SW006011 Microchip Technology, SW006011 Datasheet

C COMPILER FOR 18XXXXX FAMILY

SW006011

Manufacturer Part Number
SW006011
Description
C COMPILER FOR 18XXXXX FAMILY
Manufacturer
Microchip Technology
Type
MPLAB® PIC18 C Compilerr
Datasheets

Specifications of SW006011

Tool Function
Compiler
Tool Type
Compiler
Processor Series
PIC18
Core Architecture
PIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
PIC18 Series
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Part Number
Manufacturer
Quantity
Price
Part Number:
SW006011
Manufacturer:
Microchip Technology
Quantity:
135
®
MPLAB
C18
C COMPILER
GETTING STARTED
 2002 Microchip Technology Inc.
DS51295A

Related parts for SW006011

SW006011 Summary of contents

Page 1

... Microchip Technology Inc. MPLAB C COMPILER GETTING STARTED ® C18 DS51295A ...

Page 2

... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated. Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...

Page 3

... Uninstalling MPLAB C18 ................................................................... 17 Chapter 3. Examples of Use 3.1 Introduction ........................................................................................ 19 3.2 Highlights ........................................................................................... 19 3.3 Example 1 ......................................................................................... 20 3.4 Example 2 ......................................................................................... 37 3.5 Example 3 ......................................................................................... 40 3.6 Example 4 ......................................................................................... 43 Glossary ...................................................................................................45 Index .........................................................................................................51 Worldwide Sales and Service .................................................................52  2002 Microchip Technology Inc. ® MPLAB GETTING STARTED Table of Contents C18 C COMPILER DS51295A-page iii ...

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... MPLAB C18 C Compiler Getting Started DS51295A-page iv  2002 Microchip Technology Inc. ...

Page 5

... Example 3 demonstrates the allocation of variables in access RAM. - Example 4 demonstrates the use of interrupt service routines with MPLAB C18 and provides an example of the use of the MPLAB C18 peripheral libraries.  2002 Microchip Technology Inc. ® MPLAB C18 C COMPILER GETTING STARTED Preface ® ...

Page 6

... Referenced books The document number. The revision level of the document. Examples #define START c:\autoexec.bat MPASMWIN [main.asm] errorlevel {0|1} list [list_option..., list_option] 0xFFFF, 0x007A char isascii (char ch); File > Save OK, Cancel <Tab>, <Ctrl-C> MPLAB IDE User’s Guide  2002 Microchip Technology Inc. ...

Page 7

... If you encounter problems with any of the procedures or tutorial steps in this document, please see the README files or other recommended reading documents for additional information. If these are not helpful, check out the Technical Support section of our web site or contact customer support.  2002 Microchip Technology Inc. ™ ™ and MPLIB (DS33014) ™ ...

Page 8

... MPLIB and MPLAB LIB30 librarians. EMULATORS - The latest information on Microchip in-circuit emulators. This includes the MPLAB ICE 2000. IN-CIRCUIT DEBUGGERS - The latest information on Microchip in-circuit debuggers. These include the MPLAB ICD and MPLAB ICD 2. apRNOVR^-page 4  2002 Microchip Technology Inc. ...

Page 9

... Microchip development systems software products. This line also provides information on how to receive available upgrade kits. The Hot Line Numbers are: 1-800-755-2345 for U.S. and most of Canada, and 1-480-792-7302 for the rest of the world.  2002 Microchip Technology Inc. ® II device programmer and PICSTART Preface ® Plus development ...

Page 10

... MPLAB C18 C Compiler Getting Started NOTES: apRNOVR^-page 6  2002 Microchip Technology Inc. ...

Page 11

... SYSTEM REQUIREMENTS The minimum system requirements for using MPLAB C18 and the MPLINK linker are: • hard disk space (50 MB recommended) • Microsoft Windows operating system (95 or later)  2002 Microchip Technology Inc. MPLAB GETTING STARTED Chapter 1. Overview ® C18 C COMPILER ...

Page 12

... MPLAB C18 (p18xxxx.inc) and the assembly header files used by the libraries. Contains the source code, in the form of C and assembly files, for the standard C library, the processor-specific libraries and the startup modules.  2002 Microchip Technology Inc. xxxx is the ...

Page 13

... MPLAB C18 C Compiler User’s Guide (DS51288) and the MPASM User’s Guide with MPLINK and MPLIB (DS33014).  2002 Microchip Technology Inc. Description This is the C compiler. It takes as input a C source file (e.g., file.c), which is passed to cpp18.exe for preprocessing. ...

