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'm trying to build a prototype using the Adafruit nRF8001 Breakout and an mbed ARM CPU.
After Reset, I get a Device Started Event, telling me the chip is in Setup...
Hi,
In SD100v8, there is capability of checking the application version, to make sure no downgrade (or any other criteria required). The reference is in Link to SDK
...
There is a blog post for advertising but none for connection interval.
I am wondering how big is the difference for this example:
Measurement on peripheral every 4 seconds...
Hi...
Can anybody help me to run ble_peripheral example (ble_app_hrs for S130). I have build and load the code successfully but cant see the advertisement. But while debugging...
Hi,
Got stuck on an issue that has come and gone and then working fine, and are now back again.
I use a nrf51 module with the led-button-service example (sdk 5.2). It...
So, we are pretty far along in development (I have inherited the project) with an nrf51822, SDK 4.4.2 and SoftDevice "6.0.0-alpha". We are nearing release, and I was told...
I have set the POFCON to enable the power failure comparator and set the voltage level to2.5 volts. How do I know when the battery voltage is below the 2.5 volt level? How...
I want to try a UART communication without RTS & CTS
my board is PCA10001, and I use the SDK 6.1 example: uart_example.
I use Serial Port Utility to communicate with the...
Using SD_110 v6 I get a hardfault on the final call to sd_nvic_EnableIRQ(SWI2_IRQn);
sd_softdevice_enable before that returns success. Any idea why enabling interrupt could...
Hi,
I'm trying to implement an existing proprietary protocol on the nRF51422 SoC. In this protocol the device address is placed differently in the frame than the predefined...
I want to confirm with Nordic staff that the MBR compares the new bootloader with the one it will replace when executing SD_MBR_COMMAND_COPY_BL. It seems that after a comparison...
Hello
Just few quick questions. What happens to the S110 Softdevice after the APP_ADV_TIMEOUT_IN_SECONDS period?
I'm using the nRF51 DK and the ble UART example and I...
As I am using nRF51422 EK (Evaluation kit), would like to know how to test with BT2.5 or lower version. Is this has backward compatibility. As when I give option of FLAG other...
Hello
I'm having difficulty in executing an GPIOTE interrupt during a BLE connection event with the nRF51 DK. The interrupt I have works fine when the softdevice is advertising...