//esp32_c3_u8g2_2023_ssd1306_128*64

#include <AcaiaArduinoBLE.h>

AcaiaArduinoBLE scale;

#include <Arduino.h>
#include<U8g2lib.h>
#include<Wire.h>

U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE, /* clock=*/ 5, /* data=*/ 4);   // ESP32 Thing, HW I2C with pin remapping
//ch340,SCL D1(5) SDA D3(0)

//U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);//使用硬件ICC总线通信 
//cp2012,D1(5),D2(4)

/*
 U8G2_SH1106_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, 10, 9, 8);//使用硬件SPI总线通信
*/

#if defined(ESP8266)|| defined(ESP32) || defined(AVR)
#include <EEPROM.h>
#endif

//ch340_u8g2_2023_ssd1306_128*64

//dose
float dose1 = 0;
float dose1_set = 0; 
int dose1_addr = 5;

//cup
float cup = 0;
float cup_set = 0;
int cup_addr = 20;

//offset
#define MAX_OFFSET 1  // In case an error in grinding occured
float offset = 0;
float offset_set = 0;
int offset_addr = 30;

#define relayOutput  2
#define led          7
#define buzzer       6


//time
float starttime = 0;
float endtime = 0;

float resulttime = 0;
float resulttime_a = 0;

//weight
float currentWeight = 0;

//BLE peripheral device
BLEService weightService("00002a98-0000-1000-8000-00805f9b34fb"); // create service
BLEByteCharacteristic goalCharacteristic("0x2A97",  BLEWrite | BLERead);
BLEByteCharacteristic offsetCharacteristic("0x2A98",  BLEWrite | BLERead);
BLEByteCharacteristic cupCharacteristic("0x2A99",  BLEWrite | BLERead);




void setup() {

// put your setup code here, to run once:
    Serial.begin(115200);
          
    pinMode(relayOutput, OUTPUT); 
    digitalWrite(relayOutput, LOW);

    pinMode(led, OUTPUT); 
    digitalWrite(led, LOW);

    pinMode(buzzer, OUTPUT); 
    digitalWrite(buzzer, HIGH);
            
    
    EEPROM.begin(512); // uncomment this if you use ESP8266/ESP32 and want to fetch the  value from eeprom
  
  // Get stored setpoint

    dose1 = EEPROM.get(dose1_addr,dose1);
    dose1_set = EEPROM.get(dose1_addr,dose1); 
       
    offset = EEPROM.get(offset_addr,offset); 
    offset_set = EEPROM.get(offset_addr,offset); 
    
    cup = EEPROM.get(cup_addr,cup);
    cup_set = EEPROM.get(cup_addr,cup);         
    

  u8g2.begin(/*select_pin */3, /* next_pin */ 18, /*prev_pin */ 19, U8X8_PIN_NONE, U8X8_PIN_NONE, /*home_pin*/ 2);   

  u8g2.enableUTF8Print();   //启用 UTF8打印
  u8g2.setFontDirection(0);

     digitalWrite(buzzer, LOW); 
     delay(60);
     
     digitalWrite(buzzer, HIGH);   


  // initialize the BLE hardware
  BLE.begin();
  BLE.setDeviceName("KafaTek");  
  BLE.setLocalName("MF_GBW_H");
  BLE.setAdvertisedService(weightService);
  weightService.addCharacteristic(goalCharacteristic);
  weightService.addCharacteristic(offsetCharacteristic);
  weightService.addCharacteristic(cupCharacteristic);
  
  
  BLE.addService(weightService);
  goalCharacteristic.writeValue(dose1);
  offsetCharacteristic.writeValue(offset);  
  cupCharacteristic.writeValue(cup);



  
  
  BLE.advertise();
  Serial.println("Bluetooth® device active, waiting for connections...");

    u8g2.firstPage();
  do{
    u8g2.setDrawColor(1); 
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(0,10);
    u8g2.print("ACAIA LUNAR SCALE    ");
    u8g2.setCursor(0,20);
    u8g2.print("FOR ESP GRINDER      ");
    u8g2.setCursor(0,30);    
    u8g2.print("5V_RELAY_HIGH IO02   ");         
    
