From b8dadd82d4afff0e5e6b6a8a00df948045d31503 Mon Sep 17 00:00:00 2001
From: Simon Gagne <gags2431@usherbrooke.ca>
Date: Thu, 16 Mar 2023 10:06:04 -0400
Subject: Commit pour deplacement vers VSStudio

---
 include/serial/SerialPort.cpp | 131 ++++++++++++++++++++++++++++++++++++++++++
 include/serial/SerialPort.hpp |  31 ++++++++++
 2 files changed, 162 insertions(+)
 create mode 100644 include/serial/SerialPort.cpp
 create mode 100644 include/serial/SerialPort.hpp

(limited to 'include/serial')

diff --git a/include/serial/SerialPort.cpp b/include/serial/SerialPort.cpp
new file mode 100644
index 0000000..2fff251
--- /dev/null
+++ b/include/serial/SerialPort.cpp
@@ -0,0 +1,131 @@
+/*
+* Author: Manash Kumar Mandal
+* Modified Library introduced in Arduino Playground which does not work
+* This works perfectly
+* LICENSE: MIT
+*/
+
+#include "SerialPort.hpp"
+
+SerialPort::SerialPort(const char *portName, int BAUD)
+{
+    this->connected = false;
+
+    this->handler = CreateFileA(static_cast<LPCSTR>(portName),
+                                GENERIC_READ | GENERIC_WRITE,
+                                0,
+                                NULL,
+                                OPEN_EXISTING,
+                                FILE_ATTRIBUTE_NORMAL,
+                                NULL);
+    if (this->handler == INVALID_HANDLE_VALUE)
+    {
+        if (GetLastError() == ERROR_FILE_NOT_FOUND)
+        {
+            std::cerr << "ERROR: Handle was not attached.Reason : " << portName << " not available\n";
+        }
+        else
+        {
+            std::cerr << "ERROR!!!\n";
+        }
+    }
+    else
+    {
+        DCB dcbSerialParameters = {0};
+
+        if (!GetCommState(this->handler, &dcbSerialParameters))
+        {
+            std::cerr << "Failed to get current serial parameters\n";
+        }
+        else
+        {
+            dcbSerialParameters.BaudRate = BAUD;
+            dcbSerialParameters.ByteSize = 8;
+            dcbSerialParameters.StopBits = ONESTOPBIT;
+            dcbSerialParameters.Parity = NOPARITY;
+            dcbSerialParameters.fDtrControl = DTR_CONTROL_ENABLE;
+
+            if (!SetCommState(handler, &dcbSerialParameters))
+            {
+                std::cout << "ALERT: could not set serial port parameters\n";
+            }
+            else
+            {
+                this->connected = true;
+                PurgeComm(this->handler, PURGE_RXCLEAR | PURGE_TXCLEAR);
+                Sleep(ARDUINO_WAIT_TIME);
+            }
+        }
+    }
+}
+
+SerialPort::~SerialPort()
+{
+    if (this->connected)
+    {
+        this->connected = false;
+        CloseHandle(this->handler);
+    }
+}
+
+// Reading bytes from serial port to buffer;
+// returns read bytes count, or if error occurs, returns 0
+int SerialPort::readSerialPort(const char *buffer, unsigned int buf_size)
+{
+    DWORD bytesRead{};
+    unsigned int toRead = 0;
+
+    ClearCommError(this->handler, &this->errors, &this->status);
+
+    if (this->status.cbInQue > 0)
+    {
+        if (this->status.cbInQue > buf_size)
+        {
+            toRead = buf_size;
+        }
+        else
+        {
+            toRead = this->status.cbInQue;
+        }
+    }
+
+    memset((void*) buffer, 0, buf_size);
+
+    if (ReadFile(this->handler, (void*) buffer, toRead, &bytesRead, NULL))
+    {
+        return bytesRead;
+    }
+
+    return 0;
+}
+
+// Sending provided buffer to serial port;
+// returns true if succeed, false if not
+bool SerialPort::writeSerialPort(const char *buffer, unsigned int buf_size)
+{
+    DWORD bytesSend;
+
+    if (!WriteFile(this->handler, (void*) buffer, buf_size, &bytesSend, 0))
+    {
+        ClearCommError(this->handler, &this->errors, &this->status);
+        return false;
+    }
+    
+    return true;
+}
+
+// Checking if serial port is connected
+bool SerialPort::isConnected()
+{
+    if (!ClearCommError(this->handler, &this->errors, &this->status))
+    {
+        this->connected = false;
+    }
+
+    return this->connected;
+}
+
+void SerialPort::closeSerial()
+{
+    CloseHandle(this->handler);
+}
\ No newline at end of file
diff --git a/include/serial/SerialPort.hpp b/include/serial/SerialPort.hpp
new file mode 100644
index 0000000..a207d0c
--- /dev/null
+++ b/include/serial/SerialPort.hpp
@@ -0,0 +1,31 @@
+/*
+* Author: Manash Kumar Mandal
+* Modified Library introduced in Arduino Playground which does not work
+* This works perfectly
+* LICENSE: MIT
+*/
+
+#pragma once
+
+#define ARDUINO_WAIT_TIME 2000
+#define MAX_DATA_LENGTH 255
+
+#include <windows.h>
+#include <iostream>
+
+class SerialPort
+{
+private:
+    HANDLE handler;
+    bool connected;
+    COMSTAT status;
+    DWORD errors;
+public:
+    explicit SerialPort(const char *portName, int BAUD);
+    ~SerialPort();
+
+    int readSerialPort(const char *buffer, unsigned int buf_size);
+    bool writeSerialPort(const char *buffer, unsigned int buf_size);
+    bool isConnected();
+    void closeSerial();
+};
\ No newline at end of file
-- 
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