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 want a Mesh solution with gateway which is able to connect Amazon Web services(AWS) via MQTT.
6LoWPAN mesh network based on IEEE 802.15.4.
Mesh devices can be...
I'm looking into a project that needs to have BLE to communicate with a user and a mesh network to communicate with multiple data gathering nodes connected by 2.4GHz RF links...
Hi,
I am using nrf52832 for my application. The application share same SPI module for two sensors(with sensors are selected using two chip select pins). Is it possible...
Hello ,
following are my requirements :
to create a secure bootloader which checks app validity at every boot .
the boot loader should also accept UART communication...
I have an Eddystone beacon from minewtech...i've downloaded the nRF connect app onto my android tablet and i can connect to the beacon. the problem is that it's not "taking...
On the nRF51822 Is it possible to check the battery level using the on-board AD, software connected internally, avoiding external resistor divider.
If not what is the best...
Hello,
I've been trying to migrate a project from the nrf51822 that uses s110 7.1.0 softdevice to the nrf52832 s132 1.0.0.3 alpha softdevice. I had to change some given...
How can I found out my NRF51's device Address? (with Softdevice using Random static address?)
Does Softdevice has any API for fetching my device's BLE Address?
As I...
I'm looking at the sequence diagrams for the secure bootloader, and I'm confused about the response procedure opcode for Packet Receipt Notifications (PRN). From the diagram...
Hi
for a new project I need to combine bluetooth with 2G/4G cellular communication, and augmented positioning, meaning we want to use cell tower, GPS and scanning of Wifi...
hai
i want to store a struct contains two elements . can i store it in flash using pstorage....?
if so how can i do that.........?
or
can i store a two dimensional...
I want at s132 use RT-Thread RTOS,but I see arm_startup_nrf52.s file defined Stack_Size and Heap_Size 8K, can define Heap_Size = 0? reduce the Stack_Size (such as 4K)?
so...
