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CM5 and xBee

Bioloid robot kit from Korean company Robotis; CM5 controller block, AX12 servos..
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CM5 and xBee

Post by alzb92 » Mon May 26, 2008 11:28 pm

Post by alzb92
Mon May 26, 2008 11:28 pm

Good evening,

Who has tested the CM5 with modules xBee of MaxStream.

At the moment when the data are not sent wholesale volume this works perfectly ...

But for downloading and file for use with URBI this problem. I think this is a problem of settings ...
Good evening,

Who has tested the CM5 with modules xBee of MaxStream.

At the moment when the data are not sent wholesale volume this works perfectly ...

But for downloading and file for use with URBI this problem. I think this is a problem of settings ...
alzb92
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Post by alzb92 » Tue May 27, 2008 7:52 am

Post by alzb92
Tue May 27, 2008 7:52 am

Mince the problem is that the XBEE it's CMOS-LOGIC (3.3V) and that it's CM5 TTL-LOGIC (5V).

Too bad ... However orders for short this seems to work well.
Mince the problem is that the XBEE it's CMOS-LOGIC (3.3V) and that it's CM5 TTL-LOGIC (5V).

Too bad ... However orders for short this seems to work well.
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Post by limor » Tue May 27, 2008 4:28 pm

Post by limor
Tue May 27, 2008 4:28 pm

Actually near the Zig100 interface on the CM5 there is a 3.3V regulator.
Search on this forum the threads related to hooking up the BlueSmirf to CM5 for more info.
Actually near the Zig100 interface on the CM5 there is a 3.3V regulator.
Search on this forum the threads related to hooking up the BlueSmirf to CM5 for more info.
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Post by alzb92 » Sun Jun 08, 2008 7:39 pm

Post by alzb92
Sun Jun 08, 2008 7:39 pm

In fact I have connected the xBee at the UART0 ... For now using the RobotTerminal it works perfectly except loading file because it generates a checksum error. So I continue on this track.
In fact I have connected the xBee at the UART0 ... For now using the RobotTerminal it works perfectly except loading file because it generates a checksum error. So I continue on this track.
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Post by StuartL » Mon Jun 09, 2008 6:44 am

Post by StuartL
Mon Jun 09, 2008 6:44 am

alzb92 wrote:In fact I have connected the xBee at the UART0 ... For now using the RobotTerminal it works perfectly except loading file because it generates a checksum error. So I continue on this track.


You can fix the checksum error by sending the checksum byte immediately after the rest of the data. The checksum is literally the byte-sum of every data byte.

If you're still getting checksum failures (or you're using the Robotis file upload, which does this automatically) then your data is being corrupted.
alzb92 wrote:In fact I have connected the xBee at the UART0 ... For now using the RobotTerminal it works perfectly except loading file because it generates a checksum error. So I continue on this track.


You can fix the checksum error by sending the checksum byte immediately after the rest of the data. The checksum is literally the byte-sum of every data byte.

If you're still getting checksum failures (or you're using the Robotis file upload, which does this automatically) then your data is being corrupted.
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