Unitech PA982 Manuel d'utilisateur Page 23
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3 Control command for decoder chip (Hamser: 1D only)
Important: This chapter describes low level command for scanner control function. If you already USI
to do scanner programming, you don’t need to care about this chapter. In general, it is not suggested to
use level command to control scanner, because there are timing issue on serial communication
programming , and it is always need communication expert to do that and it is hard to explain it on
document.
When Host prepare to send a command to hamster, it must first check CTS, if CTS is high, then Host
must set the RTS to high then clear RTS to low to wake up the Hamster.
Special Command for control
command Format Comment
Control Esc,80H+SOH(01H) Let Hamster enter slaving status. At this
status Hamster just receives commands and
executes it until it receives Release command
or timeout (about 10s). Otherwise, the timeout
is about 1s as the interval of commands.
Release Esc,80H+EOT(04H) Let Hamster exit from slaving status.
Execute/
Enquiry
Esc,80H+ENQ(05H) Let Hamster execute the previous saved command
and check hamster if there is a result of
previous executed command to send to Host. If
previous saved command have already executed
and no result to send, hamster do not reply
until there is a result. If Host receive a
result but the BCC is wrong, it can re-send
ENQ to re-send result again.
ACK Esc,80H+ACK(06H) It is from Hamster to Host. If Hamster receive
a command and this command do not need send
message back, Hamster reply the ACK.
NAK Esc,80H+NAK(15H) It is from Hamster to Host. Hamster require
the Host to re-send command again, normally
when received a wrong BCC, it can send the
NAK. The Hamster sends back NAK whenever it
receives a no sense command.
COMMAND FROM HOST TO HMASTER
Command format:Esc,Lh,Ll,n,m,S1,...,Si,BCC
Here: Esc is Escape code(H'1B)
Lh/Ll is command's length when the Lh.b7 is 0, Lh is high byte, Ll is low
byte, count from n to BCC. When Lh.b7=1 it is a two bytes special command.
n is command ID
m is operation: Normally for setting commands the 0 means setting, 1
default, 2 read current setting, 3 special operation. When m=1 or 2, the S1
should be 0 for bits or one character setting. If the setting is a string,
like pre_amble, the read or default command should not contain any Si byte.
The special meaning in a command please refers the command definition.
Si is setting/read data.
BCC: it equals to XOR of all the bytes before the BCC.
Conventions: S1.bj means the number j bit of byte S1.
The expression 1~64:2 means that the number is between 1 and 64, the
default is 2.
Notice: Any interval in a command transmit can not exceed 1 second.
Command Format Comment
Initial/
Warm start
Esc,0,2,0,BCC Hamster initializes the ports and flags
according to the setting in RAM.
Default Esc,0,2,1,BCC Reset setting in RAM and initialize
Mpu_idle Esc,0,4,2,m,S1,BCC S1 is 0~3:0 is sleep mode,1 is watch mode,
2_is standby mode.
Beep Esc,0,4,3,m,S1,BCC S1 0 none,1 low,2 medium,3 high,4
- HT6xx/PA96x/PA982/RH767 1
- Programming Manual 1
- 2.7 Get scan data 15
- 2.9 Get Symbology name 16
- 2.11 Good read indicator 18
- 2.22 Enable/Disable Scan2Key 21
- Special Command for control 23
- EAN128Brace 27
- AimingTime 27
- 4.4 Read barcode data 29
- 4.5 Get DLL version no 29
- 6.3 Suspend 33
- 6.4 Disable TaskBar 33
- 6.5 Enable TaskBar 33
- 6.6 Disable Desktop 33
- 6.7 Enable Desktop 33
- 6.10 Disable Connection 34
- 6.11 Enable Connection 34
- 7.8.5 Inquire IO slot status 44
- 7.9 Check battery type 44
- 9.1.4 Select Card type 48
- 9.1.5 Get Reader Information 48
- 9.1.6 Antenna Control 48
- 9.2 ISO-15693 49
- 9.2.1 Inventory 49
- 9.2.2 Set StayQuiet Mode 49
- 9.2.3 Set Select Mode 49
- 9.2.4 Set Ready Mode 50
- 9.2.7 ISO15693 Lock Block 51
- 9.2.9 ISO15693 Lock AFI 51
- 9.2.11 ISO15693 Lock DSFID 52
- 9.2.12 Get Data From Reader 52
- 9.3 ISO-14443A 53
- 9.3.1 Write Default Key 53
- 9.3.2 ISO-14443A Open Card 53
- 9.3.3 ISO-14443A Close Card 54
- 9.4.5 Lock SR176 Block 57
- 9.4.9 Read SRIX4K Card ID 58
- 9.5 Error Code 59
- 11.4 Select Gen2 Tag 63
- 11.7 Select ISO18000-6B Tag 64
- 11.12 Send a Tag Password 65
- 11.13 Lock Gen2 Tag 66
- 11.14 Lock ISO18000-6B Tag 66
- 12.3.1 Open RFID Reader 71
- 12.3.2 Close RFID Reader 71
- 12.5.1 Callback function 74
- 12.5.7 Tag Read Operation 76
- 12.5.8 Tag Write Operation 76
- 12.5.9 Modify EPC Operation 77
- 12.5.10 Tag Kill Operation 77
- 12.5.11 Tag Lock Operation 77
- Returns: RFID_STATUS 78
- 12.7.2 ACCESS_STATUS 82
- 12.7.3 ANTENNA_STATUS 82
- 12.7.4 ACCESS_DATA 83
- 12.7.5 RFID_INVENTORY 83
- 12.7.6 RFID_READ 84
- 12.7.7 RFID_READ_EX 84
- 12.7.8 RFID_WRITE 85
- 12.7.9 RFID_WRITE_EX 86
- 12.7.10 RFID_WRITE_EPC 86
- 12.7.11 RFID_KILL 87
- 12.7.12 RFID_KILL_EX 87
- 12.7.13 RFID_LOCK 88
- 12.7.14 RFID_LOCK_EX 89
- 12.7.15 RFID_SELECT_CRITERIA 89
- 12.8 Error Code 91
- 12.9.1 Class “R1000Reader” 93
- 12.9.2 Programming Model 93
- 17.6 Capture Image 97
- 17.7 Start Capture Video 97
- 17.8 Stop Capture Video 98
- 17.11 Start Playback 98
- 17.12 Stop Playback 99
- 19 GPS related functions 101
- 22 32WAN GPRS library 104
- 23 Update notes 105
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