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 1  
 2 //EEPROM数据保存----------------------
 3 #include <EEPROM.h>
 4 #define EEPROM_write(address, p) {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) EEPROM.write(address+i, pp[i]);}
 5 #define EEPROM_read(address, p)  {int i = 0; byte *pp = (byte*)&(p);for(; i < sizeof(p); i++) pp[i]=EEPROM.read(address+i);}
 6 // EEPROM_write(0, value);
 7 // EEPROM_read(0,getValue);
 8 unsigned long incomingByte = 0;// 定义无符号长整数型变量incomingByte初始值为0
 9 //--------------------------------------
10 
11 
12 //AD ---------------------------------
13 int keyboardPin = A1;    //模拟口0
14 int keyboardValue = 0;   // 取得键AD模拟分量
15 //--------------------------------------
16 
17  void setup() {
18    //通信波特率
19    Serial.begin(9600); 
20  }
21 
22 
23  void loop() {
24 
25    keyboardValue = analogRead(keyboardPin); // 读出端口AD模拟分量
26    Serial.println(keyboardValue);      // 串口打印
27    
28    //
29    if ((keyboardValue >50) && (keyboardValue <200))  {incomingByte = incomingByte+1;}
30    //
31    if ((keyboardValue >400) && (keyboardValue < 800)){incomingByte = incomingByte-1;}  
32    
33    EEPROM_write(0,incomingByte)   //把incomingByte变量从0地址位开始写入EEPROM
34    
35    EEPROM_read(0,incomingByte)    //把incomingByte变量从0地址位开始读出EEPROM
36    Serial.println(incomingByte);
37    Serial.println("//--------------------------------");
38    
39    delay(1000);                  
40 
41  }
42  
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posted on 2015-10-30 15:05  流沙-  阅读(270)  评论(0编辑  收藏  举报