    }while (u8g2.nextPage());
    delay(1000);
  } 
    

  const char *string_menu_list =   //setup the selection list
  "manual\n"  
  "auto\n"  
  "scale\n"
  "offset\n"  
  "cup set\n"
  "quick menu\n"
  "factory reset\n"
  "restart\n"
  "about";
//  "eeprom_clear";

 
  uint8_t current_selection1 = 1;   //set the default selectes
  int8_t button_event = 0;      //a variable to check the button event
  void check_button_event(){    // the fuction of check the button event
  if (button_event == 0)
    button_event = u8g2.getMenuEvent();
  //这个函数的功能是为了实现检测按钮事件，当按下HOME键时结束当前执行程序返回至菜单界面
 }
 


void loop() {
// put your main code here, to run repeatedly:
  
  //Blink LED while grinding

  if (digitalRead(relayOutput) == HIGH){
    digitalWrite(led,(millis()/400) % 2 == 0);  

    } else {
      digitalWrite(led,LOW);
    }
       
  if (button_event >0)
    button_event = 0;//按下HOME键后，button_event值会变为U8X8_PIN_NONE，此时会跳出当前程序，将值改为0
  
    switch ( current_selection1 ){  // to chose which display to show
    
     case 0:     
     menu_display();
     break;
     
     case 1:      
     manual();
     break;
     
     case 2:     
     auto_();
     break;
     
     case 3:     
     scale_();
     break;

     case 4:     
     offset_();
     break;
          
     case 5:     
     cupset();
     break;

     case 6:
     quick_menu();
     break;    
     
     case 7:
     factory_set();
     break;    

     case 8:
     restart();
     break;

     case 9:
     about(); 
     break;
/*
     case 10:
     eeprom_clear();
     break; */
   }


  
  // Check for setpoint updates
  BLE.poll();
  if (goalCharacteristic.written()) {
    dose1 = goalCharacteristic.value();
    EEPROM.put(dose1_addr, dose1);   
    EEPROM.commit();
  }

  if (offsetCharacteristic.written()) {
    offset = offsetCharacteristic.value();
    EEPROM.put(offset_addr, offset);   
    EEPROM.commit();
  }

  if (cupCharacteristic.written()) {
    cup = cupCharacteristic.value();
    EEPROM.put(cup_addr, cup);   
    EEPROM.commit();
  }
  

//
  if ((dose1 ==0)||(cup ==0)){
    
    factory_set();
  }



  // Connect to scale
  while(!scale.isConnected()){
    
    digitalWrite(relayOutput, LOW);
    digitalWrite(led,LOW);    
    
    scale.init(); 
    scale.tare();    
/*
//显示未连接提示
    u8g2.firstPage();
  do{
    u8g2.setDrawColor(1); 
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(0,10);
    u8g2.print("failed to find lunar.");
           
    }while (u8g2.nextPage()); */

     
  }

  
  // Send a heartbeat message to the acaia periodically to maintain connection
  if (scale.heartbeatRequired()) {
    scale.heartbeat();
  }


  // Reset local weight value in case disconnected. 
  if(!scale.isConnected()){
    currentWeight = 0;
  }


  // always call newWeightAvailable to actually receive the datapoint from the scale,
  // otherwise getWeight() will return stale data
  if(scale.newWeightAvailable()){
    currentWeight = scale.getWeight();
//    Serial.println(currentWeight);
  }


  //Detect error of dose
   
  if(starttime 
  && endtime
  && currentWeight >= (dose1 + offset)
  && millis() > (endtime + 3000) ){
    starttime = 0;
    endtime = 0;

    Serial.print("I detected a final weight of ");
    Serial.print(currentWeight);
    Serial.print("g. The goal was ");
    Serial.print(dose1);
    Serial.print("g with an offset of ");
    Serial.print(offset);
    if( abs(dose1 - currentWeight) > MAX_OFFSET ){
      Serial.print("g. Error assumed. Offset unchanged. ");
    }
    else{
      Serial.print("g. Next time I'll create an offset of ");
      offset += dose1 - currentWeight;
//      EEPROM.put(offset_addr,offset);
//      EEPROM.commit();       
      Serial.print(offset);
    }
  }    
}


void menu_display(){
 
//   u8g2.setFont(u8g2_font_7x14_tr);
   u8g2.setFont(u8g2_font_6x13_tf);   

   u8g2.setFontRefHeightAll();    /* this will add some extra space for the text inside the buttons */

  current_selection1 = u8g2.userInterfaceSelectionList(   //show the menu
    "GRINDER MENU",
    1,
    string_menu_list);  
   
