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Topic: Arduino leonardo Serial Write to Visual studio ? (Read 1 time) previous topic - next topic

nsmet

Hey everyone

I am currently working on a project for a wearable. I'm making an activity tracker. I bought Adafruits Flora and i am writing an application in Visual Studio. I put Arduino leonardo in the description cause they are basicly the same , and i think most of the people wouldn't know what a flora is.

Now for the question : I am able to write from visual S to my flora and make it do stuff. But I'm not able to send something back.
I want to send the command (allsend" to VS and make it close the connection and proceed on.

Can someone spot the problem ?

Code: [Select]

#include <Adafruit_GPS.h>
#include <SoftwareSerial.h>
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_LSM303_U.h>
#include <Adafruit_NeoPixel.h>


Adafruit_GPS GPS(&Serial1);
Adafruit_NeoPixel pixelring = Adafruit_NeoPixel(16, 10, NEO_GRB + NEO_KHZ800);

// Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console
// Set to 'true' if you want to debug and listen to the raw GPS sentences
#define GPSECHO false

// this keeps track of whether we're using the interrupt
// off by default!
boolean usingInterrupt = false;
boolean alreadyGreen = false;
boolean alreadyRed = false;


boolean syncingInProgress = true;
uint16_t lastPixelOnNeoRing=0;

String distance;
int heartRate;
int longtitude;
int latitude;
int duration;

boolean distanceLogged = false;
void setup()  
{
 // connect at 115200 so we can read the GPS fast enough and echo without dropping chars
 // also spit it out
 Serial.begin(115200);
 while(!Serial);
 Serial.println("Adafruit GPS library basic test!");

 // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
 //GPS.begin(9600);
 
 // uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
 GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
 // uncomment this line to turn on only the "minimum recommended" data
 //GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);
 // For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since
 // the parser doesn't care about other sentences at this time
 
 // Set the update rate
 GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);   // 1 Hz update rate
 // For the parsing code to work nicely and have time to sort thru the data, and
 // print it out we don't suggest using anything higher than 1 Hz

 //delay(1000);
 // Ask for firmware version
 Serial1.println(PMTK_Q_RELEASE);
 
 pixelring.begin();
 pixelring.show();
}



uint32_t timer = millis();
void loop()                     // run over and over again
{
 if(syncingInProgress == false)
 {
 // read data from the GPS in the 'main loop'
 char c = GPS.read();
 // if you want to debug, this is a good time to do it!
 if (GPSECHO)
     if (c) Serial.print(c);
 
 // if a sentence is received, we can check the checksum, parse it...
 if (GPS.newNMEAreceived()) {
   // a tricky thing here is if we print the NMEA sentence, or data
   // we end up not listening and catching other sentences!
   // so be very wary if using OUTPUT_ALLDATA and trytng to print out data
   //Serial.println(GPS.lastNMEA());   // this also sets the newNMEAreceived() flag to false
 
   if (!GPS.parse(GPS.lastNMEA()))   // this also sets the newNMEAreceived() flag to false
     return;  // we can fail to parse a sentence in which case we should just wait for another
 }
 
 // if millis() or timer wraps around, we'll just reset it
 if (timer > millis())  timer = millis();

 // approximately every 2 seconds or so, print out the current stats
 if (millis() - timer > 2000) {
   timer = millis(); // reset the timer
   
   Serial.print("\nTime: ");
   Serial.print(GPS.hour, DEC); Serial.print(':');
   Serial.print(GPS.minute, DEC); Serial.print(':');
   Serial.print(GPS.seconds, DEC); Serial.print('.');
   Serial.println(GPS.milliseconds);
   Serial.print("Date: ");
   Serial.print(GPS.day, DEC); Serial.print('/');
   Serial.print(GPS.month, DEC); Serial.print("/20");
   Serial.println(GPS.year, DEC);
   Serial.print("Fix: "); Serial.print((int)GPS.fix);
   Serial.print(" quality: "); Serial.println((int)GPS.fixquality);
   
   
   if (GPS.fix) {
     if(alreadyGreen == false)
     {
     NeonPixelGPSLocked();
     startActivity();
     }
     Serial.print("Location: ");
     Serial.print(GPS.latitude, 4); Serial.print(GPS.lat);
     Serial.print(", ");
     Serial.print(GPS.longitude, 4); Serial.println(GPS.lon);
     
     Serial.print("Speed (knots): "); Serial.println(GPS.speed);
     Serial.print("Angle: "); Serial.println(GPS.angle);
     Serial.print("Altitude: "); Serial.println(GPS.altitude);
     Serial.print("Satellites: "); Serial.println((int)GPS.satellites);
   }
   else
   {
     if(alreadyRed == false)
     {
         NeonPixelGPSLost();
     }
   
   }
 }
}
else//if it is in sync mode
{
 
 char character;
 
 while(Serial1.available()>0)
 {
   character = Serial1.read();
   
   switch(character){
     case 'd' :
       Serial.println("allsend");
   }
   
//    if(character == 'd')
//    {
//      Serial.print("allsend");
////      if(distanceLogged == true)
////      {
////        distanceLogged == false;
////        Serial.println('distance : ' + distance);
////        Serial.println('allsend');
////      }
////      else
////      {
////         distanceLogged = true;
////      }
////    
////    }
////    if(distanceLogged == true)
////    {
////      LogDistance(character);
//   }
   
