرَّف car[2] بالنمطين B00000111 و B00000101. الفهارس تبدأ من 0، لذا car[0] أول صف و car[1] الثاني؛ وعدد العناصر 2.

تعرض game_init() الصفين عبر lc.setRow(0,7,car[0]) و lc.setRow(0,6,car[1]). تستخدم Control_right() و Control_left() لتحريكها.

الإزاحة << تنقل البتات لليسار: B00000111 << 1 يصبح B00001110، فيتحرك الرسم خانة واحدة.

شكل السيارة على المصفوفة
شكل السيارة على المصفوفة
أثر الإزاحة على نمط السيارة
أثر الإزاحة على نمط السيارة

افحص اصطدام الحواف مع كل حركة حتى لا تختفي السيارة يمينًا أو يسارًا. عند المواضع الحدية المعروضة، يلغي الكود الحركة أو يعيد نمط السيارة إلى موضع مناسب. التفاصيل في demo1.

الجزء الثاني: سقوط الحبات

افتح ملف demo2.ino من مجلد المثال الثاني في بيئة Arduino IDE، وتتبّع الدالة pro_random_beans(). لتوليد اختيار عشوائي يهيئ random_init() باستخدام randomSeed(analogRead(0)). تعرف bean_x و bean_y موضع الحبة، وتحدد beans_init() البداية.

للمصفوفة ثمانية أعمدة مرقمة من 0 إلى 7. تعيد random(7) قيمًا من 0 إلى 6 لأن الحد الأعلى غير مشمول؛ ولاختيار أي من الأعمدة الثمانية استخدم random(8).

بعد اختيار العمود تضاء خلاياه وتطفأ بالتتابع في for ليبدو أن الحبة تسقط. المتغير bean_speed يصف سرعة السقوط، وتستخدم مقتطفات beans_falling() أيضًا bean_flick_speed للفاصل بين التشغيل والإطفاء، ثم delay(300) وزيادة bean_x. راجع demo2 للتفاصيل.

الأجزاء الثالث والرابع والخامس

الجزء الثالث: الالتقاط

افتح ملف demo3.ino من مجلد المثال الثالث في بيئة Arduino IDE لمتابعة الشرح. يدمج pro_random_beans() وظائف الحركة Control_right() و Control_left() و game_init() من demo1 مع سقوط الحبات من demo2، ويحدث التسارع بـ update_Ac()، لتظهر حركة السيارة أثناء السقوط.

الجزء الرابع: الحركة والصوت

افتح ملف demo4.ino من مجلد المثال الرابع في بيئة Arduino IDE لمتابعة الشرح. ينفذ مؤثرات الصوت والإضاءة ورسوم اللعبة. يمكن تغيير المتغيرات التالية لتعديل سرعتها:

مقتطف من الشرح
int16_t er_show_speed = 150;

int16_t heart_show_speed = 150;

int16_t game_show_speed = 80;

int16_t music_speed = 100;

int16_t car_display_speed = 85;

الجزء الخامس: اللعبة الكاملة

افتح ملف receive_beans_G.ino من مجلد اللعبة الكاملة في بيئة Arduino IDE، مع إبقاء بقية ملفات المشروع في المجلد نفسه. وصّل لوحة أردوينو (UNO R3 Board) بالحاسوب بكابل توصيل (USB Cable)، ثم اضغط Upload (رفع) لنقل البرنامج إلى اللوحة وتشغيل اللعبة الكاملة عليها.

يجمع هذا البرنامج الأجزاء السابقة. عند وصول الحبة إلى الصف الأخير، يقارن car[0] بالنمط المناسب في x[]. التطابق مع x[bean_y] يعني التقاطًا ناجحًا، فتعمل success_receive_voice() ويزيد beans_received_num؛ الاختلاف يؤدي إلى case_run().

أنماط x[] هي B00000011 و B00000111 و B00001110 و B00011100 و B00111000 و B01110000 و B11100000 و B11000000. راجع case_ending_judge() والكود الكامل للتفاصيل.

الكود

code/demo1/demo1.h

#ifndef DEMO1_H
#define DEMO1_H
#include "LedControl.h"
#include "Wire.h"
/*Pin******************************************************************************************************************/
/*max 7219*/
LedControl lc=LedControl(13,7,8,1);//max7219 pin definition

/*MPU*/
const int16_t MPU_addr=0x68;
int16_t AcX,AcY,AcZ;

/*******************************************************************************************************************/
//the car used to receive beans
uint8_t car[2]={B00000111,B00000101};
            // car[0]      car[1]
       
int16_t car_display_speed=50;

/*function******************************************************************************************************************/
void max7219_init();
void game_init();

/*direction_control*/
void MPU_init();
void update_Ac();
void Control_right();
void Control_left();

#endif

code/demo1/demo1.ino

#include "LedControl.h"
#include "Wire.h"
#include "demo1.h"

/*
  demo1:control car move.
*/

void setup() 
{  
  max7219_init();
  
   MPU_init();
}

void loop() {
  game_init();
  
  update_Ac();
  
  Control_right();
  
  Control_left();
  
  Serial.print(car[0]);
  Serial.print("\n");
}

void max7219_init()//max7219 init
{
  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0);           
}

void game_init() //car init
{
 lc.setRow(0,7,car[0]);
 lc.setRow(0,6,car[1]);
}

code/demo1/direction_control.ino

void MPU_init()
{  Wire.begin();
  Wire.beginTransmission(MPU_addr);
  Wire.write(0x6B);  // PWR_MGMT_1 register
  Wire.write(0);     // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
  }

void update_Ac()
{ Wire.beginTransmission(MPU_addr);
  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);
  Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
  AcX=Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
  AcY=Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
  AcZ=Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
  }

