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
May i know what would be the debugging procedure using segger-RTT for nrf52840 and what is the debugging Hardware Required ?
Thanks and Regards,
R Madhu.
I know BLE5 is the future of IoT. I also want to invest on it.
But how to setup a complete BLE5 environment? In China, IPv6 has not been supported. Therefore, 6LowPAN/Thread...
Hi,
I want to ask a few question for ble_mesh.
What do these functions do:
rbc_mesh_persistence_set(..), rbc_mesh_tx_event_set(..)
Who should do the set operation...
hi Dear Engineers!
Have a question about external TIMER counter input hw PIN.
as Known, all the MCUs have a timer with external pin as a counter / capturer ability.
how...
I use STM32F4+nRF51822 through the SPI interface. I want to achieve nRF51822 DFU with SPI operation, now upgrade the simple LED to work properly. But can not work when using...
What i need is , am collecting the data from the sensor(which acts as a ble peripheral ) , the data which has to be transmitted to the ble central and that data should be...
Using the nrf52 DK, I was trying for hours to setup Segger IDE on a mac, and the software doesn't feel good to me, its not clear where is your code, it has too many libraries...
The vivo phone sometimes cannot scan the device,
There are two devices embedded same program.
However,one of them can be scanned,the other one can not.
The advertising...
Hi all, I'm working on sdk11.0.0 signed bootloader and I made change in it. Due to these changes bootloader size increased and not fit in the memory allocated to the bootloader...
Hello:
The product specification (v1.3, pg 263) says temperature sensor accuracy min = -5 C and max = +5 C.
Its not clear if these accuracy values correspond to the...
Hello,
I meet the same problem with the question " Status bit for sd_flash_write() ".I have register my flash_nrf52_sys_event_handler() in sys_evt_dispatch(),but after...
I am trying to find examples for nRF51 dongle P10031. I would appreciate some guidance and help regarding the same. Its my first time using the device.A link to a sample example...
