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

//U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
U8G2_SH1107_128X64_F_HW_I2C u8g2(U8G2_R3, /* reset=*/ 8);
//U8G2_SH1107_64X128_F_4W_HW_SPI u8g2(U8G2_R3, /* cs=*/7, /* dc=*/ 9, /* reset=*/ 8);

const float BETA = 3950; 
int temp = 25;
floar celsius;

#define readpin    25
#define UP_KEY     13//gpio13
#define DOWN_KEY   14//gpio12
#define ENTER_KEY  15//gpio14

#define keyup      digitalRead(UP_KEY)
#define keyenter   digitalRead(ENTER_KEY) 
#define keydown    digitalRead(DOWN_KEY)

uint8_t func_index= 0x00;


typedef  struct
{
  uint8_t current;
  uint8_t up;         //向上翻索引号
  uint8_t down;       //向下翻索引号
  uint8_t enter;      //确认索引号
  void(*current_operation)();
}key_table;

void (*current_operation_index)();
void fun_first();
void fun_Second();
void fun_Second_1();

void fun_Second_cursor_1();
void fun_Second_cursor_2();
void fun_Second_cursor_3();
void fun_Second_cursor_4();

void fun_Second_1_cursor_1();
void fun_Second_1_cursor_2();
void fun_Second_1_cursor_3();
void fun_Second_1_cursor_4();
void fun_Second_1_cursor_5();
void fun_Second_1_cursor_6();


key_table table[30] = 
{
  {0, 0, 0, 1, (*fun_first)},

  {1, 4, 2, 0, (*fun_Second_cursor_1)},
  {2, 1, 3, 5, (*fun_Second_cursor_2)},
  {3, 2, 4, 5, (*fun_Second_cursor_3)},
  {4, 3, 1, 5, (*fun_Second_cursor_4)},

  {5, 10, 6, 5, (*fun_Second_1_cursor_1)},
  {6, 5, 7, 5, (*fun_Second_1_cursor_2)},
  {7, 6, 8, 5, (*fun_Second_1_cursor_3)},
  {8, 7, 9, 5, (*fun_Second_1_cursor_4)},
  {9, 8, 10, 5, (*fun_Second_1_cursor_5)},
  {10, 9, 5, 1, (*fun_Second_1_cursor_6)},
};

void U8G2_SHOW(void *pt)
{
  u8g2.begin();
  u8g2.enableUTF8Print();
  pinMode(UP_KEY, INPUT_PULLUP);
  pinMode(ENTER_KEY, INPUT_PULLUP);
  pinMode(DOWN_KEY, INPUT_PULLUP);
  while(1)
  {
    if ((keyup== LOW ) || (keydown == LOW ) || (keyenter == LOW ))
    {
      delay(10);  //消抖
      if (keyuo == LOW)
      {
        fun_index = table[func_index].up; //向上翻
        while (keyup==LOW);
      }
      if (keydown == LOW)
      {
        fun_index = table[func_index].down;
        while (keydown == LOW);
      }
      if (keyenter == LOW)
      {
        fun_index = table[func_index].enter;
        while (keyenter == LOW);
      }
    }
    current_operation_index = table[func_index].current_operation;
    (*curent_operation_index)();

    vTaskDelay(10);
  }
}

void setup(void)
{
    xTaskCreatePinnedToCore(U8G2_SHOW,"show",1024*100,NULL,1,NULL,1);
    //xTaskCreatePinnedToCore(temp_rec,"show",1024*100,NULL,1,NULL,1);
}

void setup() { //loopBack , Priority 1, Core 1
Serial.begin(9600);
u8g2.begin();
ledcSetup(0, 5000, 8);
ledcAttachPin(12, 0);
}

void loop(void)
{

}
void fun_first() 
{
  int analogValue = analogRead(readin);
   celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  u8g2.clearBuffer();					// clear the internal memory
  u8g2.setFont(u8g2_font_wqy14_t_gb2312a);	// choose a suitable font
  u8g2.setCursor(20, 16 * 2 - 2);
  u8g2.print("当前温度：");
  u8g2.setCursor(80, 16 * 2 - 2);
  u8g2.print(celsius);
  u8g2.setCursor(20, 16 * 4 - 2);
  u8g2.print("设定温度：");
  u8g2.setCursor(80, 16 * 4 - 2);
  u8g2.print(temp);
  u8g2.sendBuffer();					// transfer internal memory to the display
}

void fun_Second_cursor_1()
{
  u8g2.clearBuffer();
  fun_Second();
  u8g2.setFont(u8g2_font_open_iconic_all_1x_t);
  u8g2.drawGlyph(5, 20* (1 % 4 == 0 ? 4 : 1 % 4) - 4, 118);
  u8g2.sendBuffer();
}