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...
I have bought from ebay 10 nRF24L01 and I'm trying work on a ,for more that 7 days, project sending 7bytes data. I have build (on a breadboard) the circuit described on that...
Hello everyone!
I have two sets of PIC18F45K22 and nRF24L01, one as a Tx, and another one as a Rx. I have programmed the PIC using mikroC compiler. My question is how do...
I am wnating to clarify, if i can use the Gazell protocols on the nrf51422? I can't find it in the SDK for the 51422, but it is in the sdk for the 51822.
There are some include dependencies that go like this:
app_uart.h -> app_util.h -> app_error.h -> nrf_error.h
and nrf_error.h is under Include/s110.
In order to debug...
Hi,
The err_code shows NRF_ERROR_INVALID_STATE when called sd_ble_gap_adv_start(). I want to know why it happen, and how to handle it. This happened upon the ble disconnected...
If it can work with iOS blue setting will be better
I need some reference to dev hid device in IOS
but I can just find my device ,connect ok but not work.
Is it possible with Nordic NRF51422 to perform accurate proximity ranging to make sure that a circle of 2 to 3m but not more is identified in a reliable way?
What is the...
I'm assessing whether ANT is suitable for the network deployment I have in mind, and I would appreciate to hear any thoughts you have on this.
I have a network of say 20...
Hi,
I want to change the GAP params such as connInterval, slaveLatency, and have some questions:
1.can I call sd_ble_gap_conn_param_update directly or need to send...
I used nRFgo Studio(version 1.15.1) to program S110 and application through my Jlink. But it's not worked in version 1.16.0.
It's not a good feature! :(
Is there any compatibility table for nRF51 series chips with revisions, softdevice versions and SDK versions?
I have some custom boards with a module that contains a nRF51422...
I'm trying to output a relatively high frequency PWM (300kHz). I'll need to adjust the duty cycle on the fly, without glitches and minimal time spent in IRQ handlers.
Currently...
I'm trying to build the ble_app_hrs example from Nordic's SDK on a Mac OSX 10.9.2 and have been following Nordic's nAN-29 Note v1.1 to install required tools, while looking...
Good day, I am using a USB to UART IC and it isn't working just because the nRF51822 Tx signal is inverted from this IC. There are some way to invert the UART signals?
