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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi folks,
I try change blinky code for nRF52810 SoC. I must create own timer. I dont know app_timer example help for me?! I want to do when power on leds on 2 seconds...
Hi All,
I am developing an application in which i am interfacing the nRF52832 with an ADC via SPI.
I am doing channel multiplexing (2 channels) such that when i get data...
I'm aware of the limitations on using "printf" in a non-debug environment, but apparently there must be something similar with sprintf. I'm using it to load a value into a...
Hello,
There's a problem compiling the standard ble_app_uart_pca10040_s132 in Segger Embedded Studio for ARM V3.40. The UART example is straight out of nRF5_SDK_14.2.0_17b948a...
Based on the demonstration video of Thingy , I can have a view on Thingy is changing its color when it is given different command using the apps.
1. As if I want to send...
Hello, I want to include Mesh Serial Example into the Mesh Light Switch example.
The aim is to allow the serial device to listen to the mesh messages.
What is the best...
Hi Everyone
I am using BLE for NORDIC UART SERVICES. I want to update my code via BLE instead of a USB or J-LINK.
How can i upload my code from the Android device to nrf52840...
Hi,
I am working on nRF52840 board using Segger Embedded Studio for ARM 3.34a on windows 7 64 bit setup.
I am trying to bring up UART on my custom board.
So as a first...
I followed test steps mentioned in dfu_quick_start.md file to perform DFU over mesh.
1. Below is the error i am getting while creating DFU package, Please help on this....
Hi,
I am working on nRF52832 board using Segger Embedded Studio for ARM 3.34a on windows 7 64 bit setup.
I am trying to erase page from RAM using "nrf_nvmc_page_erase...
I have a situation with the devices my company builds. From what I understand, they've been designed with a small flaw, which causes them to sometimes get stuck and require...
51822 problem: the device unexpectedly restarted, the current of the device becomes more than 800 ua, and the same as the jlink download current; the software reset current...
Hi
I have been trying the various examples from the SDK with Keil V5.23. Some work, some require changes to IROM1 and IRAM1 before they will run Initially giving an error...