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...
Dear Nordic Team,
Thanks for supporting.
Still i am work with keil IDE. But now i want to go work with Segger embedded studio because of mesh concept. Please give me step...
I have combined light switch client and ble_app_uart example by following this guide and this case ,but after I added the codes :
#define MESH_SOC_OBSERVER_PRIO //<set...
Hi,
I am developing stuff for a bike and need the Bluetooth Cycling Power Service 0x1818
I found the 0x1816 Cycling Cadence and Speed
Has anybody developed this service...
Hello I'm a beginner and I try to use the DFU. I use the documentation and I can send my init packet without any problem. But when I try to send my Firmware I have 2 problems...
Hi,
Our system is based on the nrf52832 with SDK BLE_2.0.1 for the mesh. I have few queries as per below,
1)It would be great if you could suggest any vendor who is working...
When Going into Sleep, I see peaks of 12mA every 30ms (see image) I'm assuming I can adjust that changing the connection interval settings. I have my Connection intervals...
I'm having some issues with the freeRTOS example in SDK 15. I've always seemed to find a hardfault which limits the MTU size to 176. Now when I try and set the connection...
Hi,
I have a question regarding fast/slow advertising
I'd like to advertise for 180s using a 100ms interval, then switch to a 1s interval, preferably for ever. I set...
I would like to use ADXL335 accelerometer in this nrf52832 custom kit Hackable . I don't have a J-Link but i have this custom programmer Bumpy which is based on the Black...
Hi,
How can wake my nrf52832 based module from system off sleep mode. i am using ' nrf_pwr_mgmt_shutdown()' / ' sd_power_system_off (); 'function to put the device into...
softdevice 6.0.0 SDK15.0.0 How do I use ble_app_hrs sample code add buttonless_dfu function? I flow the steps, but I am fail. 1. In ble_app_hrs project... add nRF_DFU folder...
Hi Support team,
In this application note, solder paste type 4 has 25 to 45 micron particle size range while IPC J-STD-005 as attached stated type 4 has 80% Minimum between...
hi.
I used mergehex.exe to combine the hex of softdevice, bootloader, and application into one, but the board is in DFU state and the application does not start.
I am...