This question has to do with the observed "recursivity" of the calls to "app_sched_execute" in SDK13 as described in the previously asked question below:
devzone.nordicsemi...
hi.
How do i do ble_app beacon advertisement to one device(Android phone) whose bluetooth address is known ?? I want that beacons should only be seen in nrf_connect app of...
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 am using a processor that can provide an 32KHz clock (from its crystal).
Can you recommend the voltage divider (caps or resistors and suggested values)?
I will power...
I added a task to ble_app_hrs_freertos.
The soft device was burned.
The address is in the default state. (RAM:0x20002128 ROM:0x1f000)
I reset the total heap size...
Hello i am quite new to using BLE for data collection. I am using a Readbear BLE Nano with a Nordic nRF51822 on it.
I want to read a Sparkfun MMA8452Q accelerometer's X...
Hello, if I disable interrupt on nrf51xxx device, function sd_ble_tx_buffer_count_get will simply run right into hard fault handler, without returning anything.
I do not...
Hi,
on NRF51 BLE peripheral I want to implement authentication, so only selected BLE masters have access to my BLE peripheral.
There is a password known to BLE peripheral...
Regarding the RTC prescaler of nRF51822,
I found out that it is the following.
Timer and RTC prescaler behavior by TASKS_CLEAR is different,
When TASKS_CLEAR is executed...
My company is making capacitive touch plates and to make them smart, app is used.We are using NRF24L01+ for rf communication between device and app. Our sockets and hub with...
I did some modification from radio test example.
But I don't know why the function "rand8" never ending.
In the function, rand8,
NRF_RNG->EVENTS_VALRDY = 0;
while (NRF_RNG...
Hi,
I have been trying to get up and running since the first DK was released for nRF52x and I am yet to have installed a working development environment. I have tried to...
I'd like to use a DMA channel on the nRF52 to copy RAM from one block to another. However, there doesn't appear to be any DMA controllers that are not directly associated...
Hello everyone
I'm trying to disable advertising but it doesn't work in some cases, I don't really know why. Here is my pretty simple piece of code:
/* Disconnect and...
www.keil.com/.../uv4_db_dbg_evr.htm
www.keil.com/.../EventRecorder.html
Keil worked in a new EventRecorder feature that uses some SWD buffer memory to push data out...
Hello,
A question to understand please. A lot of issues still unfixed in rev 1, but are known for a long time (see errata docs). Like SPI with RX = 1, DCDC -4dB on RF,...
Hello, I try to run the sdk example for adc, i set an input voltage in varying from 0 to 4.38 V in the pin 4 (AIN2), but the returned value didn't corresponds to the desired...