Casio IT-2000D 5. Keyboard Controller 5.1 Overview

87

5. Keyboard Controller5.1 Overview

This terminal is equipped with a sub-CPU dedicated to controlling the keyboard, touch panel,

backlight, and various sensors. This chapter describes major tasks assigned to this sub-CPU.

Fig. 5.1

Main CPU Sub-CPU

Temperature Sensor

Illumination Sensor

Battery Voltage

Sensor

Buzzer

Volume

El BacklightLCD Brightness

Keyboard

Touch Panel

Command

Data

Contents

Main Table of Contents Page Page Preface Important notices to user Copyright notice About MS-DOS 6.22 About trademarks Page 1.1.4 Basic Specifications Page 1.2 System Configuration 1.2.1 Hardware Block Diagram 1.2.2 Supported Software BIOS MS-DOS Main Part Device Drivers and System Files Utilities Development Tool Libraries 1.3 Precautions Page Page 2. Basic Software 2.1 Overview 2.1.1 Software Configuration The following diagram shows the software configuration of the IT-2000. 2.1.2 Memory Map 2.1.3 Drive Configuration Page 2.2 Basic System Operation 2.2.1 Overview Page 2.2.2 Power ON Process Application Boot Process System Menu Boot Process Resume Process Setup of Resume Process ON/OFF ON Factors Relationship between OFF Factors and ON Processes 2.2.3 Power OFF Process Normal Suspend Process Critical Suspend OFF Factors Page 2.2.4 Battery Voltage Monitoring Process Battery Operation Scheme Low Voltage Level Main Battery Voltage Monitoring Sub-battery Voltage Monitoring SRAM Card Battery Voltage Monitoring Acquiring Power Status through APM BIOS Page 2.2.5 Low Consumption Current Process Advanced Power Management Process (APM) Auto Power OFF Function (APO) Auto Backlight OFF Function (ABO) DOZE/RUN Transit Function Low speed Page 2.2.6 How to Replace or Recharge Batteries Replacement of Batteries Main Battery Recharge 2.3 Supported Devices 2.3.1 Display Unit Hardware Configuration About the Display Screen Software Functions Hardware Window Contrast Adjustment 2.3.2 EL Backlight 2.3.3 Touch Panel Hardware Configuration Software Function 2.3.4 Disk Types of Disk RAM Disk Basic Drive F-ROM Drive PC Card Drive 2.3.5 Serial Communication Available Interfaces COM1 COM2 COM3 COM4 2.3.6 PC Card Hardware Overview Recommended PC Cards How to Format SRAM Card and ATA F-ROM Card COM Port of Modem Card Page 2.3.7 Clock Timer 2.3.8 Buzzer Use of Buzzer From the System Setting Volume of Buzzer 2.3.9 Barcode Reader 2.3.10 Infrared Communication (IR) IrDA 1.0 IrDA 1.1 2.3.11 Keys Hardware Overview Key Layout Fn key 2.3.12 Sensors 3. System Menu 3.1 Overview 3.2 Basic Operation 3.3 List of Functions 3.4 Key Click Sound Setup 3.5 Buzzer Volume Setup 3.6 Contrast Adjustment 3.7 Auto Backlight Setup 3.8 Auto Power OFF Setup 3.9 Touch Panel Calibration Page 3.10 YMODEM Utility Note: Operations Page 3.11 FLINK Command Page Page 3.12 System Date/Time Setup Page 3.14 RAM Disk Size Change Page 3.15 Disk Format Page 3.16 System Initialization 3.17 Password Entry Fig. 3.22 4. MS-DOS 4.1 Overview Page 4.2 How to Write CONFIG.SYS and AUTOEXEC.BAT Example of CONFIG.SYS Page Page 4.3 Card Boot Example of CONFIG.SYS Page 5. Keyboard Controller 5.1 Overview 5.2 Keyboard Control System Scanning Code Primary/Secondary Code Page 5.3 Touch Panel Control Function 5.4 Sensor Control 5.5 Backlight Control ABC (Auto Backlight Control) Transition of Backlight Control Methods Page 6. Drivers 6.1 Overview 6.2 System Driver 6.2.1 Function 6.2.2 Startup Method 6.3 Clock Control Driver 6.3.1 Function 6.3.2 Startup Method 6.4 Keypad Driver/Hardware Window Manager 6.4.1 Function 6.4.2 Startup Method 6.5 PenMouse Driver 6.5.1 Overview 6.5.2 Startup Method 6.5.3 Functions Page Page Page Page Page Page Page 7. Application Development 7.1 Overview 7.2 Notes on Developing Application 7.3 Development Environment 7.3.1 Development Environment 7.3.2 Application Development Library 7.3.3 Simulation Driver 7.4 Program Development Procedure 7.4.1 Creation of Execution File Page 7.4.2 Debugging Through Simulation Page 7.4.3 Operation Check on IT-2000 (Using COM2KEY/XY) 7.4.4 Installation of Application Program Page 7.5 Simulation Driver 7.5.1 System Driver Simulator (SYSDRVP.COM) Page 7.5.2 Operating Conditions 7.5.3 Keypad Driver Simulator (KEYPADP.COM) Operating Conditions Page Displaying Simulated Keypad Page 7.6 Library 7.6.1 Overview 7.6.2 System Library Note About the Libraries List of Libraries Acquisition of BIOS Version Acquisition of Memory Device Size Setting/Acquisition LCD Contrast Increasing/Decreasing LCD Contrast Switching Over COM2 Channel Setting/Acquisition of Reason Mask for Reboot Reboot Request Setting ABO Time Acquisition of ABO Time Setting ABC (Auto Backlight Control) Status Acquisition of ABC (Auto Backlight Control) Status Setting/Acquisition of ABC Threshold Backlight ON/OFF Acquisition of Backlight Status Setting Buzzer Volume Acquisition of Buzzer Volume Acquisition of Device Power Status Device Power ON/OFF Software Card Lock Acquisition of Connector Status Key Click Sound ON/OFF Acquisition of Key Click Sound Status Acquisition of Reboot Reason Acquisition of Reason for OFF Setting Cancellation of Next Resume Process Acquisition of Cancellation Status of Next Resume Process Request of Suspend (Software-triggered OFF) Acquisition of Low Battery Voltage Status Setting APO Time Acquisition of APO Time Setting Status of Alarm Acquisition of Alarm Setting Resetting Alarm Setting/Acquisition of Power ON Alarm Setting/Acquisition of Status of Power Control Function Setting Key Click Sound ON 7.6.3 Keypad Library Note about the Libraries Keypad Driver Transition of Keypad State Keycode Acceptance timing of keycode Acquisition of coordinates Coordinate status Resume-On process Input acceptance mode Toggle function Repeat function Key click sound Clearing the buffer Input of ten key while the screen is being touched Registering an expanded key Restrictions and notes on use of keycodes Page List of Input Functions Checking Condition of Installed Keypad Driver Readout from Key Buffer Checking Key Buffer Content Key Buffer Clear Display / Non-display of Keypad Setting Input Acceptance Mode Acquisition of Input Acceptance Mode Setting Coordinates Input Mode Acquisition of Coordinates Input Mode Registering Enhanced Keypad Page Page Deleting Enhanced Keys 7.6.4 Note about the Libraries Page DT-9650BCR Reception Data Format Read-out Symbols Communication with OBR Initialization of OBR Release of COM Port Acknowledgment of Received Data Readout of Received Data Invalidating Code in Buffer Setting Operation Mode / DT-9650BCR Power-save Mode Control Command Writing Set Values to EEPROM Page Page Page DT-9656BCR Reception Data Format Read-out Symbols Communication with OBR List of Functions Initialization of OBR Release of COM Port Acknowledgment of Received Data Readout of Received Data Setting Operation Mode / DT-9656BCR Writing Set Values to EEPROM Command List Page Page Page 8. Utility 8.1 Overview 8.2 Calculator Utility Condition of Operation Basic Function 8.3 Clock Utility File Name Condition of Operation 8.4 Calendar Utility 8.5 FLINK Utility Operation Method 8.5.1 Communication Parameter Setup Command (/L={,,,} Command Specification Method IrDA communication speed Wait time until the connection is established Data transmission/reception wait time Page 8.5.2 File Transmission (/S) Transmission file pathname Storage destination directory name Example of specifications of storage destination directory name 8.5.3 File Reception (/R) Request pathname Reception directory Example of specifications of storage destination directory name Page 8.5.4 File Append (/A) Appended file pathname Target file pathname 8.5.5 File Deletion (/D) 8.5.6 File Move/Rename (/N) Move source pathname Move destination pathname 8.5.7 Idle Start Page Page 8.6 XY Utility Note: Function and operation method Command Option Other parameters File name Page 8.7 Remaining Battery Voltage Display Utility Page 8.8 Reverse Video Utility 8.9 COM2KEY Utility Operation Method APPENDIX A TFORMAT.EXE APPENDIX B PC Card Driver Socket Services (SS365SL.EXE) Card Services (CS.EXE) Card Identification (CARDID.EXE) SRAM Card Driver (MTSRAM.EXE) IDE/ATA Support (ATADRV.EXE) Page APPENDIX C Broadcast for Power Event Function to Check POWER.EXE Acquisition of Power Status