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...
Hi all,
I find a problem when testing the ANCS program. It seems that after you connect the device with ANCS with an iphone, you cannot connect the device with another iphone...
I built the ble_app_proximity project and down load into my board, it can advertise and can connected by the lightblue and the nRF toolbox, But i sent the hex value of 0x02...
I can get right value when I chose QDEC_SAMPLEPER_SAMPLEPER_512us in slow application ,but in my application my max data rate is more than 2k, so the QDEC value is less than...
Hi,
I am currently working on a project with nRF52 preview DK.
In my system, an ECG chip is used to measure the heart rate and the data will be transferred back to nRF52...
Hi,
I have a number of products with nRF905 successfully deployed. Now, I am in a little struggle with a new one. The problem is the signal strength. The other products...
I'm trying to add a feature where my peripheral will temporarily trigger a Faster Connection Parameter for a period of time determined by an app_timer. However it seems that...
Hello Nordic Devzone.:
When studying the 8.0 BLE Central multilink example (s120 softdevice), I looked into the component relevant to button pressing interrupts, app_button...
How do I use the NRF51 or 52 to create a GATT server with read only service without requiring bonding? Basically I want to be able to provide more data than advertising allows...
I can not connect to one of my beacons, i need to reset its config, but HW way.
Can i reset it somehow?
It is nRF 51822 based, sensoro 4AA. I asked sensoro 3 days ago...
Hi Nordic guys,
we are using uart for communication with another MCU and flow control is used.
Beside the uart communication itself we have out of band signals (on gpio...
Dear Nordic.
I have used to nrf51822 custom device. I confused it because of Uart RX data.
The master device sends blow raw data to client device(nrf51822 custom device...
I'm trying to compile a program on mbed for a BLE Nano, which uses the nRF51822. I've included the nRF51822 library by Team Nordic that's listed on mbed's library wizard and...
Hello
i am trying to upgrade from sdk 9 to sdk 10 .zip version but after installing when i open some examples it asking me to install arm cmsis 4.5. pack and device family...
Hi can anyone guide me in configuring the peripherals of nrf51822 before putting the chip into sleep? For example, timer, i/o pins, etc... which is not needed to reduce the...
Hello, please help me to find nRF52 datasheet, in which are recommended WLCSP footprint, and of course schematic drawing of this module. In your Dev Zone I found only QFN...