Symbol SE955 Integration Manual page 195

EVENT
Description: Indicate selected events occurred
Packet Format
Length
0x05
Field Descriptions
Field Name
Length
Opcode
Message
Source
Status
Event Code
Checksum
The decoder sends this message when an enabled event occurs. Use
0X07 to determine which events should be reported.
Host Requirements
The host receives this message when a selected event occurs.
Decoder Requirements
Generate this message when a selected event occurs.
Opcode Message Source
0xF6 0x00
Format
Length of message (not
including checksum).
0xF6
0 = Decoder
Bit 0: Retransmit
Bit 1-7: Unused
Type of Event Code.
2's complement sum of
message contents excluding
checksum.
Status Event Code
Size Description
1 Byte Length Field
1 Byte Identifies this Opcode type.
1 Byte Identifies where the message is coming
from.
1 Byte Identifies the transmission status.
Unused bits must be set to 0.
1 Byte See Table 8-2 on page 8-71
2 Bytes Checksum of message.
Table 8-2 on page 8-71, and parameters 0xF0 0X00 through 0xF0
Simple Serial Interface 10-11
Checksum