... previous section.Another tool is Checker. The Checker tool uses it’s own version of gcc, checkergcc to include boundarychecks in your code. It is probably better than Electric Fence, but less ... C ++speci c problems, one of the causes of problemswith Cand C ++code, is the policy of requiring explicit allocation and deallocation of dynamic storage(malloc(2) and free(2) (C) or new and ... Using the compiler’s features.Explicit storage allocation and deallocationIn Cand C ++, you have to explicitly allocate and deallocate dynamic storage through malloc and free(for C) and through...
... paired.34Dueling Containers in C+ +vector<Shape *> pic;pic.push_back( new Circle );pic.push_back( new Triangle );pic.push_back( new Square );… list& lt;Shape *> picture;picture.push_back( pic[2] ... delete the objects to which the pointers refer.vector<Shape *> pic;pic.push_back( new Circle );pic.push_back( new Triangle );pic.push_back( new Square );// leaks memory when pic goes out ... delete[]49realloc(p, 0)The realloc() function deallocates the old object and returns a pointer to a new object of a specified size. If memory for the new object cannot be allocated, the realloc() function...
... delay(unsigned int nMilliseconds) { #define CYCLES_PER_MS 260 /* Number of decrement -and- test cycles. */ unsigned long nCycles = nMilliseconds * CYCLES_PER_MS; while (nCycles ); } /* delay() ... delay() */ The hardware-specific constant CYCLES_PER_MS represents the number of decrement -and- test cycles (nCycles != 0) that the processor can perform in a single millisecond. To determine this ... of Chapter 6 through Chapter 10 and discusses advanced topics that are of interest to inexperienced and experienced embedded programmers alike. These chapters are mostly self-contained and can...
... countries.SET and the SET Logo are trademarks owned by SET Secure Electronic Transaction LLC.Other company, product and service names may be trademarks or service marks of others. Chapter 1. Cand C+ + compilers ... between a process and a user thread . . . . . . . . . . . . 276xii Developing and Porting Cand C+ + Applications on AIX Chapter 1. Cand C+ + compilers 231.4 Activating the compilersOnce you have ... licensed product supplies a simple nodelock license certificate. Both the C for AIX Version 6.0 and VisualAge C+ + for AIX Version 6.0 compiler products supply a simple nodelock license certificate.The...
... performance specifications. Performance specifications guide the design process and provide the means for determining when a controller design is satisfactory. Controller performance specifications can ... while repeating the test. Watch for the appearance of actuator saturation and reduce Kp if unacceptable saturation occurs. If satisfactory system performance is achieved, you are done. If the ... orders, please contact:CMP Books Distribution Center, 6600 Silacci Way, Gilroy, CA 95020email: <cmp@rushorder.com>; Web: www.cmpbooks.comISBN: 1-57820-127-6This document was created by...
... Security, Privacy, and CommerceDatabase NationBuilding Secure Servers withLinuxSecurity BooksResource Centersecurity.oreilly.com is a complete catalog of O’Reilly’s books onsecurity and ... These race conditions occur when access is checkedbefore opening a file. The most common way for this to occur is to use theaccess( )system call to verify access to a file, and then to use open( ... fromaccess( ) indicates that access will be granted.The problem is that between the time the access check viaaccess( ) completes and the timeopen( ) begins (both system calls are atomic within...
... wouldreduce the calculation time for multiplication, division, and exponentiation1Without taking into account such practical nonstandard types as unsigned long long in GNU C/ C++ and certain other C ... Bozai.xviwww.it-ebooks.infowww.it-ebooks.infoChapter 1the GNU compiler gcc, the macro __FLINT_API_A is defined by __cdecl, and some compilers understand this as an instruction that the assembler functionscorresponding to the C name and ... call, here for the GNU compiler gcc, looks something likethe following (with the paths to the source directories suppressed):gcc -O2 -o rsademo rsademo.cpp rsakey.cpp flintpp.cpprandompp.cpp...
... the Arcom boardprocessors, and microwave ovens), living rooms (televisions, stereos, and remote controls), and workplaces (faxmachines, pagers, laser printers, cash registers, and credit card ... overnight success, and its use increased steadily over the next decade. Early embeddedapplications included unmanned space probes, computerized traffic lights, and aircraft flight control systems. ... own.• Chapter 9 expands on the device driver and operating system concepts presented in the previous chapters. Itexplains how to control more complicated peripherals and includes a complete...
... 0x34)#define T0CON (PCB_BASE + 0x36)#define T1CNT (PCB_BASE + 0x38)#define T1CMPA (PCB_BASE + 0x3A)#define T1CMPB (PCB_BASE + 0x 3C) #define T1CON (PCB_BASE + 0x3E)#define T2CNT (PCB_BASE + 0x40)#define ... Macintosh computers -and the ubiquitous 80x86 families.A microcontroller is very much like a microprocessor, except that it has been designed specifically for use inembedded systems. Microcontrollers ... term processor refers to any of three types of devices known as microprocessors,microcontrollers, and digital signal processors. The name microprocessor is usually reserved for a chip that containsa...
... device. Both of thesesolutions work very well in practice.6.3.2 Cyclic Redundancy CodesA cyclic redundancy code (CRC) is a specific checksum algorithm that is designed to detect the most common ... memory chip problem you could encounter is a catastrophic failure. This is usually caused by somesort of physical or electrical damage received by the chip after manufacture. Catastrophic failures ... To change to the CRC16standard, simply change the values of the three constants. For CRC32, change the three constants and redefine widthas type unsigned long./* * The CRC parameters. Currently...
... application to compute and verify CRC checksums. An additional benefit of splitting the computationbetween crcInit and crcCompute is that the crcInit function need not be executed on the embedded ... flashBase[UNLOCK1_OFFSET] = FLASH_CMD_UNLOCK1; flashBase[UNLOCK2_OFFSET] = FLASH_CMD_UNLOCK2; * Function: crcInit() * * Description: Initialize the CRC lookup table. This table is used * by crcCompute() ... device registers, I/O-mapped registers, is that there is no standard wayto access them from C or C+ +. Such registers are accessible only with the help of special machine-languageinstructions. And...
... */Notice how the functional part of this routine is surrounded by the two function calls enterCS and exitCS. The blockof code between these calls is said to be a critical section. A critical section ... decide whether to call restoreContext. If contextSwitch did not perform this check,the code associated with the new task would never get to execute.I know this can be a complicated sequence ... 80x86-specific assembly code that I used in ADEOS, I'll show the contextswitch routine in a C- like pseudocode:voidcontextSwitch(PContext pOldContext, PContext pNewContext){ if (saveContext(pOldContext))...
... Receive Buffer Size ~SerialPort(); int putchar(int c) ; int puts(const char *s); int getchar(); char * gets(char *s); private: int channel; CircBuf * pTxQueue; // Transmit Buffer CircBuf ... initializing the three private datamembers and configuring the requested data channel within the SCC hardware:#include "scc.h"static SCC scc;/********************************************************************** ... they can about the behavior and performance of their hardware and software. Inthis section we will discuss the performance characteristics of real-time operating systems, which are a commoncomponent...