I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
I would like to use the softdevice s130 because i want to try having a nrf58122 as a ble central and peripheral at the same time.
At the moment, there is still the...
Hey everyone,
I have an application where I have to write data to a characteristic. I would like to only allow reliable writes (not unacknowledged ones). Is this permitted...
Hello,
I'm having problems with defining RGB led on my beacon (pca20006). When i define for example RED led (on pin 12) with code nrf_gpio_cfg_output(12); i should be able...
Hello,
I am trying to load ble_app_beacon code provided in nordic sdk to redbear lab's ble nano. I am using sdk version 8.0.0 and soft device(s110) version 6.2.1 .
I am...
If BLE device is sleeping,is link layer connection terminated or the link layer connection is still valid..?
if it is valid..how the master will know about the sleeping periods...
Hi all.
Consumption current increases by about 1.5 mA after a battery check.
uint8_t battery_start(void)
{
// Configure ADC
NRF_ADC->INTENSET = ADC_INTENSET_END_Msk;...
Hi all!
My project is depend on the "ble_app_template",which uses the "scheld structure", I am able to read the data from app but not able to send my data with notification...
I have a question about that code, when I test my code with lightblue, it showed me that there is an service called application notification client service, but it didn't...
I'm using GPIOTE library to check the change of two switch inputs.
Normally it works well, but rarely GPIOTE_IRQHandler become never happen even if the pin level changes...
Hi Nordics!
I am using app_pwm.c file in SDK 8.1, and when I use it with softdevice(advertising or data transfer event), sometimes pwm signal is reversed.
I guess, reversed...
Hi Guys,
I am using a the 350Mhz Analog Oscilloscope HM303-6 www.hameg.com/hm303-6.0.html to measure the voltage utilised by the board when it is transmitting data.
...
Hi,
Once I enter into BLE mode I am not able to read any gpios(nrf_gpio_pin_read) also I am not able to set any gpios (nrf_gpio_pin_set).
Below is my example
uint8_t...
I'm trying to establish a bond in my project and then perform service discovery, however the discovery is returning the BUSY error.
I tried to wait for the events according...
In SDK 8.0 the bare word asm was re-introduced in nrf_delay.h , causing failures in compilations that use strict C/C++ standard conformance flags. This was noted in earlier...