All Questions
Tagged with arduino-due serial
54 questions
1
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0
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Code uploads to Due and fails to execute but runs on Redboard
I have run into this issue where my code will upload to my Due but fails to execute. I have verified the code works on a SparkFun Redboard. The only code difference is that the SPI pin assignments ...
- 11
1
vote
1
answer
169
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Arduino native USB port and Simulink [closed]
I am trying to communicate through the native USB port of the Arduino Due with a PC.
The native port itself works, I have tested this. The problem is, that every time I upload my Simulink model via ...
- 113
1
vote
1
answer
231
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Can Arduino Due be programmed with both USB ports connected?
It seems, due SAM-BA (SAM Boot Assistant) inside ATSAM3X8E being listening to both Native USB and UART USB ports after a Reset for programming, allowing talking with SAM-BA, this time from your PC, ...
- 337
1
vote
1
answer
210
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Dealing with USB Unplugging?
The following code, debugs SerialUSB Native Port, plugged to a PC, and connected through a Terminal Monitor (such as Termite, with any bps, 8N1, RTS/CTS).
At start, the ports seeks for communication, ...
- 337
2
votes
1
answer
337
views
Reset a UART connection on a Due
I have a system that involves an Arduino Due connected to a Raspi 4 through UART in which the Due sends a heartbeat signal over UART for the pi to receive and send back as confirmation. One of the ...
1
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0
answers
673
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How to access native USB port of Arduino Due on Synology NAS?
I would like to flash my Arduino Due from my Synology DS218+ NAS which runs on an Intel 64bit Linux-derivate platform. Previously, I was able to flash a Mega 2560 from this NAS via avrdude and ...
- 55
0
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2
answers
601
views
Interfacing Arduino with Python Serial
I am implementing an FIR filter using Arduino. I am using an input signal as an audio signal. The audio signal has a duration of 3 seconds with total samples, 66150. What I am doing is reading this ...
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1
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0
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136
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Arduino Due 9-bit serial - Can core Due Libraries be modified to get this functionality similar to Mega and Uno?
Need help to see if I can get an Arduino due to receive and send 9-bit com as already implemented on AVRs like Uno, Mega and even teensy boards, by modifying hardware serial cores. Have not found any ...
- 11
0
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2
answers
4k
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Serial.availableForWrite versus Serial.flush
Is there a difference between the following two line codes?
while (Serial.availableForWrite <= 0) {}
versus
Serial.flush()
Thanks!
- 111
1
vote
1
answer
1k
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Arduino communication protocol with python - beyond pyserial and Arduino example
TL;DR does someone know of a advance and reliable/redudent USB protocol for communicating between a raspberry pi and Arduino due (native port)
I am trying to learn how to build a little robot which I ...
- 145
1
vote
1
answer
286
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Arduino and Processing Call and response not working
I have been trying to develop a connection from the arduino IDE to Processing so I can send data measured on the arduino Pins to processing to display.
I first packaged the 10-bit integers I was ...
- 59
0
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1
answer
3k
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Issues with I2C and Wire.Available()
I am working on a project which requires communication from an Arduino Due (Master) and an FDC2214Q1 C to D IC (Slave), but there is some variability as to whether the code works or not depending on ...
- 73
0
votes
1
answer
142
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MAX232 chip fails to initialize properly with arduino
I have connected a MAX232 chip for RS232 communication with my Arduino.
The chip input is connected to Arduino Tx and it is getting power from external 3.3 volt dc power source.
My Arduino is also ...
- 103
0
votes
1
answer
985
views
Utilizing two different serial ports simultaneously on a due
I am trying to understand how the serial ports are configured on the due board. Please correct me if i'm wrong, but to my understanding, the due has:
Four separate serial ports ("serial", and "serial ...
- 261
0
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1
answer
501
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Arduino Due & Spec gas sensor - how to choose specific information from a stream of incoming bytes to store
I'm trying to build an air pollution sensor for a college project, with an Arduino Due and a series of Spec Sensors digital gas detectors. However, I'm having a little trouble getting the first one of ...
0
votes
1
answer
117
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Using digital pins 0/1 on Arduino Due when writing/reading over serialUSB port
I am aware that you cannot use pins 0 and 1 as digital pinouts when communicating over serial via serial.print(), but what if you are using the native port on the due with serialUSB.write()?
