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 used to able to get the blinky example in SDK11 to work. But for some unknown reason I couldn't scan my device using Nordic master control panel. The LED1 will be turned...
Can the nRF52 output the 32.768kHz clock on a GPIO. If so, do I need the 32.768kHz xtal, or can I output the generated clock from the 32MHz xtal? I need this clock to sync...
Hi
Yesterday I downloaded the new SDK12 and checked what changes could be relevant for my ongoing/next projects.
One remarkable thing was the fact that almost any peer...
Hello,
I'm trying to upgrade the application on my board via OTA DFU but it seems to fail if the app file is greater than 64KB:
DFU fails with my app which is 70kB and...
Hello!
I want to connect the MCP9808 with the nrf52832. Therefor I use i2C.
My example on the nrf52832 is the:
<nRF5_SDK_v11_0_0 folder>\examples\ble_peripheral\experimental_ble_app_eddystone...
Hi , I am using nRF51822 as a ble_peripheral to send the sensor data to the phone. I already add a characteristic with the property of notify , and it could work when using...
Hello,
I've been working with the SPI Slave on a nRF51-DK for several days. I am using the nRF51-DK (PCA10028), S130 v1.0.0 and SDK v10.0.0. First, I set up a RX and TX...
D:\nRF51822\mergehex.exe --merge D:\nRF51822\s110_nrf51822_7.0.0_softdevice.hex _build\ble_app_hrs_s110_xxaa.hex --output hrs.hex
I am doing it.But one of the files to...
hi i am working on nRF51822 chip, trying to flash code using keil IDE through STLink debugger. which i have attached image . while flashing the code it is showing Flash is...
I have a peripheral that pairs to a central and establishes a connection (without bonding) without any trouble. When I disconnect the central (e.g. cutting power to the central...
Hello All,
For the S120 softdevice active scanner, it appears that when ADV_IND is received and a scan request/response exchange occurs there will be two BLE_GAP_EVT_ADV_REPORT...
Hi,
I am getting the NRF_ERROR_INVALID_STATE error when I call dm_security_setup_req in my security timer timeout handler. The function's description says I'll get this...
Hi,
I would like to store firmware version number at a particular offset from the application start address so that it can be retrieved by boot loader as explained here...
