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...
Hi, for a project at my university I need to analyze BLE signales. In this context I need to demodulate a BLE signal AND extract the I/Q samples from the same signal. Does...
Hi, I have my nrf51 Dk (PCA10028) on which I want to connect a buzzer or speaker to one of the gpio pins which are not in use. I am confused on the following points:
1....
I'd like to know if it’s still true that the DFU bootloader (i.e with BLE transport) is strongly coupled to the SoftDevice version. In other words, if we do a SoftDevice over...
From page 520 of nRF52840 Product Specification 1.0 4413_417 v1.0 / 2018-03-16
If the watchdog is configured to generate an interrupt on the TIMEOUT event, the watchdog...
I am trying to flash all three images together. I have the firmware updating working, but if you flash them together, the bootloader doesn't know that the application is programmed...
Hi,
We are preparing the first "production" run and we are looking on alternatives for production programming and testing, so far our factory used nRFgo for the pre-series...
I need to have more than 30 servers (and 1 client) in a mesh, so I increased the SERVER_NODE_COUNT value. But this results in a static assert in config_server.c:
How to...
Hi,
I know that this issue is well documented in the forum, but I have read everything and tried all of the suggested fixes, but nothing worked.
I am trying to Enter systemOFF...
Hi,
I have tried to find out how to aks the current time and set it, without success.
time(NULL) returns invalid data. What methods I should use to get the current time...
I want to simply put signal (sine wave) from signal generator into analog input and use saadc. I have program which uses ain4 and ain5 pins. So I was just wondering how I...
Basically I have modified the ble_app_uart example to connect multiple centrals(android devices),
now i want to transfer the string to all android devices which are connected...
Hello,
Would like to know the performance(i.e, latency when network size increases with respect to payload) of Thread, Zigbee, BT mesh wireless protocols. Is there any documentation...
I have some questions that I hope some of you fine engineers can shed some light on. First, some story time is probably in order. Skyrocket Toys developed a line of IR tag...
Hello All,
I am working on nRF51822 custom board. For programming I am use IAR Embedded Workbanch IDE in windows 7. For reference i am use nRF SDK 8.1.0.
Write now i am...