EXT0005: Firmware Update

• Extension dependencies: EXT000F
• Document status: Approved (2020-02-01)

This extension describes the firmware update process.

Commands

0009 Get FW File Version

Read firmware file version on device.

Request:

<TID> 3900 0002 0009

Response:

<TID> 3900 0006 0009 <FWVER>

Field	Length	Description
FWVER	4 bytes	FW file version (MSB 2 bytes = version type)

Errors:

Code	Description
0010	ROM read error
0011	FW file not found

000A Delete FW File

Delete firmware file. Execute before writing new file. Asynchronous process.

Request:

<TID> 3900 0002 000A

Response:

<TID> 3900 <LEN> 000A <PROCID> [<BUSYTIME>]

Process Errors:

Code	Description
0010	ROM error
0011	ROM resource expired

000B Send FW File

Write firmware file to device.

Request:

<TID> 3900 <LEN> 000B <OFFSET> <TOTLEN> <BLOCKDATA>

Response:

<TID> 3900 0002 000B

Field	Length	Description
OFFSET	4 bytes	Byte offset in FW file
TOTLEN	4 bytes	Total FW file length
BLOCKDATA	variable	Data block

Errors:

Code	Description
0010	Out of bounds (TOTLEN)
0011	OFFSET/BLOCKDATA mismatch
0012	ROM write error or data exists

000C Start FW Update

Start firmware update. Application should disconnect after response.

Request/Response:

<TID> 3900 0002 000C

Errors:

Code	Description
0010	ROM read error
0011	FW file not found
0012	FW file CRC error