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I was wondering if anyone has done any extremely high speed UART work on the nRF51 (or the non-EasyDMA module on the nRF52). I need to improve performance for an existing prototype that has to stream a large amount of ... (more)
I'm trying to connect to a ST LSM6DS3 via SPI on the Nordic chip. I have used SPI on Nordic with other peripherals but couldn't seem to get it to work with this ST chip. Eventually, after debugging ... (more)
I'm having some issues getting any of the provided experimental Thread examples to compile with IAR version 8.11.2. I'm using an nRF52840-PDK with the SDK for Thread version 0.10.0. Please see the following image ... (more)
I wonder how power failure comparator works at VDD 2.1V. If VDD goes down to 2.1V, and I set POFCON enabled at 2.1V threshold, then does POFWARN work? How 2.1V threshold is produced by VBR?
I'm trying to get the RSSI of incoming 802.15.4 packets using
otLinkRawGetRssi(), but I need only RSSI from one specific device. I tried to use whitelist (
otLinkSetWhitelistEnabled(), otLinkAddWhitelist()) and I checked in CLI that whitelist is ... (more)
nRF5_SDK_12.2.0. app_timer_freertos.c app_timer_stop() call xTimerStop/xTimerStopFromISR with timer_id parameter. It seem to must use hTimer parameter.
Are there any particular practices or instructions should i follow if I want to write a custom library
We are trying to write a library for LEACH protocol and it is a network algorithm and we can't find an ... (more)
Hello, I'd like to store a large amount of data in flash and in a chosen area. As a start, I've chosen the area starting from 0x77000 and ending at 0x78000 Iv'e written this
const tGlobalData romData ...
hello I am on 2 projects the nrf51 and the nrf52 , but I met some problems about the bluetooth on ubuntu and windows . Can you help me please ?
i set the app_timer to fire every 60 seconds app_timer_start(m_Timer_id, APP_TIMER_TICKS(60000, APP_TIMER_PRESCALER), NULL);
Is it possible to get the current couter,for example, after 30 seconds?
I need to have an RTC counter discretized to milli seconds ... (more)
I am working on testing this modification on the ble_hrs example. The idea is to send data sequentially as notifications.
However, BLE_EVT_TX_COMPLETE seems to have disappeared in S132 V4.0.2.
By looking at the infocenter, I notice sd_ble_gatts_hvx ... (more)
Currently developing on NRF52 sdk12
I want to be able to show time stamp minutes:seconds:miliseconds on my RTT viewer, when I print my data out from the uC. Any hits on how to do that?
I'm looking ... (more)
hello i am using nrf52840, with BME280, i have external pullup 10k resistor. how i can disable the internal pullup resistor. i am using this sample code.
i'm currently try to figure out how to use an Android device as an IPv6 Server through BLe sending UDP packages. One of my collegues tried this example as it was discribed with an Rasberry Pi as edge-server ... (more)
I am creating a BLE peripheral device and I am using peer manager in it. What is the maximum number of peers that my device can bond with? And what will be the result when a central wants to bond ... (more)
I am having problem with setting up TX side of my project. It always giving me max_rt error if I am sending only once per cycle. 1 Cycle is every 30seconds. All working fine without ACK enabled, with ACK ... (more)
I want to run the HID Mouse and Keyboard examples on nRF51 Dongle. How I can configure it first, to connect with my PC via Bluetooth and second, to configure the GPIOs act like buttons, since the dongle doesn't ... (more)
Hi, No matter what I adjust, I can't get the PPK to output over 2.2V. I happen to be using an older nRF52 preview DK (figured it'd be a good use for that board now that it ... (more)
Hello I try to control the LIS2DE12 accelerometer to detect movement through the pin INT1 For this I wrote the program below but I tell problems (I feel that there is a problem with the Read and write function) Thank ... (more)
Currently developing on NRF52 sdk12 with a terminal
In my source code i have nrf_log_init(null), and this allows me to print stuff to the RTT viewer.
Now I want to be able to show time stamp minutes:seconds:miliseconds ... (more)
I use the SDK12.3 and SD130 with secure_bootloader and my own application. I can flash SD and Bootloader and update my app over OTA with DFU from NRF Toolbox. My app works fine after updating. I implemented the ... (more)
I noticed that when upgrading to the latest Thread SDK that my devboard stopped booting. I was following the instructions as per the documentation but noticed that my user application stopped booting. I was following the instructions to the tee ... (more)
I am using Nrf52832 sdk 11.I want to update the value of characteristic on every read operation from my andriod phone. I want that on every ble_gatts_evt_read: should give me new value whatever i feed through code. How should ... (more)
I am designing a custom PCB using the nRF51422. I want to include an external 16 MHz crystal oscillator to use as X1 according to the reference layout for custom PCBs. The crystal I have has a capacitance of ... (more)
Hello, I am working on a custom board with NRF52832-QFAA-R7 and trying to run ble_app_uart_c on it. I am using uVision 18.104.22.168
The first trouble that I am facing is that I can't get the softdevice ...
Hi All, I am a beginner in nrf52. I need to get the client device address in ble_app_hrs_central, because I have more than one devices connected. There is a hrs_c_evt_handler in the main.c which is called when a client ... (more)
The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can save more power)
Should ... (more)
I am searching for a basic example to understand the build system.
How do I load the soft device properly?
How do I set things up to run SEGGER_RTT_WriteString?
I had working code, but migrating to SDK 12.3.0 ... (more)
I have to make a interrupt each 100us. This interrupt should be priority on the BLE. In my interrupt I have only one condition (if/else) and I have to change PWM value.
Is this a problem ? Can I ... (more)
Hello! We use chip nrf52832(QFN-48) in our project and we wont to pass the PCB certification. But we also want to use chip nrf52810(QFN-48) in another project, but with a PCB from the first project. Should we again ... (more)