}



void manual(){
//1
      float i = currentWeight;

      auto str = String(i,1);
      auto d1   = String(dose1,1);
      
      auto rt = String(resulttime,1);
    

//refreshTime

  if (digitalRead(relayOutput)==LOW){
    starttime=millis();
  }else
  if(digitalRead(relayOutput)==HIGH){
    endtime=millis();
    resulttime=(endtime-starttime)/1000;
  }
      
//待机显示
  
 if(digitalRead(relayOutput)==LOW){ 
  
  u8g2.firstPage();
  do{
    u8g2.setFontDirection(0);
    u8g2.drawBox(0,0,12,13);    
    u8g2.drawHLine(0,14,128);   
      
    u8g2.setFont(u8g2_font_7x14_tf);     
    u8g2.setDrawColor(0);    
    u8g2.setCursor(2,11);       
    u8g2.print("M");
  
    u8g2.setDrawColor(1);       
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(55,10);     
    u8g2.print(rt);   
    u8g2.setCursor(98,10);     
    u8g2.print(offset);   
  
    u8g2.setFont(u8g2_font_unifont_t_symbols);
    u8g2.drawGlyph(35,12,0x23f1);//显示计时图标 

    u8g2.setFont(u8g2_font_siji_t_6x10);
    u8g2.drawGlyph(83,9,0xe12f);//显示offset图标 

  if(scale.isConnected()){
    u8g2.setFont(u8g2_font_waffle_t_all);
    u8g2.drawGlyph(18,10,0xe00b);//显示bluetooth图标 
   
   }
    
    

if (i <cup){  
         
   if (i ==0){  
   
   if (dose1 == dose1_set){
    
    u8g2.setDrawColor(1);      

    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(0,40,0x2691);//显示旗子图标 
             
//    u8g2.setFont(u8g2_font_UnnamedDOSFontIV_tr);  
    u8g2.setFont(u8g2_font_commodore64_tr);  
    u8g2.setCursor(20,40);    
    u8g2.print(d1); 

    u8g2.setDrawColor(1);   

    u8g2.setFont(u8g2_font_waffle_t_all);

    u8g2.drawGlyph(0,64,0xe0f4);//显示home图标
    u8g2.drawGlyph(118,64,0xe0fa);//显示select图标


    check_button_event();
    if ((button_event == U8X8_MSG_GPIO_MENU_HOME)&&(i==0)) 
      current_selection1 = 6;
       if ((button_event == U8X8_MSG_GPIO_MENU_SELECT)&&(i==0))
         current_selection1 = 2;   

//底部提示图标圆点点

    u8g2.drawPixel(18,60);
    u8g2.drawPixel(36,60);
    u8g2.drawPixel(54,60);
    u8g2.drawPixel(72,60);
    u8g2.drawPixel(90,60);
    u8g2.drawPixel(108,60);
    
    u8g2.drawCircle(18,60,2);
          
  }  

  if (dose1 != dose1_set){
    
    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(0,40,0x2690);//显示旗子图标   

//    u8g2.setFont(u8g2_font_UnnamedDOSFontIV_tr);  
    u8g2.setFont(u8g2_font_commodore64_tr);  
    u8g2.setCursor(20,40);
    u8g2.print(d1);  
    
    u8g2.setFont(u8g2_font_twelvedings_t_all);
//    u8g2.drawGlyph(20,40,0x0073);//save icon
//    u8g2.drawGlyph(30,40,0x003c);//home icon
    u8g2.drawGlyph(70,40,0x004d);//显示上下键头图标   
        
    }                   
  }

   if(i!= 0){
        
    u8g2.setDrawColor(1);    
    u8g2.setFont(u8g2_font_freedoomr25_tn);//mn    
    u8g2.setCursor(26,50);
    u8g2.print(str);//g   
   }
   }

