I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
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...
This is a follow-up to case 327769.
Here is a summary of the original case, with highlights added for the crux of the problem:
Here are the details:
OS: Windows 10...
When running the ECDSA Example from Nordic, the keys are generated successfully. But when I add the code for generating CSR it fails with the error code -134 which bby my...
I need to set the public BLE address for a BLE central role device using an nRF5340.
First attempted creating an additional bluetooth identity , but it appears this is only...
During a review of production firmware I noticed an oddity that should cause a compiler error but it somehow does not.
In C, a function may not be overloaded. There are...
Hi,
My customer is trying to use both UART peripherals on the IC and have VCP on the USB, for a total of 3 “UARTs/COM ports”.
Can the USB be instantiated for VCP? if they...
Hello, I'm currently implementing BLE after I made the NRF51810 custom board. We are testing with the BLE example BLE UART with SDK 17.1.0 VER. The current setting is as follows...
Hi folks,
we're running zephyr v3.6.0 on ublox-anna-b412 module which embeds nRF52833. For our application we need multiple timers enabled next to running ble. When we were...
Hello everyone,
I’m working on an asset tracking project using the nRF9160 as my microcontroller. However, given my limited experience with RF design, I have a few questions...
I have an nRF52840 that is on an Ezurio BL654 module that I have programmed dozens of times during development. Something happened during a recent programming event that caused...
Following the instructions for building chip-tool, I get a build error.
[~/git/connectedhomeip] scripts/examples/gn_build_example.sh examples/chip-tool examples/chip-tool...
Hello, we've successfuly been using SMP to update our peripherals so far. Now we've come upon an issue. If the software has a bug, and the device disconnects or reboots during...
I'm currently using nordic's SDK7.1 to open a device, and I want to use features like GPIOTE, but I don't find SDK7.1 to be as good as GPIOTE as the older SDK. Who has a useful...
Just posting this as new issue since it is still valid and installing the SDK tools again every day sounds a bit drastic.
Error when creating trace: unable to locate db...
Hi, I am using light lightness server example for the testing of DFU OTA over mesh. I have successfully transferred the DFU archive over serial with nRF Util tool and follow...
Hi,
I am trying to implement the ECDH functionality in the TF-M application.
I am referring Crypto: ECDH (nordicsemi.com) and in the build target I see, the example can...
