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Intermec PC43d Fingerprint Developer's Guide (PC23d, PC43d/t, PM23c, PM43, PM4 - Page 140

Modifying ERRHAND Variables and Subroutines, Pause, Print, Setup - error 1022

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Chapter 8 - Error Handling To merge ERRHAND.PRG with your program, your code should look like this: NEW LOAD "MY PROGRAM.PRG" MERGE "/rom/ERRHAND.PRG" RUN Modifying ERRHAND Variables and Subroutines There are two sets of variables in ERRHAND.PRG that you can use or modify: • NORDIS1$ and NORDIS2$ at line 10 contain the main display texts. You can replace them with your own text. • DISP1$ and DISP2$ contain the actual text that appears in the printer display on lines 1 and 2 respectively. The next table lists subroutines you can use or modify. ERRHAND.PRG Subroutines At Line 160000 200000 400000 500000 600000 700000 1500000 1700000 1800000 1900000 Description Errors which normally may occur during printing are handled: • Error 1005: Out of paper • Error 1006: No field to print • Error 1022: Head lifted • Error 1027: Out of transfer ribbon • Error 1031: Next label not found The subroutine shows the last error that occurred, if any, and the line number where the error was detected. The information is directed to your terminal. Called by the statement GOSUB 160000. Includes error-handling routines that can be called from routines where errors may occur. See lines 200000 through 200080. The FEED-routine executes a FORMFEED with error-checking. Called by the statement GOSUB 400000. The PRINT-routine executes a PRINTFEED with error-checking. Called by the statement GOSUB 500000. Clears the printer display and makes the display texts stored in the variables DISP1$ and DISP2$ appear on the first and second line in the display. Called by the statement GOSUB 600000. The Init routine initiates error-checking, opens the console for output, and displays the main display texts (NORDIS1$ and NORDIS2$). It also sets up the some of the keys on the keyboard (if any) and assigns subroutines to each key. Called by the statement GOSUB 700000. Pause key (key No. 15) interrupts the program until pressed a second time. Called by the statement GOSUB 1500000. Routine for Print key (key No. 17) that calls subroutine 500000. Called by the statement GOSUB 1700000. Routine for Setup key (key No. 18). Places the printer in Setup Mode. Called by the statement GOSUB 1800000. Routine for Feed key (key No. 19), that calls subroutine 400000. Called by the statement GOSUB 1900000. For more information, see the next section. 128 Fingerprint Developer's Guide

