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...
It looks like the "NRF52-DK" development kit I can find comes with an nRF52832 chip, but I'm looking to get a dev kit to develop for the nRF52810. I did also find a "NRF52840...
Hi: it's me again, sorry to bother everyone once more.
This time I can finish provisioning... almost. You see, at the end of the whole provision process, a function must...
Hello,
A stupid newbie question: APP_UART_FIFO_INIT seems to get stuck while trying to run
example code.
Only modification I have made is the usage of SEGGER_RTT for...
Hello,
I was having some trouble communicating with another slave device thru TWI, I was not receiving his ACKs.
So I decided to try to turn off internal pull ups following...
I'm using S132 (SDK 12.3) and I'm trying to perform DFU over the air. The procedure I am using with this device (and failing) is being used on other devices an succeeding...
Hi everyone,
I'm trying to compile my own bootloader. I had this error when trying to flash it into my module:
Here is my linker script for the bootloader:
SEARCH_DIR...
I want to write data longer than 20 bytes on Android MCP.
But if I use "write command", only 20 bytes data can by successfully written. The rest data is lost.
If I use ...
The last time, i could wireless communication by pressing a botton.
The next time, i wanna send the data to phone if the communication is established.
i modified the source...
There are already a few threads about this problem but none of them helped.
I want to use GPIO9 + 10 as .. well .. GPIO.
Here's what I did:
added CFLAGS += -DCONFIG_NFCT_PINS_AS_GPIOS...
hi,everyone,i use the nrf52832,sdk11.Every now and then my hardware has reset,and l use the "NRF_POWER->RESETREAS" to read the reset cause, and the NRF_POWER->RESETREAS value...
I have gone through the SDK and from what i basically understand is that gazell and BLE Multilink look very similar from the application point of view(1 Host connecting to...
In the nRF5 SKD alpha, gatts_cache_manager.c:123 looks like this:
gscm_evt.params.sc_state_stored.state = &peer_data.p_service_changed_pending;
Is this supposed to...
Hi all,
Refer as the antenna whitepaper, The Zs = 50 Ohm pi network need to match. I saw a matched pass filter optimized for nrf52832 from Johanson (Part Number:2450FM07A0029...
i have app_ble_uart and i wan get temperatura with my phone main.c terminal there is my code but i dont had any msg from my BLE controller.But if i changed call of function...
Hi, iOS caches services and characteristics when bonded with device, so we need to inform him to invalidate this information via Service Changed characteristic, but how it...