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 Dev Team,
I am building an application wherein I need to send commands from the Cloud to a Thingy91 device. I tried out the cloud_client sample and I was able to send...
I have seen this problem posted several times in these forums but none of the existing solutions sit right with me.
I have an NRF52840 (using a UBlox BMD-340 dev board...
Hi Dev Team,
I have an application wherein I am publishing my sensor data every hour through MQTT using a Thingy91.
I am storing my sensor data value in a JSON format...
Hi,
I am trying to implement protobuf for my application. I have seen that nano-pb library is there in SDK file. I want to use it in BLE-UART communication. How to do with...
Hello,
I am using RFX2411N RF amplifier in my hardware design. I chose nRF52832 as an MCU. In nRF52832 datasheet, it is mentioned that the pins from P0.22 to P0.31 have...
Hi,
We are currently developing a Zigbee network based on nRF52840.
One of our devices was specially designed to contain 8 endpoints. But when an active ep request is...
Hi,
I'm using the BLE_app_interactive example as a starting point for my prototype (with SDK_17.0.2 and SoftDevice s132 ). I am using nRF52DK to read and write data from...
Hi
Im trying connect two peripheral devices through UART
The example project I used is "examples/peripheral/uart"
But i trace the code, it seems that the driver layer...
Hello,
I've been using nrfx UARTE driver on the nrf5 15.2.0 SDK on a nrf52832 and nrf52840 SoC and noticed that during the boot-up the first byte being sent is 0xFF.
Is...
Can I remove resistor R29 (ENCHG) on the ADP536 to disable the charging function and plug my 3.3V supply into the battery connector?
i.e. use the ADP536 for the power management...
I am working on zigbee network.
I have seen that there is an event for network joining but could not find any event for network disconnection.
If I want to check that...
I'm trying to get LPCOMP working in Zephyr.
I'm getting the following error:
error: 'NRFX_LPCOMP_DEFAULT_CONFIG' undeclared (first use in this function)
I can see that...
Hi, Can anyone explain what the "receiver address correlation" from 2.4GHz Radio documentation means in practice? For example, what can I do as a BLE application developer...
For various reasons we need to remove the dfu bootloader to use our custom bootloader. We replace the Nordic bootloader with a temporary one that does the clean-up for us...
