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 implement a Heart Rate Monitor Interface (HRMI) board with my nRF52, using the TWI_sensor example from SDK 12.2. I am running into trouble Writing...
Setting up an example of the problem
As I promised in this thread , I have been testing out the ADC on the nRF51822 and trying to see how quickly I can sample per minute...
I'm using FDS in SDK 11.0.0 on a nRF52832. I was having some trouble with freeing flash storage and after doing some research I came across this post and I applied this patch...
Hello,
There is a bug in pstorage.c from SDK which can cause that module to fail to complete a flash operation. The problem is that the pstorage_sys_evt_handler function...
The product spec says "This event will also be generated if the supply voltage is already below VPOF at the time the POF is enabled" but it seems like the event is not generated...
I have a BLE device that is using Nordic SDK 8.1 and uses PWM to control an LED. Now I want to turn the led off with PWM. To do this I set the duty cycle to 0 and printed...
Hi,
I'm working on nrf51822 with soft device s130. I'm trying to send a data packets from the nRF51822 over BLE to an android device.
I want to know how much data...
Hi!
I try to create a custom service. To do that I copied the ble_bas service and followed this guide.
You can see my init function here:
#define APP_UUID {{ 0xC0...
Hi. I'm using nRF51822AC, SDK12.2.0, S130 as central and peripheral.
Q1. What's "sd_ble_uuid_vs_add" function? is it for setting service UUID?
Q2. If Q1 yes, how to change...
I was reading a review of this product from a 3th party and they was claiming that a disadvantage about using this chip is that "Some peripherals and resources are not available...
SDK: 13.0.0.0-1.alpha
example ： ble_app_hrs_freertos
I am developing a product, referring to the “ble_app_hrs_freertos” example, when I tested my functions found a serious...
I've just tried to update the mbed firmware on an nRF52-DK to version 0219, and have hit some problems. Firstly, after dragging the .bin file into the Bootloader drive, my...
I've had a sequene of problems attempting to install the power profiler software on my Lenovo T420 Win7 64 bit machine.
First Issue
When attempting to run the python_packages...
I would like to pick up audio signal with a microphone for ex. AKU340, then use audio codec to digitize it, then save the output in a SD card connected to the nrf52, reading...
