2.4.4.3 Firmware Update Start operation
When the Firmware Update Start opcode is written to the OTACP along with image type parameter and an error condition does not occur, the Server shall start the firmware update procedure.
The format of the Firmware Update Start operation is defined in Table 4.6.
| Opcode | Requirement | Size (octets) | Description |
|---|---|---|---|
| 0x03 | M | 1 | Firmware Update Start |
| Opcode | Requirement | Size (octets) | Description |
| Image_Type | M | 1 | The image used for firmware update process.
0x01: Firmware image 0x02: Metadata All other values: RFU |
However, if an error condition occurs, the “Success” result code shall not be sent and the appropriate error response shall be sent as defined in Table 4.7.
| Error Condition | Error Response |
|---|---|
| Requested image type is not supported. | Not Supported |
| The received data length is invalid. | Not Supported |
| The requested operation is not valid in the current state of the firmware update process. | Invalid State |
| The received image type is not requested in Firmware Update Request opcode. (Image size is 0) | Operation Failed |
| Active flash head is not available | Operation Failed |