Casio IT-2000D Manuel d'utilisateur Page 170
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170
7.6.4
OBR Library
Overview
The OBR library is used to control the OBR (Barcode Reader) from application programs developed
by the user with the C language. It supports the following two OBR types:
DT-9650BCR : Pen-type barcode reader
DT-9656BCR : CCD barcode reader
Note about the Libraries
This library is supplied in one of the three models, small or medium or large-memory model, as
suitable for each memory model. Any application program that uses this library should include
obrlib.h in the corresponding source file. Constants that are passed to the library functions and their
prototypes are defined in the following header files.
ORBLIB.H Header file for the OBR library
SLIBOBRD.LIB OBR library for small-memory model
MLIBOBRD.LIB OBR library for medium-memory model
LLIBOBRD.LIB OBR library for large-memory model
This library supports the following six types of functions. Each function has been macro-defined
in obrlib.h, however, it can be replaced, as required, with the corresponding function call by
specifying either of the compile options: /DDT9650 or /DDT9656.
No. Function Description
1 OBR_Open Initialization of COM port and power on
2 OBR_Close Release of COM port and power off
3 OBR_Send Transmission of command to OBR
4 OBR_Stat Acknowledgment of received data
5 OBR_Read Read of the received data
6 OBR_Clear Invalidation of codes in reception buffer
This library must refer to the system library to turn on and off the power supply of the COM port.
This means that the system library must also be linked to this library whenever this library is used.
- IT-2000D 1
- Technical Reference 1
- Table of Contents 2
- Important notices to user 5
- Copyright notice 5
- About MS-DOS 6.22 5
- About trademarks 5
- 1. Overview 6
- 1.1 Features of System 6
- 1.1.1 Development Concept 6
- 1.1.2 Hardware 6
- 1.1.3 Software 6
- 1.1.4 Basic Specifications 7
- 1.1.5 Model Name 8
- 1.2 System Configuration 9
- 1.2.1 Hardware Block Diagram 9
- 1.2.2 Supported Software 10
- Utilities 11
- Development Tool Libraries 11
- 1.3 Precautions 12
- 2. Basic Software 15
- 2.1 Overview 15
- 2.1.1 Software Configuration 15
- 2.1.2 Memory Map 16
- 2.1.3 Drive Configuration 17
- 2.2 Basic System Operation 19
- 2.2.1 Overview 19
- 2.2.2 Power ON Process 21
- Application Boot Process 22
- System Menu Boot Process 22
- Resume Process 23
- ON Factors 23
- 2.2.3 Power OFF Process 25
- OFF Factors 26
- Battery Operation Scheme 28
- Low Voltage Level 29
- Auto Power OFF Function (APO) 34
- DOZE/RUN Transit Function 35
- Replacement of Batteries 37
- Main Battery Recharge 38
- 2.3 Supported Devices 39
- 2.3.1 Display Unit 39
- Software Functions 40
- Hardware Window 40
- Contrast Adjustment 40
- 2.3.2 EL Backlight 41
- 2.3.3 Touch Panel 42
- 2.3.4 Disk 43
- F-ROM Drive 44
- PC Card Drive 44
- 2.3.5 Serial Communication 45
- 2.3.6 PC Card 47
- Card Lock Switch 48
- 2.3.7 Clock Timer 49
- 2.3.8 Buzzer 50
- 2.3.9 Barcode Reader 51
- IrDA 1.0 52
- IrDA 1.1 52
- 2.3.11 Keys 53
- 2.3.12 Sensors 54
- 3. System Menu 55
- 3.2 Basic Operation 56
- 3.3 List of Functions 56
- 3.4 Key Click Sound Setup 57
- 3.5 Buzzer Volume Setup 58
- 3.6 Contrast Adjustment 59
- 3.7 Auto Backlight Setup 60
- 3.8 Auto Power OFF Setup 61
- 3.9 Touch Panel Calibration 62
- 3.10 YMODEM Utility 64
- Operations 66
- 3.11 FLINK Command 68
- Operation 69
- 3.12 System Date/Time Setup 71
