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...
In the nRF SDK version 11 (specifically, this download ) some functions are either declared or defined to be __WEAK .
I will use app_error_fault_handler(uint32_t, uint32_t...
Hi, I found a bug with weak function declarations in SDK11, using GCC.
app_error_weak.h contains the following declaration:
#ifdef __CC_ARM
void app_error_fault_handler...
Hi Nordic Community and Developers,
I'm a beginner in the RF world and I'm designing a small Bluetooth module using nRF51822 to acquire the RF knowledge and to use it in...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi,
How Can I verify if my CPU has entered Low Power mode??
I have power manage function running in the main loop , but when I put breakpoint on sd_app_evt_wait() or...
I am trying to read data from SPI slave on the nRF51DK using mbed online compiler. To do this the mbed SPI library (class) includes a method called transfer. When I try to...
Hi,
I am trying to save some parameters after disconnection pstorage_clear or pstorage_store will not return to the pstorage callback function. I am working under SDK 9...
Hi.
I have a question.
I use nRF52 Preview DK, PCA10040, SDK11,
I tryed some examples in nRF52_SDK.
Some projects moved,and some another projects didn't move.
I...
I don't find the information in the nRF51822 documentations and in this forum.
How can I know that? Is there some register to check, or some hints to know that debug mode...
hi,
i am using the nrf51422 and trying the UART example ( in order to connect the nrf51422 and a stm32f4 using serial connection)
what i didn't understand is what does the...
I am using a nRF51822(pca10028) for current measurement. I had set up the devices as told in user guide. I am using SDK 11.0, softdevice s130 and default ble_app_pwr_profiling...
I am trying to make a custom BLE service and be able to do debug it with UART at the same time.
Just trying to print some UART messages at some points in the code.
However...
I have a couple of questions with the MCP.
Before knowing MCP, I've been connecting with my nrf51-DK with the nordic master control app installed in my smartphone. Opening...
I am doing burst transfers using exactly the code suggested here devzone.nordicsemi.com/.../
The problem is, the data is received three times by the receiver (three times...
