Hello,
i am working with the Enhanced ShockBurst proprietary protocol and i am wondering where I can find the sources of this protocol, so that I can do some changes. ...
[uart - Copy.rar](/a master _error.png ttachment/3cc01f5e2484d2b0f33e62befd3e6a62)
hello there
I am interfacing master nrf51 dk with nxp's slave lpc11u24
(1) my main...
It is good practice to prefix the includes from one's C libraries with a directory so that they are all part of the same 'include namespace'. Unfortunately the Nordic SDK...
Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I had a difficult problem.
First, S110 & SDK9
ble_stack_init () is the source.
static void ble_stack_init(void)
{
uint32_t err_code;
// Initialize the...
Hi. I'm using nRF51822 as Peripheral.
To init the service for example "NUS", i have to call NUS_BASE_UUID as below..
#define NUS_BASE_UUID {{0x9E, 0xCA, 0xDC, 0x24, 0x0E...
Hey guys,
From what I understand, the minimum connection interval on say, an iPhone, is 20ms. Also, you can send up to 6 packets of 20 bytes within a connection interval...
I have established a ble connection between two dk boards, the code I based on is the ble_app_uart_c and ble_app_uart, and try to detect some rising edge delivered from the...
It's kind of relative question with my previous question.
"When smartphone range is shorter than a peripheral(nRF5X), is there any way to receive an advertisement from the...
Hi all, I tested the example: Experimental: LE Secure Connections Multirole Example with my smartphone and it is working fine, but when I tried use LESC on my peripheral device...
I can't open a com port after starting the nRF Connect app. This happens in Windows (native) and also a Linux virtual host with the com port passed through. I'm using a nRF51...
I found strange behavior when using back-to-back packet transmission.
Configuration of PTX/PRX is:
No Auto-ACK (disabled)
CRC 2 bytes
Packet length 13 bytes
Addr...
I have the blinky examples working, but have not been able to get any example code using any gpio input to work. they compile fine but the buttons done seem to work. I'm using...
Hello,
I'm using the sample project from this post .
Following the steps and using nRF52DK, one for server and one for client. I've modified the server count from 3...
Hi all , I has 3 board : 1 board central connect with 2 board peripheral . I want to send string from peripheral 1 to central , then from central to peripheral 2 . Please...
Hi All,
We have a data logging application, where our typical data packet is small -- roughly 20 bytes. I've been experimenting with FDS for storage, with one record for...
I'm having compilation error, and got a couple of errors similar to the examples below:
Error[Li005]: no definition for "sha256_desc" [referenced from C:\Users\..........
I need some parameters of the BLE s140 stack for my project.
Including duration of an advertisement event (beacon) and the maximum random slack for an advertisement.
I...
I've recently upgraded my IDE to use Crossworks v3.6.2 which uses a GCC ARM Embedded 4.9-2015-q3-update compiler. it has by default many of the code clean up featues turned...