- 3.13 Command Prompt 72
- 3.14 RAM Disk Size Change 73
- Others Invalid 74
- 3.15 Disk Format 75
- 3.16 System Initialization 77
- 3.17 Password Entry 78
- 4. MS-DOS 79
- 4.1 Overview 79
- Basic Drive 80
- Example of CONFIG.SYS 81
- Example of AUTOEXEC.BAT 83
- 4.3 Card Boot 84
- 5. Keyboard Controller 87
- 5.1 Overview 87
- 5.2 Keyboard Control 88
- 5.4 Sensor Control 91
- 5.5 Backlight Control 92
- 6. Drivers 95
- 6.1 Overview 95
- 6.2 System Driver 96
- 6.2.1 Function 96
- 6.2.2 Startup Method 96
- 6.3 Clock Control Driver 97
- 6.3.1 Function 97
- 6.3.2 Startup Method 98
- 6.4.1 Function 99
- 6.4.2 Startup Method 100
- 6.5 PenMouse Driver 101
- 6.5.1 Overview 101
- 6.5.2 Startup Method 102
- 7. Application Development 110
- 7.1 Overview 110
- 7.3 Development Environment 112
- 7.3.3 Simulation Driver 113
- D:>debug aplic.exe 120
- 7.5 Simulation Driver 122
- Overview 123
- Function 123
- Startup Method 124
- Operating Conditions 125
- About the Key Input 127
- About Coordinate Input 127
- Displaying Simulated Keypad 128
- About Hexadecimal Code Input 129
- 7.6 Library 130
- 7.6.2 System Library 131
- List of Libraries 132
- Acquisition of BIOS Version 132
- Switching Over COM2 Channel 135
- Reboot Request 136
- Setting ABO Time 137
- Acquisition of ABO Time 137
- Backlight ON/OFF 140
- Setting Buzzer Volume 141
- Acquisition of Buzzer Volume 141
- Device Power ON/OFF 142
- Software Card Lock 143
- Key Click Sound ON/OFF 144
- Acquisition of Reboot Reason 145
- Acquisition of Reason for OFF 145
- Setting APO Time 147
- Acquisition of APO Time 148
- Setting Status of Alarm 148
- Acquisition of Alarm Setting 149
- Resetting Alarm 150
- Setting Key Click Sound ON 152
- Keypad Library 153
- Keypad Driver 154
- Transition of Keypad State 154
- Acceptance timing of keycode 155
- Acquisition of coordinates 156
- Coordinate status 156
- Resume-On process 156
- Input acceptance mode 157
- Toggle function 157
- Repeat function 157
- Key click sound 157
- Clearing the buffer 158
- Registering an expanded key 158
- List of Input Functions 160
- Readout from Key Buffer 161
- Checking Key Buffer Content 162
- Key Buffer Clear 163
- Setting Input Acceptance Mode 164
- Registering Enhanced Keypad 166
- Deleting Enhanced Keys 169
- OBR Library 170
- Reception Buffer 171
- DT-9650BCR 172
- Initialization of OBR 173
- Release of COM Port 173
- Transmission of Command 174
- Readout of Received Data 175
- Invalidating Code in Buffer 175
- Writing Set Values to EEPROM 177
- DT-9656BCR 181
- List of Functions 182
- Command List 186
- 8. Utility 190
- 8.1 Overview 190
- 8.2 Calculator Utility 191
- Condition of Operation 192
- Basic Function 192
- 8.3 Clock Utility 193
- 8.4 Calendar Utility 195
- 8.5 FLINK Utility 196
- Command Specification Method 197
- IrDA communication speed 197
- Example of specification 198
- 8.5.2 File Transmission (/S) 199
- Example of specifications 200
- 8.5.3 File Reception (/R) 201
- 8.5.4 File Append (/A) 203
- 8.5.5 File Deletion (/D) 204
- 8.5.6 File Move/Rename (/N) 205
- 8.5.7 Idle Start 206
- Category 207
- BREAK KEY INTERRUPT ENDING 207
- 8.6 XY Utility 209
- Function and operation method 210
- Other parameters 211
- File name 212
- 8.8 Reverse Video Utility 216
- 8.9 COM2KEY Utility 217
- APPENDIX A TFORMAT.EXE 218
- APPENDIX B PC Card Driver 219
- SRAM Card Driver (MTSRAM.EXE) 220
- IDE/ATA Support (ATADRV.EXE) 220
- APPENDIX C 222
- Acquisition of Power Status 223
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