Section	Page
Send Feedback	11
Before You Begin	11
Chapter 1 - Introduction to Fingerprint	13
What Is Fingerprint?	14
Learning the Structure of Fingerprint Commands	14
Fingerprint Operating Modes	15
Sending Fingerprint Commands to the Printer	15
Chapter 2 - Understanding Fingerprint Syntax	17
Learning Fingerprint Syntax	18
About Keywords, Statements, and Lines	18
About Functions	19
About Constants, Variables, and Expressions	20
About Operators	21
Using Arithmetic Operators	21
Using Relational Operators	21
Using Logical Operators	22
About Devices	23
About Immediate Mode	24
Sending Command Strings in Immediate Mode	24
About Programming Mode	25
Using Line Numbers	25
Programming Without Line Numbers	26
Sending Programs to the Printer	26
Commands for Editing Code	27
Using Conditional Instructions	28
Using an IF...THEN...[ELSE] Instruction	28
Using an IF...THEN...[ELSE]...END IF Instruction	28
About Branching	29
Branching to Subroutines	29
Instructions for Conditional Branching	30
Using an IF...THEN GOTO...ELSE Instruction	30
Using an ON...GOSUB Instruction	30
Using an ON...GOTO Instruction	30
Using an ON BREAK...GOSUB Instruction	31
Using an ON COMSET...GOSUB Instruction	31
Using an ON KEY...GOSUB Instruction	32
Unconditional Branching Using a GOTO Statement	32
Branching to an Error-Handling Subroutine	33
Using an ON ERROR GOTO Instruction	33
Resuming Execution After Error Handling	33
About Loops	34
Using a FOR...NEXT Instruction	34
Using a WHILE...WEND Instruction	35
Structuring Your Program	36
Executing the Program	37
Writing, Executing, and Listing a Short Program	37
Breaking Program Execution	38
Using a BREAK Statement	38
Using a BREAK...ON or BREAK...OFF Statement	39
Using an ON BREAK ...GOSUB...Statement	39
Saving the Program	39
Naming the Program	40
Protecting the Program	40
Saving Without Line Numbers	40
Making Changes	41
Making Copies of Programs	41
Renaming a Program	41
Creating a Startup Program	41
Chapter 3 - Managing Files	43
Using Directories in the Printer File System	44
Using Path Shortcuts	44
About File Types	45
Commands for Listing Files	45
Listing a File With the FILELIST Program	45
Commands for Creating and Managing Program Files	46
Commands for Creating and Managing Data Files	46
Commands for Transferring Text and Binary Files	47
Using the TRANSFER KERMIT Statement	47
Using the ZMODEM Protocol	47
Using a TRANSFER STATUS Statement	47
Commands for Transferring Files Between Printers	48
Checking Transferred Files With CHECKSUM	48
Commands for Working With Arrays	48
Specifying Array Dimensions Using DIM	49
Sorting Arrays	49
Splitting String Expressions	50
Calculating String Array Checksums	50
Chapter 4 - Managing Input and Output	51
Preprocessing Input Data	52
Modifying Character Sets Using a MAP Statement	52
Choosing a Character Set with a NASC Statement	53
Converting Input Data	54
Generating Random Numbers	55
Calling the RANDOM Function	55
Using a RANDOMIZE Statement	55
Setting the Standard IN and OUT Channels	56
Input From a Host	56
Input From Sequential Files	57
Reading Data to a Variable With INPUT#	57
Reading a Specific Data Length With INPUT$	58
Reading a Line to a Variable With LINE INPUT#	58
Close a File	59
Verify the End of a File With EOF	59
Counting Data Blocks with LOC	59
Determining File Length with LOF	59
Input From a Random File	60
Creating a Buffer with FIELD	60
Copying a Specific Field with GET	60
Closing a File	61
Finding the Last Field Read with LOC	61
Determining File Length with LOF	61
Input From the Printer Keypad	61
Controlling Communication	62
Using BUSY or READY Statements	62
Using an ON LINE \| OFF LINE Statement	63
Controlling Printer Response with VERBON \| VERBOFF	63
Managing Background Communication	63
Background Communication Example	64
Retrieving Buffer Status With LOC or LOF	66
Setting Up RS-422 Communication	67
Output to the Standard OUT Channel	68
Printing Expressions With PRINT	68
Printing Characters by ASCII Values With PRINTONE	69
Redirecting Output to a File	70
Output to Sequential Files	70
Using an OPEN Statement	70
Printing Expressions to a Sequential File With PRINT#	71
Printing Characters by ASCII Values With PRINTONE#	71
Using a CLOSE Statement	71
Counting Data Blocks and Determining File Length With LOC and LOF	71
Output to Random Files	72
Opening a File for Random Input or Output With OPEN	72
Creating a Buffer With FIELD	72
Left or Right Justifying Data With LSET and RSET	73
Transferring Data to the File with PUT	73
Using a CLOSE Statement	74
Finding the Last Field Read and Determining File Length With LOC and LOF	74
Output to Communication Channels	74
Output to the Printer Display	75
Chapter 5 - Managing Fonts, Bar Codes, and Images	77
Managing Fonts	78
About Font Types	78
Selecting Fonts	78
Controlling Font Direction, Size, Slant, and Width	78
Adding and Removing Fonts	79
Creating and Using Font Aliases	79
