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...
Hi,
I'm using an evaluation board with nRF52811 for a smart home device project, which the user can see the distance between his smartphone and the peripheral, calculated...
Hi Team,
1. Is there any tool to generate the ECC Key(Public & Private) pair for validating digital signature things. So that we can use the same and we will implement the...
How do i change the baud rate for the serial LTE modem interface, changing the baudrate in the ~\ncs\v1.2.0\nrf\applications\serial_lte_modem\nrf9160dk_nrf9160ns.overlay has...
I am looking at using a customized version of ESB on the nRF52 where there will be multiple remote devices that share a time period to transmit to a central node (no ACKs...
Hello,
I've been evaluating the speed of nrfjprog vs JLinkExe to flash multiple devices and found out that i could use JLinkExe with .jlink scripts to save roughly 50% of...
Hi,
I work with nRF52832 module. i want to interface two i2c functions.
1. EEPROM - SCL - P0.06 SDA - P0.07 -> i check with this separately its working.
2. TLV493D...
i was trying to upload the hex file in nrf51 sensor tag using nrf52840 DK but when i connect board with nrf connect desktop its saw me error like this "ERROR Could not fetch...
I'm moving a project from pca10056 to pca10059. When programming the pca10059 via the JLink Edu Programmer, the application uploads fine, however it hangs entering debug and...
Hi,
I'm using NRF52832 with SDK15 and Mesh 4.0. I am also testing on Generic On Off examples.
I want to send status messages from a node to the provisioner (app). I can...
We have an application where we want it to go to sleep, but still check things periodically, retain registers, and whatnot; and as such power-on is a good fit. However, it...
Hi. I am developing a custom application which interfaces with FStorage constantly. I have run into a peculiar situation in testing where the speed of writing to FStorage...
I bought the device NRF52840 and tried to put the hex code through USB connected to power button.
The HRM hex supposed to blink the LED1 for broadcasting but it doesnt do...
In nRF52840 SYSTEM OFF mode, would the comparator still be functional in either Single-Ended or Differential Mode?
My thought is to wake up the nRF52840 system using an...
I'm working on a design with an nRF52810_CAAA WLCS package. Routing the GPIO is pretty tight and I'm wondering whether it's safe to route a GPIO line across the unused DCC...
I have so many versions of this topic that I now am certain that most of the answers provided are wrong. Since you cannot have so many ways of connecting an external nrf device...