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'd like to know how to turn off or on shockburst feature.
After I set auto ack & retry count, Tx successful interrupt occurs, even though receiver device is in...
I'm migrating an app from SDK8 to SDK11 and I'm getting errors using TWI to communicate with my IMU (Invensense 9250). I first tried it on a nRF52 DK (Eng B) and then went...
I've either got a bug in my code or the JLINK connection is dying. Either way it's a real headache to pinpoint and discover how to resolve. Knowing more about extracting info...
Hi, Now I use the NRF51822 ADC to sample VCC , 1.2V internal reference，internal prescaling 1/3.The PCB connection show as the pictrue .My application develop base on soft...
Hi,
I would like to make some measurements via I2C in radio_notification_evt_handler. Unfortunately, after executing a random number of measurements, the advertising stops...
I'm trying to make a BLE device that actually pairs securely. I posted this question on StackOverflow but didn't get any answers - maybe someone here knows more. As far as...
Hi,
I am wondering which frequency tolerance is acceptable for the HFXO, as in the product specification, p.105, a maximum value of +/- 40 ppm for Bluetooth low energy...
I am using a PCA10036 board, and the UART app library in SDK 0.9.2. I have sequestered all of my UART functions into one module. To keep things organized, I would prefer not...
Hi,
we integrated in a board design the one of the nRF51822 proposed by Nordic. It is written on the chip:
N51822
CEAAO1
1401AA
I can flash my board using...
I am writing a python app that uses the nRF51 dongle and the s130 SoftDevice. I need to pair with a peripheral that uses a fixed passkey. Is there a python implementation...
I'm trying to add authentication with a key acquired Out-of-Band to a Peripheral BLE device in which I already have non-MITM bonding working. I'm using the Peer Manager module...
Hi ,
Am using NRF52 ,S132 SoftDevice
I have a simple Question, How can I know is any device already bonded or not to my peripheral ??
I need to show an option "Delete...
