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LeddarVu User Guide Page 78 of 129
7
Reserved
-
-
8
Segment
enabled
Bytes 4
through 7
Bit-field of the enabled segments
Table 59: CAN bus request message (Set base address)
Data
Description
Argument
Argument Description
Base address
Bytes 4
through 7
Base address to access Read module date and Write module
date commands (from 0x00000000 to 0x00FFFFFF)
Table 60: CAN bus request message (Read module data)
Data
Description
Argument
Argument Description
Read
module data
Byte 1
Data length (1, 2, or 4)
Bytes 2 and 3
Offset from 0x0000 to 0xFFFF (final address to access is the
result of the base address plus this offset). This function is an
encapsulation of the SPI protocol. See section 5.1.3 Memory
Map.
Table 61: CAN bus request message (Write module data)
Data
Description
Argument
Argument Description
Write module
data
Byte 1
Data length (1, 2, or 4)
Bytes 2 and 3
Offset from 0x0000 to 0xFFFF (final address to access is the
result of the base address plus this offset).
Bytes 4
through 7
Data to write
This function is an encapsulation of the SPI protocol. See
section 5.1.3 Memory Map.
Table 62: CAN bus request message (Send module opcode command)
Data
Description
Argument
Argument Description
Send module
opcode
command
Byte 2
Opcode
This function is an encapsulation of the SPI protocol. See
section 5.1.2 SPI Protocol.
Byte 3
Optional argument (must be set to 0x00)