Ok so here is the issue. I was trying to build a simple application which is described in the tutorial for characters. After building an advertisement and understanding the...
I was working with IAR and SDK10.0 before. For some reason I have to transfer my project to Keil and SDK9.0. My program worked well for the old settings. While keeps got NRF_ERROR_SOC_NVIC_INTERRUPT_NOT_AVAILABLE...
Currently we are considering whether we should use external Flash Memory or NRF52 Internal Flash.
External Flash memory has a lot of drawback in comparsion with internal...
Suppose there are 10 BLE peripherals in a room and one BLE Central,then is there any way i can get the list of available peripherals[name or id.. etc]?
I am using NRF5182...
I am using SDK_11 s130 on nrf51-dk. When err_code is any value other than NRF_SUCCESS, APP_ERROR_CHECK(err_code) will cause nRF51-dk board to reset. How can one get APP_ERROR_CHECK...
Hello All,
I have problem with ble_app_uart which are not support DFU services.
When I am implement both services device will not advertise. and when ble_nus uninitialized...
[symptom]
I want to update my application/bootloader/softdevice by DFU.
Steps are shown below.
bootloder/softdevice update
if 1 step is done, application update...
Dear Colleagues,
I'd appreciate your advice on the selecting external or internal pullup or pulldown design for a wake up button which would cause minimal increase in current...
Hi.
I'm trying to make a bluetooth based sip/puff controller for disabled people. The main use case will be to enable people that can't use their hands, but move their head...
Hi, we have been experimenting with the ESB PRX and PTX examples and have integrated them into our code. We are using the PTX to continuously stream data to the PRX side and...
Hi,
I working on migrating my project from SDK 14.0 to 15.2 and are currently working on the secure_bootloader. In our current solution we use the __weak nrf_dfu_button_enter_check...
Hello everyone!
I am trying unsuccessfully to advertise a custom UUID as LBS along whit HRS but the examples use different functions to handle the advertising.
The blink...
Hi,
When I add a model that extends others (i.e. not a root model) to an element, should the extended models (for example root models) be in the same element?
Maybe the...
Hi , I am flashing applications related to UART / USB but after flashing I am not able to see the log on serial port as per seetings given in manual.
http://infocenter.nordicsemi...
hlo sir , In my code there are 4 gpio interrupts,
if they comes at same time which will execute first.
There is any optional to assign priority to each gpio interrupts...
Hi - I have an application where I sometimes get an NRF_ERROR_INVALID_STATE error on disconnect when the distance between the client and server is beyond certain limits. ...
Hello to everyone. I´m trying to configure the buttons of my SDK nRF52 to turn on LEDs, but all the examples I´ve found here are using BSP_EVENT_HANDLER. So, my question is...
Hi,
I am developing an application on an nrf52840 based custom board that includes a dfu bootloader. Currently this bootloader is the example secure one. This will be tweaked...
Hi,
I spent a lot of today trying to get or even to find instructions on how to get log messages (RTT) out of both the app and the bootloader I am working on. This was the...
Hello all!
I tried to develop a small BLE application and got stuck with endless loop in nrfx_uarte_tx() function (nrfx_uarte.c driver) which loops endlessly in these lines...
Hi, I am running Segger Embedded Studio (4.10a) to get used to the Nordic DK for the nRF52840. Now I have found, that the register display seems not to be able to show some...