I'm analyzing app_timer scheduling code..
I have an question about list_insertation_handler function in SWI0_ISR
I think if ( (p_timer->ticks_at_start - m_ticks_latest...
I would like to test the newly added v4.2/v5.0 Bluetooth features (e.g. LE Secure Connections, Data Packet Length Extension, 2xSpeed, etc) against non-nordic devices. I have...
I am working on a project using a ble nano (nrf51822) using the Nordic SDK 8.1. In the examples I found a way to control an LED using the methods LEDS_ON and LEDS_OFF. I wanted...
Hello,
I am using ble_app_gls example and I have implemented static passkey in the code. Now I want to see if wireshark shows the passkey when I connect to ble devices. For...
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...
I'm using adafruit_tag_reader example to read ISO14443 tag. When I put a tag near scanning area of PN532. It reads tag multiple times till I remove that tag from there.
...
Hi!
I am using IAR compiler for my project
I declare global variable
__no_init u32 uPowernResetSignature;
in my code I assign value to this variable
uPowernResetSignature...
Thank you for taking time to look at my problem!
I have managed to combine the TDK/Invensense library for their IMU MPU9250 within the SDK 15 utilizing simple TWI calls...
Hi,
I have nRF9160-DK kit and its environment is set such as nRF Connect SDK and Segger Embedded Studio.
I want to build a simple application from scratch for example...
Hi, I am trying to modify UICR PSELRESET but its not changing. Any help?
NRF_UICR->PSELRESET[0] = 0xFFFFFFFF ; NRF_UICR->PSELRESET[1] = 0xFFFFFFFF ;
Thanks
Hi,
I'm developing an application using the timeslot API for a custom radio protocol. The application also uses a number of the nRF52832 peripherals, as well as the app_scheduler...
Hello,
I'm having an issue with scripting AT comands directly into the code of the nRF9160. I'm a novice at all this so I apologise if the mistake is an obvious one.
Inside...
I get "ERROR: There is no debugger connected to the PC with the given serial number." when I run e.g. nrfjprog --eraseall on command line.
Programming/debugging using VisualGDB...
Hi,
The User Guide v1.3 in Chapter 2 (minimum requirements) states "SEGGER J-Link Software" under "Software requirements". Is there J-Link software specifically for use...
I've been developing firmware for the nrf52840 for a few months using armgcc+openocd+arm-none-eabi-gcc working successfully. I recently upgraded my ubuntu version (18.04)...
Hi,
I am trying to connect to cloud MQTT (cute cat) which needs username and password for authentication. In the sample the password and username is set to NULL in client_init...
I'd like to create pc program connect to nrf51 device.
In Many document as I found, describe with dongle/DK and using a virtual com port like this.
PC -> dongle/DK include...
Hi,
I have some questions about application operation while in PSM / eDRX mode.
1. when modem is in deep sleep mode, is the application halted too ?
2. if not, what...
Hi, I am using nRF52 as a central SDK15.2 and SD132. I want to add in peripheral mac address which I want to put in the whitelist manually from the UART. But the example that...
Hi,
I read on the forum that DMA for UART block is not possible on nRF51. Is it true?
If yes, is there any way that we can enable this? Our application demands DMA for...
