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...
Hello Supporter,
I am Using NRF51822 QFAC .
My probleme after uploading DFU ,SOFTDEVICE AND APPLICATION .device always in DFU mode and also when try to upload new application...
Hello Supporter,
I have NRF51822 QFAC having 256kb ROM,32kb RAM.
now i want to upload all three things DFU,SOFTDEVICE,and APPLICATION .when i upload SOFTDEVICE and APPLUICATION...
Getting ready to go into production with our custom nRF52832 board, we need the board to start running our application immediately after being flashed. Using:
nrfjprog version...
Hi all,
I want to add 5 characteristic to my custom service . But when I add 2 characteristic , it worked fine . When I add 3 characteristic ,In funtion sd_ble_gatts_characteristic_add...
Hi,
I am trying to read data from a temperature sensor, but i'm stuck at the twi read operation. i have already interfaced the sensor with esp32 and is working fine. please...
Hi,
I have a really really dumb question but I will ask ...
Is there any impact regarding the orientation of an IFA antenna?
Everywhere, in all examples, we can see...
Hello everyone,
I'm trying to implement the bootloader from SDK v14.2 on the nRF52840, SD v5.0.0 s132 (using our board and app).
For my testing, I erase the whole flash...
Hi Forum,
i've started the development of an custom service on a nrf51822 with s110.
The Service contains 4 Characteristics where notifications are enabled.
At the...
I have a custom dongle that connects to the PC through a USB-UART chip. It is based on the nRF51822. I have another board based on the nRF52832. This board needs to be able...
Hi,
I am building a device to act as an iBeacon, with other services layered on top. This is based on a Raspberry Pi with a Class 1 USB Bluetooth dongle.
I need to be...
Hi everyone, I'm working on the nrf51822 QFAAH I tried to flash the ble_app_uart example and it didn't work. So I debug it and it stops here
As you can see in the picture...
I am working on app_uart and buttonless_dfu. Although i am getting certain errors which i am unable to counter.
.\_build\nrf52832_xxaa.axf: Error: L6218E: Undefined symbol...
I have 32x64 RGB LED Matrix, and I want to use nrf52 to control it. I got the driver working and I can display everything. It is a time interrupt driven driver, just redraws...
So I just got my nRF52_DK, got everything installed and compiled an uploaded the blinky example. Fine. I had my custom PCB ready, and got the 52832 soldered in straight away...
Hi, I am a newbie to embedded development. I am well versed with java script. I am under the impression nordic allows you to communicate with java script to the development...