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,
I am using one of peripheral examples ble_app_hids_keyboard from nordic SDK for understanding the re connection mechanism. I am using nrfConnect app. I have a few questions...
I am trying to use app_timer library with the provisioner example but I get this linker error.
The multiple definition error is due to nrf_nvic_state being present in...
Hi,
By taking a look at the source code in https://github.com/NordicSemiconductor/pc-nrfconnect-rssi.git, I found the following patch file under fw/src/usbd.patch. It mentions...
We use nRF52840-PDK (PCA10056) with MCU revision Q1AAAA. Given example of secured DFU bootloader (s140) works good. Then we changed MCU on this board to the MCU with Q1AAC0...
Hi to all,
i am working on a project that in it i want use nrf51822 as a peripheral device. i implemented a code but i have a problem, central(cc2540) and peripheral(nrf51822...
Hi,
I am trying to write 16bit, 16Khz, 2 channel PCM data to I2S. nRF52840 DK board is connected to speaker via I2S player/decoder board. I am able to hear audio but it...
How can I determine the correct value pull-up resistor to be used on the TWIM port?
The nRF52832 reference documentation mention an internal 13k pull-up however I've always...
I would like to create a program that was a mix of ble_app_multilink_central and peripheral_temperature. The program would work as follows: when the button1 of central is...
I am trying to migrate a blocking SPI transfer code to a non-blocking SPI Manager schedule call. I have 16 transfers queued up in one transaction.
When I launch it, the...
What is the best way to advertise a custom service and allow BLE connections from a mobile device in a Mesh SDK version 2.0.1 application. Previously I had an application...
Initially I had a project in Mesh 1.0. Everything (provisioning, send&receive) was working fine.
Since upgrade to the Mesh 2.1 there is an issue: provisioning still works...
Hi I've found the documentation around BLE_GAP_TX_POWER_ROLES to be a bit sparse. I was wondering if someone could please give me some more info on them
Three roles have...
I am trying to get the thingy52-mesh-provisioning-demo to work with the SDK for mesh 2.1.1 and nRF5_SDK_15.0.0_a53641a.
I am using the Segger Embedded studio project from...
Hi I'm developing DFU project for my application. I need to have both BLE and UART bootloader. If possible, how can I do that?
Many thanks for the answer
Abele - Ital...