//放置接粉杯后提示操作图标

  if(i >= cup){    
    u8g2.setDrawColor(0);    
    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(45,50,0x26fe);//显示杯子图标
    
    u8g2.setDrawColor(1);    
    u8g2.setFont(u8g2_font_7x13_t_symbols);
    u8g2.drawGlyph(90, 50, 0x2192);//显示select图标  
    u8g2.drawGlyph(90, 64, 0x2193);//显示next图标  
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(100,50);     
    u8g2.print("start");  
    u8g2.setCursor(100,64);     
    u8g2.print("1'");      

    check_button_event();

//放置接粉杯，按"NEXT"键，不去皮，启动磨粉

  if(button_event == U8X8_MSG_GPIO_MENU_NEXT){  
    
     digitalWrite(relayOutput, HIGH); 
    }  

//放上接粉杯，按"Select"键，startgrinding
  if  (button_event == U8X8_MSG_GPIO_MENU_SELECT){
    
     scale.tare();              
     digitalWrite(relayOutput, HIGH);    
   } 
       
   }  
   
   }while (u8g2.nextPage());

    
 
//按键调节预设粉量
 check_button_event();

if ((button_event == U8X8_MSG_GPIO_MENU_PREV)&&(i == 0))
{
dose1 = dose1+0.5;                           //计数+

Serial.println(cup);                  //输出结果
}

if ((button_event == U8X8_MSG_GPIO_MENU_NEXT)&&(i == 0))
{
dose1 = dose1-0.5;                          //计数-

Serial.println(cup);                  //输出结果
}

//存储dose1预设值
    check_button_event();
   
   if((dose1 != dose1_set)&&(button_event == U8X8_MSG_GPIO_MENU_HOME)){
    
    
    EEPROM.put(dose1_addr,dose1);
    EEPROM.commit();

    dose1_set = EEPROM.get(dose1_addr,dose1); 
    
    digitalWrite(buzzer, LOW);         
    delay(60);
    digitalWrite(buzzer, HIGH);                     
    }
    
  }else

  
//磨豆机工作显示

  if(digitalRead(relayOutput)==HIGH) { 
    
  u8g2.setFontDirection(0);  
  u8g2.firstPage();
   do{  

    float barXd1 = 0;
    barXd1 = (i/dose1)*124;
    
    if (barXd1 > 124){
    barXd1 = 124;
      }   
       
    u8g2.drawFrame(0,32,128,16);      
    u8g2.drawBox(2,34,barXd1,12);
  
    u8g2.setFont(u8g2_font_unifont_t_symbols);
    u8g2.drawGlyph(0,20, 0x23f1);//显示计时图标         
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(20,18);  
    u8g2.print(rt);

    u8g2.setCursor(60,18);
    u8g2.print(str); 
    u8g2.setCursor(90,18);
    u8g2.print("/"); 
    u8g2.setCursor(100,18);
    u8g2.print(d1);    
    
    }while (u8g2.nextPage());


//按功能键"HOME"，停止磨粉
    check_button_event();
    if(button_event == U8X8_MSG_GPIO_MENU_HOME){       
      digitalWrite(relayOutput, LOW); 
     }     

     
//auto stopgrinding
  if ((i>= dose1 + offset)&&(resulttime >1)){
     digitalWrite(relayOutput, LOW);        
     digitalWrite(buzzer, LOW); 
     delay(60);    
     digitalWrite(buzzer, HIGH); 
     }     
    } 
    
//移除接粉杯,停止磨豆，去皮    
  if (i < 0){    
     digitalWrite(relayOutput,LOW);           
     scale.tare();
     delay(500);  
     digitalWrite(buzzer, LOW); 
     delay(60);    
     digitalWrite(buzzer, HIGH);                      
     }  
     
  } 
   

void auto_(){
//2

      float i = currentWeight;
      auto str = String(i,1);
      auto d2   = String(dose1,1);
      auto rt_a  = String(resulttime_a,1);
      
      float rate = i/resulttime_a;

//refreshTime

  if (digitalRead(relayOutput)== LOW){
    starttime=millis();
  }else
  if(digitalRead(relayOutput)== HIGH){
    endtime=millis();
    resulttime_a=(endtime-starttime)/1000;
  }
 
