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...
Hello, I trying to debug with GDB server Because of this .
I open the GDB server like this
go to build directory and write client cmds below
output is $4 = {<error...
SDK12.30 supports S132 V3.0. Is there any other version SDK supporting S132 v3.1?
Any problem for firmware built with S132 V3.0 and running on module with S132 v3.1?
Hello,
I've disabled the buttons in light_switch example for the client DK. I'm using GPIOs for input and I want to enable BSP_BUTTON_3 to reset mesh network configurations...
After switching to SDK 15 from SDK 14, stopped working correctly transmission of HID Report Descriptor over USB, what in case leads to incorrect device enumeration.
Now...
I'm developing a database with FDS that stores application-level data that must be able to be matched to bond data. After looking at the files for Peer Manager, ID Manager...
Hi All,
What is the recommended way to choose FIFO and buffer sizes for the nrf_serial module? I mean the optimal values for the following constants:
SERIAL_FIFO_TX_SIZE...
Hi,
the pull-up resistance Rpu of GPIO pins as stated in Product Specification v3.1 in Table 62 is supposed to be 13 kOhm (typ). Since we measured a different value on pin...
I started development with the S132 (SDK 15.0.0) peripheral example "blinky". After some modification, it handles all necessary communication with my phone flawlessly. Now...
I'm attempting to use the USB MSC example (from nRF5 SDK v15.0.0) with external flash chip replaced with Winbond W25Q128FV and I see the following logs:
[00:00:00.000,000...
Hi,
I have designed a customized for nrf52832 with a trace antenna. I haven't used any low pass filter and made the changes inside sdkconfig.h file to use RC and that board...
Hi,
I'm using nrf51822 module purchased from www.waveshare.com/core51822.htm . I'm running uart over ble application example. I commented uart_init() function in main(...
Hi,
I have the following setting. I have a dongle with with a nrf52 which sensd all data received from the NUS service to the host via a uart and a FTDI. The FTDI is capable...
Hi.
I want to implement multirole on the nRF52832. I want to advertise beacon data while scanning. So, I modified ble_app_uart_c in the ble_central example. Below is a description...
Hello,
I would like to disable and enable the nus_data_handler in my code to work with several interrupts, so I need to disable that handler and then reenable that again...
hi,
I am using nRF51-DK board as external programmer to program Minewtech Minibeacon having nRF51822 chipset (QFABC1, 128KB flash and 16KB RAM).
Tools:
SDK: nRF51_SDK_10...
