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 want to use the nrf24l01+ with the se2436 apmlifier, but the input of the amplifier requires an input of 100ohms balanced, while the nrf24 has a balanced output of 15ohm...
Hello,
I am using following component for my project, 1-nrf51822,2-SDK 11 3-S130, 4-BLE400 board, 5-Keil IDE. I am also using SDK 11.x HID example for my base program....
Hi,
I try to use the nRF sniffer but it doesn't display anything.
System used :
Windows 10 Family x64
Wireshark 2.4.4
Python 2.7.14 (in C\Python27 included in...
When the Softdevice is not enabled, can the nrf_nvic_ functions be used? When I never enable Softdevice but call err_code = sd_nvic_ClearPendingIRQ(RADIO_IRQn) I get error...
I am working with the DK-52 and SDK 14.2. I am generating two PWM signals using the pwm driver.
Everything works as expected on PINS 11 and 12.
If I change pins to 5...
I'm using nRF52832 SDK board with softdevice s132_nrf52_5.0.0 and SDK 14.2.
The program compile without an error. I tested the led and timer separately and these work.
...
Hey all,
I tried to build my project in the Keil µVision IDE.
But everytime I get the same error and I can't figure out where the problem should be.
I searched for the...
I would like to call sd_power_system_off in my error handler. The product is at a stage where occasional errors still occur as the devices are deployed "in the field" for...
We have a custom board solution with an BLE module from Laird, that uses nrf51822 IC, as a gateway. Code was written in Keil and we used SDK v 8.1.0. Originally we didn't...
According to BLUETOOTH SPECIFICATION Version 5.0 | Vol 3, Part G page 2248
Exchange MTU procedure is initiated by the Cilent, and only be initiated once.
But by looking...
Hi,
I'm trying to add the peer manager to my project, following the guidelines at infocenter.nordicsemi.com/index.jsp
I've copied the peer_manager_init() function exactly...
The pm_evt_handler routine handles the event PM_EVT_CONN_SEC_FAILED and lists the following text as comments:
case PM_EVT_CONN_SEC_FAILED:
{
/* Often, when securing...