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...
I am developing some application and I have decided to use Device Addresses to distinguish between devices. I have read device addresses of 2 chips (I have read addresses...
Hi,
I am working with Gazell device and host example code from the Keil pack installer, using the default the data rate of 2MBit, so per Nordic's documentation the timeslot...
I confused that I run a SDK 9.0.0 example ble_central_and_peripheral app_s130_demo on my nrf51 SDK. then use Android App MCP to scan Advertise data. it did not work.
but...
I'm faced with a curious problem.
The examples of nRF52 SDK 0.9.2 have linker sciprt like this:
/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP...
Hi,
I bought two PCA10028 DK boards, try to start with the simple example with SoftDevice S110.
I download the application to the DK board by nRFgo Studio.
First...
Hello,
I bought 2 modules from this site:
www.elecfreaks.com/.../nrf24l01p-pa-lna-v31-rfm05-p-142.html
People are saying it's working great, but for me, there is something...
I had slightly modified a TWI example (using nrf_drv_twi) to work with one of my sensors; It's basically the same with a different function called to handle the received data...
I'm trying to test the throughput improvement of the S130 alpha softdevice vs S130 V1.
I notice a couple of changes in the API that I'm not sure how to handle:
First...
I've been using the ble_app_uart example with S130 on a nRF51 DK board. I wanted to add an interrupt with some GPIO pins. So I added GPIOTE interrupt handler but the compiler...
Hi all,
I want to ask you if it is possible to program nRF51822 chips (Cortex-M0) with J-Link OB assembled on nRF52 preview DK (Cortex-M4F).
I have some older boards with...
Hello,
I am working on pin interrupts and was able to handle with 1 pin interrupt. I used GPIOTE port interrupt. This is the code snippet for initialising:
NRF_GPIO...
I am trying to get my system with a hardware RTC generating periodic interrupts every 30 seconds to sleep between interrupts. I'll paste the code below, but here is the problem...
Hi,
I had an issue which the other BLE tools can connect to my BT121 module, but NCF Master Control Panel keeps looping at the connection content page. FYI, it is bonded...
