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...
Hello,
I'm using the nrf5 sdk 17.0.2.
I'm wounder why the current API of the nrf_queue doesn't implement a peek with random access? I know by definition a queue is a collection...
Hello everyone
I'm developing a software which should use the latest OpenThread version and if possible in the form of prebuilt libraries. I followed the tipps and instructions...
I try to execute the PWM settings via the library in an extra .h/.c file to keep my main method as small as possible. Unfortunately the program sticks in the ErrCheck and...
I am currently designing a circuit with the NRF5340. This circuit will be alternatively supplied by VUSB when connected to a USB port and by a 1.8 V power supply to VDD when...
Hi,
I am using nrfconnect to debug my application code. i have an application code with 9 services in total and it is working fine as expected.
Now the problem is, if...
I have a freeRTOS based system and my Logging Thread, which is based on the examples has odd behviour when used in conjunction with the WDT. When I first program the board...
Dear Nordic,
I am adding the NUS to a firmware that already runs a custom service. I based my code on ble_app_uart. It fails during init, when it calls ble_advertising_init...
Hi guys:
a. I use a uart dfu bootloader(loacation: SDK-location\nRF5_SDK_15.0.0_a53641a\nRF5_SDK_15.0.0_a53641a\examples\dfu\secure_bootloader\pca10056_uart) in 52840 soc...
What is the ADC internal reference voltage (0.6V) tolerance at room temperature and over the full operating temperature range?
Or is it same as the value specified in the...
I am using NRF52840dk boards to make an openThread mesh network with CoAP. There is an example in NRF-SDK for coap client and another example for coap server. I used them...
I know there is an ongoing global semiconductor crisis. In the products, we decided to switch to NRF52/53 family products as core MCU. However, we're having hard time getting...
Hi,
Currently our system is using printf() to print some debug messages to the Segger debug terminal. Now we would like to reroute these messages to a UART port.
We are...
Hi there,
My nrf52840 DK seems dead. I want to recover it.
What I did:
Put the nrf52840 DK into Bootloader mode by pressing the "IF BOOT/RESET" button while powering...
Hi,
I'm working with pc-ble-driver and a PCA10040 devkit.
First, the central sends a data length update:
This returns no error (0), and on the BLE_GAP_EVT_DATA_LENGTH_UPDATE...