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Last activity 2017-05-30 12:41:12 +0200 by purgoufr

How to create a whitelist on the Central device

I want to create a whitelist on the Central device. Because there is a lot of peripheral devices around and I just want to connect one peripheral device. First I register the address of the central device to the peripheral ... (more)

13
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no
votes
no
answers
Last activity 2017-05-26 08:58:35 +0200 by Nik

iOS Device show Peripheral Name as DFUTarg after Doing DFU ?

Hello,

I am able to get NRFtoolbox dfu code work for iOS 10.3. and now able to perform the DFU on BLE device.

But when I perform the DFU its GAP name changes from Beam to DFUTarg and it ... (more)

24
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no
votes
no
answers
Last activity 2017-05-25 02:49:03 +0200 by Chae

ble_app_uart packet not sent more than 278 packets [closed]

Hello, Help me, please.

I am testing ble_app_uart. Softdevice is S130 and SDK is nRF5_SDK_12.2.0_f012efa.

My development board is Waveshare's NRF51822 Eval Kit.

When I test the ble_app_uart firmware, I cannot send more than 278 packets to ... (more)

28
views
4
votes
1
answer
Last activity 2017-05-23 10:40:39 +0200 by Petter Myhre flag of Norway

Interaction between sd_ble_gap_adv_start and sd_ble_gap_scan_start?

Hi everyone,

I'm using a custom wrapper (https://github.com/sandeepmistry/ardu...) with softdevice S130 v2.0.1. I've extended the wrapper to allow simultaneous advertising and scanning, by calling both sd_ble_gap_adv_start and sd_ble_gap_scan_start.

This works as intended ... (more)

35
views
1
vote
no
answers
Last activity 2017-05-18 21:50:58 +0200 by Murilo

Using the SDK 11 with NRF6310

Hello, I'm working with the NRF6310 Motherboard and play with it a little with SDK 6.1, but i want to create profiles with the Bluetooth Developer Studio, so I started using the SDK 11.0 and test with ... (more)

36
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no
votes
1
answer
Last activity 2017-05-15 23:34:22 +0200 by sid

Bluetooth stops working after integrating ble_nus service

Hello developers, I am trying to integrate ADC, TWI based MPU6050 for accelrometer with ble_nus service for data transmission. The ADC and MPU6050 works perfect but once I integrate ble_nus the code compiles but my NRF51 DK does not advertise ... (more)

116
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no
votes
1
answer
Last activity 2017-05-08 15:33:13 +0200 by Ulrich Myhre flag of Norway

HCI interface

Is there a HCI interface according to BT-SIG requirements?

106
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1
vote
1
answer
Last activity 2017-05-08 08:18:18 +0200 by gimc

Softdevice vs non-Softdevice

Hi,

I would like to know which is the difference between using a Softdevice or not.

Looking at the blinky example, the two versions are provided. The "main.c" file is the same for both and the only different files ... (more)

45
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no
votes
1
answer
Last activity 2017-05-07 06:29:49 +0200 by RK flag of Singapore

How Can I limit Gatt Data bytes that I write? (Not With Zero-Fill)

I created an characteristic that has MAX_Length = 20 Bytes characteristic.

And When I'm trying to write less than 20bytes on this Characteristic, It Always send with 20Bytes with Zero filled data bytes.

For example, I'd like to write ... (more)

27
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no
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no
answers
Last activity 2017-05-05 13:09:28 +0200 by Mikhail

sporadic hardfault on nRF51822 SDK9 S130

Sporadic program restart from main. I suppose, it is hardfault exception. How can I catch it?

Check pls my memory settings. ROM: start- 0x1c000 size 0x23000 RAM: start- 0x200028000 size 0x5800

stack and heap I changed to 1024 for each ... (more)

43
views
2
votes
1
answer
Last activity 2017-05-03 05:22:32 +0200 by RK flag of Singapore

In GATT Packet transfer, is there occurs any packet loss and retrial?

In GATT Packet transfer, is there occurs any packet loss and retrial?

