3.6.20 `CNFG_UnlockConfiguration`Command and its Response

The CNFG_UnlockConfiguration command (0xC9) changes the protection level to ‘Password Set - Unlocked’:

qwPassword → 8-byte password

This command is sent through Endpoint 0x05 (OUT). The response is read through Endpoint 0x85 (IN).

Table 3-45. `CNFG_UnlockConfiguration` - Command
Byte Index	Command		Description
0	`0xC9`	Command code	Changes the protection level as ‘Password Set - Unlocked’
1-8	`qwPassword`	Password (8 bytes)	Eight bytes of password

Table 3-46. `CNFG_UnlockConfiguration` - Response
Byte Index	Response		Description
0	`0xC9`	Echo command code	Returns whether the `CNFG_UnlockConfiguration` command was accepted or rejected
1	`0x20`	Accepted – success	Accepted. The new state of the device configuration is Password-protected (unLocked).
	`0x80`	Rejected – wrong parameters	Rejected because the password did not match
	`0x64`	Rejected – password mismatch	Rejected because the configuration is permanently locked
	`0x68`	Rejected - invalid state	Rejected because the password is not set
	`0x6C`	Rejected - no operation	Rejected because the configuration is already unlocked
	`0x90`	Failure - unsuccessful EEPROM write	Could not save to EEPROM; retry

DS40002695A

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