About Bar Code Symbologies	79
General Rules for Bar Code Printing	81
Commands for Working With Bar Codes	81
Understanding Images and Image Files	82
Standard Images	82
Downloading Image Files	83
Listing Images	83
Removing Images and Image Files	84
Chapter 6 - Designing Bar Code Labels	85
Creating a Layout With Fields	86
Positioning Fields in the Layout	87
About Units of Measure	88
About Insertion and Anchor Points	88
About Print Directions	90
Checking the Current Position	90
Checking the Size and Position of a Field	91
Creating Single-Line and Multi-Line Text Fields	91
Specifying a Typeface with FONT	91
Inverting Black and White Printing with NORIMAGE or INVIMAGE	91
Specifying Text for Printing with PRTXT	92
Defining Borders With PRBOX	92
Summary for Text Fields	92
Creating Bar Code Fields	93
Specifying a Bar Code Symbology With BARSET	93
Choosing the Human-Readable Font with BARFONT	94
Specifying Input Data with PRBAR	94
Summary for Bar Code Fields	94
Creating Image Fields	95
Magnifying Images with MAG	95
Inverting Black and White Printing with NORIMAGE or INVIMAGE	95
Specifying Images by Filename with PRIMAGE	95
Summary for Image Fields	96
Creating Boxes	97
Summary for Boxes	97
Creating Lines	97
Summary for Lines	98
Additional Printing Instructions	98
Printing Partial Fields With the CLIP ON Command	98
Inverting Intersection Printing With XORMODE	98
Using the LAYOUT Command	99
About Layout Requirements	100
Creating a Logotype Name File	103
Creating a Data File or Array	104
Creating an Error File or Array	104
Creating an Error Array	104
Creating an Error File	105
Using the Files in a LAYOUT Statement	105
Creating a Simple Label	107
Handling Errors With ERRHAND.PRG	111
Renumbering Lines When Merging Files	111
Merging Programs	111
Using the Print Key	112
Chapter 7 - Controlling the Printer	113
Using Fingerprint to Control the Printer	114
Controlling Media Feed	114
Adjusting Media Feed Distance With TESTFEED	114
Feeding Media With FORMFEED	115
Overriding Start and Stop Adjust Values With LBLCOND	115
Rotating the Platen Roller With CLEANFEED	115
Checking Media Feed Distance With ACTLEN	115
Controlling Printing	116
Enabling the Automatic Paper Cutter With CUT ON	116
Enabling the Label Taken Sensor With LTS& ON	116
Repeating the Last Printing Operation With PRINTFEED	116
Enabling Manual Printing With PRINT KEY ON	117
Checking the Transfer Ribbon and Printhead With SYSVAR	117
Handling Faulty Dots With HEAD, SET FAULTY DOT, and BARADJUST	117
Checking Printhead Status With FUNCTEST or FUNCTEST$	118
Reprinting Labels After Interruptions	119
About Batch Printing	119
Clearing the Print Buffer With CLL and FIELDNO	120
Maintaining Print Speed With OPTIMIZE “BATCH” ON	120
Interrupting Batch Printing	121
Using the Printer Keypad	121
Branching to Subroutines With KEY...ON and ON KEY...GOSUB	121
Defining Audio Beeps With KEY BEEP	122
Entering ASCII Characters With INPUT#, INPUT$, or LINE INPUT#	122
Remapping the Keypad With KEYBMAP$	122
Using the Keypad in Immediate Mode	123
Using the Printer Display	124
Customizing the Printer Display	124
Controlling the LEDs and Beeper	124
Using an LED ON\|OFF\|BLINK Statement	124
Using a BEEP or SOUND Statement	125
Setting the Date and Time	125
Reading the Clock and Calendar	125
Using Setup Mode Programmatically	127
Reading the Current Setup	127
Creating a Setup File	127
Changing the Setup Using a Setup File	127
Changing the Setup Using a Setup String	128
Saving the Setup	128
Using the SYSVAR System Variable	128
Checking Hardware and Firmware Versions	130
Checking Immediate Mode and STDIO Status	130
Restarting the Printer	131
About Printer Memory	131
Permanent Memory	131
Temporary Memory	132
Other Memory Devices	132
Changing the Current Directory	133
Checking Free Memory	133
Providing More Free Memory	133
Formatting the Permanent Memory	133
Using the Industrial Interface	134
Chapter 8 - Error Handling	135
Standard Error Handling	136
Choosing an Error Message Format	136
Checking for Programming Errors	137
Using a TRON\|TROFF Statement	137
Using STOP and CONT Statements	137
Specifying Breakpoints	137
Commands for Error-Handling Routines	138
Branching to Subroutines With ON ERROR GOTO...	138
Checking Error Codes with ERR and ERL	138
Resuming Execution After Errors	138
Returning Print Job and Printhead Status with PRSTAT	138
Error Handling Example	139
Using the ERRHAND.PRG Utility Program	139
Modifying ERRHAND Variables and Subroutines	140
Complete Listing of ERRHAND.PRG	141
Extensions to ERRHAND.PRG	143
Standard Error Codes	144
Appendix A - Character Sets and Keywords	145
Introduction to Character Sets	146
About the UTF-8 Character Set	147
Example	148
Reserved Keywords and Symbols	149
Symbols	152
A	152
B	152
C	153
D	153
E	154
F	154
G	155
H	155
I	155
K	156
L	156
M	157
N	157
O	157
P	157
R	159
S	159
T	160
U	160
V	160
W	160
X	160
Y	160

