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, we are trying to use a uart while minimizing power consumption. On this post
https://devzone.nordicsemi.com/f/nordic-q-a/26030/how-to-reach-nrf52840-uarte-current...
Hi,
I am evaluating the nRF52840-DK and wanted to add some debug code to the UART.
I have used the same libraries as the 'UART_PCA10056 (which works), but when the code...
Hi,
I'm using SDK5 V16 with the NRF52dk. I'm writing a SPI <-> BLE <-> USB I/O chain and am still kinda stumped by the SPI. All the examples work just fine, but when I look...
We seem to be having an issue on several Android devices, where reconnecting sometimes triggers an erroneous GATT_INSUF_AUTHORIZATION. This then causes Android to automatically...
Hello,
I am currently trying to get a project working that uses FDS, but I am having trouble getting the writing and updating working.
The peripherals in my project...
I am trying to use the BluetoothLeScannerCompat for Android library and have the following problem:
At Github I find:
BluetoothLeScannerCompat scanner = BluetoothLeScannerCompat...
I'm looking for a recommendation on how to simply connect 2 radios to implement a remote switch for a fan.
I'm interested in using Zephyr to begin learning to use it. I...
Hi Support,
Since iBasis eSIM card does not support roaming in my country I got an eSIM of Emnify https://www.emnify.com/m2m-iot-coverage. The company's promises are to...
Hi Folks,
I am looking for a high level abstraction layer project as mbeb API which implement the S140 Softdevice stack.
Do you have any repo to suggest? The mbed api...
Hi Devzone:
It's really hard to piece together all the informations so I guess I will seek help here.
I need help choosing the location of one page flash storage for my...
Hi there, Until todayI had no problem programming/controlling my nrf52832 on my custom board. Suddenly Im getting segmentation fault whenever I try to communicate with the...
I am developing an nRF52832 application requiring two separate quadrature encoders interfaces. The included nrfx QDEC driver would work just fine and it would save me a lot...
I have the following statements throughout my code.
printk("Temperature(BMP280): %3.2f %s\r\n",tempFloat,tempUnitsCentigrade?"C":"F");
I would like the format %3.2f...
Hello, I am using the nrf52840 board and SDK(sdk_v15.3.0 and formesh_v3.20).
I have tried to transfer the vendor model status message to the client from the server.
Following...