//to control your car turn right
void Control_right()
{
    if(AcY>5000)      
  {
        if(car[0]==B00000011)
      {
        car[0]=B00000111;
        car[1]=B00000101;
      }
       if(car[0]==B11000000)
         {
          car[0]=B00000011;
          car[1]=B00000010;
         }
         else{
          car[0]=car[0]<<1;
          car[1]=car[1]<<1;
         }
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed); 
  }
}

//to control your car turn left
   void Control_left()
{
     if(AcY<-5000)      
  {
       
       if(car[0]==B11000000)
       {
        car[0]=B11100000;
        car[1]=B10100000;
       }
       
       if(car[0]==B00000011)
         {
          car[0]=B11000000;
          car[1]=B01000000;
         }
         else
        { 
        car[0]=car[0]>>1;
        car[1]=car[1]>>1;
        }
        
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed);
  }
}

code/demo2/demo2.h

#ifndef DEMO2_H
#define DEMO2_H
#include "LedControl.h"
#include "Wire.h"
/*Pin******************************************************************************************************************/
/*max 7219*/
LedControl lc=LedControl(13,7,8,1);//max7219 pin definition

/*variable definition******************************************************************************************************************/
int16_t bean_flick_speed=50;
uint8_t bean_x = 0;     //Storage location: At which point16_t the bean falls on the x-axis
uint8_t bean_y = 0;     //Storage location: At which point16_t the bean falls on the y-axis 

/*function******************************************************************************************************************/
void max7219_init();


/*random_beans*/
void random_init();
void beans_init();
void pro_random_beans();
void beans_falling();


#endif

code/demo2/demo2.ino

#include "LedControl.h"
#include "pitches.h"
#include "demo2.h"
/*
  demo2:beans falling
*/

void setup() {
  max7219_init();
  
  random_init();
}

void loop() {
  pro_random_beans();
  
  beans_falling();
}

void max7219_init()
{
  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0);           //max7219 init
}

code/demo2/random_beans.ino

//to produce random beans
void random_init()
{randomSeed(analogRead(0));} //random init


void beans_init()
{bean_y = random(7);            
 bean_x=0;}

void pro_random_beans()//produce ramdon beans
{ 
   beans_init();
  for(bean_x=0;bean_x<=7;)
  { 
    beans_falling();
    } 
}

void beans_falling()
{ 
  lc.setLed(0,bean_x,7-bean_y,true);
  delay(bean_flick_speed);
  lc.setLed(0,bean_x,7-bean_y,false);
  delay(bean_flick_speed);
  delay(300);
  bean_x++;
}

code/demo3/demo3.h

#ifndef DEMO3_H
#define DEMO3_H
#include "LedControl.h"
#include "Wire.h"
/*Pin******************************************************************************************************************/
/*max 7219*/
LedControl lc=LedControl(13,7,8,1);//max7219 pin definition

/*MPU*/
const int16_t MPU_addr=0x68;  // I2C address
int16_t AcX,AcY,AcZ;

/*variable definition******************************************************************************************************************/
int16_t bean_flick_speed=50;
uint8_t bean_x = 0;     //Storage location: At which point16_t the bean falls on the x-axis
uint8_t bean_y = 0;     //Storage location: At which point16_t the bean falls on the y-axis 

//the car used to receive beans
uint8_t car[2]={B00000111,B00000101};
       // car[0]      car[1]

int16_t car_display_speed=85;

/*function******************************************************************************************************************/
void max7219_init();
void game_init();

/*random_beans*/
void random_init();
void beans_init();
void pro_random_beans();
void beans_falling();

/*direction_control*/
void MPU_init();
void update_Ac();
void Control_right();
void Control_left();

#endif

code/demo3/demo3.ino

#include "LedControl.h"
#include "Wire.h"
#include "demo3.h"

/*
  demo2:receive beans
*/

void setup() {
  max7219_init();
  
  random_init();
  
  MPU_init();
}

void loop() {
  pro_random_beans();
  beans_falling();
}

void max7219_init()
{
  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0);           //max7219 init
}

void game_init()
{
 lc.setRow(0,7,car[0]);
 lc.setRow(0,6,car[1]);//car init
}

code/demo3/direction_control.ino

void MPU_init()
{  Wire.begin();
  Wire.beginTransmission(MPU_addr);
  Wire.write(0x6B);  // PWR_MGMT_1 register
  Wire.write(0);     // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
  }

void update_Ac()
{ Wire.beginTransmission(MPU_addr);
  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);
  Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
  AcX=Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
  AcY=Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
  AcZ=Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
  }

//to control your car turn right
void Control_right()
{
    if(AcY>5000)      
  {
        if(car[0]==B00000011)
      {
        car[0]=B00000111;
        car[1]=B00000101;
      }
       if(car[0]==B11000000)
         {
          car[0]=B00000011;
          car[1]=B00000010;
         }
         else{
          car[0]=car[0]<<1;
          car[1]=car[1]<<1;
         }
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed); 
  }
}

//to control your car turn left
   void Control_left()
{
     if(AcY<-5000)      
  {
       
       if(car[0]==B11000000)
       {
        car[0]=B11100000;
        car[1]=B10100000;
       }
       
       if(car[0]==B00000011)
         {
          beans_falling();
          car[0]=B11000000;
          car[1]=B01000000;
         }
         else
        { 
        car[0]=car[0]>>1;
        car[1]=car[1]>>1;
        }
        
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed);
  }
}

code/demo3/random_beans.ino

//to produce random beans
void random_init()
{randomSeed(analogRead(0));} //random init


void beans_init()
{bean_y = random(7);            
 bean_x=0;}

void pro_random_beans()//produce ramdon beans
{ 
   beans_init();
  for(bean_x=0;bean_x<=7;)
  { 
    update_Ac();
    Control_right();
    Control_left();
    game_init();
    beans_falling();
    } 
}

void beans_falling()
{ 
  lc.setLed(0,bean_x,7-bean_y,true);
  delay(bean_flick_speed);
  lc.setLed(0,bean_x,7-bean_y,false);
  delay(bean_flick_speed);
  delay(300);
  bean_x++;
}

code/demo4/demo4.h

#ifndef DEMO4_H
#define DEMO4_H
#include "LedControl.h"
#include "pitches.h"
/*Pin******************************************************************************************************************/
/*max 7219*/
LedControl lc=LedControl(13,7,8,1);//max7219 pin definition

