why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi I have been using the https://infocenter.nordicsemi.com/pdf/nRF_Sniffer_UG_v2.2.pdf I wish to program my nrf52832 device with a hex. Using the j-link commander tool. i...
Hi - I built and flashed the ble_app_interactive example from both SDK 15.3 and then from 16.0 on to my nrf52840 DK (PCA10056). I connect to a Thingy52, issue the gatt services...
Tried with PCA10036 and PCA10031 on Windows 10. Both show as JLink CDC UART Port (COMx) in Device manager. Tried different versions of WireShark. Tried to erase and copy new...
Hi,
Using SDK 15.3.0 , example "ble_app_hrs_freertos", pca10040 with armgcc.
I want to increase MTU and GAP data length.
I started with MTU to 247, and when I try to...
I'm using SDK 16.0.0.
I wish to use two MEMS microphones to record audio over the I2S interface, and then send it over Bluetooth.
What is the best library to use for this...
Hello,
I have had issues in the past with twi manager causing ANT to drop out. These problems are ongoing despite me taking action in hardware to improve power supply (e...
I'm debugging on an nRF52832 (nRF52-DK, non-preview) using the ARM GCC toolchain and GDB under Eclipse on Ubuntu 14.04LTS, set up following the devzone tutorial .
At various...
When calling sd_ble_gap_connect(), and providing a whitelist, what is the expected process for establishing a connection, as far as timing is concerned? Will the device scan...
nRF52840. In case of standby current (battery only)
Measured as follows:
With only the battery connected, the same current draw as the one attached. Is there any...
In my DFU bootloader I am protecting areas of Flash memory used to store user data.
After an update, when my application starts and tries to write to this memory it is causing...
I am trying to use the real time clock on the nRF52840 dongle using the pc-ble-driver. However, my nrf.h file has nothing in it but the following:
#ifndef NRF_H__ #define...
I have a working iBeacon advertising a beacon UUID, Major, & Minor on a nRF52832. In addition, I also have a single BLE service (which has a single characteristic) defined...
Hi I am managing to initialize a serial instance using uart0 within the BLE Buttonless DFU Template. However when I carry out a similar process for uart1 I get the following...