  
//待机显示
  
 if(digitalRead(relayOutput)==LOW){ 

  
  u8g2.firstPage();
  do{
    u8g2.setFontDirection(0);
    u8g2.drawBox(0,0,12,13);    
    u8g2.drawHLine(0,14,128);   
      
    u8g2.setFont(u8g2_font_7x14_tf);     
    u8g2.setDrawColor(0);    
    u8g2.setCursor(2,11);       
    u8g2.print("A");
  
    u8g2.setDrawColor(1);       
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(55,10);     
    u8g2.print(rt_a);   
    u8g2.setCursor(98,10);     
    u8g2.print(offset);   
  
    u8g2.setFont(u8g2_font_unifont_t_symbols);
    u8g2.drawGlyph(35,12,0x23f1);//显示计时图标 

    u8g2.setFont(u8g2_font_siji_t_6x10);
    u8g2.drawGlyph(83,9,0xe12f);//显示offset图标 
    
  if(scale.isConnected()){
    u8g2.setFont(u8g2_font_waffle_t_all);
    u8g2.drawGlyph(18,10,0xe00b);//显示bluetooth图标 
   
   }


   if((i> 0)&&(i<cup)){
        
    u8g2.setDrawColor(1);    
    u8g2.setFont(u8g2_font_freedoomr25_tn);//mn    
    u8g2.setCursor(26,50);
    u8g2.print(str);//g
       
   } 

   if(i >=cup){
    
    u8g2.setDrawColor(0);    
    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(58,45,0x26fe);//显示杯子图标
    
    u8g2.setDrawColor(1);    
       
    }
   
   if(i == 0){
   
    u8g2.setDrawColor(1);      

    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(0,40,0x2691);//显示旗子图标 
             
//    u8g2.setFont(u8g2_font_UnnamedDOSFontIV_tr);  
    u8g2.setFont(u8g2_font_commodore64_tr);  
    u8g2.setCursor(20,40);    
    u8g2.print(d2); 
/*    
   for(
     int b=110;
     b>=64;
     b--){

    u8g2.setDrawColor(0);    
    u8g2.setFont(u8g2_font_unifont_t_77);
    u8g2.drawGlyph(b,40,0x26fe);//显示杯子图标    
    if (b = 64) b=110;

   }   */
 

    u8g2.setDrawColor(1);   

    u8g2.setFont(u8g2_font_waffle_t_all);

    u8g2.drawGlyph(0,64,0xe0f4);//显示home图标
    u8g2.drawGlyph(118,64,0xe0fa);//显示select图标         

    check_button_event();
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)    
      current_selection1 = 1;
       if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
          current_selection1 = 3;      

//底部提示图标圆点点

    u8g2.drawPixel(18,60);
    u8g2.drawPixel(36,60);
    u8g2.drawPixel(54,60);
    u8g2.drawPixel(72,60);
    u8g2.drawPixel(90,60);
    u8g2.drawPixel(108,60);
    
    u8g2.drawCircle(36,60,2);
    
  } 
     
  }while (u8g2.nextPage());

 }

//放置接粉杯后提示操作图标
//auto start grinding

 if((digitalRead(relayOutput)==LOW)&&(i >= cup)){ 
            
     scale.tare();
     delay(600);
     scale.tare();
     
     resulttime_a = 0;//解决自动磨豆时，lunar处置tare指令不及时，会出现bug，若无此代码，磨豆启动后会自动停止，且会反复启停

     digitalWrite(relayOutput, HIGH); 
     digitalWrite(buzzer, LOW); 
     delay(60);    
     digitalWrite(buzzer, HIGH);     

  }
 
  
//工作显示

  if(digitalRead(relayOutput)==HIGH) {
    
  u8g2.setFontDirection(0);  
  u8g2.firstPage();

   do{  

    float barXd2 = 0;
    barXd2 = (i/dose1)*124;
    if (barXd2 > 124){
      barXd2 = 124;
      }
    
    u8g2.drawFrame(0,32,128,16);      
    u8g2.drawBox(2,34,barXd2,12);
  
    u8g2.setFont(u8g2_font_unifont_t_symbols);
    u8g2.drawGlyph(0,20, 0x23f1);//显示计时图标         
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(20,18);  
    u8g2.print(rt_a);



    u8g2.setCursor(60,18);
    u8g2.print(str); 
    u8g2.setCursor(90,18);
    u8g2.print("/"); 
    u8g2.setCursor(100,18);
    u8g2.print(d2); 
    
   }while (u8g2.nextPage());