Thanks
1
vote
1
answer
121
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Garbled high bits on serial output
I'm trying to send the byte 0x5A (0b01011010) on the serial output of an Arduino Due. My program is based on this example project, but I've stripped out all the unrelated parts:
#
- 229
1
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6
answers
6k
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What is a faster alternative to parseInt()?
I'm making an LED spectrum analyzer with an Arduino Due and my PC. The audio processing is done on the PC, and then sent to the Arduino. The exact data sent is a 'coordinate', or more specifically, a ...
- 147
2
votes
2
answers
4k
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Python - Arduino communication not reliable
I'm trying to establish basic communication between python and my arduino due. I have managed to get a message sent to the arduino and sent back, but the code that achieves this task does not give ...
- 51
1
vote
1
answer
405
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Serial write skips on Arduino Due
I bought Feetech SCS09 smart servos (also known as SCS009 or SCS0009).
Please note that these servos are not regular PWM servos, they are devices that communicate with board using Serial connection ...
2
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0
answers
596
views
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 ...
- 33
0
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2
answers
5k
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Fastest communication between Arduino and PC
I am using an Arduino 2 which collects data from a set of microphones and stores it in an array of unsigned short of 40000 elements and sends them to the PC via Serial USB.
It is working but I'd ...
0
votes
1
answer
2k
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Increase Serial Rx buffer
I am working with an Arduino Due and I am having some issue with the serial Rx buffers size. I am using a GSM module and some of the replies to the Arduino exceed the number of bytes I can store in ...
- 145
0
votes
1
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746
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How to save a hex file into Arduino Flash to send it via Serial?
I have a text file with hex values formatted in the following style:
A0 3F 55 01 00 C7 55 01 00 C7 AA 29 71 11 00 0B
00 C7 AA 29 71 1F AA 29 71 11 55 01 A0 3F 55 DC
...
How can I save this data into ...
- 515
1
vote
1
answer
5k
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SerialUSB on Arduino Due
I'm starting fiddling with a Due but I can't seem to be able to communicate over USB with it. Here is my code:
int bauds = 9600;
void setup() {
SerialUSB.begin(bauds);
}
void loop() {
if (...
- 111
1
vote
2
answers
2k
views
Sending Large Packets and Reassembling over Serial
I'm trying to send info of about 30-40kB over the Serial ports on an Arduino Due. But I'm running into a few problems.
First, before we get into the actual transfer over the Serial, I want to try ...
- 107
2
votes
0
answers
4k
views
Reading Serial Data Using readBytes() and Use of Serial.read()
I'm trying to mix Serial.read() and Serial.readBytes() when reading over one of the Serial ports on my Arduino Due.
I thought that using Serial.read() would clear what is on the serial, and then ...
- 107
4
votes
0
answers
716
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ArduinoDue - Matlab: SerialUSB.write() sends ASCII?
I'm trying to get some binary data from an Arduino Due to Matlab.
Basically this is the setup:
Due:
byte usbMsg[33]= {0};
// filled with dummy as example
usbMsg[1] = '00000001';// in[3];
usbMsg[2] ...
- 141
6
votes
1
answer
46k
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How do I read from /dev/ttyACM0 in Linux without a terminal emulator?
I just bought an Arduino Due and I'm having trouble reading from a simple serial IO program.
I have a SparkFun RedBoard which is like an Uno. With that, I just ran a "stty" command to configure the ...
- 477
2
votes
1
answer
297
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Is it possible to run 2 functions, that communicate with 2 different serial devices, in parallel using FreeRtos library?
This might seem like a very broad question but that's what i want it to be for multiple ways of implementation.
I've an Arduino UNO communicating with 2 Serial devices interfaced using SoftwareSerial ...
- 56
0
votes
1
answer
3k
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Two or More Arduinos Handshaking
research would show that there are numerous ways for two arduinos to talk to one another. But i was looking for a 'basic robust protocol' (..it doesn't sound basic ....I know!), to allow for two ...
- 127
1
vote
1
answer
687
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How to disable the write protection of the USART mode register?
I have a device which transmits USART with inverted polarity, and I would like to read data from it with the help of an Arduino. I use an Arduino Due, which has a SAM3X processor, so it should be able ...
- 149
0
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3
answers
2k
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Serial Monitor not displaying anything
I have a very basic script that is supposed to display something to the serial monitor but no matter what I try the serial monitor won't display anything...I;ve watched about 5 tutorials now and each ...
- 147
0
votes
3
answers
18k
views
Simultaneously reading data from multiple serial ports
I have three sensors latched on to three different Arduino devices.
