I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello:
Why do I erase SDK5.2 version of flash and read not, in SDK4.2 can. I tested nrf51_sdk_v5_2_0_39364\nrf51822\Board\nrf6310\flashwrite_example is a good example.However...
before i write the flash, it has been erased.so ,its value is all 0xff.
when i write 0x00 to flash address 0x0001,the value read out is not 0x00 but 0x01,and the value in...
I'm looking for a way to use the nordic uart service ( devzone.nordicsemi.com/.../ble_sdk_app_nus_eval.html) from Linux using the native Linux BLE Stack (BlueZ). My application...
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...