To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hello,
I am trying to load ble_app_beacon code provided in nordic sdk to redbear lab's ble nano. I am using sdk version 8.0.0 and soft device(s110) version 6.2.1 .
I am...
If BLE device is sleeping,is link layer connection terminated or the link layer connection is still valid..?
if it is valid..how the master will know about the sleeping periods...
Hi all.
Consumption current increases by about 1.5 mA after a battery check.
uint8_t battery_start(void)
{
// Configure ADC
NRF_ADC->INTENSET = ADC_INTENSET_END_Msk;...
Hi all!
My project is depend on the "ble_app_template",which uses the "scheld structure", I am able to read the data from app but not able to send my data with notification...
I have a question about that code, when I test my code with lightblue, it showed me that there is an service called application notification client service, but it didn't...
I'm using GPIOTE library to check the change of two switch inputs.
Normally it works well, but rarely GPIOTE_IRQHandler become never happen even if the pin level changes...
Hi Nordics!
I am using app_pwm.c file in SDK 8.1, and when I use it with softdevice(advertising or data transfer event), sometimes pwm signal is reversed.
I guess, reversed...
Hi Guys,
I am using a the 350Mhz Analog Oscilloscope HM303-6 www.hameg.com/hm303-6.0.html to measure the voltage utilised by the board when it is transmitting data.
...
Hi,
Once I enter into BLE mode I am not able to read any gpios(nrf_gpio_pin_read) also I am not able to set any gpios (nrf_gpio_pin_set).
Below is my example
uint8_t...
I'm trying to establish a bond in my project and then perform service discovery, however the discovery is returning the BUSY error.
I tried to wait for the events according...
In SDK 8.0 the bare word asm was re-introduced in nrf_delay.h , causing failures in compilations that use strict C/C++ standard conformance flags. This was noted in earlier...
Hello Developers
I have to solve a problem for which I could not find much information about online, so I am hoping you guys can help me.
I am developing a WIN32 application...
Hello, For some reason the Ble App Uart is not working on my PC anymore. I have gone over Nordic tutorial again however, the LED doesnt blink and I cant detec the device on...
Hi,
What are the general causes of SDS assert in nrf51/52 ? Assuming that SW has been tested, is there something that could happen in the code that would cause the assertion...