USB-CAN Manual Datasheet by Seeed Technology Co., Ltd

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USB-CAN User Manual
1.Install the driver
In the data to see the following folder
Double-click, according to your specific system to install the
driver
2.The USB - CAN insert computer
From the device manager see USB - CAN virtual COM port
From the device manager see USB(232) - CAN virtual COM port
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3.Open the USB - CAN software
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Click the refresh button, from port right drop-down box choose
port
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Click on the Open button
According to the CAN bus selecting frame type and set CAN baud
rate, point solution set and start button, the CAN bus and the equipment
the communication.
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4. Software and introduces
4.1 COM Port Settings
Will the USB - CAN insert computer, CAN automatic find the
computer COM port, choose good port CAN, CAN open or closed port,
this with serial debugging assistant similar, communication baud rate is
fixed 1228800 BSP.
4.2 CAN Settings
Work patterns include normal mode, Loop back mode, silent mode, Loop
back + silent mode
Normal mode: is CAN normal communication model, CAN be normal to
the bus to send and receive data
Loop back mode: send data CAN be sent to CAN bus, and at the same
time, feedback internal region of acceptance, ignore accept pin of the
actual state and CAN be used for self test
Silent mode: CAN normal accept data, but CAN only send recessive
position, and CAN't really send message, often is applied to the analysis
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of CAN bus activities
Loop back + silent mode: the model can be used for "hot self test",
namely online self test. Like a ring back mode that self test, but does not
affect the CAN bus system.
Frame type: standard frame (CAN2.0 A 11 ID) extended frame (CAN2.0 B
29 ID)
CAN baud rate: CAN the direct selection CAN communication commonly
used baud rate:
1M,800K,500K,400K,250K,200K,125K,100K,50K,20K,10K,5K
f it CAN be directly set the baud rate and you CAN equipment baud rate
does not agree, CAN choose
After the choice will jump out of a custom baud rate dialog box
The top position CAN baud rate calculation formula, and at the same e t e , e , nd y Filter ID and Mask ID d k s k Set and Start ck Frames/Auto 11mm“ Clsar Delete Add Interval DCycls Stop Dilute Answer Send llo Frame Type Frame Format Frame ID Data Send multiple frames chines e
The top position CAN baud rate calculation formula, and at the same time
set phase buffer 1, phase buffer 2, and preassigned frequency is ok
Filter ID and Mask ID: are hexadecimal data filtering the IDs and Mask ID
standard frames low 11 (range: 0x00000000 to 0x000007ff) extended frame
filter ID and Mask ID 29 (range 0x00000000 to 0x1fffffff)
Only send once: CAN communication is usually send unsuccessful
automatic repeat, if have been circulating send data, CAN set banned
message automatic repeat
Click , CAN undertake the CAN
communication
Frame format contains data frames and remote frame, frame ID is
hexadecimal data, the standard frame ID the range of 0 x00000000 ~ 0
x000007fff, to expand frame ID the range of 0 x00000000 ~ 0 x1fffffff. To
send data also for hexadecimal data, map the data in the db x00 0, 0 x01,
0 x02, 0 x03, 0 x04, 0 x05, 0 x06, 0 x07
4.3 Send multiple frames data
Add button: in sending multiple frames area will add a send frame data
Delete button: will delete the final article of sending multiple frames
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area data
Clear button: will clear to send multiple frames area all the data
Interval : send multiple frames area connected two frame interval send
time
Cycle: send cycle is repeated
Stop: cancel sending multiple frames command
Data editing in sending multiple frames area editor
Choose frame type
Choose the frame format
Edit frame ID
Modification to send data
4.4 CAN Bus State
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Mainly used in turn CAN see USB device CAN state
4.5 ending and receiving data display area
Clear: empty to send and receive data display so data
Pause: pause in the sending and receiving display area shows that other
data
Continue to: continue to show to send and receive data
Save: can send and receive data buffer data storage that can hold two
format, excel or TXT text
Display receive only: can send and receive data area show only accept
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data
Auto refresh: when display only accept data, CAN choose to be
automatic refresh, this time data are real-time refresh, rather than
increasing column display, this function CAN be concluded CAN
summarize ID data
Select any line
The left mouse button double click it
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5.COM bps select
USB - CAN power on when to send and receive light flash one at the
same time, the COM baud rate to 2000000 BPS, flash two at the same
time, the COM baud rate to 1228800 BPS, flash three times at the same
time, the COM baud rate to 115200 BPS, flash four at the same time, the
corresponding COM baud rate to 38400 BPS, flash five times at the same
time, the corresponding COM baud rate to 19200 BPS, flash six at the
same time, the corresponding COM baud rate to 9600 BPS