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...
What is the main difference between HW controlled TWI master driver and SW controlled TWI master driver?
What is their advantages and disadvantage?
Can they switch between...
I am creating four timers in my application using app_timer.c . All timers work except the timer with ID zero never triggers.( means first timer created does not work all...
I am really struggling to get my ADXL345 SPI code working. Everything works fine on a LPC1768 and all outputs are fine on the nRF51822 Eval board, but there is no activity...
Greetings,
SDK6.1 and Keil V5.12
I try to build the executable for Nordic GitHub project Timeslot Oberver example. I get an error that the handler SWI0_IRQHandler is multiple...
I created a app with s110 V7 and want to program the PCA10006 with this app.
To get thing working, I need to update the softdevice as well (beacon PCA10006 is shipped with...
I am trying to use the latest (s130_nrf51822_0.9.0-1.alpha) S130 and experiencing an issue which was not seen in previous version (s130_nrf51822_0.5.0-1.alpha), this is the...
Hello,
We're interested in measuring the precision of our external crystal, but don't have the equipment to measure off the crystal directly without affecting capacitive...
Hi,
I am trying to run nRFToolbox App, I imported the project to Android Studio but I get the following error when I attempt to run it:
Error:Execution failed for task...
I just switched over from SDK v6 to SDK v7.1 (installed via those Keil Packs). The UART has suddenly stopped working (via Segger USB COM port) and I can no longer see any...
Hi Nordic,
I used PIC32 for SPI Master and nRF51822 SPIS slave. I used shortcut for my spis in nRF51822 and I need to know the right time of acquiring the semaphore and...
I have a 32 byte string to read and write using SD110. In the MCP I can read (using read long) the whole string without any problems. When I try to use write long, MCP times...
I'm getting started with the ble_app_hrs_s110_pca10028 (nRF51 PCA10028) example in the nRF51_SDK_7.1.0_372d17a_packs.zip SDK. See the tags for my hardware setup. I'm using...
Hi I'm working on a school project and I need to send data from an accelerometer to a phone I'm currently able to update "dummy" data from my nrf51822 to my phone after following...
Hello ,I want to scan the Bluetooth peripherals through one master application and want to display the Bluetooth peripheral names on serial window like what master control...
I am new to nrf51822.
I am trying to convert my Arduino code into NRF51822
I need something like this
currentMillis = micros(); //microseconds since the Arduino board...
