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,
Is there any battery life calculations for NRF52 and NRF51 (Beacon)?
For example: if TX power of NRF52 is 0 dBm and it broadcast every 5 seconds ? Or with any other...
Hello
I am working with nRF5340 and made the project according to "the first step to build". I want to add some libraries to my project but I can not. The libraries I want...
Hello, I am using MX25R1635FZUIL0 with nrf52 and my device is working with freertos. I have three different tasks using/accessing the flash functions but when i read back...
I use nRF52840 to creat a project. IDE select SEGGER. before everything is normal. when I update the SEGGER TO 5.42 version. i build the same project. there is one error.Please...
Hello, according to the latest nrf5 SDK documentation, the nrfx_gpiote_init function takes no argument, but if I call nrfx_gpiote_init() in a zephyr application, I get the...
To reproduce this problemm Ive added a device to the I2C that does not respond to a read command. The `i2c_read` call first returns `-EOI` (-5) and for every other i2c funcion...
The device nRF52832 cannot connect over SWD and generates the following error.
- Connecting via USB to J-Link device 0 - J-Link firmware: J-Link EDU Mini V1 compiled Apr...
After configuring the options for an nRF project, segger studio cannot create the project by warning me the error: "create_nordic_project.py failed"
The problem seems to...
I'm trying to make MQTT publisher example work using a BMD-340 evaluation board and nRF5 SDK for Thread and Zigbee 4.1.0 . I'm using a Raspberry Pi 3B with a Raspberry Pi...
Hi,
We have been using the MQTT sample code with a few iBasis SIM cards for some time without issue. This week we made a test where the mqtt_disconnect function in the sample...
I got the BLE mesh SDK from: http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF5-SDK-for-Mesh/(language)/eng-GB
I want to develop a mesh gateway to connect...
Dear friends,
We plan to develop a mesh gateway, however, i found the SDK only offered a mesh serial example which based on python, but our platform can't support python...
I have an nrf52832 DK, which when on, constantly obtains and sends accelerometer data from an IMU to whatever BT device it is connected to. I also have an nrf52840 Bluetooth...
Hi,
I just want to add SPI to my BLE project to read some data from my gyro , but after spi's addition, the code doesn't work normally anymore. I print a log in the cycle...
