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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
I am trying to develop a BT Microphone that can pair directly with a BT speaker.
The Mic will act as a server for the speaker (client).
I have some nRF52 EVB.
Do...
We have used a logic analyser to verify this.
SPI initialised and talks nicely with an ADXL362 accelerometer part.
We have interrupts configured.
We go into sd_power_system_off...
Hello! I've soldered my first board with nrf52832 chip + PA on it. Everything works well beside the radio. The real distance (less 10m) even worse than on nrf52dk despite...
Just got my nrf52DK and connecting and dropping the HRM demo to it worked like a charm but since then, all attempts to get something else to run failed. Erasing all and reprogramming...
I have a very simple test program to run the radio through the transmit sequence, each task is called from the radio interrupt handler according to each event.
The process...
I'm pretty new with microcontrollers and SPI.
I connected fisically an nrf51822 microcontroller to an external SPI flash memory.
I connected MISO MOSI ports to some random...
I am using SDK 12.0.0.
I am working with low_power_pwm_init() to initialise the pwm and I have passed a handler while initialising. I want to stop the pwm from the handler...
Nrf52 SDK12.2 armgcc
I have a button on my device (peripheral) that when pressed starts a timer for 30 seconds.
During that 30 seconds, I would like to have the device...
Hi everyone,
I'm trying to use sscanf on my nordic device, and I get an issue with the following exemple (this same code works on my computer)
int d = 0;
float f =...
I have copied the blinky example:
/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor...
.\_build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol app_timer_init (referred from main.o).
.\_build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol app_button_disable...
Hi all
Is possible have DFU in the peripheral side to update a Central app program? Is there example doing it?
I have a Peripheral (custom board nRF52 dongle) connected...