Getting Started and Creating Applications |
13 |
|
|
Software Development Cycle
When you use the Keil Software tools, the project development cycle is roughly |
1 |
the same as it is for any other software |
development project.
1. |
Create a project, select the target |
C51 |
|
A51 |
|
chip from the device database, and |
|
||
|
configure the tool settings. |
ANSI C Compiler |
|
Macro Assembler |
|
|
|
|
|
2. |
Create source files in C or |
ANSI C |
LIB51 |
RTX51 |
|
assembly. |
|||
|
Standard |
Library |
Real-Time |
|
|
|
Library |
Manager |
Operating |
3. |
Build your application with the |
|
|
System |
|
|
|
||
|
project manager. |
BL51 Linker/Locater |
||
|
|
|||
4. |
Correct errors in source files. |
|
|
|
|
|
|
|
|
|
Emulator & |
|
µVision2 Debugger |
|||||
5. Test the linked application. |
|
PROM Programmer |
||||
|
|
|
|
|
Advanced GDI |
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
high-speed |
|
Monitor-51 |
|
||
|
|
|
interface for |
|||
A block diagram of the complete 8051 |
CPU/Peripheral |
|
|
|||
Simulation |
|
Target Debugger |
|
Emulators & |
||
tool set may best illustrate the |
|
|
|
|
|
Target Debuggers |
development cycle. Each component |
|
|
|
|
|
|
is described below. |
|
|
|
|
|
|
µVision2 IDE
The µVision2 IDE combines project management, a rich-featured editor with interactive error correction, option setup, make facility, and on-line help.
Use µVision2 to create your source files and organize them into a project that defines your target application. µVision2 automatically compiles, assembles, and links your embedded application and provides a single focal point for your development efforts.
14 Chapter 1. Introduction
|
C51 Compiler & A51 Assembler |
|
1 |
||
Source files are created by the µVision2 IDE and are passed to the C51 Compiler |
||
or A51 assembler. The compiler and assembler process source files and create |
||
|
relocatable object files. |
|
|
The Keil C51 Compiler is a full ANSI implementation of the C programming |
|
|
language that supports all standard features of the C language. In addition, |
|
|
numerous features for direct support of the 8051 architecture have been added. |
|
|
The Keil A51 macro assembler supports the complete instruction set of the 8051 |
|
|
and all derivatives. |
LIB51 Library Manager
The LIB51 library manager allows you to create object library from the object files created by the compiler and assembler. Libraries are specially formatted, ordered program collections of object modules that may be used by the linker at a later time. When the linker processes a library, only those object modules in the library that are necessary to create the program are used.
BL51 Linker/Locator
The BL51 linker creates an absolute object module using the object modules extracted from libraries and those created by the compiler and assembler. An absolute object file or module contains no relocatable code or data. All code and data reside at fixed memory locations. The absolute object file may be used:
|
To program an EPROM or other memory devices, |
|
With the µVision2 Debugger for simulation and target debugging, |
|
With an in-circuit emulator for the program testing. |
Getting Started and Creating Applications |
15 |
|
|
µVision2 Debugger
The µVision2 symbolic, source-level debugger is ideally suited for fast, reliable |
1 |
program debugging. The debugger includes a high-speed simulator that let you |
simulate an entire 8051 system including on-chip peripherals and external hardware. The attributes of the chip you use are automatically configured when you select the device from the Device Database.
The µVision2 Debugger provides several ways for you to test your programs on real target hardware.
Install the MON51 Target Monitor on your target system and download your program using the Monitor-51 interface built-in to the µVision2 Debugger.
Use the Advanced GDI interface to attach use the µVision2 Debugger front end with your target system.
Monitor-51
The µVision2 Debugger supports target debugging using Monitor-51. The monitor program resides in the memory of your target hardware and communicates with the µVision2 Debugger using the serial port of the 8051 and a COM port of your PC. With Monitor-51, µVision2 lets you perform source-level, symbolic debugging on your target hardware.
RTX51 Real-Time Operating System
The RTX51 real-time operating system is a multitasking kernel for the 8051 microcontroller family. The RTX51 real-time kernel simplifies the system design, programming, and debugging of complex applications where fast reaction to time critical events is essential. The kernel is fully integrated into the C51 Compiler and is easy to use. Task description tables and operating system consistency are automatically controlled by the BL51 linker/locator.
16 Chapter 1. Introduction
1 |
Product Overview |
Keil Software provides the premier development tools for the 8051 family of |
|
microcontrollers. We bundle our software development tools into different |
packages or tool kits. The “Comparison Chart” on page 17 shows the full extent of the Keil Software 8051 development tools. Each kit and its contents are described below.
PK51 Professional Developer’s Kit
The PK51 Professional Developer’s Kit includes everything the professional developer needs to create and debug sophisticated embedded applications for the 8051 family of microcontrollers. The professional developer’s kit can be configured for all 8051 derivatives.
DK51 Developer’s Kit
The DK51 Developer’s Kit is a reduced version of PK51 and does not include the RTX51 Tiny real-time operating system. The developer’s kit can be configured for all 8051 derivatives.
CA51 Compiler Kit
The CA51 Compiler Kit is the best choice for developers who need a C compiler but not a debugging system. The CA51 package contains only the µVision2 IDE. The µVision2 Debugger features are not available in CA51. The kit includes everything you need to create embedded applications and can be configured for all 8051 derivatives.
Getting Started and Creating Applications |
17 |
|
|
A51 Assembler Kit
The A51 Assembler Kit includes an assembler and all the utilities you need to |
1 |
|||||||
create embedded applications. It can be configured for all 8051 derivatives. |
||||||||
RTX51 Real-Time Operating System (FR51) |
|
|
|
|||||
The RTX51 Real-Time Operating Systems is a real-time kernel for the 8051 |
|
|
||||||
family of microcontrollers. RTX51 Full provides a superset of the features |
|
|
||||||
found in RTX51 Tiny and includes CAN communication protocol interface |
|
|
||||||
routines. |
|
|
|
|
|
|
|
|
Comparison Chart |
|
|
|
|
|
|
|
|
The following table provides a checklist of the features found in each package. |
|
|
||||||
Tools are listed along the top and part numbers for specific kits are listed along |
|
|
||||||
the side. Use this cross-reference to select the kit that best suits your needs. |
|
|
||||||
|
|
|
|
|
|
|
|
|
Components |
PK51 |
DK51† |
CA51 |
A51 |
|
FR51 |
|
|
µVision2 Project Management & Editor |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
A51 Assembler |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
C51 Compiler |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BL51 Linker/Locator |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LIB51 Library Manager |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
µVision2 Debugger/Simulator |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RTX51 Tiny |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
RTX51 Full |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18 |
Chapter 1. Introduction |
|
|
1