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...
Hello
I am trying to do BLE communication using nRF52832. I wrote the exact same program on a module (BLENano2) with the same nRF52832 chip, but one was able to do BLE...
Hi.
- Is it the case that before every write to persistent storage via nrf_fstorage_write, the page written to has to be erased first (via nrf_fstorage_erase) since only...
I have used nrf51Dk with nrfPPK before some days now trying to flash nrf51DK but its not detecting any board I tried to recover but not recovering it I have already added...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image.
1) For Secure Serial bootloader in below path, I want to change Tx...
Respected sir/mam,
Our system interfaced with nRF51422 and code is developed by S310 ( path :- nRF5 SDK 9.0.0 -> examples->multiprotocol ->ble_ant_app_hrm -> pca10028->S310...
Hi Devzone!
I'm using saadc to receive the value from analog sensor.
The power consumption is quite high so I wanna set the saadc's iteration cycle to 1 hour. Once...
Hi All,
I have a problem when enabling the NFC tag t2t with the soft device S140 with 52840.
I can run the NFC example project 'nRF5_SDK_15.3.0_59ac345\examples\nfc\record_urlrecord_url...
Hello,
I tried to build the SDK ble_app_beacon example for nRF51 using SES. SES version I used is V4.12 (for Windows 64 bit) and SDK version is 12.3.0.
I closely followed...
Hello,
Background:
I am using nRF52832 with SDK 15.3, SES v4.12. I want to perform OTA updates on the application i am building but i am having issues with it. I was using...
I'm not sure how often the Cortex-M4(F) design from ARM is updated, but what is version used in Nordic nRF52810/52832 devices? I want to know what ARM documentation version...
I can successfully download an image using nrfutil dfu serial when I use a test image (compiling the bootloader with the Nordic default public key) and the application starts...
Hi,
My requirement is to validate the PCA10040 dev board with a different set of UART pins. I have tried the following steps, but as soon as I start the firmware, it crashes...
Hello, I am new to BLE development and RF design. I've been doing as much reading as I can about RF design rules for PCB's, antenna performance, etc. Yet I am still uncertain...
I am trying to get a BMX160 working over SPI. I was following this post to make this code using the SPI example from the SDK as a basis. I am using SDK 15.3 with a nRF52840...
The app is foreground -> I am very easily connected with BLE device.
The app is in the background -> I get the callback and connect with the BLE device
The app is removed...
