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 used nRF5_SDK_14.1.0_1dda907.
I used fatfs example.
Wirted data in the same file to sd card.
I discoverd that Max size of the file is 16KB.
Over the max size of...
Are there any plans to include CMSIS-NN libraries in the SDK?
If so when?
If not, what build flags should I use to get the fastest runtime?
Thanks,
Quinn
how can I store outputs sent from JLINK SEGGER_RTT to a file?
how can I send data on RTT channel 1, is there any instruction for that?
/** loop */
sprintf (buffer,...
I'm trying to adapt the DFU bootloader to work with a SPI slave as the transfer mechanism, but I'm running into issues getting the SPI communication up and running. I've added...
I'm trying to load ble_app_hrs_c on the nrf51dk and im getting the error
"error: L6047U: The size of this image (34328 bytes) exceeds the maximum allowed for this version...
Hi,
I am trying to receive BLE advertisements on Ch38 (=2426MHz) without using SoftDevice, i.e. with direct register access. However "EVENTS_DISABLED" is very rarely called...
Nrf52832 based on sdk14.2 development as a slave, when linked with the iPhone, pairing and binding, and then get ancs service; and Android phone connection, direct communication...
I am working on a project working with remote connectable beacons. One of the easiest ways to save power in these applications is to reduce advertising speed, however, this...
Can anyone give me a tip on porting the code below, which works great in sdk12, to sdk14? I'm using the nrf52832 and the ble_app_hids_keyboard example and need to get a real...
Hi, I'm kind of a newbie, haven't had much experience with embedded outside of arduinos etc.
So I started to look at this: https://learn.sparkfun.com/tutorials/nrf52832...
for sdk15.0, SES,
is the twi_scanner example known to work with nrf52810?
getting errors,
undefined reference to nrfx_twim_init, nrfx_twim_enable, nrfx_twim_xfer
Hi,
I am studying the GPIOTE example from SDK 14. I did some modification adding other led and doing the leds blinking in differents times (LED1 blink each 1 sec and LED2...
Hi,
The nRF52832 does not support Long Range and i was wondering if the use of "RADIO_MODE_NRF_250KBIT" would increase the range. My application is a mesh network.
Do...
Hello Everyone,
I am using nrf51822 with S130.
Currently I am using arduino following this repo to program nrf51822 and its working fine. However, I want to shift to keil...
Hi there
For test purposes, I first implemented a simple serial reading & parsing function in polling mode of a gps device (sending @ 1 Hz).
Everything works fine when...
