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doc:rfc_canraw-mode [2014/08/31 11:17] – [Initialization] admindoc:rfc_canraw-mode [2014/08/31 11:41] – [Examples] admin
Line 107: Line 107:
 ==== Examples ==== ==== Examples ====
  
-receiving frames:+=== Receiving Frames: === 
 + 
 +Depending on the parameter x given at the listen format ''p 7 1 x''. the dongle dumps the received frames in different formats (where x=0 means disable listen outputs): 
 + 
 +== Vector Style Output (1) == 
 + 
 +When having x=1, the output is like this 
  
   # 170943 0x1f6  0x0  8  00  00  01  49  00  03  00  0a   # 170943 0x1f6  0x0  8  00  00  01  49  00  03  00  0a
Line 113: Line 120:
   # 170944 0x2fd  0x0  6  00  e5  e2  00  2e  f0   # 170944 0x2fd  0x0  6  00  e5  e2  00  2e  f0
  
-FIXME Sending frames: 
  
 +== Vector Style Output from ISR (2) ==
 +
 +When having x=2, the output is like 1, but to have higher output performance (if needed), this output is already made in the CAN service routine.
 +
 +
 +== Vector Style Output from ISR (2) ==
 +
 +When having x=2, the output is like 1, but to have higher output performance (if needed), this output is already made in the CAN service routine.
 +
 +== Lawicel Output from ISR (3) ==
 +
 +With x=3, the output comes also straight out of the CAN Interrupt service routine, having the so called Lawicel or SLCAN format:
 +
 +  T000007e1801a1a2a3a4a5a6a7deab
 +  T000007e247202700000000000e293
 +  T000007e381010323334353637e67b
 +  T000007e081112131415161718ea63
 +  T000007e1802b1b2b300000000ee4b
 +  T000007e3821363738393a3b3cf233
 +
 +Which has the following format for 11-bit CAN Identifier
 +
 +  tiiindddddddddddddddd[ssss]
 +
 +or
 +
 +  Tiiiiiiiindddddddddddddddd[ssss] \r
 +
 +for 29 bit CANIDs, where the meaning is
 +
 +^ Field name  ^ Length (Bytes)  ^ Meaning ^
 +|    T / t    |      1          | T= 29 bit CAN ID, t= 11 bit CAN ID |
 +|    i        |      2 / 4      | CAN ID either as 2 bytes (=11 bit) or 4 Bytes (=29 bit) |
 +|    n        |      1          | DLC (Number of Bytes) in Hex Format ("0".."8") |
 +|    d        |     0.. 8       | 0-8 Data Bytes in Hexadecimal writing |
 +|    s        |      2          | optional timestamp in hexadecimal writing (0..65535 ms) |
 +
 +
 +
 +FIXME Sending frames:
 ===== Implementation Details ===== ===== Implementation Details =====
  
doc/rfc_canraw-mode.txt · Last modified: 2016/10/30 09:22 by admin