programming embedded systems in c and c oreilly

... Programming Embedded Systems in C and C+ + - 44 - you should see is the C source code for main, with a cursor indicating that the embedded processor's instruction pointer is at the entry point ... of blinking the LED simply changes its state once, it could be that you forgot to wrap the calls to toggleLed and delay in an infinite loop. Programming Embedded Systems in C and C+ + - ... from occurring. So, all of these potential failure points and many others had to be eliminated by Programming Embedded Systems in C and C+ + - 3 - Chapter 7. Peripherals 93 7.1 Control and...

Ngày tải lên: 17/03/2014, 13:20

... seriously. In some cases, two or more of the criteria are linked. For example, increases in processing power could lead to increased production costs. Conversely, we might imagine that the same increase ... for use in a line of business calculators produced by the Japanese company Busicom. In 1969, Busicom asked Intel to design a set of custom integrated circuits-one for each of their new calculator ... users. In this chapter, I'll explain what embedded systems are and where they are found. I will also introduce the subject of embedded programming, explain why I have selected C and C+ + as...

Ngày tải lên: 05/08/2014, 10:21

... T0CMPB (PCB_BASE + 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 ... 0x 0C) #define REQST (PCB_BASE + 0x0E) #define INSTS (PCB_BASE + 0x10) /* * Timer/Counters */ #define TCUCON (PCB_BASE + 0x12) #define T0CNT (PCB_BASE + 0x30) #define T0CMPA (PCB_BASE + 0x32) #define ... 0x52) #define P1CON (PCB_BASE + 0x54) #define P1LTCH (PCB_BASE + 0x56) #define P2DIR (PCB_BASE + 0x58) #define P2PIN (PCB_BASE + 0x5A) #define P2CON (PCB_BASE + 0x 5C) #define P2LTCH (PCB_BASE + 0x5E) Other...

Ngày tải lên: 05/08/2014, 10:21

... device. Both of these solutions work very well in practice. 6.3.2 Cyclic Redundancy Codes A cyclic redundancy code (CRC) is a specific checksum algorithm that is designed to detect the most common ... off having some way to confirm that the device is working and that the data it contains is valid. That's where checksums and cyclic redundancy codes come in. 6.3.1 Checksums How can we tell ... device being verified. This makes insertion of the checksum easy-just compute the checksum and insert it into the memory image prior to programming the memory device. When you recalculate the checksum,...

Ngày tải lên: 05/08/2014, 10:21

... remainder; } } /* crcInit() */ Finally, we arrive at the actual workhorse routine, crcCompute. This is a routine that you can call over and over from your application to compute and verify CRC checksums. ... checksums. An additional benefit of splitting the computation between crcInit and crcCompute is that the crcInit function need not be executed on the embedded system. Instead, this function can ... contained within the 80188EB processor. I have chosen to implement this driver -and all of the remaining examples in the book -in C+ +. Although C+ + offers no additional assistance over C in accessing...

Ngày tải lên: 05/08/2014, 10:21

... the routines contextInit and os.readyList.insert. The contextInit routine establishes the initial context for a task. This routine is necessarily processor-specific and, therefore, written in assembly ... system. 8.2.3 Context Switch The actual process of changing from one task to another is called a context switch. Because contexts are processor- specific, so is the code that implements the context switch. ... Priority p, int stackSize) { stackSize /= sizeof(int); // Convert bytes to words. Application Programming Interfaces One of the most annoying things about embedded operating systems is their lack of...

Ngày tải lên: 05/08/2014, 10:21

... constructor. This routine is responsible for initializing the three private data members and configuring the requested data channel within the SCC hardware: #include "scc.h" static SCC scc; /********************************************************************** ... execute during that interval. So we want and need a mechanism to protect critical sections within tasks without disabling interrupts. And mutexes provide that mechanism. Deadlock and Priority Inversion Mutexes ... one simple embedded operating system. Its basic elements are the scheduler and scheduling points, context switch routine, definition of a task, and a mechanism for intertask communication. Every...

Ngày tải lên: 05/08/2014, 10:21

... of other communication protocols. Here's how the SCC class is actually defined: #include "circbuf.h" class SCC { public: SCC(); void reset(int channel); void init(int channel, ... course, not everything introduced in C+ + is expensive. Many older C+ + compilers incorporate a technology called C- front that turns C+ + programs into C and feeds the result into a standard C compiler. ... engineering practice dictates against the use of this technique. But in a pinch, goto statements can be used to remove complicated control structures or to share a block of oft repeated code. In...

Ngày tải lên: 05/08/2014, 10:21

... debugging tools. < BACK CONTINUE > C CISC Complex Instruction Set Computer. Describes the architecture of a processor family. CISC processors generally feature variable-length instructions and ... space can be accessed only via special instructions. For example, processors in the 80x86 family have special I/O space instructions called in and out. Contrast with memory space. < BACK CONTINUE ... function calls, or software interrupts, and a periodic clock tick. The operating system is responsible for deciding which task should be using the processor at a given time and for controlling...

Ngày tải lên: 05/08/2014, 10:21

... channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects. The insects on the cover of Programming Embedded Systems ... Internet resources and brought them all together in one place. Embedded Intel Architecture (http://www.intel.com/design/intarch/) Intel's home page for their embedded processor line, including ... best maintained and it has links to many of the others. CPU Info Center (http://bwrc.eecs.berkeley.edu/CIC/) Tons of information about new and old processors alike. Includes a section specifically...

Ngày tải lên: 05/08/2014, 10:21

Ngày tải lên: 04/10/2013, 19:10

... points in time. I/O Between Discrete-Time Systems and Continuous-Time Systems A class of I/O devices interfaces discrete-time embedded controllers with continuous plants by performing direct conversions ... placement design method Using the Linear Quadratic Regulator and Kalman Filter optimal design methods Implementing and testing discrete-time floating-point and fixed-point controllers in C and C+ + Adding ... understanding the input and results of each technique, without requiring a deep understanding of the mathematical basis for the method. As the applications of embedded computing expand, an increasing...

Ngày tải lên: 19/03/2014, 14:09

... .NET, and click New Project. Then type in a name and location for your project (Figure 1.2). Select the Visual Basic Windows application or Visual C# Windows application, depending on which language ... Symmetric encryption 218 8.6.1 Using 3DES as symmetric encryption 218 8.7 Piracy protection 224 8.8 Conclusion 225 9 Controlling User Access: Authentication and Authorization 227 9.1 Introduction ... 236 9.6 Certificates 236 9.7 Server certificates 238 9.8 Client certificates 239 9.8.1 Microsoft Certificate Services 240 9.8.2 Reading certificates 241 9.9 Permissions in .NET 244 9.10 Financial network...

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20