Interpreters Document



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dps Interpreters

Request 
Byte
Value 
Byte Description 

80 
Format byte for physical addressing 

## 
Global target byte 

## 
Global source byte 

05 
Length of request from byte 5 up to checksum (not included) 

37 
Request Transfer Exit Request Service ID
Calculate checksum and copy into the Request Transfer Exit service request
Send the Request Transfer Exit request and expect a response 
If an error occurred
End the routine download
Else 
Increment address used in Request Download service by the number of bytes transferred 
If remaining data is less than uncompressed memory size 
Use number of remaining bytes in Request Download service 
Endif 
Endif 
Endif 
End do while more routine to download
If Transfer Data positive response is received 
Look for Transfer Data positive response service ID ($76) in goto fields 
Else
Look for Transfer Data negative response, response code in goto fields 
Endif
If found
Goto appropriate step
Else 
Goto step indicated by FF goto field 
Endif
Typical Interpreter Line: (all Action and Goto fields are hex numbers) 
Step 
Op-Code 
Action Fields
Goto Fields 
10 
90 
01 00 03 00 
76 11 FD 0D FF 20 00 00 00 00 
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Page
148 
93 Op-Code: SR 36 to Transfer a Calibration File to ECU
 
Supported By:
KWP2000 Interpreter 2
 
 
Description: 
 
The 93 Op-Code is used to build a service request 36 for downloading a calibration file (or software) to an 
ECU. Depending on the product being programmed this Op-Code may need to be preceded by a service 
request 34 (see Op-Code 34 ). The 93 Op-Code supports the use of either the header address or the global 
address for the Service Requests. To set the global address an 'F1' Op-Code should be included in the 
Interpreter Instructions prior to the '93' Op-Code. The 93 Op-Code supports either two or three byte 
addressing. The number of data bytes to include in each request is retrieved from the Utility File header. 
The 93 Op-Code uses the global target and source byte for all requests. If a target and source byte other than 
the global target and source byte needs to be used the Interpreter instructions should contain a 01 Op-Code 
prior to this Op-Code. 

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