编译LED_I2C项目时大量报错

我在把LED_I2C导入到arduino后编译的时候，出现了大量报错，请问为什么会这样？
```
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino: In function 'void I2C_Init()':
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:32:26: note: in expansion of macro 'SDA'
   32 | #define SDA_OUT  pinMode(SDA, OUTPUT) //SDA
      |                          ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:62:3: note: in expansion of macro 'SDA_OUT'
   62 |   SDA_OUT;
      |   ^~~~~~~
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:30:26: note: in expansion of macro 'SCL'
   30 | #define SCL_OUT  pinMode(SCL, OUTPUT) //SCL
      |                          ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:63:3: note: in expansion of macro 'SCL_OUT'
   63 |   SCL_OUT;
      |   ^~~~~~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino: In function 'void I2C_Start()':
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:23:32: note: in expansion of macro 'SCL'
   23 | #define I2C_SCL_H digitalWrite(SCL,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:71:3: note: in expansion of macro 'I2C_SCL_H'
   71 |   I2C_SCL_H;
      |   ^~~~~~~~~
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:26:32: note: in expansion of macro 'SDA'
   26 | #define I2C_SDA_H digitalWrite(SDA,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:72:3: note: in expansion of macro 'I2C_SDA_H'
   72 |   I2C_SDA_H;
      |   ^~~~~~~~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino: In function 'void I2C_Stop()':
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:23:32: note: in expansion of macro 'SCL'
   23 | #define I2C_SCL_H digitalWrite(SCL,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:80:3: note: in expansion of macro 'I2C_SCL_H'
   80 |   I2C_SCL_H;
      |   ^~~~~~~~~
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:25:32: note: in expansion of macro 'SDA'
   25 | #define I2C_SDA_L digitalWrite(SDA,LOW)//SDA
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:81:3: note: in expansion of macro 'I2C_SDA_L'
   81 |   I2C_SDA_L;
      |   ^~~~~~~~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino: In function 'void I2C_Wait_Ack()':
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:26:32: note: in expansion of macro 'SDA'
   26 | #define I2C_SDA_H digitalWrite(SDA,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:88:5: note: in expansion of macro 'I2C_SDA_H'
   88 |     I2C_SDA_H;
      |     ^~~~~~~~~
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:23:32: note: in expansion of macro 'SCL'
   23 | #define I2C_SCL_H digitalWrite(SCL,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:89:5: note: in expansion of macro 'I2C_SCL_H'
   89 |     I2C_SCL_H;
      |     ^~~~~~~~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino: In function 'void Write_I2C_Byte(unsigned char)':
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:22:32: note: in expansion of macro 'SCL'
   22 | #define I2C_SCL_L digitalWrite(SCL,LOW)//SCL
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:100:5: note: in expansion of macro 'I2C_SCL_L'
  100 |     I2C_SCL_L;
      |     ^~~~~~~~~
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:26:32: note: in expansion of macro 'SDA'
   26 | #define I2C_SDA_H digitalWrite(SDA,HIGH)
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:103:7: note: in expansion of macro 'I2C_SDA_H'
  103 |       I2C_SDA_H;
      |       ^~~~~~~~~
OLED:19:13: error: 'D1' was not declared in this scope; did you mean 'y1'?
   19 | #define SDA D1
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:25:32: note: in expansion of macro 'SDA'
   25 | #define I2C_SDA_L digitalWrite(SDA,LOW)//SDA
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:107:7: note: in expansion of macro 'I2C_SDA_L'
  107 |       I2C_SDA_L;
      |       ^~~~~~~~~
OLED:18:13: error: 'D2' was not declared in this scope
   18 | #define SCL D2
      |             ^~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:22:32: note: in expansion of macro 'SCL'
   22 | #define I2C_SCL_L digitalWrite(SCL,LOW)//SCL
      |                                ^~~
C:\Users\flzs6\Documents\Arduino\OLED\OLED.ino:112:4: note: in expansion of macro 'I2C_SCL_L'
  112 |    I2C_SCL_L;
      |    ^~~~~~~~~
exit status 1
'D1' was not declared in this scope; did you mean 'y1'?

```

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