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 all
In development with nRF91 and my application need to using an external flash memory to store the firmware and I try to follow the example this link below.
https...
Hi, I'm developing an application using internal flash memory. I based on flash_fds example to implement this feature. Now I can write and read data from flash. My basic feature...
Hi,
I have a board using an off the shelf nrf52811 module (from raytac). The only things on the board are the recommended 32k crystal with 2x 12pF caps, as well as two...
Hello,
I've been trying to get my call to app_uart_put() to actually place bytes on the TX pin. Interestingly enough, my call to app_uart_get() works fine and is able...
Am currently trying to implement a client UDP socket application with Mbed DTLS using a Pre Shared Key.
PSK and PSK_ID array values are defined as:
static const unsigned...
Hi,
I am using Thingy 91 in Australia, and I have linked Asset Tracker v2 with overlay-lwm2m.conf to communicate with my own LwM2M server, which is running an instance of...
I'm working towards getting an app derived from MQTT Simple to talk to AWS where I both need to validate the hostname via TLS, and also use public/private certificates to...
Several have asked about this basic situation but I have found no definitive answer.
I erased a dongle with a Segger J-link, and compiled the zephyr samples using CONFIG_BOARD_HAS_NRF5_BOOTLOADER...
My set up is nRF52832 with a board very much like the PCA10040. The SDK is version 16.0.0. I am using Segger Embedded Studio version 5.60 and I am using the GCC compiler suite...
My goal is to have my boot loader write a constant value to RAM and have my applicaton read that same location and retrieve that value.
I am using the stock boot loader...
Hello,
I'm creating a BLE project with a couple of custom services. One of my simple characteristics in a service is a string. When is_value_user = false everything works...
Hey! I am starting my studies in the BLE protocol and I would like to send the ZE03 sensor data through the Nordic UART Service (NUS).
The sensor has 9 bits: 8 data bits...
Hi, I have made a 9160 board, below is the schematic diagram :
I donwload this example in it, " ncs\v1.9.1\nrf\applications\serial_lte_modem", and send AT command to test...
My Windows app sends command though Nordic UART service to nrf52832 device. Does nrf52832 need to send ACK to let Windows App knows it has received command?