}
}
}

void LogDistance(char incomingChar)
{
 distance.concat(incomingChar);

}

void NeonPixelGPSLost()
{
 for(int i=0; i<pixelring.numPixels();i++)
 {
   pixelring.setPixelColor(i,pixelring.Color(255,0,0));
   pixelring.show();
 }

 
 alreadyRed = true;
 alreadyGreen = false;
}

void NeonPixelGPSLocked()
{
 for(int i=0; i<pixelring.numPixels();i++)
 {
   pixelring.setPixelColor(i,pixelring.Color(124,252,0));
   pixelring.show();
 }
 alreadyGreen = true;
 alreadyRed = false;
}
void startActivity()
{
 
}




nsmet

This is the Visual studio Code. When i put a breakpoint on bytestoRed() it finds nothing. When I do it with my Arduino Uno it does find something.

Code: [Select]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.IO.Ports;

namespace eindwerk
{
    class VStoARDUINO
    {
        private bool _closing;
        private bool _kinectConnected;
        private bool blnPortcanopen = false;
        private bool sendDatabyte = true;
        public bool stopReading = false;
        public bool stopSending = false;

        private SerialPort sp;

        public string IncomingData;
        private Thread SendThread;
        private Thread ReadThread;

        public bool bErrorOccured = false;

        public  List<string> rawdata = new List<string>();

        string senddata;

        public VStoARDUINO(string comport)
        {
            sp = new SerialPort(comport,115200, Parity.None, 8, StopBits.One);
           
         
        }
           
       
        public void OpenConnection()
        {
           
            if (sp != null)
            { 
                if (sp.IsOpen)
                {
                    Console.WriteLine("port already open");
                }
                else
                {
                    try
                    {
                        sp.Open();
                        blnPortcanopen = true;
                       

                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e);
                        blnPortcanopen = false;
                        bErrorOccured = true;
                    }

                    if (blnPortcanopen)
                    {
                        sp.ReadTimeout = 20;
                        Console.WriteLine("port opend!");
                    }
                }
            }
            else
            {
                Console.WriteLine("port == null");
            }
        }


        #region threads
     public void startreading()
        {
            ReadThread = new Thread(threadReading);
            ReadThread.Start();
           
        }
      public void startSending(string data)
        {
            senddata = data;
            SendThread = new Thread(threadSending);
            SendThread.Start();
           
        }
        void threadReading()
        {
            while (!stopReading)
            {
                if (blnPortcanopen)
                {

                    if (sp.BytesToRead > 0)
                    {
                        try
                        {
                            IncomingData = sp.ReadLine();
                            if (IncomingData == "allsend")
                            {
                                rawdata.Add("test");
                                stopReading = true;
                            }
                            else
                            {
                                string data = IncomingData.Remove(IncomingData.Length - 1);
                                rawdata.Add(data);
                            }
                           
                        }
                        catch {
                            bErrorOccured = true;

                        }
                    }
                 
                }
            }
        }
        void threadSending()
        {
            while (!stopReading)
            {
                if (blnPortcanopen)
                {
                    if (sendDatabyte == true)
                    {
                        try
                        {
                        sp.Write(senddata);
                        sendDatabyte = false;
                        }
                        catch (Exception)
                        {

                            bErrorOccured = true;
                        }
                       
                    }

                }
            }
        }
        #endregion

      public void onApplicationQuit()
        {
            stopReading = true;
            blnPortcanopen = false;
            sendDatabyte = true;
            stopSending = true;
            try
            {
                if (sp != null) sp.Close();
            }
            catch {
                bErrorOccured = true;
            }
           
           
        }
        }
    }

Robin2

You have posted a lot of code. How about writing the shortest possible sketch that does nothing but communicate with your VS program so that it is easier to see what the problem is.

...R

nsmet

Hey
This is a very basic test, works perfectly on Uno but not on Flora

Code: [Select]

#include <Adafruit_GPS.h>
#include <SoftwareSerial.h>
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_LSM303_U.h>
#include <Adafruit_NeoPixel.h>


void setup()
{
  Serial.begin(115200);
  while(!Serial);

}
void loop()
{

  if(Serial.available() > 0)
  {
    charcharacter = Serial.read();
   
    if(character == 'd')
    {
      Serial.println("allsend");

    }
  }
}

nsmet

also just found out (don't know if it helpful) that the TX light on the board doesn't light up when it is supposed to send something (println). But when I make another sketch and just loop println("test") it also doesn't do that unless i open the serial monitor ??!

nsmet

I found the solution burried deep on this forum.
http://forum.arduino.cc/index.php/topic,143028.0.html

You have to modify your CDC file and it works like a charm !

PaulS

Quote
I am able to write from visual S to my flora

No, you are not. Visual Studio is an application development platform. It, itself, does NOT connect to any serial port. You can write applications, using Visual Studio, that can connect to a serial port. Unless you can explain what you are doing, correctly, you'll never solve your problem.

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