All Questions
Tagged with arduino-due programming
22 questions
-1
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1
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SPI with DMA in a Arduino Due
I have a project where I need to store data (~16 Mo) on a memory and be able to fetch the data fast (<36000 bits/s) with DMA because I have other signals to take care of.
Currently I use an SD card ...
- 49
3
votes
0
answers
752
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Getting atsam3x8e (Arduino Due) to work
I decided to make a pcb based on the atsam3x8e (microcontroller used in Arduino Due). For the design I copied most of the layout that I found on this site and looked at the official Arduino Due ...
- 155
1
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0
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79
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Arduino Due Master Programming
I am newbie. In my application Arduino Due is configured as Master and Arduino Uno as Slave. I need to transfer 24-bit Hexadecimal data of about 79-registers to slave device. At the slave end in ...
0
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2
answers
304
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Will an Arduino Uno be able to read 3x incremental encoders?
Encoders are quadrature 600ppr encoders with X2 counting. Therefore 1200 counts per revolution for each encoder. Is there an edge rate limit? I currently have one encoder hooked up using code with ...
1
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0
answers
296
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Arduino Due: Measuring the time between pulses
I have a 'pulse train' generated from a photo interrupter and slotted disc mounted on a rotating shaft. My goal is to measure the time between each rising edge.
I have looked at the data sheet for ...
1
vote
0
answers
729
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pin change interrupt on arduino Due
Greeting! I am finding it difficult setting up a pin change interrupt on an arm board ( I am using Arduino due). I found a sample online which I have used but I discovered that when ever an interrupt ...
1
vote
2
answers
81
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Most efficent way to adjust value
I am working on a system that starts a process based of a set time value (startHour). The user sets the start hour and can only select values from 00-23. I have been asked to start the same process at ...
- 145
0
votes
1
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157
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Rc receiver giving wrong values when controlling servo
So I'm building a helicopter. That why I need a receiver (tgy 9x) to read the values from my controller. Those values get passed to my Arduino due where some calculation happen and then get sent to ...
0
votes
2
answers
752
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Reducing noise and finding sampling rate
I have Arduino Due R3 (84MHz) and I am trying to find the mean of value from AnalogRead. I have to set the sampling rate of 8000 samples/second with 4 channels. I tried using for loop for this purpose....
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2
votes
0
answers
609
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Arduino Serial Communication Issue
I state that I have already written a similar question on StackOverflow thinking that the problem is with my computer software. Anyway, after some shell debugs, I notice that the real issue is on the ...
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1
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2
answers
3k
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The fastest way to read out a digital pin state in an Arduino Due
What is the fastest way to read a digital pin status in an Arduino Due? Is it possible to achieve speed in the Nanosecond area?
With which type of code I can achieve this?
Edit: This question is not ...
- 515
0
votes
1
answer
967
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Arduino Due: ADC gain adjustment problem
I want to increase gain of the ADC channel. To achieve this I'm using adc_set_channel_input_gain function from adc.h. Here is the entire sketch:
const byte aPin = A6;
void setup() {
...
- 145
0
votes
1
answer
136
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Arduino Due: multiple TCS sensors
I am trying to run 2 TCS3200’s from one Arduino Due. Next, I must increase to 4 sensors. I need to read the data from the 2 digital pins but how do I read both within the same loop rather than in ...
- 9
5
votes
4
answers
4k
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Employing C++ code for Arduino
I have Googled quite a lot regarding using a C++ program for uploading to Arduino and related, however I am confused now. Right, my problem is this:
I have written a C++ program which imports RGB ...
0
votes
2
answers
873
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Arduino & ARM - Replacement for avr-libc?
There is very cool avr-libc library that provides direct access for all functions of AVR microcontrollers. I'm writing a project for Arduino Due and I want to use timers and ISRs directly. Is there a ...
- 145