//按功能键"HOME"键,停止磨粉
    check_button_event();
    
    if(button_event == U8X8_MSG_GPIO_MENU_HOME){  
      
     digitalWrite(relayOutput, LOW); 
     digitalWrite(buzzer, LOW); 
     delay(60);
     
     digitalWrite(buzzer, HIGH);     
    }  
   
  

//stopgrinding
//3" 去皮延迟时差
  if ((i>= dose1 + offset)&&(resulttime_a >3)){
    
     digitalWrite(relayOutput, LOW);        

     digitalWrite(buzzer, LOW); 
     delay(60);
     
     digitalWrite(buzzer, HIGH); 

  } 
  }

//移除接粉杯,停止磨豆，去皮    
  if (i < 0){
    
     digitalWrite(relayOutput,LOW);  
         
     scale.tare();
     delay(500);  
     digitalWrite(buzzer, LOW); 
     delay(60);    
     digitalWrite(buzzer, HIGH); 
     resulttime_a = 0;//解决自动磨豆时，tare处置不及时的bug，无此代码，会发生磨豆启动后会自动停止，且会反复启停
                               
     }      
  } 


void scale_(){
//3  

      float i = currentWeight;
      auto str = String(i,1);
 
  u8g2.setFontDirection(0);
  u8g2.firstPage();
  do{
    u8g2.setDrawColor(1);   
    u8g2.drawHLine(0,14,128);     
    u8g2.drawBox(0, 0, 128, 13);
       
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setDrawColor(0);    
    u8g2.setCursor(50,10);
    u8g2.print("SCALE");
        
    u8g2.setFont(u8g2_font_freedoomr25_tn);//mn
    u8g2.setDrawColor(1);
    u8g2.setCursor(20,50);
    u8g2.print(i);

    u8g2.drawPixel(18,60);
    u8g2.drawPixel(36,60);
    u8g2.drawPixel(54,60);
    u8g2.drawPixel(72,60);
    u8g2.drawPixel(90,60);
    u8g2.drawPixel(108,60);
    
    u8g2.drawCircle(54,60,2);  

    check_button_event();
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)
      current_selection1 = 2;
      if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
            current_selection1 = 4;    
    
 
  }while (u8g2.nextPage());

 

//按"Next"键，自动去皮

  if (button_event == U8X8_MSG_GPIO_MENU_NEXT)
   {       
    scale.tare();     
   }  
 }  

 
void offset_(){    
//4

  u8g2.setFontDirection(0);
  u8g2.firstPage();
  do{
    u8g2.setDrawColor(1);   
    u8g2.drawHLine(0,14,128);     
    u8g2.drawBox(0, 0, 128, 13);
       
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setDrawColor(0);    
    u8g2.setCursor(50,10);
    u8g2.print("OFFSET");

    u8g2.setDrawColor(1);       
    u8g2.setFont(u8g2_font_9x18_tr);
    u8g2.setCursor(45,40);
    u8g2.print(offset);

if (offset != offset_set){
  
    u8g2.setDrawColor(1);       
    u8g2.setFont(u8g2_font_9x18_tr);
    u8g2.setCursor(95,40);
    u8g2.print("!S");     
  
  }

    u8g2.drawPixel(18,60);
    u8g2.drawPixel(36,60);
    u8g2.drawPixel(54,60);
    u8g2.drawPixel(72,60);
    u8g2.drawPixel(90,60);
    u8g2.drawPixel(108,60);
    
    u8g2.drawCircle(72,60,2);   

  }while (u8g2.nextPage());

 
//按键调节offset
//{}
  check_button_event();

if (button_event == U8X8_MSG_GPIO_MENU_PREV)
{
offset = offset+0.01;                           //计数+

Serial.println(offset);                  //输出结果
}

//{}
if (button_event == U8X8_MSG_GPIO_MENU_NEXT)
{
offset = offset-0.01;                          //计数-

Serial.println(offset);                  //输出结果
}



    if (offset == offset_set){
 
    check_button_event();
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)
      current_selection1 = 3;     
    }
    
//无条件 右键切换菜单
    if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
      current_selection1 = 5;   

