ds1302 顯示問題

cools0607

我從http://www.henningkarlsen.com/electronics/library.php?id=5  下載library
用範例內建DS1302_Serial_Easy做做看
發現Serial Monitor 秒數怪怪的
似乎每隔好幾秒才會更新一次

1. 
   
2. // DS1302_Serial_Easy (C)2010 Henning Karlsen
   
3. // web: http://www.henningkarlsen.com/electronics
   
4. //
   
5. // A quick demo of how to use my DS1302-library to
   
6. // quickly send time and date information over a serial link
   
7. //
   
8. // I assume you know how to connect the DS1302.
   
9. // DS1302:  CE pin    -> Arduino Digital 2
   
10. //          I/O pin   -> Arduino Digital 3
    
11. //          SCLK pin  -> Arduino Digital 4
    
12. 
    
13. #include <DS1302.h>
    
14. 
    
15. // Init the DS1302
    
16. DS1302 rtc(2, 3, 4);
    
17. 
    
18. void setup()
    
19. {
    
20.   // Set the clock to run-mode, and disable the write protection
    
21.   rtc.halt(false);
    
22.   rtc.writeProtect(false);
    
23.   
    
24.   // Setup Serial connection
    
25.   Serial.begin(9600);
    
26. 
    
27.   // The following lines can be commented out to use the values already stored in the DS1302
    
28.   rtc.setDOW(FRIDAY);        // Set Day-of-Week to FRIDAY
    
29.   rtc.setTime(12, 0, 0);     // Set the time to 12:00:00 (24hr format)
    
30.   rtc.setDate(6, 8, 2010);   // Set the date to August 6th, 2010
    
31. }
    
32. 
    
33. void loop()
    
34. {
    
35.   // Send Day-of-Week
    
36.   Serial.print(rtc.getDOWStr());
    
37.   Serial.print(" ");
    
38.   
    
39.   // Send date
    
40.   Serial.print(rtc.getDateStr());
    
41.   Serial.print(" -- ");
    
42. 
    
43.   // Send time
    
44.   Serial.println(rtc.getTimeStr());
    
45.   
    
46.   // Wait one second before repeating :)
    
47.   delay (1000);
    
48. }
    

复制代码

Joyce

你的图和你的程序不符；

你的程序设置的时间是2010.8.6—12:0:0

但是COM口显示的却是2015.02.04—9:0:0

275891381

还有你把delay(1000),去掉看看多久更新一次