LabJack U12 - Page 54

Command
Byte #
Description
0
Bits 7-1: XXXXXXX
Bit 0: Ignore Commands
1
XXXXXXXX
2
XXXXXXXX
3
XXXXXXXX
4
Bit 7: D0 Active
Bit 6: D0 State
Bit 5: D1 Active
Bit 4: D1 State
Bit 3: D8 Active
Bit 2: D8 State
Bit 1: Reset on Timeout
Bit 0: Watchdog Function Active?
5
01X1X011 (Watchdog)
6
Most Significant Timeout Byte
7
Least Significant Timeout Byte
Results
Byte #
Description
0
Left side of Firmware Version (X.00)
1
Right side of Firmware Version (0.XX)
2
Echo of Byte 2 of Command
3
Echo of Byte 3 of Command
4
Echo of Byte 4 of Command
5
Echo of Byte 5 of Command
6
Echo of Byte 6 of Command
7
Echo of Byte 7 of Command
LabJackPython Example
>>> import u12
>>> d = u12.U12()
open called
Writing: [0x0, 0x0, 0x0, 0x0, 0x0, 0x57, 0x0, 0x0]
Received: [0x57, 0x0, 0x0, 0x0, 0xff, 0xff, 0x0, 0x0]
>>> d.rawWatchdog()
Writing: [0x0, 0x0, 0x0, 0x0, 0x0, 0x53, 0x17, 0x70]
Received: [0x1, 0xa, 0x0, 0x0, 0x0, 0x53, 0x17, 0x70]
{'FirmwareVersion': '1.10'}
5.11 - Read RAM
Reads 4 bytes out of the U12’s internal memory.
Note: Bytes are read down from the starting address. For example, if you read at address 0x203, then byte 0 comes from 0x203,
byte 1 comes from 0x202, byte 2 comes from 0x201, and byte 0 comes from 0x200.
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