LCD12864 翻页显示求助

wwwyyy317

arduino mega 2560+攀藤 G1（pm2.5传感器）+DHT22+LCD12864

目前可以通过LCD实现单页显示（仅显示中标的pm2.5以及DHT22的温湿度），由于G1可传感数据比较多（中标，美标以及颗粒物数），想通过两个按键来实现LCD上下翻页来实现所有数据的显示。求代码或相关例程！

感谢万分！！！

wwwyyy317

自己顶一个，别沉了！

jasonwang1208

像這樣嗎?還在測試中,做得不是很好.

wwwyyy317

能否看一下代码，学习学习！

wwwyyy317

jasonwang1208 发表于 2017-4-8 21:11
像這樣嗎?還在測試中,做得不是很好.

能否看一下代码，学习学习！

jasonwang1208

wwwyyy317 发表于 2017-4-10 13:45
能否看一下代码，学习学习！

我的代碼很亂沒整理.

1. 
   
2. ******************************************************************************/
   
3. 
   
4. #include <SD.h>
   
5. const int chipSelect = 4;
   
6. int w=0;
   
7. #include <Wire.h>
   
8. #include "RTClib.h"
   
9. RTC_DS1307 RTC;
   
10. String thisMonth = "";
    
11. String thisTime = "";
    
12. String thisDay="";
    
13. #include <dht.h>
    
14. #define dht_dpin 3
    
15. dht DHT;   
    
16. #include "U8glib.h"
    
17. #include <SPI.h>
    
18. U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);
    
19. #define DUSTpin A0
    
20. #define DUSTLEDpin 2
    
21. const int delayTime=280;
    
22. const int delayTime2=40;
    
23. const float offTime=9680;
    
24. double dustVal=0;
    
25. int count = 0;
    
26. int led = 5;
    
27. void setup(void) {
    
28.   pinMode(led, OUTPUT);  
    
29.   Wire.begin();
    
30.   RTC.begin();
    
31.   if (! RTC.isrunning()) {
    
32.     Serial.println("RTC is NOT running!");
    
33.     RTC.adjust(DateTime(__DATE__, __TIME__));
    
34.   }
    
35.   Serial.begin(9600);
    
36. Serial.print("Initializing SD card...");
    
37.   pinMode(10, OUTPUT);
    
38. if (!SD.begin(chipSelect)) {
    
39.    Serial.println("Card failed, or not present");
    
40.    return;
    
41. }
    
42. }
    
43. 
    
44. void loop(void) {
    
45.   
    
46.   u8g.firstPage();
    
47.   do {
    
48.      draw();
    
49.      delay(500);
    
50.     }
    
51. while( u8g.nextPage() );
    
52.   
    
53.   int dustLevel = readPM();
    
54.   double dustVolt = dustLevel*(5.0 / 1024.0);
    
55.   dustVal = 0.172 * dustVolt - 0.00;
    
56.   dustVal =dustVal*1000.0 ; //mg to ug
    
57.   u8g.drawStr(100,47,"0");
    
58. }
    
59. 
    
60. int readPM(void){
    
61. digitalWrite(DUSTLEDpin,LOW);
    
62. delayMicroseconds(delayTime);
    
63. int Val = analogRead(DUSTpin);
    
64. delayMicroseconds(delayTime2);
    
65. digitalWrite(DUSTLEDpin,HIGH);
    
66. delayMicroseconds(offTime);
    
67. return Val;
    
68. }
    
69. 
    
70. void draw(void) {
    
71. digitalWrite(led, LOW);
    
72. File dataFile = SD.open("datalog.txt", FILE_WRITE);
    
73. if (SD.exists("datalog.txt")){
    
74. Serial.println("datalog.txt exists.");
    
75. if (dataFile) {
    
76. u8g.setFontPosTop();  
    
77. u8g.setFont(u8g_font_profont15);
    
78. DateTime now = RTC.now();
    
79. thisMonth="";
    
80. thisDay= String(now.month(), DEC) + "/";
    
81. thisDay=thisDay + String(now.day(), DEC) + "/";
    
82. thisDay=thisDay + String(now.year() , DEC);
    
83. const char* newDay = (const char*) thisDay.c_str();
    
84. u8g.setPrintPos(1,14);
    
85. u8g.print(newDay);
    
86. thisTime="";
    
87. thisTime=String(now.hour()) + ":";
    
88. if (now.minute() < 10){ thisTime=thisTime + "0";}
    
89. thisTime=thisTime + String(now.minute()) + ":";
    
90. thisTime=thisTime + String(now.second());
    
91. const char* newTime = (const char*) thisTime.c_str();
    
92. u8g.setPrintPos(1,25);
    
93. u8g.print(newTime);
    
94. int chk = DHT.read11(dht_dpin);  
    
95. int humi = DHT.humidity+35;
    
96. String thishumi1 = String(humi);
    
97. const char* thishumi = (const char*) thishumi1.c_str();
    
98. u8g.setPrintPos(1,36);
    
99. u8g.print(thishumi);
    
100. u8g.setPrintPos(15,36);
     
101. u8g.print("%/");
     
102. int temp = DHT.temperature-2;  
     
103. String thisTemp1 = String(temp) ;
     
104. const char* thisTemp = (const char*) thisTemp1.c_str();
     
105. u8g.setPrintPos(30,36);
     
106. u8g.print(thisTemp);
     
107. u8g.setPrintPos(45,36);
     
108. u8g.print("\260C");
     
109. u8g.setPrintPos(0,47);
     
110. u8g.print(dustVal);
     
111. u8g.setPrintPos(50,47);
     
112. u8g.print("ug/m3");
     
113.   if (now.second()==59){
     
114.     digitalWrite(led, HIGH);
     
115.     dataFile.print(newDay);
     
116.     dataFile.print(",");
     
117.     dataFile.print(newTime);
     
118.     dataFile.print(",");
     
119.     dataFile.print(thishumi);
     
120.     dataFile.print(",");
     
121.     dataFile.print(thisTemp);
     
122.     dataFile.print(",");
     
123.     dataFile.print(dustVal);
     
124.     dataFile.println(",");
     
125.     delay(500);
     
126.     digitalWrite(led, LOW);
     
127.   }
     
128.        
     
129.     dataFile.close();
     
130.    
     
131.   } else {
     
132.         digitalWrite(led, HIGH);   
     
133.     Serial.println("error opening datalog.txt");
     
134.   }
     
135.   
     
136. }else {
     
137.     Serial.println("datalog.txt doesn't exist.");
     
138.   digitalWrite(led, HIGH);  
     
139.   }
     
140.   
     
141. }
     
142. 
     
143. 
     
144. 
     

复制代码

wwwyyy317

jasonwang1208 发表于 2017-4-10 14:07
我的代碼很亂沒整理.

谢了！  你的pm2.5传感器是哪一款？

jasonwang1208

wwwyyy317 发表于 2017-4-10 15:41
谢了！  你的pm2.5传感器是哪一款？

GP2Y1010AU0F