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Difference send burst ant+ usb2 and ant+ usb-m

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Total Posts: 8

Joined 2015-11-04

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Hi,

We made software to control some trainers. It works fine using the ANT+ USB2 dongle.
Now we use ANT+ USB-m dongle, and noticed that receiving works ok, but sendburst (0x72) does not seems to work.

Is there a difference in using the sendburst between usb2 dongle and usb-m dongle?

Best Regards,
Klaasjan      
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Total Posts: 745

Joined 2012-09-14

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Hi Klaasjan,

0x72 is for explicitly sending "Advanced Burst Data". Advanced bursts are only supported on newer devices such as the USB-m or the nRF5x SoC series. You should continue using the 0x50 to ensure backwards compatibility with all ANT devices.

Best regards,
Harrison      
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Total Posts: 8

Joined 2015-11-04

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Hi Harrison,

with ANT+ USB2 dongle the sendburst uses &H48; as command code. This works fine.
with the ANT+ USB-m dongle i got a lot fails.

so it seems that the 0x72 works ok with and USB2 dongle.

Best Regards,
Klaasjan      
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Total Posts: 745

Joined 2012-09-14

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This sounds like it could be related to the wireless performance of the devices. Have you tried repositioning the USB-m closer using a cable instead?