c example serial port

... 2003 Abstract While devices that use RS−232 and the serial port to communicate are becoming increasingly rare, it is still an important skill to have. Serial port programming, at its most basic level, consists ... 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 ... 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 valid options include: //...

Ngày tải lên: 05/11/2013, 20:15

... Framework 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. ... 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. • RS-232 ports on PC Cards (also called PCMCIA cards). Any PC with a free PC-Card slot can use these. •...

Ngày tải lên: 06/11/2013, 08:15

... 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 nối tiếp. C c chế độ 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 để điều khiển chế độ hoạt động 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

... 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

... chân PortC c mạch đệm Schmitt Trigger ở ngõ vào. Khi khối I 2 C đƣ c cho phép thì c c chân PORTC<4:3> c thể đƣ c định c u hình ở c c m c I 2 C ho c m c SMBUS bằng c ch sử dụng bit CKE (SSPSTAT<6>). ... khiển kh c nhau c c u hình c c port c ng kh c nhau, phần này sẽ khảo sát c c port c a vi điều khiển PIC bao gồm port A, B, C, D , E và c c lệnh ngơn ngữ C liên quan đến c c port. Mỗi port c a vi ... đ c ở m c cao, kết quả đ c bằng 0 nếu chân đ c ở m c thấp. Ch c năng: lệnh đ c m c logic c a 1 chân nhƣng khơng làm thay đổi hƣớng c a chân. C hiệu l c: lệnh này áp dụng cho tất c c c thiết...

Ngày tải lên: 27/06/2014, 04:20

... 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: ... ậ 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

... 0.75 Tricalcium silicate (C 3 S), E max, % 35 B Dicalcium silicate (C 2 S), E min, % 40 B Tricalcium aluminate (C 3 A) E max, % 8 15 7 B 5 C Tetracalcium aluminoferrite plus twice the tricalcium ... oxide to ferric oxide is 0.64 or more, the percentages of tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite shall be calculated from the chemical analysis ... testing in accordance with Practice C 183. 8.2 Practice C 183 is not designed for manufacturing quality control and is not required for manufacturer’s certification. TABLE 2 Optional Chemical Requirements A Cement...

Ngày tải lên: 10/07/2014, 23:20

Ngày tải lên: 29/07/2014, 10:20

... "); switch (thePortID.getPortType()) { case CommPortIdentifier .PORT _SERIAL: thePort = thePortID.open("DarwinSys DataComm", TIMEOUTSECONDS * 1000); SerialPort myPort = (SerialPort) thePort; Example ... PortInUseException, UnsupportedCommOperationException { new CommPortOpen(null).converse(); System.exit(0); } /* Constructor */ public CommPortOpen(Frame f) throws IOException, NoSuchPortException, PortInUseException, UnsupportedCommOperationException ... */ CommPortIdentifier thePortID; /** The chosen Port itself */ CommPort thePort; public static void main(String[] argv) throws IOException, NoSuchPortException, PortInUseException, UnsupportedCommOperationException...

Ngày tải lên: 27/10/2013, 14:15

... demonstrated that Itch protects cells from the apoptotic effect of tBid. Itch overexpression decreases tBid-induced caspase 3 activity, increasing cell viability. Importantly, when endogenous Itch is downregulated ... the basal level of Itch reduces cell survival and increases caspase 3 activity, consistent with increased tBid levels in these cells. Interestingly, Itch interacts specifically with tBid, and ... for many of the morphological changes that occur during apoptosis. The mitochondrial release of cytochrome c and second mitochondria-derived activator of caspase (Smac ⁄ DIABLO) allows for the formation...