The respective Arduino devices are connected on to an Arduino Mega on Serial1, Serial2 and Serial3.
The data from each device ...
- 127
7
votes
1
answer
594
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On Arduino Due webserver, there is a 5 second delay on Windows, only when connected via native port
My Due webserver was working perfectly fine for months when connected to Linux via the native port.
But when connected to Windows 10 via the native port, if the Arduino webserver is idle for about 5 ...
- 533
3
votes
1
answer
16k
views
Graph plotting on Python using Tkinter Canvas
I'm trying to plot a graph with python using the canvas widget, I'm currently sending data in from an arduino sensor sketch ..does anyone have an idea on how I can plot this graph in real time on ...
- 127
1
vote
1
answer
4k
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Graph plotting on Processing from Arduino sensor data
I am trying to plot a graph on processing but I'm having challenges going about it. The processing sketch below does work for plotting only one axis, and I'm trying to plot all three axis on the same ...
- 127
0
votes
1
answer
1k
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Why does Arduino Due Native Port change serial ports after every reset? (Linux)
Previously I had my Due connected via Programming Port for weeks, and it never changed serial ports after pressing the reset button. Recently I switched to having it connected via the Native Port ...
- 533
2
votes
0
answers
138
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println() changes values of variables
I have a function which returns a float value.
I want to see what value is returned so I print it just before the return statement.
Surprisingly, the value is 0 (it shouldn't be 0).
When I want to ...
- 21
0
votes
1
answer
3k
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arduino due-Python interfacing for high speed data rate
Four our project, I want to send data mesured by an Arduino due to a computer via Pyton very vast. So I tried to make a simple benchmark by sending 10240 int datas to determine the time it take. In ...
1
vote
1
answer
3k
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Arduino Serial.write sending more than 64 bytes
I am using an Arduino Due to collect a large amount of data from an encoder (about 1kb). Afterwards I need to send the collected data to a C# application I wrote over the serial port. I serialized my ...
user11933
0
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1
answer
84
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Wrong code ouput, when the specific function runs more than once
If I run the following code, I get the correct output, and the path is displayed on the serial monitor. However when I run the code together with the commented out portion (in the code below) I don't ...
1
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0
answers
1k
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Arduino Due and BNO055
For a physical activity monitoring project, I am developing a prototype based on an Arduino Due and several IMUs (BNO055 from Bosch).
I have to collect the data from the sensors simultaneously (3 for ...
- 61
2
votes
1
answer
785
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What protocols and tools does Arduino Due use for flashing and debugging?
I am interested in writing a simple C program outside of the Arduino IDE and respective libraries, but deploying it directly to an Arduino Due (which uses a SAM3X8E ARM MCU). I am trying to figure out ...
- 509
2
votes
0
answers
569
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Arduino Due - Multiple Serial Lines
I'm trying to interface with a serial device utilizing Serial1 (pins 18,19) on the Arduino Due. The normal serial port (Serial) is working just fine and is acting as a debug port at the moment - It's ...
- 21
1
vote
1
answer
549
views
Has anyone used an Arduino to transfer software to an Apple IIe?
Yes, you read that right. An Apple IIe.
I have many retro computers and I was thinking that since the Apple II line of computers (especially the IIe) have pretty speedy serial ports that it should ...
- 247
0
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2
answers
755
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Is the used clock for the Baudrate generator adjustable on an arduino due?
I hope to find some answers or pointers to a boggling task of mine:
Having an Arduino DUE that I want to push to its serial limits, I came up with the idea of hooking it up to my rPi via serial at ...
- 101
6
votes
1
answer
9k
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References (e.g, libraries and tutorials) for connecting the 24-bit ADS1256 ADC to arduino
The ADS1256 chip is a high precision 24bit, 8 channel, analog digital converter based on SPI communication that is suitable for biomedical applications and perfect for sensing ECG and EEG signals. I ...
- 181
0
votes
2
answers
660
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Parse data from sensor without delimeters
Im using a variant of Arduino Due embedded on a ARM (Udoo). And I have connected a Medlab SPO2 Pearl 200 sensor to Serial1.
Im just trying to parse input from Serial1 to Serial, in a human-readable ...
3
votes
2
answers
10k
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SerialEvent handling when using multiple serial ports
I would like to use multiple (three) serial ports on an Arduino Due. Instead of polling the ports continuously, I would like to use a Serial.Event function for each of the ports. These handler ...
- 487