/*buzzer pin*/
const uint8_t BUZZER=3;

/*RGB pin*/
const uint8_t BLUE=5;
const uint8_t GREEN=6;
const uint8_t RED=9;

/*variable definition******************************************************************************************************************/
//buzzer melody definition
int16_t melody[] = {
NOTE_C5, NOTE_D5, NOTE_E5, NOTE_F5, NOTE_G5, NOTE_A5, NOTE_B5, NOTE_C6};
int16_t duration = 500;  // 500 miliseconds

int16_t er_show_speed=150;   //enlarge_reduce_display speed
int16_t heart_show_speed=150;   
int16_t game_show_speed=80;
int16_t music_speed=100;
int16_t car_display_speed=85;

/*function******************************************************************************************************************/
void max7219_init();


/*display_resource*/
void max7219_init();
void enlarge_reduce_display();
void heart_display();
void game_over_display();
void win_display();

/*light effect*/
void RGB_init();
void hp3_light_effect();
void hp1_light_effect();
void hp2_light_effect();
void end_light_effect();
void close_light_effect();
void win_light_effect();

/*voice_resource*/
void ending_music1();
void ending_music2();
void start_music();
void success_receive_voice();
void fail_receive_voice();
void mid_click_voice();
void win_music();


#endif

code/demo4/demo4.ino

#include "LedControl.h"
#include "demo4.h"
#include "pitches.h"

void setup() 
{
  max7219_init();

  RGB_init();
}

void loop() {
  
 /*display_resource*/
  enlarge_reduce_display();
  heart_display();
  game_over_display();
  win_display();

/*light effect*/
  RGB_init();
  hp3_light_effect();
  hp1_light_effect();
  hp2_light_effect();
  end_light_effect();
  close_light_effect();
  win_light_effect();

/*voice_resource*/
  ending_music1();
  ending_music2();
  start_music();
  success_receive_voice();
  fail_receive_voice();
  mid_click_voice();
  win_music();

while(1);
}

code/demo4/display_resource.ino

void max7219_init()
{
  lc.shutdown(0,false);
  lc.setIntensity(0,8);
  lc.clearDisplay(0);           //max7219 init
}

void enlarge_reduce_display()
{
   lc.clearDisplay(0);
   delay(er_show_speed);
   lc.setRow(0,4,B00011000);
   lc.setRow(0,3,B00011000);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed);
   lc.setRow(0,5,B00111100);
   lc.setRow(0,4,B00100100);
   lc.setRow(0,3,B00100100);
   lc.setRow(0,2,B00111100);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
   lc.setRow(0,7,B00000000);
   lc.setRow(0,6,B01111110);
   lc.setRow(0,5,B01000010);
   lc.setRow(0,4,B01000010);
   lc.setRow(0,3,B01000010);
   lc.setRow(0,2,B01000010);
   lc.setRow(0,1,B01111110);
   lc.setRow(0,0,B00000000);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
   lc.setRow(0,7,B11111111);
   lc.setRow(0,6,B10000001);
   lc.setRow(0,5,B10000001);
   lc.setRow(0,4,B10000001);
   lc.setRow(0,3,B10000001);
   lc.setRow(0,2,B10000001);
   lc.setRow(0,1,B10000001);
   lc.setRow(0,0,B11111111);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
  }

void heart_display()
{
   lc.setRow(0,0,B00000000);
   lc.setRow(0,1,B01100110);
   lc.setRow(0,2,B11111111);
   lc.setRow(0,3,B11111111);
   lc.setRow(0,4,B11111111);
   lc.setRow(0,5,B01111110);
   lc.setRow(0,6,B00111100);
   lc.setRow(0,7,B00011000);
   
   delay(heart_show_speed);
   lc.clearDisplay(0);
   delay(heart_show_speed);
   lc.setRow(0,0,B00000000);
   lc.setRow(0,1,B00000000);
   lc.setRow(0,2,B00100100);
   lc.setRow(0,3,B01111110);
   lc.setRow(0,4,B01111110);
   lc.setRow(0,5,B00111100);
   lc.setRow(0,6,B00011000);
   lc.setRow(0,7,B00000000);
   delay(heart_show_speed);
   lc.clearDisplay(0);
   delay(heart_show_speed);
 }

void game_over_display()
{
  int g[8] = {B00000000,B01110000,B10000000,B10000000,B10110000,B10010000,B01110000,B00000000};
  int a[8]={B00000000,B01100000,B10010000,B10010000,B11110000,B10010000,B10010000};
  int m[8]={B00000000,B11111000,B10101000,B10101000,B10101000,B10101000,B10101000,B00000000};
  int e[8]={B00000000,B11110000,B10000000,B10000000,B11110000,B10000000,B11110000};
  int o[8]={B00000000,B01100000,B10010000,B10010000,B10010000,B10010000,B01100000};
  int v[8]={B00000000,B10000100,B10000100,B10000100,B10000100,B01001000,B00110000};
  int r[8]={B00000000,B10000000,B10000000,B10100000,B11010000,B10000000,B10000000};