Match case Limit results 1 per page

Chapter 8 — Error Handling

128

Fingerprint Developer’s Guide

To merge ERRHAND.PRG with your program, your code should look like this:

NEW

LOAD “

MY PROGRAM

.PRG”

MERGE “/rom/ERRHAND.PRG”

RUN

Modifying ERRHAND Variables and Subroutines

There are two sets of variables in ERRHAND.PRG that you can use or modify:

•

NORDIS1$ and NORDIS2$ at line 10 contain the main display texts. You can

replace them with your own text.

•

DISP1$ and DISP2$ contain the actual text that appears in the printer display

on lines 1 and 2 respectively.

The next table lists subroutines you can use or modify.

For more information, see the next section.

ERRHAND.PRG Subroutines

At Line

Description

160000

Errors which normally may occur during printing are handled:

•

Error 1005: Out of paper

•

Error 1006: No field to print

•

Error 1022: Head lifted

•

Error 1027: Out of transfer ribbon

•

Error 1031: Next label not found

The subroutine shows the last error that occurred, if any, and the line

number where the error was detected. The information is directed to your

terminal. Called by the statement GOSUB 160000.

200000

Includes error-handling routines that can be called from routines where

errors may occur. See lines 200000 through 200080.

400000

The FEED-routine executes a FORMFEED with error-checking. Called by

the statement GOSUB 400000.

500000

The PRINT-routine executes a PRINTFEED with error-checking. Called

by the statement GOSUB 500000.

600000

Clears the printer display and makes the display texts stored in the

variables DISP1$ and DISP2$ appear on the first and second line in the

display. Called by the statement GOSUB 600000.

700000

The Init routine initiates error-checking, opens the console for output,

and displays the main display texts (NORDIS1$ and NORDIS2$). It also

sets up the some of the keys on the keyboard (if any) and assigns

subroutines to each key. Called by the statement GOSUB 700000.

1500000

Pause

key (key No. 15) interrupts the program until pressed a second

time. Called by the statement GOSUB 1500000.

1700000

Routine for

key (key No. 17) that calls subroutine 500000. Called

by the statement GOSUB 1700000.

1800000

Routine for

Setup

key (key No. 18). Places the printer in Setup Mode.

Called by the statement GOSUB 1800000.

1900000

Routine for

Feed

key (key No. 19), that calls subroutine 400000. Called

by the statement GOSUB 1900000.