c serial port read example

Serial port programming for Windows and Linux

... allow //control of the port to be changed //CREAD says to enable the receiver options .c_ cflag |= (CLOCAL | CREAD); //apply the settings to the serial port //TCSNOW means apply the changes now //other ... the port, conﬁgur- ing the port, reading and writing to the port, and ﬁ- nally, closing the port. It is possible then to create an API that contains the functions necessary to success- fully communicate ... non-overlapped communication because overlapped communication requires complicated operat- ing system features such as threads, mutexes, and semaphores making cross-platform operation much harder. 5 Conclusion This...

Ngày tải lên: 05/11/2013, 20:15

10 684 1

Serial Port Complete

... class library can use the SerialPort class to access COM ports. Some USB devices function as virtual COM ports, which applications can access in the same way as physical serial ports. Some Ethernet and ... other support for serial- port communications. Pro- grammers thus can access ports without understanding every detail of the UART’s architecture. To gain access to a port, an application selects a ... system’s CPU. Any PC with a free expansion slot can add this type of port on an expansion card. ã RS-232 ports on PC Cards (also called PCMCIA cards). Any PC with a free PC-Card slot can use these. ã...

Ngày tải lên: 06/11/2013, 08:15

400 363 1

Tài liệu chương 5: Hoạt động của port nối tiếp (Serial Port) pptx

... Xóa c ngắt thu (RI=0) ⇒ Vi c thu dữ liệu bắt ñầu: C c xung clock dịch bit ñư c gởi ra chân TxD và dữ liệu từ thiết bị bên ngoài ñư c dịch vào chân RxD bởi c c xung clock dịch bit này (vi c ... SM0: Serial Mode 0 Bit 0 chọn chế độ c a port noái tieáp. C c chế ñộ c a port nối tiếp: Trư c khi sử dụng port nối tiếp c n phải: Chương 5: Hoạt ñộng c a port nối tiếp (Serial Port) . ... KHIỂN PORT NỐI TIẾP (SCON): Thanh ghi SCON (Serial Control Register): chứa c c bit dùng ñể ñiều khiển chế ñộ hoạt ñộng và báo trạng thái c a port nối tiếp. C u tr c của thanh ghi SCON: SCON: Serial...

Ngày tải lên: 20/01/2014, 19:20

11 1,1K 13

Hướng dẫn giao tiếp Serial port sử dụng VB.Net 2008 qua một số ví dụ pot

... SerialPort1.Close() End If 'Lấy danh sách c c cổng c trên máy' For i As Integer = 0 To My.Computer.Ports.SerialPortNames.Count - 1 ComboBox1.Items.Add(My.Computer.Ports.SerialPortNames(i)) ... Chat giữa hai máy tính qua c ng Com TextBox1 TextBox RichTextBox RichTextBox1 SerialPort SerialPort1 1.2: Lập trình Để lập trình cho c c đối tượng bạn double click vào c c ... Sonbui1903 Chat giữa hai máy tính qua c ng Com II: C c ví dụ C c câu lệnh sử dụng với Serialport c thể xem tại: http://msdn.microsoft.com/en-us/library/system.io.ports.serialport.aspx#Y3078...

Ngày tải lên: 09/03/2014, 20:20

10 2K 6

Koenig, moo accelerated c++ practical programming by example

... giving programmers concise, focused guides to specific topics. Each book in this series presents a single topic, at a technical level appropriate to that topic. The Series' practical approach is designed ... Series provides the tools, concepts, techniques, and new approaches to C+ + that will give you a critical edge. Titles in the Series Accelerated C+ +: Practical Programming by Example, Andrew Koenig ... discarding whitespace characters (space, tab, backspace, or the end of the line) from the input, then reads characters into name until it encounters another whitespace character or end-of-file. Therefore,...