I'm trying to connect about -90 Rssi dBm peripheral device with my nRF51-dk.

In this far range, does it may occur with packet loss in this far ... (more)

143
views
3
votes
3
answers
Last activity 2017-05-02 11:20:19 +0200 by acha

SAADC callback

I have this working and producing good and accurate results, but I'm still puzzled by some of the examples in the SDK and the documentation.

I am using the processor to call for the saadc sample (i.e, not ... (more)

53
views
1
vote
no
answers
Last activity 2017-04-26 11:29:07 +0200 by normanfust

nrf51822 not advertising

Hello, I am using an nrf51822 but have no success in advertising. I tried so far to load the ble_app_template from the peripheral examples where I' ve only changed

 #define APP_ADV_INTERVAL                10
 #define APP_ADV_TIMEOUT_IN_SECONDS      0

I tried to load another ... (more)

24
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no
votes
1
answer
Last activity 2017-04-21 16:30:15 +0200 by run_ar

How to read 0x1801 gerneric attribute service in iOS ?

Hi,

I have changed in my services so I have added 0x2A05 (service changed) characteristic in my 0x1801 service. But I am not able to read the service.

In didDiscoverServices I have below code.

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError ...
(more)

137
views
1
vote
1
answer
Last activity 2017-04-19 12:55:41 +0200 by ToTo

high current in System off [closed]

I don't understand why i have a current consumption of 0.535mA in system off. In my soft i use PWM, SPI a Button,, I put all things off before i go to system off but still not understanding ... (more)

35
views
1
vote
1
answer
Last activity 2017-04-11 08:31:07 +0200 by Jørgen Holmefjord flag of Norway

Do I have any restriction with HW Pinout Peripheral when using s130?

if I use softdevice 130 Enabled, then do I have any restriction with using all of the pinout of NRF51xxx?

Or if I use Nrf-51 DK, Do I have any restriction with nrf 51xxx's full pinout functionality?

To Make ... (more)

223
views
2
votes
1
answer
Last activity 2017-04-08 12:37:25 +0200 by endnode

Can I get BLE Other Signal Indicator not just RSSI?

I'd like to collect other device's Signal information for more delicate communication.

For example, Some Peripheral device which is just next to Smartphone (which can interfere signal -> RSSI value changes capriciously) might be scanned by central, but it ... (more)

58
views
1
vote
1
answer
Last activity 2017-04-05 05:32:59 +0200 by Daniel T. Lee

does UART is interrupted by BLE SEQUENCE?

Q0. What IRQ Priority does BLE Has? and also what IRQ Priority does UART can have?

I'm guessing that from s130's document P65, Exception Model, It says,
Softdevice Timing Critical has Cortex M0 priority 0,
Application Interrupt priority ...

(more)

63
views
1
vote
1
answer
Last activity 2017-03-31 17:15:54 +0200 by Prasad

Data base discovery fails for vendor specific service when DFU included

Edit 1

To narrow down I did this... Below is ble_dfu_init() from ble_dfu.c.

uint32_t ble_dfu_init(ble_dfu_t * p_dfu, const ble_dfu_init_t * p_dfu_init)
{
    uint32_t      err_code;
    ble_uuid_t    ble_uuid;
    ble_uuid128_t nus_base_uuid = BLE_DFU_BASE_UUID;

    VERIFY_PARAM_NOT_NULL(p_dfu);
    VERIFY_PARAM_NOT_NULL(p_dfu_init);

    p_m_dfu = p_dfu; // TODO: find a nicer solution to ...
(more)

71
views
no
votes
1
answer
Last activity 2017-03-28 13:17:37 +0200 by Kristin flag of Norway

nrf51822 advertising packet not detected

Hi,

I would like to ask your support for a very unusual problem that I'm facing with a project based on nrf51822.

The board under test is based on nrf51822, SDK12.1, softdevice S130. The nordic example used for ... (more)

51
views
3
votes
1
answer
Last activity 2017-03-28 11:29:56 +0200 by run_ar

How can I enable gatt_cccd notification automatically?

