Hi Team,
We are implementing an UART communication between a M4 processor (UART master) and a nRF51 (UART slave) and we want to use the UART in Low Power mode with flow...
Hello everybody,
for my project, i will bond the peripherial with the central.
I test my device with the MCP and can connect without problems. When i press the Bond Button...
Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
Loaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio.
App flash base is set to 0x00021000 and app RAM base is set to 0x20003000
Looking at the CPU...
In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
Does the Antenna in this Beacon relates with this "BAL-NRF02D3 '50 ohm balun transformer for 2.45GHz ISM"? Any idea what's this "BAL-NRF02D3" for? many thanks!
I am using a eeprep tool which can only be used with command prompt. I am struggling with it.
Here is the format to use eeprep tool :-
usage: eeprep [options] <infile...
hi nordic team：
I was wondering if the main program is too complex, and do not use the scheduler, and the connection parameter settings are correct. Whether because the...
Hello,
I have tested the DFU and everything works fine. Normaly the device enters into DFU mode with a pressed button 7, meaning the level on I/O 7 is LOW.
But in my...
Hi,
I've an HardFault, the program crash to the HardFault service routine at this row of the twi_hw_master.c:
--> NRF_PPI->CH[0].EEP = (uint32_t)&NRF_TWI1->EVENTS_BB;...
Hello, I am doing some dev on the NRF51822 with a Cortex MO manager. I have trouble on the MISO pin, and I am wondering if I have to drive this MISO pin by any kind of pull...
I've read in several other posts that it's possible to send up to 20 bytes per notification packet using sd_ble_gatts_hvx(). I've also read that we should not edit the file...
Hi,
In the step 3 of the "nRF51822_Development_Kit_User_Guide_v1.4" (page 11) :
Select nRF51822 from the Select Target list and click Build or press F7 to compile the...
Hello
I'm developing software for beacon-type device based on NRF51822. It has no buttons or other user inputs. Our use case:
User buy beacon-device. First phone which...
I've been working with SDK 7.0.1 and it seems there are some issues with device_manager_peripheral.c.
First off it doesn't compile out of the box, the debug code is turned...
In the document nRF51822-PAN v2.4.pdf, PAN #9 says that OUTINIT doesn't work,
"Initial value for GPIOTE output after configuration is undefined"
and example workaround...
SDK 7.0.1 is intended for version 2 (G0) chips, and the future. So it can't be used with earlier versions of the chips (like C0). So it shouldn't have workarounds for C0 chips...
I have recently begun running into issues related to the SPIS module on my nRF51822 S100 v7.1. Fairly often, between 10 and 20% of the time, the interrupt does not fire when...
Hi,
I am using TIMER2, GPIOTE and PPI to implement a 6250Hz square wave at a GPIO pin. I can successfully create the square wave on the GPIO pin. However, I would like...
Hi,
I want to use nrf51822 for implementing HID keyboard and mouse.
Can the application be configured for keyboard and mouse simultaneously ?
i.e hids_init_obj.is_kb...
Hi,
I am using nRF51822 and trying to use Ticker from mBed library.
I have issues when using Ticker and PwmOut.
How is implemented the Ticker functionnality into nRF51822...
