iso165C_D00154_03_M_XXEN/01.2019
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Command and data value descriptions
7. Command and data value descriptions
7.1 Naming convention
7.1.1 Signal naming
7.1.2 DBC signal naming
The data value identifier "D_" is not included in DBC signal naming due to redundancy.
Instead an identifier is added that allows the same data value identifier to be used in dif-
ferent messages and which avoids any naming conflict in the DBC. The DBC identifier
identifies the sender of the message (Master or IMD) and the command type, i.e. Control
(CTL), SET or GET. Replace the DBC identifier with the data value identifier "D_" to ob-
tain all valid data values for this DBC signal.
Prefix Description
S_ Command
D_ Data Value
P_ Physical Interface
Prefix Description
MC_ Master Control request data value
MS_ Master Set request data value
MG_ Master Get request data value
IC_ IMD Control response data value
IS_ IMD Set response data value
IG_ IMD Get response data value
II_ IMD Info data value
7.2 Command descriptions
The message parameters are coded in bytes 2 to 5 and provide the possibility to enhance
the request or response with additional information. If no additional message parameters
are listed in this chapter the parameter should be initialized with '0'. Parameters in re-
sponse commands not described here have no concrete meaning in the system.
7.2.1 Control (CTL) commands
7.2.1.1 S_IMC_CTL_SELFTEST
This command is a request to start the IMC self test.
7.2.1.2 S_VIFC_CTL_IMC_RESET
This command is a request to reset the IMC subsystem.
7.2.1.3 S_VIFC_CTL_LOCK
This command is a request to lock or unlock the device against changes made by mistake.
IMD_Request IMD_Response
CMD 0x21 0x21
DataWord1 D_IMC_SELFTEST_SCR D_IMC_SELFTEST_SCR
DataWord2 0 0
IMD_Request IMD_Response
CMD 0xC8 0xC8
DataWord1 0 0
DataWord2 0 0
IMD_Request IMD_Response
CMD 0xCA 0xCA
DataWord1 D_VIFC_LOCK_MODE D_VIFC_LOCK_MODE
DataWord2 D_VIFC_LOCK_PWD 0
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