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,g[0]);
     lc.setRow(0,1,g[1]);
     lc.setRow(0,2,g[2]);
     lc.setRow(0,3,g[3]);
     lc.setRow(0,4,g[4]);
     lc.setRow(0,5,g[5]);
     lc.setRow(0,6,g[6]);
     lc.setRow(0,7,g[7]);
     g[0]=g[0]>>1;
     g[1]=g[1]>>1;
     g[2]=g[2]>>1;
     g[3]=g[3]>>1;
     g[4]=g[4]>>1;
     g[5]=g[5]>>1;
     g[6]=g[6]>>1;
     g[7]=g[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,a[0]);
     lc.setRow(0,1,a[1]);
     lc.setRow(0,2,a[2]);
     lc.setRow(0,3,a[3]);
     lc.setRow(0,4,a[4]);
     lc.setRow(0,5,a[5]);
     lc.setRow(0,6,a[6]);
     lc.setRow(0,7,a[7]);
     a[0]=a[0]>>1;
     a[1]=a[1]>>1;
     a[2]=a[2]>>1;
     a[3]=a[3]>>1;
     a[4]=a[4]>>1;
     a[5]=a[5]>>1;
     a[6]=a[6]>>1;
     a[7]=a[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************

 
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,m[0]);
     lc.setRow(0,1,m[1]);
     lc.setRow(0,2,m[2]);
     lc.setRow(0,3,m[3]);
     lc.setRow(0,4,m[4]);
     lc.setRow(0,5,m[5]);
     lc.setRow(0,6,m[6]);
     lc.setRow(0,7,m[7]);
     m[0]=m[0]>>1;
     m[1]=m[1]>>1;
     m[2]=m[2]>>1;
     m[3]=m[3]>>1;
     m[4]=m[4]>>1;
     m[5]=m[5]>>1;
     m[6]=m[6]>>1;
     m[7]=m[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,e[0]);
     lc.setRow(0,1,e[1]);
     lc.setRow(0,2,e[2]);
     lc.setRow(0,3,e[3]);
     lc.setRow(0,4,e[4]);
     lc.setRow(0,5,e[5]);
     lc.setRow(0,6,e[6]);
     lc.setRow(0,7,e[7]);
     e[0]=e[0]>>1;
     e[1]=e[1]>>1;
     e[2]=e[2]>>1;
     e[3]=e[3]>>1;
     e[4]=e[4]>>1;
     e[5]=e[5]>>1;
     e[6]=e[6]>>1;
     e[7]=e[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************

  //ending_music1();
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,o[0]);
     lc.setRow(0,1,o[1]);
     lc.setRow(0,2,o[2]);
     lc.setRow(0,3,o[3]);
     lc.setRow(0,4,o[4]);
     lc.setRow(0,5,o[5]);
     lc.setRow(0,6,o[6]);
     lc.setRow(0,7,o[7]);
     o[0]=o[0]>>1;
     o[1]=o[1]>>1;
     o[2]=o[2]>>1;
     o[3]=o[3]>>1;
     o[4]=o[4]>>1;
     o[5]=o[5]>>1;
     o[6]=o[6]>>1;
     o[7]=o[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************

  //ending_music2();
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,v[0]);
     lc.setRow(0,1,v[1]);
     lc.setRow(0,2,v[2]);
     lc.setRow(0,3,v[3]);
     lc.setRow(0,4,v[4]);
     lc.setRow(0,5,v[5]);
     lc.setRow(0,6,v[6]);
     lc.setRow(0,7,v[7]);
     v[0]=v[0]>>1;
     v[1]=v[1]>>1;
     v[2]=v[2]>>1;
     v[3]=v[3]>>1;
     v[4]=v[4]>>1;
     v[5]=v[5]>>1;
     v[6]=v[6]>>1;
     v[7]=v[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  
  //******************************************

   e[0]=e[0]<<5;
   e[1]=e[1]<<5;
   e[2]=e[2]<<5;
   e[3]=e[3]<<5;
   e[4]=e[4]<<5;
   e[5]=e[5]<<5;
   e[6]=e[6]<<5;
   e[7]=e[7]<<5;
   
  //ending_music1();
  for(int i=0;i<5;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,e[0]);
     lc.setRow(0,1,e[1]);
     lc.setRow(0,2,e[2]);
     lc.setRow(0,3,e[3]);
     lc.setRow(0,4,e[4]);
     lc.setRow(0,5,e[5]);
     lc.setRow(0,6,e[6]);
     lc.setRow(0,7,e[7]);
     e[0]=e[0]>>1;
     e[1]=e[1]>>1;
     e[2]=e[2]>>1;
     e[3]=e[3]>>1;
     e[4]=e[4]>>1;
     e[5]=e[5]>>1;
     e[6]=e[6]>>1;
     e[7]=e[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************

  ending_music2();
  for(int i=0;i<4;i++)
  {
     //delay(game_show_speed);
     lc.setRow(0,0,r[0]);
     lc.setRow(0,1,r[1]);
     lc.setRow(0,2,r[2]);
     lc.setRow(0,3,r[3]);
     lc.setRow(0,4,r[4]);
     lc.setRow(0,5,r[5]);
     lc.setRow(0,6,r[6]);
     lc.setRow(0,7,r[7]);
     r[0]=r[0]>>1;
     r[1]=r[1]>>1;
     r[2]=r[2]>>1;
     r[3]=r[3]>>1;
     r[4]=r[4]>>1;
     r[5]=r[5]>>1;
     r[6]=r[6]>>1;
     r[7]=r[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************
  }
   
   void win_display()
 {
   int i=3;
  while(i--)
  {
  win_music();
  lc.setRow(0,0,B11100111);
  lc.setRow(0,1,B11100111);
  lc.setRow(0,2,B11100111);
  lc.setRow(0,5,B01111110);
  lc.setRow(0,6,B00111100);
  lc.setRow(0,7,B00011000);
  win_light_effect();
  lc.setRow(0,0,B00000000);
  lc.setRow(0,1,B00000000);
  lc.setRow(0,2,B00000000);
  lc.setRow(0,5,B00000000);
  lc.setRow(0,6,B00000000);
  lc.setRow(0,7,B00000000);
  win_light_effect();
  lc.setRow(0,1,B01000010);
  lc.setRow(0,2,B10100101);
  lc.setRow(0,5,B01000010);
  lc.setRow(0,6,B00100100);
  lc.setRow(0,7,B00011000);
  win_music();
  lc.setRow(0,0,B00000000);
  lc.setRow(0,1,B00000000);
  lc.setRow(0,2,B00000000);
  lc.setRow(0,5,B00000000);
  lc.setRow(0,6,B00000000);
  lc.setRow(0,7,B00000000);
  }
 }

