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 Nordic DevZone,
While trying to recover nrf52832 chip using command nrfjprog -f nrf52 --recover, I received the following error: Recovering device. This operation...
Hi ,
The following problem is happening in my case with old android devices. I found your answer from other thread.
"The phone first sends a LL_VERSION_IND and then it...
Now I use sdk15.2.0 hrs project to add the spim.
the mode of the spi is timer+ppi+spi.
question:1.I can't enter the led_timer_handler on time;2.I can't get the right data...
Dear All,
I am trying to use the external crystal as the source clock of the softdevice, as well as of the rtc. I am not sure if all this is possible and because I am...
Hello, I am trying to use PWM in the simple coap client example. Unfortunately the PWM is not working, I do not get any signal on the output pins. If I remove the line with...
I am currently involved with a project using the nrf52840. Page 96 of the Product Specification document (4413_417 v1.1) shows the electrical specifications for the HFXO....
Hi,
The datasheet of nRF52832 says operating temperature (TA) as -40 to 85DegC and storage temperature as -40 to 125DegC. Please confirm whether the IC can be operated beyond...
Hello,
I am working on nRF52832 having SDK 15.3.0, Windows 10 and Segger Studio IDE.
My query is, i want to restrict my nRF board connection to a particular custom application...
I am using Ubuntu 16.04. I have installed NRF CONNECT for desktop. Once I try to launch BLE app, it's loading forever. Can someone help me with this?
Here's the screenshot...
Hi there, in my project I use nrf52840 and coap server/client relationship so the question is can I receive multiple messages at the same time on the server? I found some...
I've searched the history of devzone and see there was already a similar question for different type of microcontroller and the answer was to contact representative of Nordic...
HI,
We are developing a 2d -3d mouse with nRF5_SDK_14.2.0_17b948a "ble_app_hids_mouse" application.
For knowing the battery discharge rate of our product we are trying...
Hi,
For my application I need to combine the NUS example with the aes crypto codes.
I am encountering lot of errors while doing so. I noticed that aes code has a lot of...
Hi All
I am considering nRF9160 (ARM Cortex M33). How can I trace the systems calls or instructions using ETM? Can I store the traces on the device (in a trace buffer) and...