I am trying to get a good handle on the difference in average power consumption between BLE point to point and Zigbee on an nRF52840. We have battery powered products and...
Hi, For my project, I need to design a BLE packet sniffer which scanning the 40 channels. Therefore, I need 40 dongles are connected to a computer that can read and transfer...
I am writing code to get a nrf52840 DK to associate with an existing 802.15.4 coordinator using the 802.15.4 API module within SDK 15.2.
I've called "mlme_scan_req" and...
Currently, I am able to use Mqtt Publisher or Subscriber with only one Nrf52 device. I can ping to the device with link-local address.
I am using Nrf52832 with SoftDevice...
Hi everyone,
After days of figuring out how CMake works, I try to write a CMakeList.txt myself, and decide to put my progress on this community. Right now, using CLion with...
i am using nrf 52832, i got SAADC example code from sdk. that code done by using timer. i could not understand timer section. Is available SAADC simple example code without...
Hello everyone,
as indicated by this question https://devzone.nordicsemi.com/f/nordic-q-a/35692/adding-nrf52-dk-to-github-mesh-demo-for-thingys/138327#138327 I am trying...
Hello,
the past week I am trying to make the bootloader_secure example work for a custom hardware with no luck. This whole procedure give birth however to several questions...
Hi
I am currently working on a BLE based hardware but I am a little confused about the terms such as service, characteristics... etc.
Let's say, I would like to control...
Hi,
I am using the following function to read the content of a register:
static ret_code_t read_reg(uint8_t slave_address, uint8_t register_address, uint8_t *value)...
Hi,
Could you please help me identify the file and function name that is used by the S130 softdevice to start HF clock automatically for ble advertising? I can see that Clock...
Hello again,
I'm working with the ble_app_hrs example application with DFU app support. I'm following the DFU procedure and I've reached the point where I actually start...
Hi everyone,
My idea is:
I have several nrf51822 ble devices and I want to connect them simultaneously one by one with gateway over IOT. I am using bluz gateway shield...
hi all,
I use nRF52 SDK11 with ble_app_beacon example.And write some code in main().
uint8_t buf_data[32];
unsigned char c_data[] = {"abcd"};
//unsigned char c_data...
When debugging my application, I'm finding that gdb blocks at app_scheduler.c:253 like this:
(gdb) bt full
#0 0xfffffffe in ?? ()
No symbol table info available.
#1...
I'm using SDK 12.1.0, gcc, nRF51822, no SD init'ed or enabled at the time this code is running. I need to retain the values of a bunch of variables across a sys off.
Here...
I want to integrate nrfjprog.dll (or nrfjprog.exe) into my own windows APP, but I can't find the detailed document for usage of nrfjprog, could someone tell me where I can...
Hi everyone,
I recently was able to do firmware upgrade via Android phone( Link ). So once I programmed the device with a proper bootlader, I was able to always reflash...
I am having problems getting the memory protection to work.
I have not found a clear definition on how to configure the TEX,S,C & B bits for the various memory regions...
Hi,
From the doc : infocenter.nordicsemi.com/index.jsp , I found that the HF CLK is 64MHz. My custom board has 16MHz Xtal Clock. Will the softdevice work accurately, timing...