Page 14

... FILES LIBRARY & LINKER SCRIPT FILES OUTPUT FILES apRNOVR^-page 10 Input.asm Input1.c mcc18.exe cpp18.exe Input.o Input1.o Input3.o mplib.exe lib1.lib mplink.exe _mplink.exe mp2cod.exe output.map output.out output.lst LEGEND File Input2.c Program mcc18.exe cpp18.exe Input2.o script.lkr mp2hex.exe output.hex output.cod  2002 Microchip Technology Inc. ...

Page 15

... A series of dialogs will guide you through the setup process. Welcome 2.3.1 A welcome screen displays the version number of MPLAB C18 that the setup program will install. Click Next to continue.  2002 Microchip Technology Inc. ® MPLAB C18 C COMPILER GETTING STARTED apRNOVR^-page 11 ...

Page 16

... MPLAB C18 C Compiler Getting Started Read Me File 2.3.2 The MPLAB C18 readme file is displayed. This file contains important information about this release of MPLAB C18, such as known bugs. After reviewing, click Next to continue. apRNOVR^-page 12  2002 Microchip Technology Inc. ...

Page 17

... If you wish to save any files, such as modified linker scripts or library source code from a previous installation, copy those files to a directory outside the installation directory before continuing. After specifying the directory, click Next.  2002 Microchip Technology Inc. Installation apRNOVR^-page 13 ...

Page 18

... Since most typical programs use the libraries and a startup module recommended that you install this component. This is the electronic documentation for MPLAB C18. These are sample applications to assist you in getting started with MPLAB C18, including the examples described in this document. MPLAB C18 C Compiler  2002 Microchip Technology Inc. ...

Page 19

... Add MPASM to PATH environment variable Add header file path to MCC_INCLUDE environment variable  2002 Microchip Technology Inc. Description libraries, and the startup modules. Install this component if you plan on rebuilding the libraries or startup modules. This is the source code for the preprocessor provided for general interest. ...

Page 20

... Selecting this option configures the MPLAB IDE v6.xx to use the newly installed MPLAB C18. This option appears only if the MPLAB IDE v6.xx is installed on your system. Selecting this option configures the MPLAB IDE v6.xx to use the newly installed MPLINK linker.  2002 Microchip Technology Inc. ...

Page 21

... This will remove the MPLAB C18 directory and its contents from your computer. Note: If you are uninstalling an upgraded version of MPLAB C18, the entire installation will be removed; MPLAB C18 cannot be "downgraded".  2002 Microchip Technology Inc. Installation apRNOVR^-page 17 ...

Page 22

... MPLAB C18 C Compiler Getting Started NOTES: apRNOVR^-page 18  2002 Microchip Technology Inc. ...

Page 23

... C standard library, as well as the allocation of variables into program memory. • Example 3 demonstrates the allocation of variables in access RAM. • Example 4 demonstrates the use of interrupt service routines with MPLAB C18 and provides an example of the use of the MPLAB C18 peripheral libraries.  2002 Microchip Technology Inc. ® MPLAB C18 C COMPILER GETTING STARTED ...

Page 24

... Note: The project name does not have to be the same as the directory name. apRNOVR^-page 20 /* for TRISB and PORTB declarations */ /* configure PORTB for output */ /* display value of 'counter' on the LEDs */  2002 Microchip Technology Inc. ...

Page 25

... Select Target Processor 3.3.2 The target processor must be selected before anything else is done with the project. This is accomplished by choosing Configure>Select Device. For this example, the PIC18F452 device will be used. Select the device and press OK.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 21 ...

Page 26

... MPLINK linker, first choose Project>Select Language Toolsuite. A dialog appears to select the language toolsuite. To use the language tools that include MPLAB C18 and the MPLINK linker, select "Microchip C18 Toolsuite" as the active toolsuite. Then click Set Tool Locations. apRNOVR^-page 22  2002 Microchip Technology Inc. ...

Page 27

... Note: These paths should already be set up correctly if you chose to update the MPLAB IDE 6.xx to use the newly installed compiler and linker in the MPLAB C18 setup program. The next step is to set the command-line options for the compiler and linker. Choose Project>Build Options>Project.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 23 ...

Page 28

... The MPLINK linker will search the directory specified in "Linker-Script Path" for linker scripts. Since we will specify the location of the linker script when we add it to the project tree, this entry can also be left blank for this example. apRNOVR^-page 24  2002 Microchip Technology Inc. ...

