barcode reader code in asp.net c# Part II in Software

Maker QR Code JIS X 0510 in Software Part II

Part II
QR Code ISO/IEC18004 Decoder In None
Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications.
QR Printer In None
Using Barcode creator for Software Control to generate, create QR Code image in Software applications.
Electronics
QR Code ISO/IEC18004 Recognizer In None
Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications.
QR-Code Creator In Visual C#.NET
Using Barcode printer for Visual Studio .NET Control to generate, create QR Code ISO/IEC18004 image in .NET framework applications.
Sensors Vehicle speed
Creating QR In Visual Studio .NET
Using Barcode encoder for ASP.NET Control to generate, create QR Code JIS X 0510 image in ASP.NET applications.
QR Creation In .NET Framework
Using Barcode creator for VS .NET Control to generate, create QR Code image in VS .NET applications.
Displays Vehicle speed
Printing Quick Response Code In VB.NET
Using Barcode printer for VS .NET Control to generate, create Quick Response Code image in VS .NET applications.
Making Code 3 Of 9 In None
Using Barcode creation for Software Control to generate, create Code39 image in Software applications.
Fuel level Microcomputer Battery charging rate Oil pressure
Make UCC - 12 In None
Using Barcode generation for Software Control to generate, create UPCA image in Software applications.
Make Code 128 Code Set A In None
Using Barcode drawer for Software Control to generate, create Code 128B image in Software applications.
Fuel quantity
EAN-13 Creator In None
Using Barcode drawer for Software Control to generate, create UPC - 13 image in Software applications.
DataMatrix Generation In None
Using Barcode generation for Software Control to generate, create Data Matrix image in Software applications.
Alternator warning Oil pressure warning
Generating RoyalMail4SCC In None
Using Barcode creation for Software Control to generate, create British Royal Mail 4-State Customer Code image in Software applications.
Code 3/9 Creation In Java
Using Barcode maker for Java Control to generate, create Code 39 image in Java applications.
Figure 1434 Automotive instrumentation
UCC.EAN - 128 Creation In Java
Using Barcode drawer for Eclipse BIRT Control to generate, create EAN128 image in BIRT reports applications.
Code-128 Scanner In Visual C#
Using Barcode reader for VS .NET Control to read, scan read, scan image in Visual Studio .NET applications.
Physical input
Bar Code Maker In C#.NET
Using Barcode generator for .NET Control to generate, create bar code image in .NET framework applications.
Recognizing Bar Code In Java
Using Barcode Control SDK for BIRT Control to generate, create, read, scan barcode image in Eclipse BIRT applications.
8 bit data bus Sensor ADC CPU
Decode Barcode In None
Using Barcode scanner for Software Control to read, scan read, scan image in Software applications.
UPC Symbol Generation In None
Using Barcode generator for Office Word Control to generate, create UPC-A Supplement 2 image in Microsoft Word applications.
End of conversion
Figure 1435 Sensor interface
1 Microprocessor INT INT CLEAR Q SET D Interrupt request from the ADC (conversion complete)
Interrupt request flip-flop
Figure 1436 Interrupt request in a microprocessor
The interrupt may occur at any point in a program s execution, independent of the internal clock; it is therefore referred to as an asynchronous event
Instruction Set for the MC68HC05 Microcontroller The complete instruction set for the MC68HC05 microcontroller may be found in the accompanying CD-ROM
14
Digital Systems
Programming and Application Development in a Microcontroller Section 146 illustrates the use of a microcontroller in a very common application: the control of an automotive engine
A TYPICAL AUTOMOTIVE ENGINE MICROCONTROLLER
This section gives the reader an insight to the functioning of a typical automotive engine controller The system described is based on the features of commercially available 32-bit microprocessors Table 147 lists the microcontroller s major characteristics
Table 147 Characteristics of automotive microcontroller I/O section inputs Variable reluctance sensor interfacea Hall sensor b interfaces (cam, crank) Analog input Exhaust gas oxygen sensors Discrete pull-ups to ignition Discrete pull-downs to ground PWM/frequency inputs Power and ground I/O section outputs Discrete low-side drivers PWM low-side drivers Low-side-driven fuel injectorsc Low-side-driven coil drivers High-side drivers High- and low-side current-controlled outputs Stepper motor driver H-bridge driver
Processor section Microcoded timing channels (TPU time processor unit) Discrete I/O channels PWM channels 8-bit ADC channels 10-bit ADC channels Boot memory ( ash) RAM Serial communication (RS-232, CAN, Class II, UART)
a See 16 Focus on Measurements: Magnetic Reluctance Position Sensor for an explanation of the operation of this sensor b See 7 Focus on Measurements: How Hall-Effect Current Transducers Work for an explanation of the operation of this sensor c See 11 for an example of a fuel injector driver
General Description The controller consists of a processor section and an input/output (I/O) section, mounted in an enclosure These two sections are usually combined onto one printed circuit board for cost considerations A generic controller may be programmed with different software for a wide range of production engine applications, or speci c hardware/software designs may be provided for each vehicle application Through embedded software, the controller is able to communicate with a personal computer (PC) for software debugging and development Serial bus based instrumentation is also available to assist in the development process, before an application is released for vehicle production A block diagram of a typical system con guration is given in Figure 1437
Part II
Electronics
IGN BATT GND
Injectors and spark plugs
Fuel and spark drivers
Differential I/Ps
Exhaust gas O2 sensors
Power supply ADC (8-bit)
5 V 10 V 12 V
PWM drives Output Stepper drives driver Idle air control module
ADC (10-bit)
QSPI BUS
Signal Conditioners
Air temperature Fuel level Throttle position Coolant temperature
TPU BUS
32-bit processor
Instrumentation connector
Serialcontrolled power drivers
ADDRESS BUS DATA BUS
Instrument cluster Lamps A/C clutch
Class II Serial link
Data
Engine position Wheel speed Mass air flow Cruise control Knock
Signal Buffer and Conditioning Transmission control interface
Boot memory (flash)
SCI RXD SCI TXD
RS-232 { serial link UART {
TXD RXD URT-TXD URT-RXD
Transmission controller
CAN BUS Control
Data
Figure 1437 System block diagram
Processor Section The processor comprises a 32-bit microprocessor, memory, analog and digital I/O, timing channels, serial communications, and all required supporting logic
Microprocessor
Typical of many systems, the controller printed circuit board is designed to accept a plug-in replacement microprocessor, in anticipation of updates for higher performance and/or additional features Such modi cations may require a new crystal, different value resistors, capacitors, etc Typical crystal frequencies for automotive applications would be around 5 MHz, for a clock frequency of about 20 MHz A popular family of processors consists of a central processing unit and three integrated modules Each of these modules can function on its own once it is initialized by the central processing unit
Central Processing Unit
The processor is equipped with a background mode, which can be used for program download or system diagnostics No target software is required for operation of this
14
Digital Systems
system, provided proper hardware and software for a personal computer (desktop or laptop) are present
Timer Processor Unit (TPU)
The TPU has 16 channels of microcode-controlled pulse I/O It comes with a prede ned set of channel control programs called primitives The TPU can be reprogrammed by using the on-chip RAM in the emulation mode Programming for the TPU can be done by the end user
System Integration Module (SIM)
The SIM performs various functions, some of which include:
External bus interface Interrupt detection Chip select activation Programmable timer interrupt Clock generation System protection System testing
Copyright © OnBarcode.com . All rights reserved.