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...
I am working on adapting a project that compiles/flashes the code with a makefile that uses nrfjprog in a cmd line to program a blank nrf52480 with the softdevice and application...
Hi all
In nRF52840_PS Pin assignments sheet, some pins Recommended usage is " Standard drive, low frequency I/O only ", does that mean only low frequency (up to 10kHz...
Hi,
I am writing an application that reads data from the I2S interface, adds it to a queue and sends it via BLE (the code I have implemented so far is added at the end of...
Hello,
I am using the 802_15_4 MAC api to configure my device as a coordinator.
After it has been configured as a coordinator I want another device to connect to it...
I am using nRF52805(SDK 17.0.1 & S112) in my application development. Designed GATT Table Having some custom services with read, write & notify properties, And also, there...
I am testing advertising mechanism of nRF52832 device. But the following error occurred.
app: sd_power_system_off() failed, errCode=0x2006
The following is log messages...
It appears that an incorrect value is being used as the reset handler address so that the jump from bootloader to application is to the wrong address.
I am porting a bootloader...
I can not program the NRF52840 with the programmer software on windows 8.1. However when I run a virtual machine in oracle virtual box using windows 10 it works. I would rather...
Hi all
I have two units, one acts as Central and the other one acts as Peripheral.
I erase chip of one of the units, and then always failed to pairing, with a BT_SECURITY_ERR_PIN_OR_KEY_MISSING...
Hi,
I'm writing an app that creates a CSR, has it signed by a (web-)server and subsequently uses it to authenticate to another (mqtt-)server. For the CSR generation and...
I am trying to port a project to an NRF52810. The project uses a bootloader with a modified transport to work with a proprietary RF protocol. The bootloader/app works on the...
II have a question on how to automatically activate the change from “minimum BLE advertising interval” to “maximum BLE advertising interval” after (for instance) 30 seconds...
I'm unable to use the PSA crypto methods when OpenThread is enabled on NCS 1.9.1. Linking fails with undefined references to PSA crypto methods.
To reproduce, us the nrf...
hi，
i have just to develop an appilcation with NCS 1.9.1 of nrf52840. Now I have tried to activate DFU and I had to realize that the image size is too large（490k without...