Page 29

... By default, when the MPLINK linker is run from the MPLAB IDE, it will not generate a map (example1.map) file. To change this, select "Generate map file" on the "MPLINK Linker" tab. Press OK. We will use the default settings for the remainder of the command-line options.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 25 ...

Page 30

... Note: With "Insert files with relative paths" checked, the file’s location will be stored as a path relative to the project directory. This allows the project to be built moved to another directory, so long as all relative file paths remain the same. The source file should appear in the project tree. apRNOVR^-page 26  2002 Microchip Technology Inc. ...

Page 31

... Scripts" in the project window, and select Add Files. Use the linker script 18f452.lkr in the lkr subdirectory of the MPLAB C18 installation directory. This script is for the PIC18F452 device. Press Open to add the file to the project tree.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 27 ...

Page 32

... For this example, the output window should display no errors and a message stating the output file was successfully built. If there were any errors, check to see that the content of the source file matches the program text displayed at the beginning of 3.3 “Example 1”. apRNOVR^-page 28  2002 Microchip Technology Inc. ...

Page 33

... Open the source file by double-clicking the project tree. In the source file, place the cursor over the line on that you wish to set the breakpoint, and click the right mouse button. Select "Set Breakpoint".  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 29 ...

Page 34

... The red dot in the gutter along the side of the source window indicates that the breakpoint has been set and is enabled. To open a watch window on the variable counter, select View>Watch. Select counter from the menu next to Add Symbol, and press Add Symbol. apRNOVR^-page 30  2002 Microchip Technology Inc. ...

Page 35

... To step through the source code one statement at a time, use Step Into on the toolbar . As each statement executes, the green arrow in the gutter of the source window moves to the next statement to be executed. If the program is running, it can be halted by pressing Halt on the toolbar  2002 Microchip Technology Inc. Examples of Use to run the program. . apRNOVR^-page 31 ...

Page 36

... Debugging with the MPLAB ICD 2 apRNOVR^-page 32 Storage File --------- ---------------------------- extern c:\mcc18\getting_started\example1\example1.c Source ---------------------------------------------------------- #include <p18cxxx.h> /* for TRISB and PORTB declarations */ int counter; void main (void) { counter = 1; TRISB = 0; /* configure PORTB for output */ while (counter <= 15) { PORTB = counter; /* display 'counter' on the LEDs */ counter++; } }  2002 Microchip Technology Inc. ...

Page 37

... MPLAB ICD 2. The ‘i’ in the file’s name indicates this linker script is for use with the MPLAB ICD 2. Rebuild the project by selecting Project>Build All. To use the MPLAB ICD 2, select Debugger>Select Tool>MPLAB ICD 2.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 33 ...

Page 38

... MPLAB ICD 2 connection settings. The output window should show that the MPLAB ICD 2 passed its self-test and is ready to be programmed. If any errors occur, refer to documentation for the MPLAB ICD 2. apRNOVR^-page 34  2002 Microchip Technology Inc. ...

Page 39

... MPLAB ICD 2 resources, disabling low voltage programming and disabling the Watchdog Timer. If you receive MPLAB ICD 2 Warning dialogs concerning any of these issues, simply click OK to proceed. The output window should show that the programming operation succeeded.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 35 ...

Page 40

... Note: The J6 connection on the demo board must be jumpered in order to connect the PORTB pins with the LEDs. Each time Run on the toolbar is pressed, execution halts after the assignment to PORTB and the value on the LEDs should reflect the incriminated value of counter. apRNOVR^-page 36  2002 Microchip Technology Inc. ...

Page 41

... TRISB register, which configures the PORTB pins for input or output, are declared in the processor-specific header file p18f452.h. • MPLAB C18 provides several functions which provide delays of various lengths, such as Delay10RTCYx used below. See the header file delays.h for more details.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 37 ...

Page 42

... To do this, choose "Build Options" and then "Project" from the "Project" menu. Select "MPLAB C18" and choose "Memory Model" from the drop-down menu. Finally, select the large code model. apRNOVR^-page 38  2002 Microchip Technology Inc. ...

Page 43

... PORTB = integer; Delay10KTCYx (255); cycles  2002 Microchip Technology Inc. Examples of Use /* for 'strcpypgm2ram' /* for 'atoi' /* for 'Delay10KTCYx' /* for 'PORTB' and 'TRISB configure all PORTB pins for output */ /* output the value to the LEDs */ /* pause for a moment (255 * 10,000 ...