//存储offset预设值


   
   if(offset != offset_set){

    check_button_event();
    
    if (button_event == U8X8_MSG_GPIO_MENU_HOME){
    
    
    EEPROM.put(offset_addr,offset);
    EEPROM.commit();

    offset_set = EEPROM.get(offset_addr,offset); 
    
    digitalWrite(buzzer, LOW);         
    delay(60);
    digitalWrite(buzzer, HIGH); 
   
    }                   
   }       
  }


//接粉杯重量设置
void cupset(){
//5
   
   float i = currentWeight;

  u8g2.setFontDirection(0);
  u8g2.firstPage();
  do{
    u8g2.setDrawColor(1);   
    u8g2.drawHLine(0,14,128);     
    u8g2.drawBox(0, 0, 128, 13);      
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setDrawColor(0);    
    u8g2.setCursor(45,10);
    u8g2.print("CUP_SET");
    
    u8g2.setFont(u8g2_font_9x15_tr);
    u8g2.setDrawColor(1);        
    u8g2.setCursor(0,35);
    u8g2.print("cur:");
    u8g2.setCursor(50,35);    
    u8g2.print(String(i));    
    u8g2.setCursor(50,53);
    u8g2.print(cup);

    u8g2.drawPixel(18,60);
    u8g2.drawPixel(36,60);
    u8g2.drawPixel(54,60);
    u8g2.drawPixel(72,60);
    u8g2.drawPixel(90,60);
    u8g2.drawPixel(108,60);
    
    u8g2.drawCircle(90,60,2);   

   if(cup != cup_set){
    u8g2.setCursor(105,53);
    u8g2.print("!S");
   
   }   

  }while (u8g2.nextPage());
    

//按键调节cup_set

   check_button_event();


if (button_event == U8X8_MSG_GPIO_MENU_PREV)
{
//delay(2);                                    //消抖
cup = cup+1;                           //计数+

Serial.println(cup);                  //输出结果
//delay(10);                              //延时，隔开两次按键时间
}

if (button_event == U8X8_MSG_GPIO_MENU_NEXT)
{
//delay(2);                                     //消抖
cup = cup-1;                          //计数-

Serial.println(cup);                  //输出结果
//delay(10);                              //延时，隔开两次按键时间
}

   if(cup == cup_set){
   check_button_event();
    
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)
      current_selection1= 4;  

   }

//
      if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
       current_selection1 = 6;  

//存储cup预设值
   
   if(cup != cup_set){
   check_button_event();
    
    if(button_event == U8X8_MSG_GPIO_MENU_HOME){
     
    EEPROM.put(cup_addr,cup);
    EEPROM.commit();

    cup_set = EEPROM.get(cup_addr,cup); 
    
    digitalWrite(buzzer, LOW);         
    delay(60);
    digitalWrite(buzzer, HIGH); 
    
    }             
   }
  }

void quick_menu(){
//6
    u8g2.firstPage();
  do{
    u8g2.setDrawColor(1); 
    u8g2.setFont(u8g2_font_streamline_interface_essential_cursor_t);
    u8g2.drawGlyph(52, 40, 0X0035);//显示图标    
    
    u8g2.setFont(u8g2_font_6x13_tf);   
         
    u8g2.setDrawColor(1);     
    u8g2.setCursor(50,10);
    u8g2.print("scale"); 
    u8g2.setCursor(50,60);    
    u8g2.print("auto");  
    u8g2.setCursor(0,35);
    u8g2.print("about");
    u8g2.setCursor(92,35);
    u8g2.print("manual");
               
    check_button_event();
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)
      current_selection1 = 9;
        if (button_event == U8X8_MSG_GPIO_MENU_PREV)
       current_selection1 = 3;
          if (button_event == U8X8_MSG_GPIO_MENU_NEXT)
        current_selection1 = 2;
             if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
         current_selection1 = 1;
      
  }while (u8g2.nextPage());
}


void factory_set(){
//7  
  float dose1 = 16; 
  float cup = 90;
  float offset = -0.38;
  
  EEPROM.begin(512);

