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'm writing the f/w upgrade function.
The device is NRF51822, and I use nRF51 SDK_v5.1.0.36092 with s110_nrf51822_6.0.0_softdevice.hex.
I refereed to the example...
I want to measure the time between some different events in my application (using SoftDevice S110).
My idea is, to collect some timestamps and calculate the elapsed duration...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hi, I setup my attibute as 20B array. I'd like to change default data type in Presentation Format descriptor because the default value that is reported to me by BLE Scanner...
Hello,
I am curious to know what is the interpretation for the advertisement data
Advertising Data: 0201050709506562626c6503190002
This advertisement data seems to...
Hi,
Our custom board stops working after updating the connection parameters. We have a nrf51822 chipset custom board with proximity application flashed on it. Device get...
Dear Sir,
I open the Master Control Panel log.txt file, I can see
Serial port read: 04-3E-13-01-00-00-00-00 and
Serial port write: 02-00-00-09
Where can find the full...
I am using a nRF51822 at 16 MHz
What is the math formula behind the BAUDRATE register?
What is the timing error for each of the standard baud rate setting? This is not...
hello,
i was trying to run the sample examples, i tried blinky example from C:\Keil_v5\ARM\Device\Nordic\nrf51822\Board\pca10001 folder. i was succesfull in getting the...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
Dear nodic engineer:
i want test environment temperature with NRF51822 inner temperature module.
any information for reference?
any temp graph?
if need calibration?...
Hi,
I have an evaluation kit and I have custom boards that has nRF51822 chip on them.
I am trying to update the firmware(Application) of the custom boards from evaluation...