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 need combine to SAADC with BLE interface. The following is the code I have written. However, I'm unable to transmit information via bluetooth. Can anyone help me with...
Hi,
I have found this link devzone.nordicsemi.com/.../ . It seems you need to change SDK or softDevice to make it work with FreeRTOS. Could you please share more information...
Connecting to J-Link via USB...FAILED: Can not connect to J-Link via USB. I am using the BLE Sniffer 1.0 and when I star the Sniffer I get the error code that my software...
Hey guys,
I'm trying to make the FDS work with BLE and the scheduler.
But something doesn't right when I use the Softdevice and scheduler with the FDS.
Must I register...
Dear all,
I have nRF51 DK and I use mbed CLI to build my application that is simple mbed-os-example-blinky.
Also I have SDK11.0.0 and I built the ble dfu bootloader (...
Hi there
I did an upgrade of the bootloader from SDK 12.2 to SDK 14.2. I am using the nrf52832 chip. It is basically the same as the secure BLE DFU example from the SDK...
Hi everybody,
I was looking for a better way to update a data, like a 32-bit-word, without the need to erase the entire page. Part of this question is already been asked...
I was going through all the supported SDKs for the nrf52840 and in all of them, it is mentioned that the ESB and FreeRTOS support is not there yet. Could someone please let...
Hello, I'm trying to implement a buttonless DFU via ANT for a custom nRF52 board. I've got the 212 v4.02 Softdevice and I'm using the 14.0.0 SDK. I am able to transmit and...
Dear
i want to nrf52832 to collect accelaration sensor data（SPI communication 8MHZ）.
The sensor output datas per 250us,nrf52832 will lost the sensor interupt when 52832...
Good evening. I write a project on nrf51822 in which there are a number of services with a set of characteristics (write and read). I need to limit access to some characteristics...
Hello, I am working through the tutorials to understand how to better use the SDK. I am currently on the Advertising tutorial and have gotten a strange error that doesn't...
I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:
Initialise...