code/demo4/light_effect.ino

void RGB_init()
{
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
  digitalWrite(RED, HIGH);
  digitalWrite(GREEN, LOW);
  digitalWrite(BLUE, LOW);
}


void hp3_light_effect()
{
 analogWrite(RED, 0);
 analogWrite(BLUE, 0);
 analogWrite(GREEN,5);
}

void hp1_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,5);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,5);
}


void hp2_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
}

void end_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 4);
  analogWrite(BLUE, 4);
  analogWrite(GREEN,4);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }  
  }

void close_light_effect()
{
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }

void win_light_effect()
{
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 6);
  analogWrite(BLUE, 2);
  analogWrite(GREEN,1);
  delay(100); 
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  }

code/demo4/voice_resource.ino

void ending_music1()
{
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  }

void ending_music2()
{
  tone(BUZZER, melody[5], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  }

void start_music()
{
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[5], duration);
  delay(music_speed);
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
   }

   
void success_receive_voice()
{
  tone(BUZZER, NOTE_F5, duration);
  }

  void fail_receive_voice()
{
  tone(BUZZER, NOTE_GS2, duration);
  }

void mid_click_voice()
{
  tone(BUZZER, melody[4], duration);
  }

  void win_music()
{
  int melody[] = {
  NOTE_C5, NOTE_D5, NOTE_E5, NOTE_F5, NOTE_G5, NOTE_A5, NOTE_B5, NOTE_C6};
  int thisNote;
  for (thisNote = BUZZER; thisNote >=0; thisNote--) 
   {
    tone(BUZZER, melody[thisNote], 100);
    delay(100);
    }
  
  }

code/receive_beans_G/direction_control.ino

void MPU_init()
{  Wire.begin();
  Wire.beginTransmission(MPU_addr);
  Wire.write(0x6B);  // PWR_MGMT_1  inner power management register of MPU6050
  Wire.write(0);     // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
  }

void update_Ac()
{ Wire.beginTransmission(MPU_addr);
  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);//stop the twi
  Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
  AcX=Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
  AcY=Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
  AcZ=Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
  }

//to control your car turn right
void Control_right()
{
    if(AcY>5000)      
  {
        if(car[0]==B00000011)
      {
        car[0]=B00000111;
        car[1]=B00000101;
      }
       if(car[0]==B11000000)
         {
          car[0]=B00000011;
          car[1]=B00000010;
         }
         else{
          car[0]=car[0]<<1;
          car[1]=car[1]<<1;
         }
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed); 
  }
}

//to control your car turn left
   void Control_left()
{
     if(AcY<-5000)      
  {
       
       if(car[0]==B11000000)
       {
        car[0]=B11100000;
        car[1]=B10100000;
       }
       
       if(car[0]==B00000011)
         {
          beans_falling();
          car[0]=B11000000;
          car[1]=B01000000;
         }
         else
        { 
        car[0]=car[0]>>1;
        car[1]=car[1]>>1;
        }
        
        lc.setRow(0,7,car[0]);
        lc.setRow(0,6,car[1]);
        delay(car_display_speed);
        lc.clearDisplay(0);
        delay(car_display_speed);
  }
}

code/receive_beans_G/display_resource.ino

void max7219_init(uint8_t bright)
{
  lc.shutdown(0,false);
  lc.clearDisplay(0);           //max7219 init
  lc.setIntensity(0, bright);
}

void enlarge_reduce_display()
{
   lc.clearDisplay(0);
   delay(er_show_speed);
   lc.setRow(0,4,B00011000);
   lc.setRow(0,3,B00011000);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed);
   lc.setRow(0,5,B00111100);
   lc.setRow(0,4,B00100100);
   lc.setRow(0,3,B00100100);
   lc.setRow(0,2,B00111100);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
   lc.setRow(0,7,B00000000);
   lc.setRow(0,6,B01111110);
   lc.setRow(0,5,B01000010);
   lc.setRow(0,4,B01000010);
   lc.setRow(0,3,B01000010);
   lc.setRow(0,2,B01000010);
   lc.setRow(0,1,B01111110);
   lc.setRow(0,0,B00000000);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
   lc.setRow(0,7,B11111111);
   lc.setRow(0,6,B10000001);
   lc.setRow(0,5,B10000001);
   lc.setRow(0,4,B10000001);
   lc.setRow(0,3,B10000001);
   lc.setRow(0,2,B10000001);
   lc.setRow(0,1,B10000001);
   lc.setRow(0,0,B11111111);
   delay(er_show_speed);
   lc.clearDisplay(0);
   delay(er_show_speed); 
  }

void heart_display()
{
   lc.setRow(0,0,B00000000);
   lc.setRow(0,1,B01100110);
   lc.setRow(0,2,B11111111);
   lc.setRow(0,3,B11111111);
   lc.setRow(0,4,B11111111);
   lc.setRow(0,5,B01111110);
   lc.setRow(0,6,B00111100);
   lc.setRow(0,7,B00011000);
   
   delay(heart_show_speed);
   lc.clearDisplay(0);
   delay(heart_show_speed);
   lc.setRow(0,0,B00000000);
   lc.setRow(0,1,B00000000);
   lc.setRow(0,2,B00100100);
   lc.setRow(0,3,B01111110);
   lc.setRow(0,4,B01111110);
   lc.setRow(0,5,B00111100);
   lc.setRow(0,6,B00011000);
   lc.setRow(0,7,B00000000);
   delay(heart_show_speed);
   lc.clearDisplay(0);
   delay(heart_show_speed);
 }

