Quake Global PL131, Руководство пользователя

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User Guide to PL131
Document Number 1155-4713 Rev E
Page 28
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6.2.1.3 Header or Message Ack
Table 6-3: FOTA header or message Ack
Field Name Data Type Size Notes
Opcode Message opcode U8 1 byte Set to 0x36
AckOpcode OpCode of the
message ACK U8 1 byte - W
ill be 0x3D when ACK’ing the header
- W
ill be 0x3C when ACK’ing the data every 7
packets
Checksum Should be 0x0000 -
reserved for future U16 2 bytes
Timestamp Timestamp in seconds
since Nov 1, 2012 U32 4 bytes
6.2.1.4 Header or Message Nack
Table 6-4: FOTA header or message Nack
Field Name Data Type Size Notes
Opcode Message opcode U8 1 byte Set to 0x37
NackOpcode OpCode of the
message NACK
U8 1 byte - Will be 0x3D when N
ACK’ing the header
- Will be 0x3C when
NACK’ing the data
Reserve Should be 0x00 -
reserved for future U8 1 byte
Reason Reason for the failure U8 1 byte Possible values:
- 6 (HeaderFail) if Header parsing fails
- 3 (WindowFail) if window checksum fails
- 5 (FileFail) if overall file checksum fails
if LZF decompression fails
if BSDIFF patching fails
if file I/O fails
Timestamp Timestamp in seconds
since Nov 1, 2012 U32 4 bytes