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...
I've been using a HC-05 (bluetooth v2.0) to communicate between my Unity-Android app and my Arduino microcontroller. It's working fine, however, if my prototype continues...
Dear all,
I have been working with a nRF51422 device for about two weeks, and everything went good.
This morning, out of nothing, i got this error in IAR: Warning: Stack...
Hi,
I have disabled the reset functionality of SW5 on nrf52840 PDK by giving the following command
" ./nrfjprog --recover -f" as it is mentioned in PDK document.
Now...
Hi Nordic devzone,
I'm wondering if you guys at Nordic are willing to release the source code for the mbed interface binary for the ATSAM3U2C. The current version of this...
Hello
I have a problem with my code implementing BLE NUS peripheral. Program hangs in the function sd_softdevice_enable. I have tried with external oscillator and with internal...
My previous product uses an empty notification to indicate that a bulk transfer is finished. I attempted to send an empty notification but got error code 0x10 (NRF_ERROR_INVALID_FLAGS...
I'm using the pstorage driver on the nRF51 to maintain several NVM variables. The NVM functions correctly and maintains state between power cycles. However, when I reflash...
Hello to all Nordic jedi masters!
I am using the nRF52832 along with SDK v11.0
I want to have the SAADC generate events only when the converted value is above a certain...
Hi all,
I am using a nRF52-DK board to receive data from the USB port using Serial, and transmitting it using ESB to a second board. If I use either Serial or ESB individually...
The latest rev of the product spec (1.1 when this was posted) includes a table on page 77 that indicates that the System OFF draw depends on a wakeup source (e.g. GPIO, NFC...
while i open ble sniffer , it sucessfully recognizes the nrf51822 ble nano but when i press w to open the wireshark, it shows no packets and in the interface list it shows...
Example ble_app_uart compiled in Keil 5 O.K but the resultant HEX file in the build folder is only 34K whereas the hex file in the hex folder is 335k. I followed the tutorial...
Hi Nordic team,
Very impressive demo posted on the blog zone this week! I'm trying to understand the details and sorry if I ask something what would be visible in the source...
