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 use the nRF52832 IC of WLCSP package.
In addition, it sets as follows:
{.source = NRF_CLOCK_LF_SRC_RC, \
.rc_ctiv = 16, \
.rc_temp_ctiv = 2, \
.xtal_accuracy...
Hi all,
I have a firmware in which I want to use BLE and ANT communication (with Softdevice S310) to send and receive commands from other Nordic devices or smartphones...
Hi,
I modified the code from the tutorial at devzone.nordicsemi.com/.../ to send measurements from my RHT sensor but encountered some basic difficulties. After fitting...
Hi,
I would like to know what the approximate Flash memory and RAM usage by nRF51 chipset would be when using the BLE communication (Let's say I want to send and receive...
Hi everyone
I am working with nRF52 (SD132). I am considering the ble_app_uart example and I'm trying to modify it by setting TIMER1 and TIMER2 peripherals to generate...
I'm trying to update the bootloader over the air, I succeeded to do so following the answer given here
it worked when I didn't change big things in the bootloader , but...
We have noticed that when our application is trying to call GATT disconnect while nRF master app is running, our app fails to disconnect. More over, when our app connects...
Hello everybody,
I am trying to pair module nRF51822 with Heart Rate Monitor device with the Surface Pro running on Windows 10 with no success. I see the module but when...
This question is a follow-up to this post . After performing several tests and understanding that some phone are more limited than others in terms of the number of exchanged...
Hi,
my device resets on executing sd_softdevice_enable(p_clock_lf_cfg, softdevice_fault_handler);
I have external 32KHZ crystal. I also know that software works because...
Hi all,
I have a quesion about reading a value's characteristic in the Android app nrf Master control panel.
I read a value, and i have the good value but i have a letter...
What happens if I call app_timer_start() to start a repeated timer. And at the same time I do a pstorage_clear() and pstorage_store()? Will the timer events get halted during...
I'm using the softdevice S310 on nRF51422 and when the softdevice is enable and I erase flash, the device won't go to sleep.
My code implementation is like as below:
...
There is a way to set the initial value of a characteristic. But how do I set the value after this without sending a notify to the master? Is it possible to write the value...
Hello,
i want use the port event to trigger timer 1. I need only one interrupt source and i don't want to use the pin event because of the higher current consumption. Its...
