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...
I am using SDK15 , nRF52832 custom board , keil uVISION 5 , ble_app_beacon example.
I am adding timer to the example.
In below code, when I comment out update_vbatt()...
Good afternoon,
I am facing the following issue:
a client application writes to several characteristics (write with no response) I set in my chip, which trigger the execution...
Hello,
We are porting legacy application to the nrf52840. We are using Keil uVision 5.
The legacy code is using some gcc ideas and extensions so we are forced to use...
Hi ， All
I am using nrf52832 SDK12.3.
When the host runs to the discovery service but has not yet discovered the service，the slave power off. The host can no longer connect...
Hi there.
I Tested Example (secure_dfu_ble_s132_pca10040). Fine work.
but I could not find the example code to transfer the firmware.
I need the code to receive...
Hello,
I'm a little bit confused about max datalength that can be read/written in a characteristic.
See attached, a MTU of 64 bytes is negotiated thus 61 bytes available...
hello there! I am working on a project in which two devices(one is central and other is peripheral ) uses Nordic bluetooth controller nRF51822 for connection and data exchange...
I uploaded a sample code into an external nrf51822 module using nrf51-dk as explained by this blog www.instructables.com/.../ . power supply for the external module was from...
Hi
The following ticket explains when I configure pin21 as RESET it will be hardware configured to pull-up internally. https://devzone.nordicsemi.com/f/nordic-q-a/8342/nrf52832...
Hi all,s
I have a couple of nrf52840 boards and i was testing the ble mesh light application. The application works fine, but i changed it so it will periodically set...
Hi, I have tested thingy52-mesh-provisioning-demo in NordicPlaygound on github. It works fine by using a precompiled hex file (via nRFgo Studio) but It doesn't work (light...
Hi, I'm working on enumerating the 52840PDK as a CDC ACM device and I'm running into an issue where it's fully enumerating 80% of the time.
After doing some checking I've...
I'm working with TI's TAS2555 DAC as an audio output driven by the NRF52 via I2S. This DAC requires that the I2S clocks (MCK, SCK, and LRCK) are enabled prior to any data...
I understand that the next version of the mesh SDK will have the GATT proxy implemented. Even after reading the mesh profile specification the following is unclear:
- Is...
Hi,
our product is small tag, size of 70x35mm2.
Plastic covers are welded together and now looks like after welding some HW does not work properly. Flashing is successful...
