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'm trying the example border router using 2 x nRF52840 boards one with CLI and the other with NCP connected to a PI. I can get ipv6 addresses and get them to ping each other...
Hi, I am trying to control an Omnivision Camera module using the nRF51822 EK. The module uses their proprietary SCCB protocol, which is very similar to I2C. However, there...
I am now using 52832 to do a project, need to send a BLE broadcast package first, and then start scan, what examples can I refer to?
Attachment is my TX/RX process，and...
Hello,
I always observe 4.0xxV from the li-po battery attached after when thingy52 stopped charging.
I think this problem maybe because of output current from the battery...
On our project we're using a Raspberry Pi 3 compute module with custom hardware and 2x nRF51 SoC running HCI from Zephyr.
We'll be delivering more than 150 of those devices...
Hello! Can I use one of the gpio pin as power source directly for other MC on my board (hx711 - ADC with current consumption in normal mode 1.5ma (from datasheet)). I understand...
Hello, long story short:
You now must use write request instead of write to write the CCCD descriptor.
Allegedly (according to a nordic employee) both types...
Hello,
We are currently designing the hardware for a production run of our product using the nrf52832 chip and would still like to have debugging capabilities with breakpoints...
I'm using an NRF51822 with soft device s110 version 7.1.0 and I'm having timer-related issues.
I create 1 periodic timer and 6 non-periodic (single shot) timers with app_timer_create...
Hello guys,
Hope someone can help me here. I am working with the NRF52 and want to use Zephyr . I am able to flash it. Using the nrf52 as periphal does not cause problems...
Hi,
I'm using SDK13.
I'm tring to save big size data (about 10KB) into flash when received them with 20 bytes pieces.
I called fds_record_write() in NUS's data handler...
Hi, I'm new to wireshark, and I want to filter all those empty pdus, they make it really hard for me to find the useful packets.
I tried btle.lendgth != 0, but got an error...
So I'm basing this off of the ble_app_hrs that initially has heart rates service and battery service. I want to create my own custom service andcopied the project to use as...
