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 caused a hardfault error and triggered the HardFault_Handler in "hardfault_handler_gcc.c". But instead seeint its source, I could only see the message no source...
When I start the nRF51822 sniffer ble-sniffer_win_1.0.1_1111_Sniffer.exe I get the following message:
!!Your firmware is outdated!!
Please upgrade (press CTRL-R).
When...
Hi team,
I am using sdk 12.1.0 and ble_app_hrs_c example.I enabled #define NRF_LOG_USES_TIMESTAMP 0 to 1 and iam usng nrf51822 dongle.my program gets hanged.I need to print...
Hi all,
I use the example of examples/ble_central/ble_app_multilink_central/ to test the connect timeout event. When it scan the peripheral and try to connect it, power off...
Hi, I am wondering why, sometimes, I get an odd packet out of order on the receiver. It is very random, it can occur at anytime, though usually it takes a minute or two. Testing...
So, does anyone have practical advice for reducing the code size of peer_manager and related modules, so that the ble_app_template project fits on the nrf51822 128KB part...
I am having an Windows 10 64bit OS. I am using PCA10000 board as sniffer. When i try to use it, I am getting Try plugging out the hardware error. Even CTRL +r is not working...
Hi
I have this board: www.sparkfun.com/.../13990 connected to a PCA10040 Nordic board. I am able to write and debug the Sparkfun board (the blinky LED example). I am now...
Hello,
According to the nRF Sniffer Guide 1.2, the sniffer is supported on a number of platforms (nRF51822/nRF51422 Evaluation Kits and others). All of them (as far as...
Hello,
I have problem when trying to use non default pins for uart.
This is what i got:
UART:WARNING:Function: nrf_drv_uart_init, error code: NRF_SUCCESS.
UART:INFO...
Hi,
Do you have any ready made example or can you give me guidance about the program in which the location is calucated based on RSSI values of the beacons.
Basically...
Hi,
I wanted to know that if I have e.g. 10 beacons placed in the super market. Let say I am in the meat section and there are three beacons among which I am close to one...
hi,
i'm designing a custom board and i want to detect when the USB is plugged in. the nrf51822 chip working with 2.5V, for that i had the idea to make a voltage divider...
Whenever I hit pair to pair the nrf51 dongle with the DK, I keep receiving the error line: Authentication failed with status BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP
I read...
Hey,
I'm currently doing the relay example on the nordic info centre.
I'm trying to manipulate the example so that I can transform it into a range extender.
The goal...