[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 have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
Hi everyone,
I was having RAM overflowed with stack issues which were resolved using suggestions here . Now I am facing another issue. While running mqtt I can only do...
I am trying to use the Scheduler to create my own event handler system (similar to a Ti 8051 OSAL system). I'm writing separate classes that can push data/trigger handlers...
Hi,
I use the BDS v1.1 and nRF Plugin 1.2.2 (from 23.Dec.15). My goal is to simply generate a code for the cycling power profile defined by the Bluetooth SIG. I dont change...
Hello, in the NRF Toolbox UART application for iPhone if you navigate the the UART button screen and connect to the nrf52 eveything is fine. You can exit the app (whitch goes...
After some days trying a very simple tx/rx, reading each page of the manual, looking at at this developer zone, etc. I´m still in trouble, with many distinct partial results...
Hi,
I have a problem with my SPIM read buffer.
As you can see below, my SPI device received bytes correctly and answer correctly
My code is based on SPI example...
In the simple_uart.c there is a code:
void simple_uart_put(uint8_t cr)
{
NRF_UART0->TXD = (uint8_t)cr;
while (NRF_UART0->EVENTS_TXDRDY != 1)
{
// Wait for the...
Hello. I wanted to use a receiver on a quadcopter and some becons nearby(+-5 meters). Is it possible to determine the distance IN REAL TIME to the drone?
I'm a newbie to nrf52832 and would like to ask a dumb question here: can I use radio notification to implement a dynamic advertising message? I've looked into this question...
Hi,
As I know that one reading operation requires 2 connection events:
First - ATT Read Request
Second - ATT Read Response
GATT Read Message Sequence
My question...
Hello.
I'm working with the nrf52 with s132 loaded.
There is a way to have a 6Mbps on the SPI ? I try the value 0x60000000 but this do not work.
Thanks.
Eric Provost.
Hi,
there are similar questions to this but I cannot solve my problem.
I am trying to upload a new code using DFU by means of a smartphone (using nRF Connect) or PC (using...
Hi everybody
Is it possible to use secure dfu (SD130v2, SDKv12.2) with 16k RAM dervices (concrete nRF51822 256k flash, 16k ram)? When I try to shrink ram in dfu project...
