Diskuze: komunikace PC-Arduino
V předchozím kvízu, Test znalostí C# .NET online, jsme si ověřili nabyté zkušenosti z kurzu.
Zobrazeno 2 zpráv z 2.
V předchozím kvízu, Test znalostí C# .NET online, jsme si ověřili nabyté zkušenosti z kurzu.
Kód z Visual studia
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;
namespace WindowsFormsApplication21
{
public partial class Form1 : Form
{
bool isConnected = false;
String[] ports;
SerialPort port;
int hodnota;
string hodnotaString;
string odesli;
string adresaODESLAT = "H1 ";
string adresaNACIST = "h1 ";
string nacist;
public Form1()
{
InitializeComponent();
disableControls();
getAvailableComPorts();
foreach (string port in ports)
{
comboBox1.Items.Add(port);
Console.WriteLine(port);
if (ports[0] != null)
{
comboBox1.SelectedItem = ports[0];
}
}
}
private void button2_Click(object sender, EventArgs e)
{
if (!isConnected)
{
connectToArduino();
}
else
{
disconnectFromArduino();
}
}
void getAvailableComPorts()
{
ports = SerialPort.GetPortNames();
}
private void connectToArduino()
{
isConnected = true;
string selectedPort = comboBox1.GetItemText(comboBox1.SelectedItem);
port = new SerialPort(selectedPort, 9600, Parity.None, 8, StopBits.One);
port.Open();
button2.Text = "odpojit";
enableControls();
}
private void disconnectFromArduino()
{
isConnected = false;
port.Close();
button2.Text = "pripojit";
disableControls();
resetDefaults();
}
private void enableControls()
{
comboBox1.Enabled = false;
button1.Enabled = true;
button3.Enabled = true;
numericUpDown1.Enabled = true;
}
private void disableControls()
{
comboBox1.Enabled = true;
button1.Enabled = false;
button3.Enabled = false;
numericUpDown1.Enabled = false;
}
private void resetDefaults()
{
label1.Text = "";
}
private void button1_Click(object sender, EventArgs e)
{
hodnota = Convert.ToInt32(numericUpDown1.Value);
hodnotaString = Convert.ToString(hodnota);
odesli = adresaODESLAT + hodnotaString;
port.WriteLine(odesli);
}
private void button3_Click(object sender, EventArgs e)
{
port.WriteLine(adresaNACIST);
nacist = port.ReadLine();
label1.Text = nacist;
}
private void comboBox1_Click(object sender, EventArgs e)
{
comboBox1.Items.Clear();
ports = SerialPort.GetPortNames();
//comboBox1.Items.Clear();
//getAvailableComPorts();
//nactiport();
foreach (string port in ports)
{
comboBox1.Items.Add(port);
if (ports[0] != null)
{
comboBox1.SelectedItem = ports[0];
}
}
}
}
}Kód arduina
#include <EEPROM.h>
int hodnota;
String inputString="";
byte stringComplete;
void writeToEEPROM(int adr, byte data){
byte val = EEPROM.read(adr);
if (data!=val){EEPROM.write(adr, data);}
}
void readSettings(){
hodnota = EEPROM.read(0);
}
void setup() {
Serial.begin(9600);
readSettings();
}
void EEPROMka()
{
while (Serial.available()) {
char inChar = (char)Serial.read();
inputString += inChar;
if (inChar == '\n') {
stringComplete = true;
}
}
if (stringComplete){
inputString.trim();
char* data = inputString.c_str();
char* part = strtok(data, " ");
//////////////////////////////////////
//////////////////////////////////////
//Zápis
if (strcmp(part, "H1") == 0){
part = strtok(NULL, " ");
int adr=0;
int val = atoi(part);
writeToEEPROM(adr,val);
/*Serial.print("EEPROM[");
Serial.print(adr,DEC);
Serial.print("]<=");
Serial.println(val,DEC);*/
readSettings();
}
//Zápis
//////////////////////////////////////
//////////////////////////////////////
//ČTENÍ
if (strcmp(data, "h1") == 0)
{
//Serial.print("HODINA1=");
Serial.println(hodnota,DEC);
}
//ČTENÍ
//////////////////////////////////////
//////////////////////////////////////
inputString="";
stringComplete=0;
}
}
void loop() {
EEPROMka();
}
Zobrazeno 2 zpráv z 2.