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...
From reading the reference manual, product specification as well as searching the developer zone: here and here . Is it correct that the AVDD pin supply's ONLY the radio....
I have a strange problem with the secure bootloader.
After a succsessful DFU update of firmware, the firmware starts, but resets after a short while (about a second). ...
Hi,
While I'm Flashing LED Blinking Example in nRF51822 Ek using Keil uVision 5 along with SDK v12.2.0 , Program is uploaded but LED is Continuously glowing without blinking...
Hi
I have been trying to make a dual bank serial dfu bootloader with security features for nrf51822 (board 10028), but seems the UART/HCI dfu support is missing in SDK...
Hi,
I am having some trouble getting my design into low power.
I have a BLE central application using an nRF51822. I am using the power on sleep mode by calling sd_app_evt_wait...
Hi Nordic,
I have an application that perfectly runs in the nrf51DK but that does not work in my custom board. In my custom board everything else works (i2c, leds lighting...
I have a nRF51822 development dongle. I followed by the instruction and installed the USB friver, nRFGo Studio and Wireshark. All these software are installed a Win7(64bit...
Hello,
I am using ble_app_gls example and I have implemented static passkey in the code. Now I want to see if wireshark shows the passkey when I connect to ble devices. For...
What is the best way to go about implementing secure reads/writes to the NRF52 NFC tag? I noticed there didn't seem to be any built in security functionality in those areas...
I am attempting to use nrf_drv_adc.h in a project where I am splitting up my methods across many C files and, to my surprise, nrf_drv_adc.h does not have any include guards...
Hello,
I received the above error using NRF5 SDK 12.2. I have modified "nrf_drv_config.h" so that it reads #define TWI0_ENABLED 1 . Also, I put #include "nrf_drv_config...
Using nrf52 DK , SDK 12.2 , and armgcc.
I want to use BLE_UART but I also want to bond.
I started with the BLE_UART example code and added peer manager and FDS.
I...
I've been trying to track down a bug where a couple of my Central test devices, a Nexus 5 and 7 (Android 6.1), won't send a connection request to a peripheral they're bonded...
