why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi there,
I'm porting an app from NRF51 SD130 to NRF52 SD132, both with sdk11. I do the usual stuff, like changing includes, freertos ports libraries, etc, and everything...
Just a general resource question. The Softdevice uses RTC0, FreeRTOS (by coded default) uses RTC1. So in order for the SDK ble_conn_params.c to run properly I have to link...
I was able to add the Device Information service as well as a proprietary service using a 128 bit UUID. I modeled after the ble_peripheral uart example. However when I try...
Nrf52/Kiel/SDK11
My application was at the point where I needed to add DFU. Following the examples and SDK doc, I added the files and code needed. It would NOT advertise...
We recently moved from SDK11 to SDK13. We run out of memory when adding custom services & chars to the S132 v4.0 softdevice. Increasing the app start address in the linker...
For the record I have been struggling with migrating a project from S110 @ nrf51422 to S140 @ nrf52840.
Quite by accident, I found this "nrf51_to_nrf52840.h", what does...
Hi , Everyone!
Now i have the board nrf52832 and i'm conducting my DFU.
My DFU is to update softdevice and application.
Here is detail about my problem:
softdevice...
Hi
From s140_nrf52840_5.0.0-3.alpha_migration-document, it is mentioned that the L2CAP API has been completely removed. Are there plans to re-expose the API? We have exposed...
I'd like to clock the nRF52840 at the same frequency as my converters. Is there any problem with using a somewhat different frequency than the 64 MHz (or 32mhZ) crystal? If...
Hello guys,
i randomly get twi error busy 17.
i have #define TWI_DEFAULT_CONFIG_IRQ_PRIORITY 7 in sdk_config.h and .interrupt_priority = APP_IRQ_PRIORITY_LOW in init function...
My setup is based on a jlink clone and yunjia module nrf51822 and nRF51_SDK_10.0.0_dc26b5e. I am following this tutorial successfully till the section Enable auto discovery...
Hi,
The following function/macro is missing in SDK 12.2.0 and 12.3.0 but existed in 12.1.0:
nrf_drv_saadc_gpio_to_ain
I am re-compiling "thingy" SDK and it happens...
I'm looking for an answer as to how to know the source files that I need to mention in the Makefile if I'm writing my program from scratch. Are there some bare essentials...
Hello,
I am writing here because I am trying to change some concrete values from a .hex file in order to vary some BLE and other values. I need this because I need to generate...
Hello,
I downloaded the nRF Blinky app (for Android) here :
github.com/.../Android-nRF-Blinky
I'm looking to modfy the code to have an auto connection. For this, I...