  EEPROM.put(dose1_addr, dose1);//dose1
  EEPROM.put(cup_addr, cup);//cup
  EEPROM.put(offset_addr, offset);//offset
  EEPROM.commit();

  delay(2000);
  current_selection1 = 8;
}

void restart(){     
//8 
    close();
    ESP.restart();
}     


void close(){
  u8g2.clear();
  u8g2.drawBox(0, 63 / 2 - 3, 127, 6);
  u8g2.drawBox(127 / 2 - 3, 0, 6, 63);
  u8g2.sendBuffer();
  delay(50);
  u8g2.clear();
  u8g2.drawBox(0, 63 / 2 - 2, 127, 4);
  u8g2.drawBox(127 / 2 - 2, 0, 4, 63);
  u8g2.sendBuffer();
  delay(50);
  u8g2.clear();
  u8g2.drawBox(0, 63 / 2 - 1, 127, 2);
  u8g2.drawBox(127 / 2 - 1, 0, 2, 63);
  u8g2.sendBuffer();
  delay(50);
  u8g2.clear();
}


void about(){
//9
    u8g2.firstPage();
  do{
    u8g2.setDrawColor(1); 
    u8g2.setFont(u8g2_font_6x13_tf);   
    u8g2.setCursor(0,10);
    u8g2.print("ACAIA LUNAR SCALE    ");
    u8g2.setCursor(0,20);
    u8g2.print("FOR ESP GRINDER      ");
    u8g2.setCursor(0,30);    
    u8g2.print("5V_RELAY_HIGH IO02   ");
    u8g2.setCursor(0,40);   
    u8g2.print("ESP32_C3,Wald,042224 ");
    u8g2.setCursor(0,50);   
    u8g2.print("               ");

    u8g2.setCursor(0,60);   
    u8g2.print("auto                 ");
    u8g2.setCursor(92,60);   
    u8g2.print("manual               ");
    
      
    
    check_button_event();
    if (button_event == U8X8_MSG_GPIO_MENU_HOME)
         current_selection1 = 2;   
     if (button_event == U8X8_MSG_GPIO_MENU_SELECT)
          current_selection1 = 1;
       if (button_event == U8X8_MSG_GPIO_MENU_NEXT)
          current_selection1 = 0;
          
    
    }while (u8g2.nextPage());

}

//10
void eeprom_clear() {
  EEPROM.begin(512);
  // write a 0 to all 512 bytes of the EEPROM
  for (int i = 0; i < 512; i++) { EEPROM.write(i, 0); }

  // turn the relayOutput on when we're done
  pinMode(13, OUTPUT);
  digitalWrite(13, LOW);
  EEPROM.end();
  
  current_selection1 = 0;
  
}



/*
void refreshTime(){
  if (digitalRead(relayOutput)){
    starttime=millis();
  }else
  if(digitalRead(relayOutput)==HIGH){
    endtime=millis();
    resulttime=(endtime-starttime)/1000;
  
  }
}
*/


/*
u8g2.userInterfaceInputValue("标题","提示文本",值,最低值,最高值,值的位数,"文本")    //按键消息菜单
u8g2.userInterfaceMessage("Title1", "Title2", "Title3", " Ok \n Cancel ");    //按键确认菜单
u8g2.userInterfaceSelectionList("Title", 默认选择项, "Select1\Select2\Select3");    //按键选择菜单
*/  


/*
u8g2.userInterfaceInputValue("标题","提示文本",值,最低值,最高值,值的位数,"文本")    //按键消息菜单
u8g2.userInterfaceMessage("Title1", "Title2", "Title3", " Ok \n Cancel ");    //按键确认菜单
u8g2.userInterfaceSelectionList("Title", 默认选择项, "Select1\Select2\Select3");    //按键选择菜单
*/  


/*
const char *string_list = 
  "Altocumulus\n"
  "Altostratus\n"
  "Cirrocumulus\n"
  "Cirrostratus\n"
  "Cirrus\n"
  "Cumulonimbus\n"
  "Cumulus\n"
  "Nimbostratus\n"
  "Stratocumulus\n"
  "Stratus";

uint8_t current_selection = 0;

  current_selection = u8g2.userInterfaceSelectionList(
    "Cloud Types",
    current_selection, 
    string_list);
       
  if ( current_selection == 0 ) {
  u8g2.userInterfaceMessage(
  "Nothing selected.", 
  "",
  "",
  " ok ");
  }else {
    u8g2.userInterfaceMessage(
  "Selection:", 
  u8x8_GetStringLineStart(current_selection-1, string_list ),
  "",
  " ok \n cancel ");
  }
*/






//2024-04-22