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...
We are looking for a Bluetooth 5.1 indoor positioning solution at precision around 1m.
Could you help figure out which platform/reference design is capable of implementing...
Hi,
I have configured the MQTT simple sample from nordic to send data to our broker, this works just fine at the moment.
I would like to send Json formated data to the...
Hi all,
I was playing around with radio and trying to create interupts for the event_end flag and i've now messed up completely and even without the code i added the chip...
I am working with the PWM driver to drive a stepper motor and I have a couple of doubts about when all the events are generated. My doubts are related to events:
NRF_PWM_EVENT_SEQEND0...
Hi,
I try to implement a disconnection after wrote a characteristic parameter. This byte change the working mode of my systeme.
So user connect, write the field to change...
Hi everyone,
I'm working on a BLE application using nRF52840. This application actually run with nRF SDK15 and we need to upgrade it to SDK16.
I followed Migration guide...
Hi,
We currently have a project that uses nRF52832 in audio. There are currently two questions that need to be confirmed.
first question:
Because other chips on the...
Hi,
The Ai0, and Ai1 inputs can be used as voltage references for COMP feature. Is there a way to use input Ai0/Ai1 as reference voltage for SAADC?
Thanks in advance...
Hello! I need to migrate the loader project from SDK15.3 to 16.0. The SES project parameters are as follows: FLASH_PH_START = 0x0 FLASH_PH_SIZE = 0x80000 RAM_PH_START = 0x20000000...
On a custom board based on nrf52840.
We want to write data on a SD CARD every XX seconds.
We implement this by changig the state of a state_machine at every wakeup from...
Hello, I am working on an application which is freeRTOS based, now I wanted to integrate Glucose sensor app which supports secure connection and bonding. In
ble_evt_handler...
Hello.I want to use the nRF SDK for Mesh,but I don't kown how to use it.I need help.Does the official website provide sample programs? I opened the SDK file, but I don't know...
Hi,
I am using nrf52832 for the beaconing device. The device is working fine, sleep current, wakeup current is normal, transmit cycle is also working fine but the device...
Hello,
I have been working with BLE on the nRF52840 with softdevice 140 and the latest in terms of SDK.
The problem I have run into is with reading the value that has...