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 Support team,
I used PPK2 to test the PSM mode current of nRF9160 is about 7.09uA (as shown in the figure below),but the eDRX mode current has not been tested successfully...
Hello everyone,
I am going tp establish a mesh network by using a devkit and two or more dongle. take as an example, turning off a led on the dongle boards by using a bottom...
Hi, I'm using code based on sdk/components/libraries/bootloader/dfu/ for ECDSA verification of the signature. But switched to Oberon crypto backend. The signature was successfully...
Hi,
I'm trying to convert the NCS - cloud client sample to connect to AWS_IOT rather than NRF cloud.
After a connection achieved, i press Btn1 and I get the following...
I believe I am having a very similar issue to devzone.nordicsemi.com/.../dfu-from-external-flash-using-spi-nor
I posted this as a new thread to avoid high-jacking that one...
Hi everyone,
I am working on USB MSC example . I have two questions.
1. What is the MSC_WORKBUFFER_SIZE defines in the example? Is the last parameter of APP_USBD_MSC_GLOBAL_DEF...
My issue seems to be similar to DRGN-12539. However, I am erasing internal flash.
I am calling in a loop nrfx_nvmc_page_erase to erase multiple pages of flash. At first...
I am building a custom boot loader to work with out application on a custom board based on the UBLOX NINA-302 module. The boot loader will use USB as the only connection and...
Hi.
I'm trying to read data of MAX30102 using TWI, it has 8 bits of data in the FIFO_DATA register.
The library I'm using for data extraction and processing was written...
Hello,
I am using the nRF52 DK with Segger Embedded Studio and the SDK 14.2.0. I wanted to build the example 'esb_ptx_pca10040' with logging enabled. To achieve this, I...
Hi,
I'm using the S132 on the PCA10040 with the external XTAL disconnected (SB1 and SB2 cut)
In order to check to if the external is present I call nrf_sdh_enable_request...
I am working on my first BLE project for my employer and have been unable to connect over BLE to our custom board with the nRF52840 processor. To eliminate issues with my...
