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nRF UART App error 0

Hi, i use anRF51822 with soft device 7. I run the UART app on my iPhone 4s with ios7 and on the nrf51822 board the ble_app_uart with keil uVision5. Both devices connected...
- s110
- bluetooth low energy
- uart
- keil
- nrf51822
- nordic
1727 views

0 replies

Started over 10 years ago
by max
Not Answered
nRFgo Studio will not launch after upgrading to 1.17.0 0

Hello, I upgraded nRFgo Studio software to version 1.17.0. Installation goes OK but the application crashes every time I try to launch it after installation process.. Then...
- nrf51822 nrfgo
953 views

0 replies

Started over 10 years ago
by Archie
Not Answered
Error when send data from ios to nRF51822 0

Hi, i tried to send data from ios 7 via tx_characteristics(like in UART example) but received error: didWriteValueForCharacteristic 2A38 error = Error Domain=CBErrorDomain...
- s110
- bluetooth low energy
- io
- nrf51822
858 views

0 replies

Started over 10 years ago
by max
Not Answered
Help Setting up Eclipse IDE w/ JLinkGDB on Mac OSX 0

I have been trying for a few days now to get my environment setup for development with the nRF51822. Since there is no official configuration for the Mac w/ Eclipse I have...
- eclipse
- nrf51822
1358 views

0 replies

Started over 10 years ago
by Scott Piette
Not Answered

Answers are losing spaces 0

Apologies if this has been asked before but did search for 'format' in faq and got nothing. I have been answering to questions. In my answer I place hard empty lines....

451 views

0 replies

Started over 10 years ago
by Mahendra Tailor

Recent in Nordic blog

Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017
The KEY POINT of example "ble_app_uart"

QQ645116977

This article baed on "pca10040", nRF52832 example code path "examples/ble_peripheral/ble_app_uart" IMPORTANT!!!! board config file of this example located in "components/boards/pca10040.h" and uart…
- 12 Dec 2017