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 am using the nRF5_SDK_17.0.2_d674dde and the nrf5_SDK_for_Mesh_v5.0.0. I am using the nRF52 development kit and I want to know if I can use the flash fstorage on the mesh...
Hi. I am working on a project and am planning to offload most peripherals to the net core; a few are listed below. Is this a bad idea? I realize I might run out of flash memory...
hello ,
During my twim0 initialization, I have configured clear_bus_init as true and hold_bus_uninit as false. But i always get hold_bus_uninit as true.
then I dig into...
Hi!
We would like to install approx. 2000 pcs BLE devices in a mesh network. The device density is quite high (2x5 meters matrix, same level, no objects).
I think only...
I am looking for a automation where in the scripts should be able to send the CCCD(Client Characteristic Configuration Descriptor) response within one second.
1.Which tool...
Hi,
On a nrf52840 running SDK 17.0.2 and Softdevice 7.2, while being connected to two devices in central and peripheral role, I observe that on the connection where the...
I'm trying to see if there is a simple way to scan for ANT packets on all supported frequencies (not ANT+, which I know is on a single channel, 2457MHz). Just for the presence...
Hello, I am currently using the logger backend to send information via UART from the nRF52811 to a PC. This works well, but only for one way communication. I would like to...
I have nRF52840 dongles that have something already programmed on it. They are encased in plastic and I have no access to the little reset button. How can I install my SoftDevice...
Hi, I'm having trouble implementing DFU buttonless.
I ran the tutorial step by step in the following link: https://www.u-blox.com/sites/default/files/Add-NordicSemiconductorDFU...
Hi Nordic,
From some cases in the devzone, I know for nRF52 series, the ESB doesn't support 250Kbps mode.
One of my customer employ nRF51822 in their product, so I want...
Hi,
It seems that we are experiencing exactly the same as what is described in this topic by @kienasv. That topic seems closed for replies, and the solution has never been...
Hello ,
What is the purpose of the second line of the code in errata 89 ?
I mean this line ;
*(volatile uint32_t *)0x40003FFC;
did you use this one like nop ?
...
I need to install a BTLE application on an nRF52840 dongle that is enclosed in a case and therefore I do not have access to the reset button.
I have looked at some of the...
Hi, I'm using nRF52805.
My BLE code could connect & communicate data perfectly for the first time. After the disconnection, I can still see the signal. However, when I try...
