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...
I used iar for my project. But for some reason I have to transfer my project to keil now. Attached is the icf file from iar and I also attached my keil settings. Now the system...
In following the example for a DFU BLE upgrade I have configured the following system
on an nRF52 DK install the softdevice and bootloader:
nrfjprog --family nRF52...
In my code, I have some 'print'-style functions that write data to a buffer, and that buffer then goes to the Nordic UART implementation. This is user code, and I don't know...
Hi, I'm trying to adapt the stm32f4 library from:
link text
to run an nrf24l01+ with an stm32f373. After some initial SPI headaches, a lot is working. In the initialisation...
I want to confirm how much current is being drawn from the battery while the nRF52 is in it's absolute lowest power state and waiting for an NFC field to wake it up. From...
I am interested in setting the tx power level the advertising packets in a nRF52832 are transmitted with. I saw there is the TXPOWER register in the RADIO section (address...
I have a use case where sensors on a BLE peripheral need to push notifications to a BLE central indeterministically. So it needs to keep the connection always on. The notification...
Hi,
I tired Nordic Uart Service example on Nexus 5 Android ver 5.1.1, but I am not able to connect. I am able to connect to Samsung S6 and Nexus Android ver 4.4.4. I am using...
Hi Nordic,
I've try many times but no luck, I have a PCA10028, which works fine with SDK8~10 and S110.
Recently I found the SDK has become ver11 and SD turn to S130. So...
What is the best method for sending long data to ble_app_uart from android? We tried sending data by breaking into 20 bytes chunks and used thread.sleep() between each packet...
When I'm using the SDK 6.1.0, the twi drivers works while and I can easily understand the twi work flue. Howeve, the SDK 11.0.0 changed the twi drivers. I don't know what...
Hi Nordic,
I am using PCA10000 v2.2.0 with MCP and FW "MEFW nRF51822 0.11.0"
I just tried the "nRF Connect" under Windows 10 and fail to use it. Below is my steps:
...
Hi All,
I'm using nrf52 PCA10040 v 0.9.0, with SDK11. No softdevice being used in this case.
While exploring using EasyDMA with the SPI peripheral, the example in sdk11...
Hi there,
this problem may extend the scope, as it relates the SPI slave device (atmel winc1500). When I run the SPI master example, I can see the data transmitted on oscilloscope...