Nexcom VMD 3002 User Manual page 30

Vehicle mount display
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Chapter 6: Table for MCU Protocol
Command 0x31: Return BSL Info
Direction: MCU -> Host
The MCU sends this command in response to the command "Command
0x30: ReadBSLInfo" sent by the Host.
Data Structure
Length
Product_Name
16
MCU TYPE
16
Flash Lock Password
8
Boot Loader Version
8
Application Version
8
Command 0x36: IsRequestReboot
Direction: Host -> MCU
The Command has no extra data.
Command 0x37: Return Reboot
Direction: MCU -> Host
The MCU sends this command in response to the command "Command
0x32: SendReboote" sent by the Host.
Data Structure
Length
State
1
Command 0x40: ReadUpdateMode
Direction: Host -> MCU
The Command has no extra data.
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Comment
The Product Name will be read
The Device Family Type will be read
The Flash Lock Password will be read
The Boot loader version will be read
The Application version will be read
Comment
0x01: Reboot (Wait for 3 sec)
0x00: Non
Command 0x41: Return Update Mode
Direction: MCU -> Host
The MCU sends this command in response to the command "Command
0x41: ReadUpdateMode" sent by the Host.
Data Structure
Length
State
Command 0x42: IsRequestUpdate
Direction: Host -> MCU
The Command has no extra data.
Command 0x43: Return Request Update
Direction: MCU -> Host
The MCU sends this command in response to the command "Command
0x42: IsRequestUpdate" sent by the Host.
Data Structure
Length
Data
Command 0x7F: Return Invalid Command
Direction: Host -> MCU
The Command has no extra data.
22
Comment
0x01: Update mode
1
0x00: Normal mode
Comment
Fixed Data as below:
4
0x55 0xCC 0x00 0xFF
VMD 3002 User Manual

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