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...
Hello,
My problem is to much current c.a. 40uA in POWER OFF mode. Below attach code:
void power_down()
{
nrf_gpio_pin_clear(22); // Wylacz mostek tensometryczny
nrf_delay_ms...
With nRF52832 DK I have managed to compile this blinky example:
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "nrf_delay.h"
#include "nrf_gpio...
I am getting no radio (as in not being able to pick up advertisements packets) from my custom nrf52832 board. The antenna design is a hack so I am not looking fo stellar performance...
We are looking in to developing a generic class to connect and handle our BLE devices for use on mobile devices such as Android and iOS.
Now since we want to have as less...
Hello Experts,
I am running the following examples to test the DFU bootloader in gcc and eclipse environment.
bootloader_secure/pca10040(Bootloader) and experimental_ble_app_buttonless_dfu...
I found a problem of the nRF51822 in boot state.
Power on reset is not executed occasionally when used dying battery.
The problem occurs in the following steps:
...
Hi All,
I'm having a BTLE_CONNECTION_TIMEOUT when I connect the device in Master Control Panel 3.10.0.14 while the chip is not in debug mode.
The device connects without...
Hi
I am trying to upgrade the firmware in a BL652 using a Segger Jlink Edu.
The BL652 is powered with 3.3v using a regulator off the JLink 5v output.
I had poor/unreliable...
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...
