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17
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no
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1
answer
Last activity 2017-05-28 21:12:20 +0200 by endnode

Antenna for the beacon

Hi,

Is it possible to add additional antenna on the beacon ( NRF51) in order to increase the range ?

If yes kindly let me know the list of available or recommended antenna for this purpose.

11
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no
votes
no
answers
Last activity 2017-05-28 19:35:39 +0200 by Remi

nrf52 sdk12 custom service full example

Does anyone have a full working example of adding a custom service to a project?

The official BLE Services, a beginner's tutorial is out of date.

I'm using SDK 12 & dev board PCA10040.

It seems like devices that ... (more)

49
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no
votes
1
answer
Last activity 2017-05-28 18:35:32 +0200 by Artem Efremov

Error when programming a custom board using nRF52-DK

Dear colleagues,

I am trying to erase / program the custom board ( with nRF52832 SoC installed) using nRF52-DK. The setup looks like that:

nRF52-DK Custom / External Board

VDD ------+-------------> VDD

VTG ----+/

GND ------------------------> GND

GND DETECT -----/

SWD IO -----------------> SWD IO

SWD CLK ----------------> SWD ...

(more)

29
views
no
votes
2
answers
Last activity 2017-05-28 18:02:28 +0200 by endnode

BLE Relay concurrently issue

Hello i am using BLE Relay example with softdevices 132 and sdk version 13. i make this example simple, no more connection. just adverting and scanning continuously. here is scan parameters.with these parameters i am losing packet.

#define SCAN_INTERVAL ...
(more)

35
views
no
votes
1
answer
Last activity 2017-05-28 14:42:38 +0200 by pawan_v61

is nrf52 dk support 3 wire spi interface

hello i am new to spi, i am doing project on 3 wire spi interface. I am using 3 wire interface as Sclk,ssn,MOSI pins only , I am not using MISO pin .I am tested spi example code but ... (more)

26
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no
votes
1
answer
Last activity 2017-05-28 07:42:54 +0200 by Carsten Wulff

Battery_level_error

Hello ,I work with the sdk 12, I have a program to contoler the level of battery, it works, except that I recode 3870 mV (with USB) and when I measure the pin VDD I find 2.88. I do ... (more)

14
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no
votes
1
answer
Last activity 2017-05-28 02:32:00 +0200 by endnode

Gazell nRF51822

Does the s210 softdevice not function on the nRF51822? I see it available for the nRF51422 here but it is listed under the 51422 only.

I have a v1.1.0 PCA10031 (nrf51422) and have written an LED blink example ... (more)

10
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no
votes
no
answers
Last activity 2017-05-27 23:21:37 +0200 by gidjit

Is Zephyr I2c Master Supported pca10040

Just want to confirm I can be i2c master with zephyr rtos for nrf52 pca10040.

In link (https://devzone.nordicsemi.com/blogs/...) titled "nRF5x support within the Zephyr Project RTOS"

Device Drivers

"Broad range of external sensor drivers for common ... (more)

25
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no
votes
1
answer
Last activity 2017-05-27 21:03:49 +0200 by Carsten Wulff

SAADC,NRF52832,How to calculata accurate sampling interval

void saadc_init(void)
{
NVIC_EnableIRQ(SAADC_IRQn);
NVIC_ClearPendingIRQ(SAADC_IRQn);
NRF_SAADC->RESOLUTION = SAADC_RESOLUTION_VAL_10bit;

// Configure the SAADC channel with AIN0 (P0.02) as positive input, no negative input(single ended).
NRF_SAADC->CH[0].PSELP = SAADC_CH_PSELP_PSELP_AnalogInput0 << SAADC_CH_PSELP_PSELP_Pos;
NRF_SAADC->CH[0].PSELN = SAADC_CH_PSELN_PSELN_NC << SAADC_CH_PSELN_PSELN_Pos;

NRF_SAADC->CH ...
(more)

14
views
no
votes
1
answer
Last activity 2017-05-27 20:51:50 +0200 by endnode

Throughput of ble_app_uart

Hi,

I plan to design a system of 51822 that includes 1 center and 2 devices. And 8K Bytes data should be transmited from each device to the center per second simultaneously.

