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 saw in some post smart Bluetooth can have 7 active device. I would like to know what is the maximum number of Bluetooth devices i can pair up in sleep mode? i am doing a...
Hi,
I'm using SDK v17.0.2 on my nRF52840-based board. I have implemented buttonless secure OTA reflash and it generally works. When I get the NRF_PWR_MGMT_EVT_PREPARE_DFU...
We have some dev code where the workflow is as follows:
1. an engineering version of firmware is loadded to target. The target is erased then programmed in the normal way...
Hello,
I am using nRF9160 dk for prepare a program to I2C scanning for address. Can any one give a guide for start this task. Moreover, I am using Zephyr kernel on nRF9160dk...
Hello,
I want to read external accelerometer on nrf9160dk using I2C. But when I connect SDA and SCL pins of sensor to nrf91, there is no output.
The Code is:
When...
I am trying to set the UUID definitions for the Windows Application Bluetooth Low Energy 3.0.0. The only doc availible is for v2.3.1.
I tried to follow the following steps...
I'm using nRF SDK 12.2.0 and the corresponding soft device. I control a I2C slave for which I use the TWI peripheral through the driver implemented in nrf_drv_twi.c. It happens...
Hi,
I trying to enable Hardware Key for mcuboot.
I do the following at mcuboot.conf
CONFIG_BOOT_HW_KEY =y
But I got the following error:
Do I miss something...
Hello, I test SAADC on nRF52810, when I short gound to AIN0, the output is 0 normally, and when I add nothing to Pin I0(AIN0), the output is around 1056(Figure0), however...
I'm using nrf52833 on custom board.
And I need to using RESET pin to GPIO for battery charging detection.
I found CONFIG_GPIO_AS_PINRESET is configuration RESET pin...
Hi,
This may be a basic question. I'm using NRF52840 DK and I'm trying to print some logs from timer callback function, however I havent been successful so far. Here is...
Hi all,
I am using nrf52840 with zephyr
The below link puts device in bootloader mode but with pressing button
I want to do it without pressing button
https://devzone...
Hi All,
I just recently updated to a Mac w/ Apple M1 silicon and am struggling to get my (previously working) scripts to work w/o error.
Specifically, this command/error...
