ANT Forum

Hello everyone,

I just started working on ANT+ development. I have the ANT+ development kit and one Garmin heart rate monitor (HRM) HRM1G. For now, i tried using USB interface board and AP2 module to receive data from the HRM. After making configuration on ANTwareII and opening the channel, I got messages shown as follows:

> Opening Channel...
Received BROADCAST_DATA_0x4E
:: 4e, 00-04-00-34-09-77-0A-0A-5E
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_GO_TO_SEARCH_0x08
:: 40, 00-01-08
Received BROADCAST_DATA_0x4E
:: 4e, 00-04-00-EC-1B-33-1D-18-7D
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02
EVENT_RX_FAIL_0x02
:: 40, 00-01-02

It looks like it can receive the signal from HRM, but something is wrong. Can anyone tell me why I got this "EVENT_RX_FAIL_" message?

Thank you very much.
     

Hi!

Make sure the channel period is configured correctly as per the ANT+ Heart Rate Device Profile.

I suspect that will fix it for you, but if not, some other common issues are listed here: http://www.thisisant.com/developer/resources/tech-faq/category/basic-troubleshooting/

Kind regards,

Kat
     

Thank you!