I used ble_app_uart demo to test the throughput ... (more)

12
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no
votes
no
answers
Last activity 2017-05-27 16:03:46 +0200 by myjtag

Unable to program the NRF51422 using J-link

Hi The j-link detects the chip, but for not obvious reason the j-link and keil will trough an error when I want to program the chip, here is the j-link out put. do you have any idea?

Load "C:\Users ...

(more)

14
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no
votes
no
answers
Last activity 2017-05-27 13:29:08 +0200 by vineeshvs flag of India

Problem logging into Nordic site

Is there a problem logging into Nordic site ?

I have tried resetting my password and it doesn't seem to work. Had posted a question in the this thread earlier

17
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no
votes
no
answers
Last activity 2017-05-27 12:12:53 +0200 by ffreturn

[nrf52832][S132 4.0.2] application can not start normally in merged hex (SD+APP+BL)

I am beginner of 52832. Current software is based S132 4.0.2 and SDK 13.0.0. Test platform is based on PCA10040.0

My problem is application can not start normally in merged hex. Merged hex means softdevice ... (more)

32
views
no
votes
1
answer
Last activity 2017-05-27 11:09:23 +0200 by endnode

About Uart Uprade Program

Hello, I want to know about the, can nrf5188 via a serial port upgrade program

15
views
no
votes
1
answer
Last activity 2017-05-27 11:05:54 +0200 by endnode

S132 v4.0.2 - How to disable DLE or force LL_UNKNOWN_RSP?

Using S132 v4.0.2, is it possible to disable DLE (i.e. make it NOT set the LE Data Packet Length Extension used bit in the LL_FEATURE_RSP)?

Alternatively, is there a way to force S132 v4.0.2 to ... (more)

42
views
no
votes
no
answers
Last activity 2017-05-27 11:02:56 +0200 by hhuseyin

nrf52 Bootloader_secure_ble

Hello, I am using nrf52 with sdk 13.0.0. Bootloader_secure_ble gives error while compiling. What should I do ?

        Error[Lt009]: Inconsistent wchar_t size 
        micro_ecc_lib_uECC.c.o(micro_ecc_lib_nrf52.a) has wchar_t size 16 bits 
        app_error_weak.o and 66 other objects ...
(more)

31
views
no
votes
1
answer
Last activity 2017-05-27 10:01:09 +0200 by endnode

How to reduce the RAM requirement of the SoftDevice

Hi, All!

I am using nRF51822QFAA with 16KB ram, and S130(sdk 11) for the dual bank bootloader, reference to the s130 releasenote, I config the ram memory start at 0x200013d0, length 0x2c30 for my application.

Because I use the ... (more)

11
views
no
votes
no
answers
Last activity 2017-05-27 06:11:03 +0200 by tabrown

packets out of order nRF24L0+

Hi, I am wondering why, sometimes, I get an odd packet out of order on the receiver. It is very random, it can occur at anytime, though usually it takes a minute or two. Testing shows that it does not ... (more)

10
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no
votes
no
answers
Last activity 2017-05-27 06:08:09 +0200 by tabrown

nRF24L0+ CRC

Hi, the datasheet for the nRF24L0+ says that the CRC is the mandatory error detection mechanism in the packet (page 28). Being that CRC can be enabled or disabled via EN_CRC in the CONFIG register, what does 'mandatory' mean?

There ... (more)

8
views
no
votes
no
answers
Last activity 2017-05-27 05:08:12 +0200 by tabrown

nRF24L0 packets out of order [closed]

Hi, I am using a two nRF24L0+'s.