I've searched for enabling notification, but there are some points that I can't understand.

GATT characteristic attributes and characteristic cccd values are dedicated to GATT_S.

Q1. To Enable my GATT_S characteristic notification, which device is responsible for enabling ... (more)

62
views
3
votes
1
answer
Last activity 2017-03-28 09:56:55 +0200 by Prasad

HardFault_Handler() called when NRF_LOG_ENABLED is disabled

In my application when I disable NRF_LOG_ENABLED, HardFault_Handler() is getting called. To debug this issue I defined a HardFault_Handler() in my code and inserted a break point in it. Below is the backtrace

#0  HardFault_Handler () at main.c:165
#1 ...
(more)

45
views
no
votes
1
answer
Last activity 2017-03-26 16:43:57 +0200 by endnode

How to fetch peer's base uuid?

Hi experts,

I have just tried lbs example. I saw in the ble_lbs_c.h, the base uuid and service uuid are defined for the peripheral peers who are going to be connected. However, if I don't know these uuids ... (more)

50
views
no
votes
1
answer
Last activity 2017-03-22 11:02:26 +0200 by Jørgen Holmefjord flag of Norway

Beacon and Central

Good afternoon.

I have 2 boards NRF51:

  • One as beacon (SDK 9), use example code "nRF51_SDK_9.0.0\examples\ble_peripheral\ble_app_beacon".

  • The other as central (SDK10, softdevice s130), use example code "nRF5_SDK_10.0.0\examples\ble_central\ble_app_uart_c" to read beacons ...

(more)

60
views
no
votes
no
answers
Last activity 2017-03-22 10:54:04 +0200 by Hung Bui

Bonding issue in SDK11 with ANCS

Hi I am using SDK11 with S130, NRF51822 that using ANCS and facing bonding problems after reach the max bonds. Reference to nRF51-ble-peripheral-bond-handling example, I use the ble_app_ancs_c project example and add app_bond.c and app_bond.h to the project ... (more)

86
views
4
votes
1
answer
Last activity 2017-03-20 13:56:34 +0200 by Kristin flag of Norway

Does SoftDevice S130 V.2 have limitation in L2CAP_MTU size by 23 bytes?

Hello,

I want to clarify one thing related to the limitaion in SoftDevice S130 V.1 of L2CAP_MTU size by 23 bytes. Is any way to extended it?

Because I see that changes BLE_L2CAP_MTU_DEF higher than 23 follows that sd_ble_l2cap_tx ... (more)

66
views
1
vote
1
answer
Last activity 2017-03-20 11:09:37 +0200 by endnode

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

How can I found out my NRF51's device Address? (with Softdevice using Random static address?)

Does Softdevice has any API for fetching my device's BLE Address?

As I Know, default Softdevice address has Random static address, and It ... (more)

62
views
1
vote
1
answer
Last activity 2017-03-15 09:44:11 +0200 by Daniel T. Lee

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

How to save data persistently(non-volatile) to nRF51 core not effected by powering off and on?

(How to save static data persistently without deleted when the core is turned off and on?)

I think there is some kind of an ... (more)

120
views
no
votes
1
answer
Last activity 2017-03-14 20:26:03 +0200 by endnode

Communication between nrf52

hi, i was looking for example of two nrf52 communication. One is central of course and other one is peripheral. But i have following doubts. 1. If one is central then how peripheral device will connect to central? Are we ... (more)

131
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1
vote
no
answers
Last activity 2017-03-14 12:00:08 +0200 by max

SDK12.2 nrf_delay_us 32MHz

Hi,

I use nrf51822 with HF XTAL Frequency of 32 MHz

I am migrating from SDK9 S110 to SDK 12.2 S130 and have a problem that the code stop on nrf_delay_us.

#ifndef CLOCK_ENABLED
#define CLOCK_ENABLED 1
#endif
#if  CLOCK_ENABLED ...
(more)

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