Page 44

... MPLAB C18, by default, assumes all statically allocated data objects, unless explicitly specified with the near type qualifier, reside in banked (non-access) RAM. This default behavior can be changed with the command-line option –Oa+. To make this change, choose Project>Build Options>Project. apRNOVR^-page 40  2002 Microchip Technology Inc. ...

Page 45

... Finally, select the small data model to tell MPLAB C18 that statically allocated data objects without an explicit near or far qualifier are located in access RAM. See the MPLAB C18 C Compiler User’s Guide (DS51288) for details on access and banked (non-access) RAM. Press OK.  2002 Microchip Technology Inc. Examples of Use apRNOVR^-page 41 ...

Page 46

... Note: When compiling this example with static data in access RAM by default, the udata pragmas surrounding the declarations of root and square may be removed, as well as the near type qualifier. apRNOVR^-page 42 /* for 'PRODL' declaration and 'ACCESS' macro */ /* continue allocating static data in non-access ram */  2002 Microchip Technology Inc. ...

Page 47

... EnableHighInterrupts (void) { RCONbits.IPEN = 1; INTCONbits.GIEH = 1; }  2002 Microchip Technology Inc. /* for the special function register declarations */ /* for the RB0/INT0 interrupt */ /* prototype needed for 'goto' below */ /* allow the linker to locate the remaining code */ off, turn it on. /* turn the buzzer off clear flag to avoid another interrupt */ ...

Page 48

... CCP1 module for the buzzer */ /* initialize the PWM period */ /* initialize the PWM duty cycle */ /* turn the buzzer wait for the S3 button to be pressed */ PORTB_PULLUPS_ON & /* configure the RB0 pin for input */ FALLING_EDGE_INT); /* trigger interrupt upon S3 button depression */  2002 Microchip Technology Inc. ...

Page 49

... When necessary, it works in conjunction with the arithmetic logic unit (ALU) to complete the execution of the instruction. It controls the program memory address bus, the data memory address bus and accesses to the stack.  2002 Microchip Technology Inc. ® MPLAB C18 C COMPILER GETTING STARTED ...

Page 50

... The digits A-F represent decimal values 15. The right-most digit counts ones, the next counts multiples of 16, then 16 high-level language A language for writing programs that is further removed from the processor than assembly. I ICD In-Circuit Debugger ICE In-Circuit Emulator IDE Integrated Development Environment apRNOVR^-page 256, etc.  2002 Microchip Technology Inc. ...

Page 51

... A description that specifies the size of pointers that point to program memory. microcontroller A highly integrated chip that contains a CPU, RAM, some form of ROM, I/O ports and timers. MPASM assembler Microchip Technology's relocatable macro assembler for PICmicro microcontroller families. MPLIB object librarian Microchip Technology's librarian for PICmicro microcontroller families. MPLINK object linker Microchip Technology's linker for PICmicro microcontroller families.  ...

Page 52

... An object whose address has not been assigned to a fixed memory location. runtime model Set of assumptions under which the compiler operates. S section A portion of an application located at a specific address of memory. section attribute A characteristic ascribed to a section (e.g., an access section). apRNOVR^-page 64, etc.  2002 Microchip Technology Inc. ...

Page 53

... Determines the lifetime of the memory associated with the identified object. storage qualifier Indicates special properties of the objects being declared (e.g., const). V vector The memory locations that an application will jump to when either a reset or interrupt occurs.  2002 Microchip Technology Inc. Installation apRNOVR^-page 49 ...

Page 54

... MPLAB C18 C Compiler Getting Started NOTES: apRNOVR^-page 50  2002 Microchip Technology Inc. ...

Page 55

... Listing Files .................................................... 32 little endian ..................................................... 47 M Map Files ........................................................ 32 MCC_INCLUDE ............................................. 15 Memory Model ................................................ 41 MPLAB C18 C Compiler Libraries .................... 3 MPLAB C18 C Compiler User’s Guide ............. 3 MPLAB ICD 2 ................................................. 32 MPLAB SIM Simulator .................................... 29  2002 Microchip Technology Inc. ® MPLAB C18 C COMPILER GETTING STARTED Index N New Project .................................................... 20 P Paths .............................................................. 24 Product Support ...

Page 56

... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology (Barbados) Inc., Taiwan Branch 11F-3, No ...

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