To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hello,
I send 32 bytes of data in 4 milliseconds via UART. Peripheral sends this to ble_app_uart_c for a certain period of time. But after a very short time there is fatal...
I have 3 boards(1-board is configured with 2 client instance and 2 sever instance acting as control model for own model) (2 - board configured as client and server (control...
We're having thousands of products in the field that require an update to SDK15. We provisioned the bootloader with ample space (0x5000), which amounts to 20480 bytes. The...
Hey,
after playing around with the nRF9160 DK and its TrustZone features i want to share my blog post:
https://www.lobaro.com/using-the-armv8-m-trustzone-with-gcc/
This...
Hi All
As facing some problem during developing multiprotocol project about gazell host and ble. I am using the example project "multiprotocol" and i finished the ble part...
I have seen this question asked before, but no definitive answer given. I have followed the guide for setting up the nRF sniffer and it is able to see the Bluetooth Mesh packets...
Hello. I ’ m looking for Bluetooth product and lucky to find out your website.
Currently we have a project need 3000 pics. But we have some question about the Bluetooth...
Hi evereybody,
Is there any example code to use RTC driver (from SDK 15.3) in order to have several logic timers? I would like to use them to create event to execute timer...
In migrating a project from SDK 14.2.0 to SDK 15.3.0, I've found that one of my drivers has broken. It's a driver for a GPS module and uses SPI. My test for the driver is...
Hi,
DFU update with android ver of nRF Connect working but for IOS ver of nRF Connect not working.
HW: Custom nRF52840
SW: nRF5_SDK_15.2.0_9412b96
demo: (ble_app_buttonless_dfu...
When pin AC13 is configured as an nRESET pin, is an internal pullup enabled? I don't have an external pullup on the pin currently and our reset circuit works so it seems like...
Using the BlueZ Python example in BlueZ /test/example-gatt-server with the dongle nf52840 will fail with " Failed to call gattsExchangeMtuReply (NRF_ERROR_INVALID_PARAM)"...
I have attached the code.
I would like to compare one of the external inputs to an internal reference. Is there anything else to do to make this work? Maybe configure the...
Hi, I'm having trouble transmitting packets with GTS enabled using Nordic's IEEE 802.15.4 MAC library. I don't have an isolated sample app I can post yet so I'll just describe...
I use the example "ble_app_hrs" in the pca10040 dk, and use iphone system app "health" to display the heart-rate.
I tried this in several iPhones(such as iPhone X, XP, 8P...
