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...
Can the nRF51X22 be paired with an iPhone to communicate (both ways) using regular BLE and emit a beacon signal at the same time? In fact, I'm looking to change the beacon...
So I suspect there is a very simple answer to this, but a couple days of much reading and searching haven't led me to a very clear answer.
My setup: Galaxy S3 (Android...
I'm trying to move data over the uart characteristic. I followed the guidelines here devzone.nordicsemi.com/.../
In the main loop I am calling sd_ble_gatts_hvx until it...
I'm working with an nrf51822 with the s110 softdevice. So I'm trying to read an analog signal from multiple pins. My program will run fine for quite some time. Eventually...
Hey guys,
I need to record many time interval ?, can i generate system time and use it to record all of my time intervals?
If I want to send all of the time intervals...
The gcc compiler is gcc-arm-none-eabi-4_9-2015q2.
The make version is GNU Make 4.0 (Build for arm-unknown-linux-gnueabihf).
The error message is:
... arm-none-eabi...
So I'm using the spi_master.c from SDK 6.1 to communicate with an LCD driver. I'm using an nrf51822 with s110 softdevice. My system has been sporadically hardfaulting on me...
Hello all,
I have found closed topics here with similar names ( devzone.nordicsemi.com/.../ etc.) but my question is about adding the characteristic with encryption.
My...
Hi,
I'm trying to transition my application from SDK 7.2.0 to SDK_9.0.0 and am having some issues when including ble_advdata.h compiling with gcc:
In file included from...
Hello,
I know I'm not supposed to use TIMER1 with IRQ 0 when using a SoftDevice but I want to try anyway :) I want to do some bit banging with timing that is timing sensitive...
I am trying to program custom boards with the NRF51822 using an ARM-Flasher with no success. Using J-Flash I can connect to the device properly, program and verify the hex...
What could be the reason for?
Couldn't find any error descriptions.
Using Laird BL620US with newest FW v12.4.14
Error occurs as a response to 'scan start 1000 0 0'...
According to the *.map file the .bss (RAM) usage for my Application is 0x16b8 or 5816 bytes. This is obviously a very high RAM Application, likely due to the abundance of...
Hello Nordic,
I am working on [nrf51822 custom board+SDK8.0.0+SD110]. I need to test button press bouncing and de-bouncing, how it works on the board ? I found one example...
Hi,
is it possible to use this module from LAIRD in connection to the nordic SDK - i installed the softdevice hex but the hrs example for s110 is not running properly ...