I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Is there a way to workaround bluetooth unstability for Sony Xperia Device?
Device : Sony Xperia - different models
Android Version: lollipop
Background:
Bluetooth...
I am trying to connect my android mobile with nRF52DK. At the first moment it gets connected and then I am able to access service and characteristics but once it gets disconnected...
Hello,
Is it possible to run CMSIS-DSP library on nrf51822, I would like to use the FFT function for analysing the accelerometer raw data on nrf51822. Is anyone have already...
Dear all,
We have designed prototype with BL652 (nRF52832) and would like overwrite smartbasic with softdevice, we have Segger jlink connected by SWDIO and SWCLK how we...
Dear Devzone,
When working with the nRF52840 I had implemented an ethernet connection using the W5100 chip. I used some examples and libraries from this blogpost
I had...
Hi all,
may be it is just my misunderstanding, but I think it is must be fixed...
SDK12 ble_db_discovery.c\ble_db_discovery_start() never resets ble_db_discovery_t.services...
what happens when USB supply is powered but VDD isn't powered?
The internal USB LDO is working ? DECUSB go to high or not ?
Is there a leakage current from usb to nRF? ...
Hi, all!
Is it really possible to timestamp 4 GPIO edges in parallel with the nRF52?
It would need to be as fast as possible and some edges might be simultaneous so...
hello:
I'm looking for a bluetooth solution for our equipment. We need a chip that simulates a serial port, what we send by SPI port, it is received in the mobile and the...
Hello,
I would like to understand how can I make use of the macro ERR_TO_STR_TWI in order to know what error is being given by my TWI module function.
I have tried something...
I am attempting to run the SoftwareSerial example on the Arduino Primo.
The example code does not work and I am wondering whether the pin assignments are correct.
Example...
If I use PWM "nrf_drv_pwm_simple_playback"
and that will go to "start_playback"
How can I catch end point after it finish entire function?
BTW, the process will keep...
Hello All,
I am working on nRF52-DK, nRF52832 PCA10040, and i want to know on how i can wake up my device from sleep mode using hardware interrupt. I am using interrupt...
Hello,
i want to power off and on the board using the Long Press Button Event.
Is this possible? Please help me out to resolve this issues...
Thank You
