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...
.HEX file of bootloader in below directory C:\nRF51_SDK_8.1.0_b6ed55f\examples\dfu\bootloader\pca10028\dual_bank_ble_s110\armgcc_build
have not covert in zip file by nrf_utility...
We have an odd one here. We have a single nRF51822 (QFAC) board that is acting odd. None of the other boards exhibits this behavior. They program perfectly. 3.3v supply is...
I have been having two issues (possibly related) with the RX pin of the nRF52 DK (PCA10036) using the ble_app_uart example. I have been trying to characterize the problem...
Hi all,
In my application, I take mac address of chip and make major, minor value (device 's ID) and I need mac address is a constant value. As I know, mac address is a...
because license is so expensive, I'm converting my project to OSX GNU
I'm solving problems step by step..
and there is error that I couldn't understand.
Anyone can...
Is there any way to control BLE shield 2.1 from PC rather than android / iOS app.
Also if i pass any message to BT dongle how to check the received messages.
And in...
infocenter.nordicsemi.com/index.jsp
I see a debouncing filter in the block diagram of NRF52 preview DK. Isnt debouncing implemented in software? So why need a HW debouncing...
Hi all,
I have two kinds of NRF24LE1 devices(A and B), and I want to realize that one device_A can communicate with 10 device_Bs at the same time. To explain it in detail...
I would like to use 3 PWM for controling RGBs. I use a softdevice because I want to control the pwm trough the MCP. But for now I just want to get it work to initialize these...
whether linux and bluez implemnted the simultaneous master and slave connections......?
or is it part of link layer only..?
does this feature need kernel support or not...
In the NRF51822 reference manual, the debug interface mode initiation routine is described as follow:
150 clock cycles with SWDIO=1.
I have already verified that a standard...
Hi,
I am wondering about the Cumulative crank revs for service 0x1816 & 0x1818
Cycling Cadence and Speed, Cycling Power Services
I dont understand why the crank revs...
Hi Guys,
I have a MCU RTOS project. in Hardware board, builtin Nodic BLE chip over UART,RTOS BLE stack works fine.
We also have a MCU RTOS Emulator based on Qemu,we...
