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...
In this ADC example from Nordic on GitHub, it does not appear an AIN has been selected (e.g.: no call to nrf_adc_input_select() ). I don't understand. I have been assuming...
Hi,
I am creating a central application on a Nordic nRF51 device. Our project is related to connecting to peripheral of any profile. Using the MCP I connect, bond and enable...
Hello,
For our application I have to set up two simultaneous connections between a S120 master device and two peripherals that use the S110 softdevice.
A very short connect...
Trying to send 3 20-byte packets of data from nRF51822 (peripheral device) to a Samsung Galaxy S5 (central device) and send 1 20-byte packet back, all in less than 10ms. I...
Hello,
I'm looking to bootloader sources and i want to add a timeout if entering with a signal in DFU mode and no DFU detected for one hour.
There is a timers_init function...
I have a project that requires full-duplex voice comms (doesn't need to be high-quality). I'm evaluating the suitability of BTLE for the task. The new nRF52 has a PDM module...
I'm moving to Nordic from "another" BLE s.o.c. where the UUIDs, profiles, services and characteristics were defined in XML. With that product I could modify or examine or...
Hi
In nRFgo Studio there is an option to read the entire memory of a chip. In my case nRF24Le1 to a .mhex file.
The first lines of the .mhex file says:
Infopage:
Identifier...
I try to create a beacon which can receive dynamic UUID through UART and advertise with the received UUID.
Now I am working on the sample ble_app_uart, to replace the existed...
Hi,I have need to set TIMER2 interrupt at high priority because I need a interrupt at 0.5ms.
This interrupt must comes while Softdevice is enable and my device(nrf51822 beacon...
I've a query regarding the assert message that I see in the application.map file, when I use GNU Toolchain for building the application firmware for NRF51 SOC.
Environment...
Hello,
We avoid MITM attacks by using a static passkey. Does it mean that the attacker can decrypt the connection if attacker get the passkey? What I transfer or receive...
