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 followed the DevAcademy lesson on WiFi FOTA with AWS IoT, with some modifications to work with my board.
The device correctly connects to the AWS mqtt server and published...
Hi,
I succeeded in implementing Channel sounding for multiple devices (based on previous samples). But now there is a little difference in how the data gets collected (buffer...
Dear,
I’m experiencing an issue with performing DFU over BLE Mesh. I have a setup with one node acting as provisioner and distributor. This node has a new image loaded ...
I'm trying to flash a custom board (schematics in this ticket - Schematic/Layout review request ) using a Jlink EDU mini and keep running into an error message saying it's...
I'm having some trouble with the discovery module. The way the service I'm connecting to has the same UUID for the Bluetooth LE service as for its characteristic. I get this...
Hi all,
Has anyone implemented an MQTT client on an 54L15 before? I have been searching the web and I have not seen a sample program or anyone talking about MQTT with 54L15...
I'm developing a small IoT device that needs to retrieve and transmit its location upon pressing a button. While testing the modem using AT commands, I can consistently retrieve...
I'm trying to convert some code from ESP32 to nRF, and I'm having problems with the microphone input. Mind you, I'm a beginner with nRF, so I'm sure I'm missing something...
Hello Team,
I have flashed the bap_unicast_server bluetooth sample on my nRF5340 Audio DK. No build or flash errors. When I connect to my phone it connects properly. I'm...
I am trying to adapt lesson 9 (FOTA over Wi-Fi) exercise 7 of the DevAcademy nRF Connect SDK Intermediate course. I am trying to adapt it to work with nrf52840 connected to...
Hi, I am using two nRF54L15 DKs running THroughput samples.
The result of coded s8 is 52kbps, which is close to the theory number.
When I change to S2 code, the result...
Hi, my code will return ATT error code: 0x0E cyclically
I have check some tickets and try to update my central device to
Hoever, it still cannot, the error is like...
Hello,
I've been working on a project involving an IMU and bluetooth for a while, and had been using the IMU (LSM6DSO) on polling mode. Unfortunately, I found out that I...
Performance on hardware (cc3xx) is significantly slower than performance on software (oberon). Does anyone have a good explanation for this? I have also tested ECDSA and can...
Dear DevZone,
While reviewing the implementation of x509_crt_verify_chain() in C:\ncs\v2.9.1\modules\crypto\mbedtls\library\x509_crt.c , I noticed that certificate expiration...