Ngày tải lên: 16/02/2014, 09:20

... SET Secure Electronic Transaction LLC. Other company, product and service names may be trademarks or service marks of others. Chapter 1. C and C+ + compilers 9 char *name; int salary; char addr[40]; char ... information on the semantics of the complex data types, please refer to C for AIX C/ C++ Language Reference, SC09-4958. inline function specifier Function inlining reduces function call overhead, as ... Mark Changfoot, Paul Pacholski, Rene Matteau Developing and Porting C and C+ + Applications on AIX June 2003 International Technical Support Organization SG24-5674-01 Chapter 1. C and C+ + compilers...

Ngày tải lên: 17/03/2014, 13:20

... 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 ... named second, which will contain the second line of the output, and then the program constructs first as a variable that contains as many * characters as the number of characters in second. Finally,...

Ngày tải lên: 19/03/2014, 14:10

... GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTCAGGCTGTGCTCACTCAGCCGTC VL6.link GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTAATTTTATGCTGACTCAGCCCCA JH1-2.link CCACCAGAACCTCCGCCTCCTGATCCGCCACCTCCTGAGGAGACGGTGACCAGGGTGCC JH3.link CCACCAGAACCTCCGCCTCCTGATCCGCCACCTCCTGAAGAGACGGTGACCATTGTCCC JH4-5.link ... CCACCAGAACCTCCGCCTCCTGATCCGCCACCTCCTGAAGAGACGGTGACCATTGTCCC JH4-5.link CCACCAGAACCTCCGCCTCCTGATCCGCCACCTCCTGAGGAGACGGTGACCAGGGTTCC JH6.link CCACCAGAACCTCCGCCTCCTGATCCGCCACCTCCTGAGGAGACGGTGACCGTGGTCCC L. Rian˜ o-Umbarila ... GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTCAGCTCGTGTTGACGCAGCCGCC VL2.link GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTCAGTCTGCCCTGACTCAGCCTGC VL3b.link GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTTCTTCTGAGCTGACTCAGGACCC VL3a.link GGCGGATCAGGAGGCGGAGGTTCTGGTGGAGGTGGGAGTTCCTATGTGCTGACTCAGCCACC VL4.link...

Ngày tải lên: 23/03/2014, 13:20

... Taiwan References 1. Cronbach LJ: Coefficient alpha and the internal structure of tests. Psychometrika 1951, 16:297-334. 2. Cronbach LJ, Shavelson RJ: My current thoughts on coefficient alpha and successor ... study. We recommend that effect sizes such as a 95% CI be reported along with p values reporting significant differences in quality-of-life studies. Background Cronbach's α coefficient (hereinafter ... researchers [4-7]. Conception of research questions The American Psychological Association Task Force on Statistical Inference suggests, "ways provide some effect- size estimate when reporting...

Ngày tải lên: 20/06/2014, 16:20

Ngày tải lên: 27/06/2014, 12:20

... applicable hydraulic cement specification for which the test is being made. Fineness of the cement component is only one of the many character- istics that influence the strength capabilities of concrete. 4. ... Standards: C 114 Test Methods for Chemical Analysis of Hydraulic Cement 3 C 430 Test Method for Fineness of Hydraulic Cement by the 45-µm (No. 325) Sieve 3 C 670 Practice for Preparing Precision ... case including the following features: 4.2.1 Source of Light—The source of light (Fig. 1) shall consist of a concentrated-filament electric lamp of between 3 and 6 cd operated by a source of constant...

Ngày tải lên: 10/07/2014, 23:20

... g of cement and sufficient water to give a paste of normal consistency in accordance with the procedure described in Test Method C 187. Mix this batch in accordance with the procedure described ... valve discharge away from the operator. NOTE 1—Unexpected combinations of conditions may occur. For example, in one case the automatic control had failed, the safety valve had become stuck, and ... molds in accordance with the requirements of Practice C 490 except that molds need not be sealed. 9. Preparation of Test Specimens 9.1 Mixing Cement Paste—Prepare the standard batch con- sisting...

Ngày tải lên: 10/07/2014, 23:20

Ngày tải lên: 10/07/2014, 23:20

Ngày tải lên: 10/07/2014, 23:20