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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Hi all.
First I would like to apologize for any mistake because I'm posting first time here.
I'm using Visual Studio Code (VSC) to evaluate the blinky example from nRF5...
I recently had the need to communicate with a device over I2C. I'm using the nRF52 as the master. Everything works fine, but power is a concern. I am putting the processor...
Hello,
I have the same problem as this post . The difference is my SPI is sending out junk instead of stucking. I have tried the solution in the original post but no avail...
We bought 3x nRF52833dk (pca10100). Because the nRF5SDK V16 has only a few pca10100 examples we searched this forum and followed the advice: Change the "Linker->Sections Placement...
Hello,
I'd like to look at the Zigbee network traffic to/from/between IKEA Trådfri devices, but am unable to see any traffic when using nRF Sniffer from Wireshark. Unfortunately...
Hi,
I have an nRF52840 Development Kit, and am trying to control an IKEA Trådfri bulb. I'm following the commands from the SDK documentation , but it feels like they're...
So I'm trying to write a value to a characteristic I have set up as in the code below (figure 1), using the code further below (figure 2).
The sd_ble_gatts_hvx call is coming...
Hello
I would like a suggestion on the best architecture to collect data from multiple sensors in a room. Let me explain my need.
I have a room where we place multiples...
I'm trying to understand how RSSI measurement works.
According to datasheet if I understood correctly I have to issue a " TASKS_RSSISTART " command and wait for the corresponding...
I am using an nRF52840 Dongle to try and connect to a product over Bluetooth and communicate with it. I have been able to open this dongle using nRF Connect Bluetooth Low...
This behavior only occurs when connecting to the phone using the native connection procedure, it does not disconnect when using the nRF Connect app on the phone (Android Pixel...
I am trying to flash a secure DFU bootloader (compiled using my own key), a soft device, and my application using nrfjprog with the intention being to have the application...
I have implemented a bootloader without BLE that simply transfers softdevice/application/bootloader from external flash to the internal flash, performs usual validation and...
Hi,
I want to encrypt the BLE data.
If I understand it right the cryptocell can't encrypt the data sent over BLE automatically, instead the application has to encrypt...