# 164 questions

Tagged
• x
55
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## nRF8001, nRF51422 or nRF51822

Hi,

It's my first post here so let introduce myself : I'm a 25 y.o. French electronics engineer and hobbyist. I also like skating (inline skates and ice skates) mainly slalom, jumps, speed run, street ride... And I ... (more)

37
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2
1

## I2c + timer1 + timer2 + softdevice(S210)

Hi Nordic,

My application does the following:

• Timer 2 takes care of controlling a shift register (CLK and DATA)
• Timer 1 takes care of polling data from sensor via I2C, each 10ms
• We are continuously sending and receiving data from ...
(more)

63
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1
vote
1

## iOS/iPhone BLE service discovery timeout with ant shared channel demo

Hi!

Using the out of the box ANT shared channel demo with a NRF52-DK board and the iOS demo app everything compiles and installs nicely, using the Android-based app nRF Connect for Mobile I can successfully connect and control the ... (more)

32
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## Difficulies to implement acknoledgement on ant asynchrone link.

Hello,

I have some difficulties to make an ant acknoledgement with my nrf51422 (s210), and i would be grateful if you could help me with it. (SDK used 12.2)

I have 2 modules nrf51422 that communicate in ant:

• A ...

(more)

121
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1
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2

## Arduino Primo or nRF52 DK or ...

Hi, I'm looking to build a simple ANT+ application. My only asset for this project is a background in C/C++. I'll need to learn/relearn the basic electronics and protocol bits. I had thought to use an ... (more)

65
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2

## Including C++ library in C project?

Hi Nordic,

I want to include this library (https://github.com/jrowberg/i2cdevlib...) in my project, which is an evolution from ant_ broadcast example, in C. However, and after reading several related posts, I am not able to compile my ... (more)

52
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1

## Can you please look into the customised ANT design

Is this antenna pattern and design for our custom board is fine? we are using the nrf51822 with matching circuit. Please put your valuable suggestion from your experience.

Thanks Vallinath

73
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3
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## Events triggered in slave while not paired

Hi Nordic, I come from this question: https://devzone.nordicsemi.com/questi...

So, my doubt is: what events are triggered in a slave channel while it is not communicating to a master?

I am having problems triggering EVENT_CHANNEL_CLOSED (the function ... (more)

47
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## Hardfault Compiler error on nRF52 ANT Broadcast Tx example

Hi, I am trying to compile the ANT Broadcast Tx Example from the latest nRF5 SDK v12.1.0 (../examples/ant/ant_broadcast/tx), but I get the following 3 error messages with an unmodified example code:

Compiling hardfault_handler_keil.c

• expected ...
(more)

64
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1

## can i send data ove ant just one time

hi. i open ble_ant_app_hrm from sdk 9 and i send data over ant . how can i send a data just one time cause i want save it on eeprom. how can i send a data just one time?

56
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5
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## ANT Broadcast Message through previously set up channel

Hi Nordic,

I have a star network with 3 nodes and 2 channels. I go through the whole pairing process and start sending data without problem. Now I want to, from the master, use one of these two channels to ... (more)

49
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2
1

## Program stuck at ant_channel_init

Hi Nordic,

I am trying now to create a star network, in which the central node is master of different slave channels. The idea is to configure and open different independent channels. However, the code gets stuck when I try ... (more)

70
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1
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1

## ANTware II in PCA10028 (nRF51 DK): not being discovered in the software

Hi there!

I am trying to develop some application using ANT, and for that I bought some nRF51 (10031) dongles and one nRF51 DK (10028). In the beginning, I tried to use ANTware II with the dongles, but apparently, as ... (more)

71
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1

## How to implement selecting one ANT+ master device pair if multiple master deice exist. [closed]

Hi,

Our device is slave device with LCD displaying.We need to implement the function as below:

Within range of our slave device, if multiple master device like combined bike speed and cadence senor or speed and distance sensor are ... (more)

128
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3
2

## SD332 - BUG with 4 byte NRF52 ANT Timestamps

ANT experts,

I have been looking at the nrf52 implementation of the ANT timestamp (and timesync) features. One thing that is rather puzzling is the fact that the documentation for the ANT protocol claims that the timestamp in the extended ... (more)

