linux c programming read serial port
Serial port programming for Windows and Linux
Ngày tải lên :
05/11/2013, 20:15
... 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 ... necessary
steps that must be completed to communicate with
the serial port in both Windows and Linux, it is time
to create our cross-platform API to facilitate easily
portable serial port code....
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The C programming Langguage 2nd Edition
Ngày tải lên :
16/08/2012, 11:09
... used in comparisons with other characters.
Certain characters can be represented in character and string constants by escape sequences
like \n (newline); these sequences look like two characters, ... the other is specifically
called for. For instance, consider the function squeeze(s ,c) , which removes all occurrences
of the character c from the string s.
/* squeeze: delete all c from s */
...
A character constant is an integer, written as one character within single quotes, such as
'x'. The value of a character constant is the numeric value of the character in the machine's
character...
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Bài giảng C Programming Help
Ngày tải lên :
22/08/2012, 09:26
... • Mỗi c u lệnh viết trên một dòng. C c câu lệnh c ng c p viết trên c ng một c t,
c c câu lệnh c c p nhỏ hơn viết thụt vào trong, c ch lệnh caỏp treõn baống moọt
khoaỷng ... moọt project : chọn menu Project/Close Project.
2. Một số nguyên t c khi keỏt noỏi dửừ lieọu trong Project.
ã Ca c taọp tin .H thường dùng để khai báo c c biến dữ liệu và hàm dùng chung
(export data). ... data). C c thể hiện c thể c a c c biến và hàm này đư c cài đặt trong taọp
tin .CPP tửụng ửựng.
ã ẹeồ traựnh khai baựo truứng laởp khi kết nối c c tập tin vào trong project, bắt đầu và
kết th c tập...
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C Programming Help
Ngày tải lên :
05/09/2012, 15:09
... Bottom;
}RECT;
2. Caựch trỡnh baứy
ã ẹau moói chương trình hay tập tin đều c một số dòng mô tả. C c thông tin
thường đề c p trong phần này thường là : tên tập tin, tóm tắt m c đích c a
chương trình, ... bieỏn kieồu con troỷ
ã Teõn haứm : thửụứng bắt đầu bằng một động từ. Thứ tự c c tham số trong hàm đư c
qui ư c theo thứ tự : c c dửừ lieọu traỷ ve, ca c dửừ lieọu vaứo,
ã Vớ duù :
void CopyArray(int ... để thuận tiện cho vi c
theo dõi chương trình, người ta thường thêm trư c tên biến một số kí tự viết
thường để chỉ kiểu dữ liệu c a biến đó. C c kí tự thường đư c dùng trong qui ư c
này thường...
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The C programming language.
Ngày tải lên :
14/11/2012, 17:10
... in comparisons with
other characters.
Certain characters can be represented in character and string constants by escape sequences like \n
(newline); these sequences look like two characters, ...
A character constant is an integer, written as one character within single quotes, such as 'x'.
The value of a character constant is the numeric value of the character in the machine's ... delimit it. The same escape sequences used in
character constants apply in strings; \" represents the double-quote character. String constants can be
concatenated at compile time:
"hello,...
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Introduction to C++ Programming
Ngày tải lên :
25/04/2013, 19:12
... of objects absorb characteristics from existing classes
Objects
ã Encapsulate data and functions
ã Information hiding
Communicate across well-defined interfaces
2003 Prentice Hall, Inc. All ... Write cout instead of std::cout
2003 Prentice Hall, Inc. All rights reserved.
4
C+ + Standard Library
C+ + programs
Built from pieces called classes and functions
ã C+ + standard library
Rich collections ... Prentice Hall, Inc. All rights reserved.
25
Introduction to Object Technology
ã User-defined types (classes, components)
Data members
ã Data components of class
Member functions
ã Function components...
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C Programming language
Ngày tải lên :
20/10/2013, 17:15
... program that
copies its input to its output one character at a time:
read a character
while (charater is not end-of-file indicator)
output the character just read
read a character
Converting ...
c = getchar();
the variable
c
contains the next character of input. The characters normally come from the
keyboard; input from files is discussed in Chapter 7.
The function
putchar
... function
putchar
prints a character each time it is called:
putchar (c) ;
prints the contents of the integer variable
c
as a character, usually on the screen. Calls to
putchar
and
printf
may...
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Programming the Parallel Port
Ngày tải lên :
04/11/2013, 18:15
... latch is
connected to the data write output of the command decoder block. This signal is activated anytime the
microprocessor executes a port write bus cycle with the port address x78h or x7Ch.
The ... Some popular latch ICs.
Name Description
74HCT373 Octal D-type latch
74HCT573 Octal D-type latch
Page 24
Counters
Counters, as the name suggests, count. The counter has a clock input pin, a reset ... popular counter ICs.
Name Description
74LS90 Decade counter
74HCT4024 Six-stage binary counter
74HCT4040 12-Stage binary counter
74HCT190 Synchronous decade up/down counters with mode control
74HCT191...
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Serial Port Complete
Ngày tải lên :
06/11/2013, 08:15
... 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 ... 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 ... networks.
On PCs, ports that applications can access as COM ports include these:
ã RS-232 ports on older motherboards or on expansion cards.
ã Ports that connect to a PC via a USB converter that...
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Tài liệu Practical C Programming P2 pptx
Ngày tải lên :
12/12/2013, 22:15
... Turbo C+ + under MS-DOS
Borland International makes a low-cost MS-DOS C+ + compiler called Turbo C+ +.
This compiler will compile both C and C+ + code. We will describe only how to
compile C code. ... their offerings is a C compiler called gcc.
To compile a program using the gcc compiler use the following command line:
% gcc -g -Wall -ohello hello .c
The additional switch -Wall turns on the ...
is:
C: > bcc -ml -v -N -P -w -ehello hello .c
The command-line options are the same for both Turbo C+ + and Borland C+ +.
2.3.3.5 Microsoft Visual C+ +
Microsoft Visual C+ + is another C+ + /C compiler...
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Tài liệu Practical C Programming P1 doc
Ngày tải lên :
12/12/2013, 22:15
... Foundation's gcc compiler. For MS-DOS/Windows users,
instructions are included for Borland C+ +, Turbo C+ +, and Microsoft
Visual C+ +. (These compilers compile both C and C+ + code.) The
book ... and Functions
Scope and Class
Functions
Functions with No Parameters
Structured Programming
Recursion
Answers
Programming Exercises
10. C Preprocessor
#define Statement
Conditional ... to anyone who can send electronic mail to, and
receive electronic mail from, Internet sites. Any company or service provider that
allows email connections to the Internet can access FTPMAIL....
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Tài liệu C Programming for Embedded Systems docx
Ngày tải lên :
22/12/2013, 02:17
... fixed input port called port D,
which is used for serial port programming.
ã The Microchip PIC1 6C7 4 has five ports: PORTA through PORTE. Each port has an associated
TRIS register that controls ...
instructions to the COPCR register. Interestingly, the COP watchdog is dependent upon the system
clock; a clock monitor circuit resets the MCU if the clock stops, and thereby renders the COP
watchdog ... manoeuvre.
Programming the prescalar and starting the clock are tasks of the software developer. Knowing the
processor clock frequency, and choosing correct prescalar values, you can achieve accurate...
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Tài liệu chương 5: Hoạt động của port nối tiếp (Serial Port) pptx
Ngày tải lên :
20/01/2014, 19:20
... 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...
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