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...
Is there a way to disable (not use) the peer manager's whitelist without setting it to NULL? I'd like to be able to temporarily disable the whitelist without potentially losing...
Hello,
I'm sampling the ADC using PPI like in the saadc example of the sdk12. For the ADC I use
TIMER 1.
And I want to write those ADC values on a SD Card over SPI...
Hi,
I am interfacing micro SD card with nrf52 using fatfs example in sdk 12.0. As I am beginner, first I wanted to perform operations like read, write, delete and some...
I have erased my J-Link firmware in error! after having installed the version supporting V6.12a, however that upgrade wasn't achieved via the drag and drop process.
Where...
Hi,
I am looking to test the performance (range, data throughput, packet drop rate etc.) of BT5 in application specific setting using nRF52840. Ideally this would be done...
What has been tested:
In the Bootloader configuration inside the watchdog and start and
feed the dog operation, and then in
the static void wait_for_events
(void)...
Hello,
I am working on modified version of ble_nus example and I tried to send data to nordic DK.
In Android, I used
BluetoothGattCharacteristic characteristic = mBluetoothGattService...
Hi,
We are designing a system that shall supervise the battery voltage (1 AA cell) on an analog input to the nRF51822. Question is what happens when we put the processor...
Hi
I'm doing project called automation of lights using beacons and iam using sdk (nRF5_SDK_12.1.0_0d23e2a) and nrf51822 dongle. I need complete information about advertising...
Hi,
I am using nrf51 dongle on which I have loaded example code for BLE central(ble_hrs_c) from SDK 11.0.0 's example folder + soft device S130.
My problem is, I am...
Howdy. I have some trouble when trying to communicate with AD7793 using SPI.
I used ble_app_uart example and combined it with the SPI master example and the general...
Hi,
currently, I'm working on encryption using the crypto module of SDK 12.1.0 for SoftDevice 3.0.0
It is no problem to generate a public key, but if I want to generate...
We are using the nRF51822 on our product.
I'd like to know about the minimum value of RSSI ?
We checked the minimum RSSI value by using our products.
And most of...
Hello,
We plan to use the Serialization mode with the NRF52832 module.
We would like to know how is handled the low power mode when the NRF52832 module is used in Serialization...
I am adding a bootloader with BLE OTA upgrades. I am using SDK 11.0.0 and I based my bootloader in examples\dfu\bootloader . I can only fit a single bank upgrade (I upgrade...