void game_over_display()
{
  int g[8] = {B00000000,B01110000,B10000000,B10000000,B10110000,B10010000,B01110000,B00000000};
  int a[8]={B00000000,B01100000,B10010000,B10010000,B11110000,B10010000,B10010000};
  int m[8]={B00000000,B11111000,B10101000,B10101000,B10101000,B10101000,B10101000,B00000000};
  int e[8]={B00000000,B11110000,B10000000,B10000000,B11110000,B10000000,B11110000};
  int o[8]={B00000000,B01100000,B10010000,B10010000,B10010000,B10010000,B01100000};
  int v[8]={B00000000,B10000100,B10000100,B10000100,B10000100,B01001000,B00110000};
  int r[8]={B00000000,B10000000,B10000000,B10100000,B11010000,B10000000,B10000000};


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,g[0]);
     lc.setRow(0,1,g[1]);
     lc.setRow(0,2,g[2]);
     lc.setRow(0,3,g[3]);
     lc.setRow(0,4,g[4]);
     lc.setRow(0,5,g[5]);
     lc.setRow(0,6,g[6]);
     lc.setRow(0,7,g[7]);
     g[0]=g[0]>>1;
     g[1]=g[1]>>1;
     g[2]=g[2]>>1;
     g[3]=g[3]>>1;
     g[4]=g[4]>>1;
     g[5]=g[5]>>1;
     g[6]=g[6]>>1;
     g[7]=g[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,a[0]);
     lc.setRow(0,1,a[1]);
     lc.setRow(0,2,a[2]);
     lc.setRow(0,3,a[3]);
     lc.setRow(0,4,a[4]);
     lc.setRow(0,5,a[5]);
     lc.setRow(0,6,a[6]);
     lc.setRow(0,7,a[7]);
     a[0]=a[0]>>1;
     a[1]=a[1]>>1;
     a[2]=a[2]>>1;
     a[3]=a[3]>>1;
     a[4]=a[4]>>1;
     a[5]=a[5]>>1;
     a[6]=a[6]>>1;
     a[7]=a[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************

 
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,m[0]);
     lc.setRow(0,1,m[1]);
     lc.setRow(0,2,m[2]);
     lc.setRow(0,3,m[3]);
     lc.setRow(0,4,m[4]);
     lc.setRow(0,5,m[5]);
     lc.setRow(0,6,m[6]);
     lc.setRow(0,7,m[7]);
     m[0]=m[0]>>1;
     m[1]=m[1]>>1;
     m[2]=m[2]>>1;
     m[3]=m[3]>>1;
     m[4]=m[4]>>1;
     m[5]=m[5]>>1;
     m[6]=m[6]>>1;
     m[7]=m[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************


  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,e[0]);
     lc.setRow(0,1,e[1]);
     lc.setRow(0,2,e[2]);
     lc.setRow(0,3,e[3]);
     lc.setRow(0,4,e[4]);
     lc.setRow(0,5,e[5]);
     lc.setRow(0,6,e[6]);
     lc.setRow(0,7,e[7]);
     e[0]=e[0]>>1;
     e[1]=e[1]>>1;
     e[2]=e[2]>>1;
     e[3]=e[3]>>1;
     e[4]=e[4]>>1;
     e[5]=e[5]>>1;
     e[6]=e[6]>>1;
     e[7]=e[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  //******************************************

  //ending_music1();
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,o[0]);
     lc.setRow(0,1,o[1]);
     lc.setRow(0,2,o[2]);
     lc.setRow(0,3,o[3]);
     lc.setRow(0,4,o[4]);
     lc.setRow(0,5,o[5]);
     lc.setRow(0,6,o[6]);
     lc.setRow(0,7,o[7]);
     o[0]=o[0]>>1;
     o[1]=o[1]>>1;
     o[2]=o[2]>>1;
     o[3]=o[3]>>1;
     o[4]=o[4]>>1;
     o[5]=o[5]>>1;
     o[6]=o[6]>>1;
     o[7]=o[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************

  //ending_music2();
  for(int i=0;i<4;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,v[0]);
     lc.setRow(0,1,v[1]);
     lc.setRow(0,2,v[2]);
     lc.setRow(0,3,v[3]);
     lc.setRow(0,4,v[4]);
     lc.setRow(0,5,v[5]);
     lc.setRow(0,6,v[6]);
     lc.setRow(0,7,v[7]);
     v[0]=v[0]>>1;
     v[1]=v[1]>>1;
     v[2]=v[2]>>1;
     v[3]=v[3]>>1;
     v[4]=v[4]>>1;
     v[5]=v[5]>>1;
     v[6]=v[6]>>1;
     v[7]=v[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  
  //******************************************
   e[0]=e[0]<<5;
   e[1]=e[1]<<5;
   e[2]=e[2]<<5;
   e[3]=e[3]<<5;
   e[4]=e[4]<<5;
   e[5]=e[5]<<5;
   e[6]=e[6]<<5;
   e[7]=e[7]<<5;
 
