F7 - Command Buffer Management - IBM 4610 SureMark GR3 Programming Manual Supplement

5.2.5 F7 - COMMAND BUFFER MANAGEMENT

This command is used to retrieve the last command issued of the command buffer.
-----------------------------------------------------------------------
BYTE BIT CONTENT
0-1 1B66 - cmd prefix
2 F7 - Command Buffer Management
3 Cmd. Extension
00 = Retrieve Last
01 = Retrieve Previous Command
02 = Clear Command Buffer
-----------------------------------------------------------------------
Response for Command Buffer Management will be formatted as follows:
-----------------------------------------------------------------------
BYTE BYTE CONTENT
RS-485 USB
0-8 Fiscal Unit Status
0-14 Fiscal Unit Status
9-128 Additional Information
15-128 Additional Information
-----------------------------------------------------------------------
Notes:
1. See response for the Additional Information.
Response for Additional Information will be formatted as follows:
-----------------------------------------------------------------------
BYTE BYTE CONTENT
RS-485 USB
9 15 Type
10 16 Command
11 17 Additional Data Length
12 18 Command
Command Extension
Command
Additional Data
Fiscal Untit Status Executed Command hex
-----------------------------------------------------------------------
Notes:
1. Type:
•
0xFF = command retrieved
•
0xFE = there was a new command between F700 and F701
•
0x00 = no commands found
2. Command Data Length = 1 byte + n0 bytes + n1 bytes
where:
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Command
TYPE LENGTH
hex
hex
hex
hex
TYPE LENGTH
hex
Data Length hex
hex
hex
hex
Data hex
hex
TYPE LENGTH
hex 2
hex 1
hex 1
9
15
120 (Note 1)
114 (Note 1)
1 (Note 1)
1 (Note 2)
1 (Note 3 on page 73)
1
n0
n1
n2 (Note 4 on page 73)
n3 (Note 5 on page 73)