Wednesday, January 9, 2013

How to clear IEEE154_FCF_ACK_REQ to remove the ACK requirement

../cc2420/csma/CC2420CsmaP.nc :

Change line143:     header->fcf &= ( (1 << IEEE154_FCF_ACK_REQ) |

to     header->fcf &= ( (0 << IEEE154_FCF_ACK_REQ) |

Change line 151:    metadata->ack = FALSE;
to      metadata->ack = TRUE;
Posted by Donny at 4:45 PM 0 comments
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Sunday, January 6, 2013

CC2420 Layer Diagram 








[plain] view plaincopy








    

  1. +--------------------------------------------------+  
    2. 

  2. |               Application Layer                  |  
    3. 

  3. |                                                  |  
    4. 

  4. +-----------------------+--------------------------+  
    5. 

  5.    
    6. 

  6.  +----------------------+-------------------------+  
    7. 

  7.  |             Active Message Layer               |  
    8. 

  8.  +----------------------+-------------------------+  
    9. 

  9.    
    10. 

  10.  +----------------------+-------------------------+  
    11. 

  11.  |              Unique Send Layer                 |  
    12. 

  12.  +----------------------+-------------------------+  
    13. 

  13.                     
    14. 

  14.  +----------------------+-------------------------+  
    15. 

  15.  |         Optional Packet Link Layer             |  
    16. 

  16.  +----------------------+-------------------------+  
    17. 

  17.                           
    18. 

  18.  +----------------------+-------------------------+  
    19. 

  19.  |  Optional Low Power Listening Implementations  |  
    20. 

  20.  +----------------------+-------------------------+  
    21. 

  21.                           
    22. 

  22.  +----------------------+-------------------------+  
    23. 

  23.  |        Unique Receive Filtering Layer          |  
    24. 

  24.  +----------------------+-------------------------+  
    25. 

  25.                           
    26. 

  26.  +----------------------+-------------------------+  
    27. 

  27.  |      Optional 6LowPAN TinyOS Network Layer     |  
    28. 

  28.  +----------------------+-------------------------+  
    29. 

  29.                           
    30. 

  30.  +----------------------+-------------------------+  
    31. 

  31.  |     Carrier Sense Multiple Access (CSMA)       |  
    32. 

  32.  +----------------------+-------------------------+  
    33. 

  33.                           
    34. 

  34.                                      
    35. 

  35. +----------+----------+   +----------+----------+  
    36. 

  36. |      ReceiveP       |   |      TransmitP      |  
    37. 

  37. +----------+----------+   +----------+----------+  
    38. 

  38.                                       
    39. 

  39.                           
    40. 

  40. +-----------------------+-------------------------+  
    41. 

  41. |    SPI bus, GPIO, Interrupts, Timer Capture     |  
    42. 

  42. +-------------------------------------------------+  
    43.


Posted by Donny at 9:47 PM 1 comments
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Saturday, January 5, 2013

Install TinyOS 2.1.2 on Ubuntu with gcc-msp430 4.6.3

Source: http://www.electronicspub.com/article/28/tinyos-installation-guide-on-ubuntu.html
Source: http://www.electronicspub.com/articles/articles.print.php?id=28

http://www.eetutorials.com/article/28/1/TinyOS-installation-guide-on-Ubuntu.html

Author:  Saeid Yazdani
Date: 13 September 2012


Posted by Donny at 5:08 PM 0 comments
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