  //ending_music1();
  for(int i=0;i<5;i++)
  {
     delay(game_show_speed);
     lc.setRow(0,0,e[0]);
     lc.setRow(0,1,e[1]);
     lc.setRow(0,2,e[2]);
     lc.setRow(0,3,e[3]);
     lc.setRow(0,4,e[4]);
     lc.setRow(0,5,e[5]);
     lc.setRow(0,6,e[6]);
     lc.setRow(0,7,e[7]);
     e[0]=e[0]>>1;
     e[1]=e[1]>>1;
     e[2]=e[2]>>1;
     e[3]=e[3]>>1;
     e[4]=e[4]>>1;
     e[5]=e[5]>>1;
     e[6]=e[6]>>1;
     e[7]=e[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************

  ending_music2();
  for(int i=0;i<4;i++)
  {
     //delay(game_show_speed);
     lc.setRow(0,0,r[0]);
     lc.setRow(0,1,r[1]);
     lc.setRow(0,2,r[2]);
     lc.setRow(0,3,r[3]);
     lc.setRow(0,4,r[4]);
     lc.setRow(0,5,r[5]);
     lc.setRow(0,6,r[6]);
     lc.setRow(0,7,r[7]);
     r[0]=r[0]>>1;
     r[1]=r[1]>>1;
     r[2]=r[2]>>1;
     r[3]=r[3]>>1;
     r[4]=r[4]>>1;
     r[5]=r[5]>>1;
     r[6]=r[6]>>1;
     r[7]=r[7]>>1;
     delay(game_show_speed); 
     lc.clearDisplay(0);
     delay(game_show_speed);
  }
  ////******************************************
  }
   
   void win_display()
 {
   int i=3;
  while(i--)
  {
  win_music();
  lc.setRow(0,0,B11100111);
  lc.setRow(0,1,B11100111);
  lc.setRow(0,2,B11100111);
  lc.setRow(0,5,B01111110);
  lc.setRow(0,6,B00111100);
  lc.setRow(0,7,B00011000);
  win_light_effect();
  lc.setRow(0,0,B00000000);
  lc.setRow(0,1,B00000000);
  lc.setRow(0,2,B00000000);
  lc.setRow(0,5,B00000000);
  lc.setRow(0,6,B00000000);
  lc.setRow(0,7,B00000000);
  win_light_effect();
  lc.setRow(0,1,B01000010);
  lc.setRow(0,2,B10100101);
  lc.setRow(0,5,B01000010);
  lc.setRow(0,6,B00100100);
  lc.setRow(0,7,B00011000);
  win_music();
  lc.setRow(0,0,B00000000);
  lc.setRow(0,1,B00000000);
  lc.setRow(0,2,B00000000);
  lc.setRow(0,5,B00000000);
  lc.setRow(0,6,B00000000);
  lc.setRow(0,7,B00000000);
  }
 }

code/receive_beans_G/interface_display.ino

//Opening animation settings
void start_interface()
{
   enlarge_reduce_display();
   start_music();
   heart_display();
  }

//Ending animation settings of game over
void end_interface()
{  
  enlarge_reduce_display();
  game_over_display();
 }

//the game begin offically
void game_init()
{
 while(0==open_flag)
 {
  open_flag=1;
  start_interface();
  hp3_light_effect();
  break;
 }

 lc.setRow(0,7,car[0]);
 lc.setRow(0,6,car[1]);//car init
  
}

code/receive_beans_G/light_effect.ino

void RGB_init()
{
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
  digitalWrite(RED, HIGH);
  digitalWrite(GREEN, LOW);
  digitalWrite(BLUE, LOW);
}


void hp3_light_effect()
{
 analogWrite(RED, 0);
 analogWrite(BLUE, 0);
 analogWrite(GREEN,5);
}

void hp1_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,5);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,5);
}


void hp2_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }
  analogWrite(RED, 5);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
}

void end_light_effect()
{
  uint8_t i=3;
  while(i--)
  {
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 4);
  analogWrite(BLUE, 4);
  analogWrite(GREEN,4);
  delay(100);
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }  
  }

void close_light_effect()
{
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  }

void win_light_effect()
{
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  analogWrite(RED, 6);
  analogWrite(BLUE, 2);
  analogWrite(GREEN,1);
  delay(100); 
  analogWrite(RED, 0);
  analogWrite(BLUE, 0);
  analogWrite(GREEN,0);
  delay(100);
  }

code/receive_beans_G/pitches.h

/*************************************************
 * Public Constants
 *************************************************/
 
#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978

code/receive_beans_G/random_beans.ino

//to produce random beans
void random_init()
{randomSeed(analogRead(0));} //random init


void beans_init()
{bean_y = random(7);            
 bean_x=0;}

void pro_random_beans()//produce ramdon beans
{ 
   beans_init();
  for(bean_x=0;bean_x<=7;)
  { 
    update_Ac();
    Control_right();
    Control_left();
    beans_falling();
    game_init();
    } 
}

void beans_falling()
{ 
  lc.setLed(0,bean_x,7-bean_y,true);
  lc.setRow(0,7,car[0]);
  lc.setRow(0,6,car[1]);
  delay(bean_flick_speed);
  lc.setLed(0,bean_x,7-bean_y,false);
//  lc.setRow(0,7,car[0]);
//  lc.setRow(0,6,car[1]);
  delay(bean_flick_speed);
  delay(bean_flick_speed);
  bean_x++;
}

code/receive_beans_G/receive_beans_G.h

#ifndef RECEIVE_BEANS_G_H
#define RECEIVE_BEANS_G_H
#include "LedControl.h"
#include "pitches.h"
#include  "Wire.h"

/************************************************Pin***********************************************************/

/*RGB pin*/
const uint8_t BLUE=5;
const uint8_t GREEN=9;
const uint8_t RED=6;

/*led pin              din clk   cs*/
LedControl lc=LedControl(13,7,8,1);

/*MPU*/
const int16_t MPU_addr=0x68;  // I2C address
int16_t AcX,AcY,AcZ;

/*buzzer pin*/
const uint8_t BUZZER=3;

/************************************variable definition**************************************************************************/

//buzzer melody definition
int16_t melody[] = {
NOTE_C5, NOTE_D5, NOTE_E5, NOTE_F5, NOTE_G5, NOTE_A5, NOTE_B5, NOTE_C6};
int16_t duration = 500;  // 500 miliseconds

//the car used to receive beans
uint8_t car[2]={B00000111,B00000101};

//the position where the bean  fall,which corresponding to the 8 points on th X axis of the screen
uint8_t bean[7] = {B00000001,B00000010,B00000100,B00001000,B00010000,B00100000,B01000000};

//it is the position where the car can pick up the beans ,when the beans fall to the last grid.
uint8_t x[]={B00000011,B00000111,B00001110,B00011100,B00111000,B01110000,B11100000,B11000000};

uint8_t hp_cnt=0;       //Used to store the remaining blood volume.

uint8_t bean_x = 0;     //Storage location: At which point16_t the bean falls on the x-axis
uint8_t bean_y = 0;     //Storage location: At which point16_t the bean falls on the y-axis

uint8_t open_flag=0;    //the sign of opening animation
enum{x1,x2,x3,x4,x5,x6,x7,x8};//the same as the bean_y,but it used in "switch" sentence.

