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 community,
I am working on IoT device. We want to establish a secure connection therefore we are going to need a secure storage for our private key. I am aware that the...
Worked fine until yesterday. Board turned off with computer, also the power switch on the board was in off position before turned on this morning. Now the debugger circuit...
Hello Nordic Team,
Please, I would like to ask some questions about BLE based smart-phone accessory.
Actually, I think about using a BLE based accessory (for instance...
Tuning the nRF24xx matching network:
The balun-function is done by the
180° degrees phase shift in L1. This
causes the signals from the two ANT
pins, 180° out of...
I am sending IMU data as 20 byte packets through nus service at the rate of 50 such packets per second. The device is a nrf51 DK configured as ble peripheral (S110). The application...
Hi all,
I have a makefile which runs perfectly from the command line on Windows under GCC, but in Eclipse it fails with this message in the Console:
make flash
make...
My application had a ID to separate difference device & host for the communication in the same area. When the Host power up, it need to search any existing same ID Host nearby...
Hi ,
I want to set the channels used for exchanging DATA (after connection) when peripheral and master are connected.
i searched and i find that it's like this :
//Set...
Hi I'm using the PCA10003 dev board to try it out the OTA firmware update.
What i did is exactly that:
Modify the bootloader example for S310 softdevice and 10003...
Hi, I have been developing with the nRF52 DK for the past couple of months however I have encountered an issue today which I am unable to resolve.
I am unable to establish...
Continuing my mission to have SES set up to be the complete development environment on a Mac I am struggling to get the Jlink Debugger to behave with SES.
It appears I...
hello , I want to Know how to write value to S0 , L ,S1.
for example : I want Set S0 =1 , L = 16 , S1 = 1 .
but I can't find any register to set S0 , L , and S1. .
My...
We are trying to reduce standby current consumption for our application. When measuring the current depending on the environment temperature we can see a rapid increase of...
My Application will have 4 difference host in the same area, if one device send a data and receive the ACK payload, is it receive all of the 4 hosts ACK payload or one of...
Hello,
I've founded the nrf_drv_lpcomp_init function didn't configure the EXTREFSEL register that why I can't configure the LPCOMP to use the AREF1 pin as an external reference...