141
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1

## nRF52 module with accelerometer

Hi all,

I would like to design a product based on the nRF52832 chip. The board should have an accelerometer, a charging circuitry for a LiPo and some additional components (switch, LEDs). In order to reduce development time, have a ... (more)

79
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## Slave displaying device can't close BSC channel by calling lib sd_ant_channel_close() [closed]

Hi all,

Our project base on platform nRF5_sdk11.0.0_89a8197 and use softdevice ANT_s332_nrf52_0.9.1.alpha.hex and refer to demo on path \nRF5_SDK_11.0.0_89a8197\examples\ant\ant_plus\ant_bsc\bsc_rx\combined\pca10040. Our device is slave displaying device ... (more)

94
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## nRF51422 ANT power consumption too high

Hello,

I am having trouble with my power consumption. My Chip is using 1mA during run-time. It seems to work right when I put it to sleep (~0.5 µA). I am only programming the chip with ANT and using ... (more)

33
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## ANT CW test

I'm using S332 0.9.1 with freertos. nRF52. BLE and ANT are both active. I would like to run the ANT continuos wave (CW) test after a specific trigger (a command over a console).

I found this thread ... (more)

107
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1

## Can the nrf51 dongle be used with simulANT+?

I have a nrf51 Dongle handy and I'm wondering if it can be used as an ANT+ to USB gateway for running simulANT+ on my PC? If this is possible, where can I find the dongle firmware and USB ... (more)

160
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2
1

## sd_ant_acknowledge_message_tx results in APP Error

hi,

I have created shared channel. currently I only have one master and one slave working. Master is sending data to slave and it s working perfectly.

But I can not send data from slave to master using sd_ant_acknowledge_message_tx It ... (more)

124
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1

## Use ANT extended message

hi, Everyone,

I have started with new ANT project using S210 and example-> scan and forward inside ant directory. I want to know if there is any SDK i can send extended message inside ANT structure. All I know is ... (more)

68
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## ANT Shared channel reverse message is not sent correctly

Hello.

I use nRF52 and tried to make the shared channel.

There are 1 Master and 1 ~ 3 Slave device.

When the master device send the notification messages to slave devices, they are received all messages.

And when the master ... (more)

31
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1
vote
1

## Beginning ANT with NRF51422 Dev Kit

Hi,

I want to understand ANT and want to begin development with ANT once I figured out how it works. After reading posts on this forum I found out that not all Softdevice or SDK versions support ANTs.

I ... (more)

112
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1

## ARDUINO + D52QD2M4IA (nRF52832) - protocol help…

Hi.

I develop an application in the past with ARDUINO and a nRF24AP2 module with great success. I can read 8 heart rate monitors ANT+ sensors in the same time, with 8 differents channels.

Now I am trying to upgrade ... (more)

269
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1

## ANT Time Synchronization Example Understanding

Hello,

could you please explain how the time synchronization works?

What does the function sd_ant_time_sync_broadcast_tx(...) do? Does it include the rtc value of the transmitter into the message that is sent to the receiver when the transmitter sends the message ... (more)

184
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1

## nrf5144 ANT+ two network can't work at same time

I am using the nrf51422 with softdevice 5144_2.0.1 , I set two network number using the "sd_ant_network_address_set" api , network number 0 for ANT+ cadence/heardrate.. network number 1 for shinamo di2 . I assign di2 channel to network number 1 ... (more)

39
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## What are the repercussions, if the Firmware goes into bootloader mode with a SoftReset and without graceful shutdown?

I'm using a nrf51422 customised board. I want to push the firmware to Bootloader mode via ANTware using a payload. But if i use graceful shutdown, the application malfunctions. If I use a NVIC Softreset after sending the payload ... (more)

133
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1
vote
1

## nRF52 + ANT + example problem

Hi there,

I'm new to the nRF52 and to ANT, so I'm in the process of running through some of the example code. I've been able to successfully run peripheral and BLE examples. However, I haven't ... (more)

289
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1
vote
1

## When the Nordic nrf51422 board goes in system off state (sd_power_system_off), is there a way to wake it up using an external ANT payload?

I am trying the ANT-OTA DFU Update using an ANT Stick and the nr51422 pca 10028 boarde and s210 soft device. My firmware makes use of sd_power_system_off(). If I have an update available, is it possible to wake up the ... (more)

#### Statistics

• Total users: 16445
• Latest user: Gretta Arnett
• Resolved questions: 8579
• Total questions: 20015

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