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 have written a code which transmits data over BLE.
The board was getting reset.
What we changed is instead of sending application data we sent the RESETREAS register...
Hi,
I'm trying to change the MAC address of nrf52, using softdevice s132_nrf52_3.1.0 but we dont have sd_ble_gap_address_get() and sd_ble_gap_address_set() APIs in "ble_gap...
We are having a random current leakage problem with our nRF51822 based board. Normally, our board and the application consumes around 10 uA of current. However, too often...
For example, I have the following code:
bool interruptFlag;
void interruptHanler(void)
{
interruptFlag = true;
}
void main(void)
{
while (true)
{
if (interruptFlag...
Hi
Has anyone been able to write to the UICR NFCPINS register?
I am using the following code and it i get a cpu reset
/*=============================================...
I am facing problem to connect my computer with another devices. when i am trying to connect it with another devices, it not show on another devices. So please help me to...
Hi, Nordic
When I use nrfutil dfu ble, it shows:
File "D:\Program Files\Python27\lib\site-packages\nordicsemi\dfu\dfu_transport_ble.py", line 226, in open
target_device_addr...
Documentation specifies levels of security mode 1, and first level means that connection is without any encryption. But how it is possible? Every connection starts with pairing...
Hi,
I have modified my files as mentioned here . When I upload the package, the template device show and I am able to connect. But when I subscribe to the notification...
I'm trying to find out if drawing more than 70mA through the PPK will damage it.
As I have a beeper on my custom board that can draw 200mA, and I'm concerned that attaching...
I have 6 RGB LED strips and I would like to control them by Raspberry PI. 6 strips with 3 colors each require 18 controllable PWM sources, so I have SN3218 which is exactly...
Hi all,
I'm new to nRF51822 and I'm trying to use the fds system.
However, I always get a NO MEM return code when calling the init method.
Any hint?
Thanks
This is my code，the problem is when cpu executed the __WFI() instruct it should be paused ,this means that NRF_LOG_INFO("wake up\r\n") should not been executed only after...
