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...
We have an application where we have a large number of sensors, some relay nodes and one or more gateways. The sensors and relay nodes are provisioned by the gateways and...
Hi, I can normally log with NRF_LOG_INFO(). But if i enable softdevice (bluetooth stack init) logging stops working. Interesting part is that there are several log lines before...
BLE Control by Main CPU (MCU):
1. How the MCU communicates with BLE HW?
2. What is the amount of MCU performance is required to control the BLE? (expected answer example...
Hi nordic.
I use SDK 14.20 and nrf52840 board and s332 softdevice.
Our app has to use ant+ and ble.
My device connect with app.
App requests device to ant+ scanning...
hi guys:
When I was using mesh sdk, there was an error in compiling.
I use examples\light_switch\server\light_switch_server_nrf52832_xxAA_s132_6_0_0.emProject
I am...
Hi,
I am using SDK 14.2 -> BLE peripheral proximity example. I was trying to add a custom service and some characteristics to this proximity example. I basically took the...
Hi, I have two strange problems regarding the NRF_LOG. 1. In a for loop, char string that has changed is not printed out as what it contains now, it is printed out as what...
Hi,
i have purchased the following module
However, after connecting the VCC and GND to 3.3v DC supply the module is not detected. My questions are :-
Does...
how to slove it
1> Linking light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0.elf 1> build/light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0_Debug/obj/ses_nrf52840_Vectors...
I am using the nRF52832.
I want to go to sleep in absolute lowest power mode possible that still allows a timer for wakeup. Using LFINT.
I don't need ram retension, etc...
Code example: nRF5_SDK_15.2.0_9412b96\examples\peripheral\usbd_ble_uart_freertos
Board: custom board with nRF52840
What are the fastest and easiest steps to make this...
Hello,
I am trying to code nRF52840- DK with MAX30003 ECG Board Using SPI. I have referred Arduino Uno Code for MAX30003 ECG.
I need some help for Driver Development if...
Hi,
Is there a way to dynamically disable only the fork of a PPI channel or should I go through disable-free-alloc-assign sequence?
Will nrfx_ppi_channel_fork_assign...