One for TX and one for RX. Transmitting in one direction only. There is sometimes a packet arriving out of order. Every minute or two. for example the 14th packet will come ... (more)

11
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no
votes
no
answers
Last activity 2017-05-27 00:27:00 +0200 by kmorris

Hang on BLE connect - custom service SDK13 migration

I'm migrating from SDK11 to SDK13. My custom service is based off Heart Rate Service, so I started from the new SDK13 example of HRS, and updated all the initialization code following the new example.

Changed: ble_cg.common_cg.vs_uuid__cfg ... (more)

19
views
no
votes
1
answer
Last activity 2017-05-26 23:51:12 +0200 by Carsten Wulff

SAADC Limit Monitoring

Hello,

I'm writing an application that uses the SAADC and would like to set up a high limit to trigger on.

If I use the following code, I'm able to trigger 1 ADC sample successfully:

errCode = nrf_drv_saadc_buffer_convert( &adcValue ...
(more)

20
views
no
votes
1
answer
Last activity 2017-05-26 22:27:08 +0200 by endnode

SDK13 and NRF_SD_BLE_API_VERSION

Hi all,

I was trying to test the SDK13 ble_connectivity example being able to compile it when the NRF_SD_BLE_API_VERSION == 4, but it seems like there are not pc-ble-driver API available to deal with.

If I change the NRF_SD_BLE_API_VERSION == 3 it ... (more)

9
views
no
votes
no
answers
Last activity 2017-05-26 21:57:04 +0200 by djseo

JLinkARM DLL issue

Hello,

I have a nrf51DK board with the following setup in my Ubuntu14.04 machine:

$ nrfjprog -v

nrfjprog version: 9.4.0

JLinkARM.dll version: 6.14h

When trying to program through Segger, I keep getting the following error:

ERROR ...

(more)

20
views
no
votes
1
answer
Last activity 2017-05-26 19:10:25 +0200 by Petter Myhre flag of Norway

[MCP] How can "BLE_GAP_EVT_SEC_INFO_REQUEST" occur?

Hi.

Using PCApp/MCP(v 3.10.0.14), How can "BLE_GAP_EVT_SEC_INFO_REQUEST" occur?

Or will not it occur?

If it occurs, please tell me how to do it.

Thank.

34
views
no
votes
1
answer
Last activity 2017-05-26 19:05:37 +0200 by Petter Myhre flag of Norway

how to enable and disable softdevice s110 as based my customization

hi, i need to do long process and more flow of functionality that all could stopped by softdevice. so i need to enable and disable soft device. could it could affect my timer2, RTC1,UART0,Pstorage_nosd.c?

please help me any one

20
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no
votes
no
answers
Last activity 2017-05-26 18:55:09 +0200 by Petter Myhre flag of Norway

pstorage erase and read and write with sofdevice issue

hi

here i have use block size 16 byte and block count 5096. this is my start address 0x27000

i have tried to clear 79 pages.

and read data from flash with specific block.

write data to flash memory.

it ... (more)

17
views
no
votes
1
answer
Last activity 2017-05-26 17:53:36 +0200 by endnode

NRF52832-CIAA-R7 symbol & footprint

Hi ,

Where can I find NRF52832-CIAA-R7 footprint & symbol?

49
views
1
vote
2
answers
Last activity 2017-05-26 17:44:08 +0200 by endnode

Ideas of why this may happen? printf makes my code work o.O

Hello to all

I have the next code, basically what it does is reading a button state and if it is pressed then the manufacturer data of the BLE package is lets say B, on the contrary when the button ... (more)

17
views
no
votes
1
answer
Last activity 2017-05-26 17:35:46 +0200 by Borden

Always reconnect after peers deleted

Hi community,

I'm working on a BLE gamepad with custom board based on 51802 and s130, code modified from ble_app_hids_keyboard. The gamepad works like a charm on my Android phone, but I found there's a strange problem with ... (more)

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