Sony FCB-ER8550 Technical Manual page 58

ID list
Command ID Definition of ID
/*Initial communication*/
0x0001 CMD_INIT
/*Judgment of rush conditions*/
0x0010 CMD_CHK_GUARD
/*Inquiry of firmware version*/
0x0020 CMD_QUERY_VERSION
/*Start mode switching request*/
0x0030 CMD_SWITCH_MODE
/*Firmware rewrite*/
0x0040 CMD_WRITE_FIRM
/*Completion check notification of rewrite processing*/
0x0100 CMD_COMPLETE
/*Acquisition of firmware update processing status in this unit*/
0x0200 CMD_GET_STATE
Definition of ID
Response ID
(STAT_ is also the same.)
/*Normal system*/
0x0001 ERR_OK
0x0002 ERR_BUSY
/*Communication protocol error*/
0x0100 ERR_PROV
0x0101 ERR_SEQUENCE
0x0102 ERR_BIG
0x0103 ERR_INVALID_PARAM
/*0x1xxx: Processing error in this unit*/
0x1xxx ERR_INTERNAL
Response ID Definition of ID
/*Normal system*/
0x0001 STAT_OK
0x0002 STAT_BUSY
/*Status of rush conditions*/
0x0140 STAT_INVALID_MODEL
0x0141 STAT_INVALID_REGION
/*Firmware data error*/
0x0040 STAT_INVALID_DATA
A processing error in this unit is notified to a ResponseID field as an error.
CurStatus ID Definition of ID
0x0100 CURSTAT_PRE_INIT
0x0200 CURSTAT_PRE_SWITCHMODE
Outline description
Initializes communication.
Starts the judgment of rush conditions.
Inquires the version of firmware.
Executes the switching to a firmware update mode.
Transfers firmware data and writes it.
Notifies the completion check of firmware update.
Acquires the firmware update processing status.
Outline description (The detailed meaning varies depending on
each command.)
Normal termination
Processing in progress
Difference in protocol version
Sequence error. This is not a state in which a command can be received.
A packet is too large. (A receive buffer is insufficient.)
A parameter is illegal.
Internal processing error in this unit
Outline description (The detailed meaning varies depending on
each command.)
A model differs.
Destination differs.
The received firmware data is illegal (damaged).
(The data is falsified and cannot be detected by CRC of a package file.)
Outline description
Before CMD_INIT reception
After CMD_SWITCHMODE reception