Nordic Q&A

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Not Answered
what facter will influence the speed of sending data 0

when use sd_ble_gatts_hvx() send data must need 300ms what facter will influence the speed of sending data ,please help me ,thank you very much
- 10040 nrf52832 s132
902 views

0 replies

Started over 9 years ago
by happykelvin
Not Answered
nRF52: OneWire HDMI CEC 0

Hey, I just want to know if anybody sucessfully connected HDMI CEC (One-Wire bus) with the nRF52832. I would be very grateful if anybody could share the library or give...
- nrf52
- one-wire
2073 views

0 replies

Started over 9 years ago
by Sorrow91
Not Answered

How to save data to flash before system power-off ? 0

As the tittle,can anyone tell me how to save data to the flash with nRF51822 ? I use SDK9.0.0 and S110. before I turn off my machine, I want to save several parameters to...

1267 views

0 replies

Started over 9 years ago
by LIANGTAO
Not Answered

BLE_DB_DISCOVERY_ERROR in SDK13, s132, nRF52, central role 0

I use example from SDK 13 ble_app_uart_c. I changed uuid to my uuid from nrf51 peripherial device. I get event BLE_GAP_EVT_CONNECTED where made err_code = ble_db_discovery_start...

1055 views

0 replies

Started over 9 years ago
by Mikhail
Not Answered
How to run OTA on BLE Nano 0

dear all, i need your help. Where we are: We use mbed software developer platform. We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear. We are able to generate...
- ble nano ota dfu
1318 views

0 replies

Started over 9 years ago
by pargfrieder7
Not Answered
Declaration of en_text_rec in NRF52 NFC Record text Example 0

static void en_record_add(nfc_ndef_msg_desc_t * p_ndef_msg_desc) { /** @snippet [NFC text usage_1] */ uint32_t err_code; static const uint8_t en_payload[] = {'H'...
- 10040 132 nrf52832 s132 nfc
1195 views

0 replies

Started over 9 years ago
by Ramkumar
Not Answered
[nRf52832, LWM2M] in no-security mode can not register LWM2M server 0

Hi: environment: target board: DK52 board and run LWM2M example of IOT-SDK v0.9 router: ubuntu 16.04 on VM and runs bsserver and LWM2M server on ubuntu 16.04 ...
- lwm2m
- nrf52832
1408 views

0 replies

Started over 9 years ago
by pasta

Nordic Support - all public tickets

Not Answered
MPU6050 connected with nrf52840dk : not showing anything on terminal 0

mpu6050 connections vcc-->vdd gnd-->gnd scl-->pin 27 sda-->pin 26 Main.c mpu6050.h mpu6050.c i also tried in putty, but nothing is showing in...
3185 views

13 replies

Latest over 5 years ago
by Karl Ylvisaker
Answered
clock_lf_cfg configuration in SDK15 0

Hi! I have strange behavior. nRF52, SD132 6.0, SDK15 I use RC clock src. nrf_clock_lf_cfg_t const clock_lf_cfg = { .source = NRF_SDH_CLOCK_LF_SRC, .rc_ctiv = NRF_SDH_CLOCK_LF_RC_CTIV...
3044 views

5 replies

Latest over 5 years ago
by yuval
Answered
keep read same characteristic 0

Hi, all I'm using nRF52832 pca10040, s132. I successfully read peripheral characteristic using 'ble_app_uart_c' example. However, I read once only when the connection...
294 views

1 reply

Latest over 5 years ago
by lyrics
Not Answered
Application does not start after OTA DFU 0

Hi, I am struggling to find out why my device will not immediately start my application after an OTA DFU upgrade. I am using buttonless DFU on a custom nrf51822 board...
- application
- s130
- sdk10
- bootloader
- dfu
- nrf51822
2351 views

4 replies

Latest over 5 years ago
by cor10
Not Answered
ErrorS 0

HELLO,All: When using SDK5 From 52840 change to 52833 ,There are some errors,as below: 1.Output/Release/Exe/ble_app_hids_mouse_pca10056_s140.elf section `.init' will not fit...
3002 views

14 replies

Latest over 5 years ago
by wzszzxj
Not Answered
how to use ant &BLE softdevice? 0

HI,Simon: I want to use ANT & BLE in the same chip_nrf52833,how?
1743 views

7 replies

Latest over 5 years ago
by wzszzxj
Suggested Answer
In nrf52833 SDK16 nrf_APP_hid_mouse example,how to make a button(left/right) click event? 0

Hi:All: A: Since I have getten help to make left/right button working well, but I just want to know the dataflow from the button being pressed to released. 1. It means that...
1080 views

4 replies

Latest over 5 years ago
by wzszzxj
Not Answered
What a confusing problem! 0

Hi,All: When i use SDK16 ble_app_hids_mouse example, the computer warns: driver error.But when i use the same dongle with another mouse,it is no problem.It seems the problem...
2264 views

9 replies

Latest over 5 years ago
by wzszzxj
Not Answered
how to disable all interrupt 0

as the topic
1769 views

6 replies

Latest over 5 years ago
by wzszzxj
Not Answered
about optimise 0

Hi,All: As my source code below: that whole "for" statement would be optimised.
551 views

4 replies

Latest over 5 years ago
by wzszzxj
Not Answered
ADC 0

Hi,ALL: how to use adc in ble in SDK16?and what is the differnce between ADC and SAADC?
396 views

2 replies

Latest over 5 years ago
by wzszzxj
Not Answered
how to use timer1/2/3/4? 0

AS the topic
1398 views

7 replies

Latest over 5 years ago
by wzszzxj
Suggested Answer

BLE device auto disconnect and connect reference to video 0

AS topic,I modify it from app_hid_mouse example from 52840 to 52833,and use timer1 to generating frequency 50kHz ,video as blow: but at first pairring and connecting,it...

577 views

2 replies

Latest over 5 years ago
by wzszzxj
Suggested Answer
No BLE device founfd 0

CHip:52840 Flash Assign:softdevice S140 0x00000000-0x0026000 Ram 0x20000000-0x20003000 SDK v15.3 0x0026000-0x00800000 Ram 0x20003000-0x40000000 example: ble_app_hids_mouse...
7233 views

22 replies

Latest over 5 years ago
by wzszzxj
Answered
From NRF52 SES Flash Placement File (.xml) to GNU Linker script file (.ld) 0

Hello, I want to migrate from Segger project to gnu arm gcc project. I Segger's project, I have add several RAM memory regions in flash_placement.xml. Now want to move...
2479 views

4 replies

Latest over 5 years ago
by KRD