Ngày tải lên: 19/03/2014, 14:10

453 611 0

Microsoft Visual C++ Windows Applications by Example ppt

Ngày tải lên: 27/06/2014, 12:20

435 417 0

SERIAL PORT potx

... i c c chu n kh c. ề ớ ẩ Chu n máy in Cenntronics(IEEE-1284). M i pc ẩ ọ Chu n máy in Cenntronics(IEEE-1284). M i pc ẩ ọ u c chu n này. T c truy n cao qua c p. đề ẩ ố độ ề u c chu n này. T c ... ho c RS-485 ệ ể ế đổ ặ theo giao th c chu n ho c giao th c qui c. ứ ẩ ặ ứ ướ theo giao th c chu n ho c giao th c qui c. ứ ẩ ặ ứ ướ SERIAL PORT SERIAL PORT SERIAL PORT SERIAL PORT InputMode: ... SERIAL PORT SERIAL PORT C CH CH NG M T D LI U :Ơ Ế Ố Ấ Ữ Ệ C CH CH NG M T D LI U :Ơ Ế Ố Ấ Ữ Ệ C nhi u c ch làm th c hi n i u ó, bao g m ề để ự ệ đ ề đ ồ C nhi u c ch làm th c hi n i...

Ngày tải lên: 29/06/2014, 15:20

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Section 16. Basic Sychronous Serial Port (BSSP) pptx

... AN578 Interfacing PIC1 6C6 4/74 to Microchip SPI Serial EEPROM AN647 Interfacing a Microchip PIC1 6C9 2x to Microchip SPI Serial EEPROM AN668  1997 Microchip Technology Inc. DS31016A-page 16-9 Section ... of the “Electrical Speciﬁcations” section. PICmicro MID-RANGE MCU FAMILY DS31016A-page 16-4  1997 Microchip Technology Inc. Register 16-2: SSPCON: Synchronous Serial Port Control Register ... POR reset Register 16-2: SSPCON: Synchronous Serial Port Control Register (Cont’d) PICmicro MID-RANGE MCU FAMILY DS31016A-page 16-24  1997 Microchip Technology Inc. 16.6 Design Tips Question...

Ngày tải lên: 29/07/2014, 10:20

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Microsoft Visual C++ Windows Applications by Example phần 2 doc

... called every time an object of the class is created. // The default constructor is called for each car object. Car carArray[3]; carArray[2].IncreaseSpeed(100); // The default constructor is called ... version can be called to modify the value of the cell and the second version can be called to inspect the value of a constant cell object. Cell cell1(1, NULL); cell1.Value() = 2; const cell2(2, ... named Car.h, Car.cpp, and Main.cpp. Car.h class Car { public: Car(); Car(int iSpeed, int iDirection); ~Car(); void IncreaseSpeed(int iSpeed); void DecreaseSpeed(int iSpeed); Object-Oriented...

Ngày tải lên: 12/08/2014, 21:20

43 327 0

Microsoft Visual C++ Windows Applications by Example phần 3 pdf

... (Logical Coordinates to Device Coordinates) translates MFC class objects CSize, and CRect, and (one or more) CPoint objects between logical and device coordinates. void DPtoLP(CSize* pSize) const; void ... Type> TemplateStack<Type>::~TemplateStack() { Cell<Type>* pCurrCell = m_pFirstCell; while (pCurrCell != NULL) { Cell<Type>* pRemoveCell = pCurrCell; pCurrCell = pCurrCell->Next(); ... The cursor is set in the view class by the SetCursor Win32 API function. CWinApp* AfxGetApp(); HCURSOR LoadStandardCursor(CString stCursorName) const; HCURSOR SetCursor(HCURSOR hCursor); Chapter...

Ngày tải lên: 12/08/2014, 21:20

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Microsoft Visual C++ Windows Applications by Example phần 4 pptx

... turn calls the Win32 API function DestroyCaret. Caret.cpp void Caret::SetAndShowCaret(const CRect rcCaret) { m_rcCaret = rcCaret; CClientDC dc(m_pFocusView); m_pFocusView->OnPrepareDC(&dc); ... purpose. RingDoc.h static const int RADIUS = 500; class CRingDoc : public CDocument { // }; RingView.cpp void CRingView::OnDraw(CDC* pDC) { CRingDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); if ... throws an exception. The check_memory macro catches it and aborts the execution with an error message. Check.h #define check_memory(alloc_code) { try { alloc_code; } catch (CException*)...

Ngày tải lên: 12/08/2014, 21:20

43 381 0