/********************************************function******************************************************************/

/*direction_control*/
void MPU_init();
void update_Ac();
void Control_right();
void Control_left();

/*display_resource*/
void max7219_init();
void enlarge_reduce_display();
void heart_display();
void game_over_display();
void win_display();

/*interface_resource*/
void start_interface();
void end_interface();
void game_init();

/*light effect*/
void RGB_init();
void hp3_light_effect();
void hp1_light_effect();
void hp2_light_effect();
void end_light_effect();
void close_light_effect();
void win_light_effect();

/*random_beans*/
void random_init();
void beans_init();
void pro_random_beans();
void beans_falling();

/*regular_judge*/
void case_run();
void case_ending_judge();
void hp_cnt0();
void hp_cnt1();
void hp_cnt2();

/*voice_resource*/
void ending_music1();
void ending_music2();
void start_music();
void success_receive_voice();
void fail_receive_voice();
void mid_click_voice();
void win_music();

#endif

code/receive_beans_G/receive_beans_G.ino

#include "receive_beans_G.h"
#include "LedControl.h"
#include "pitches.h"
#include  "Wire.h"

/***********************************************************************************************************************
 *                                          Receive Beans                                                                      *
 *                            Copyright (c)     Elegoo     //www.elegoo.com                                                                             
 *                            Author:           wee                                                               *                                                                                 *
 *                            Version number :  1.00                                                                                       *
 *                            Date :            2019.6.18                                                                                   *
 ***********************************************************************************************************************/

/*tips:You can change the speed to find the game difficulty that suits you 
 * and the animation playing experience that you like.
 */

int16_t bean_flick_speed=100;
int16_t er_show_speed=100;   //enlarge_reduce_display speed
int16_t heart_show_speed=100;   
int16_t game_show_speed=60;
int16_t music_speed=100;
int16_t car_display_speed=50;

uint8_t BRIGHT=2;              //you can change the Intensity of max7219
const uint8_t BEANS_GOAL=10;   //you can change the value to change the winning condition
uint8_t beans_received_num=0;
/*****************************************************************************************************************************/

void setup() 
{
  MPU_init();

  random_init();

  max7219_init(BRIGHT);
  
  RGB_init();
}

void loop() 
{
  game_init();
  
  pro_random_beans();
  
  case_ending_judge();
}

code/receive_beans_G/reguler_judge.ino

void case_run()
{
  fail_receive_voice();

  switch(hp_cnt)
  {
    case 0: hp_cnt0(); break;
    case 1: hp_cnt1(); break;
    case 2: hp_cnt2(); break;
  }
  
    hp_cnt++;
}

void case_ending_judge()
{
   if(bean_x>7)//When the beans fall to the last grid
  {
    switch(bean_y)//Determine which column is the last grid
    {
      case x1:if(car[0]!=x[bean_y]) {case_run();}
                else {success_receive_voice();
                      beans_received_num++; } break;
                
      case x2:if(car[0]!=x[bean_y]) {case_run();}
                 else {success_receive_voice();
                       beans_received_num++;} break;
              
      case x3:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;} break;
             
      case x4:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;} break;
              
      case x5:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;}break;
              
      case x6:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;}break;
              
      case x7:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;}break;

      case x8:if(car[0]!=x[bean_y]) {case_run();} 
                 else {success_receive_voice();
                       beans_received_num++;}break;
      }
    }
  
  }

void hp_cnt0()
{hp1_light_effect();}

void hp_cnt1()
{hp2_light_effect();}

void hp_cnt2()
{
  if(beans_received_num>=BEANS_GOAL)
  {
    win_display();
    beans_received_num=0;
  }
  else
  {
     end_light_effect();
     end_interface();
     beans_received_num=0;
  }
 
  while(1)
    {update_Ac();
   if(AcZ<4000)
     break;}
     
  mid_click_voice();
  hp_cnt=0;
  hp3_light_effect();
  hp_cnt--;
}

code/receive_beans_G/voice_resource.ino

void ending_music1()
{
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  }

void ending_music2()
{
  tone(BUZZER, melody[5], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  }

void start_music()
{
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[5], duration);
  delay(music_speed);
  tone(BUZZER, melody[3], duration);
  delay(music_speed);
  tone(BUZZER, melody[2], duration);
  delay(music_speed);
  tone(BUZZER, melody[1], duration);
  delay(music_speed);
   }

   
void success_receive_voice()
{
  tone(BUZZER, NOTE_F5, duration);
  }

  void fail_receive_voice()
{
  tone(BUZZER, NOTE_GS2, duration);
  }

void mid_click_voice()
{
  tone(BUZZER, melody[4], duration);
  }

  void win_music()
{
  int melody[] = {
  NOTE_C5, NOTE_D5, NOTE_E5, NOTE_F5, NOTE_G5, NOTE_A5, NOTE_B5, NOTE_C6};
  int thisNote;
  for (thisNote = BUZZER; thisNote >=0; thisNote--) 
   {
    tone(BUZZER, melody[thisNote], 100);
    delay(100);
    }
}

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