BHT-BASIC programming

Creating screens

Basic Procedures

• Specifying display mode
• Specifying display starting point
• Displaying text
• Clearing the screen

Advanced Procedures

• Specifying the font
• Displaying the cursor

Reading bar codes

Basic Procedures

• Opening bar code device
• Waiting for bar code input
• Reading bar code data from buffer
• Closing bar code device

Advanced Procedures

• Specifying continuous reading mode
• Using beeper to indicate a successful read of bar codes

Key input

Basic Procedures

• Entering a numerical value or text using the keys
• Waiting for key presses

Advanced Procedures

• Entering alphanumeric text
• Detecting M1 key presses

Using data files

Basic Procedures

• Opening data files
• Specifying data file format
• Writing to data files
• Reading from data files
• Closing data files

Advanced Procedures

• Searching data files
• Clearing data from data files
• Deleting files
• Checking data file size

Communications

Basic Procedures

• Opening the IrDA communications device file
• Opening the connector communications device file
• Sending files
• Receiving files
• Closing a communications device file

Advanced Procedures

• Sending data (command output to a printer, for example)
• Waiting for data input
• Reading incoming data (response from a printer, for example)

Controlling other devices

Basic Procedures

• Controlling beeper and vibrator
• Configuring beeper and vibrator operation
• Changing beeper volume
• Specifying date and time
• Checking date and time

Advanced Procedures

• Change auto power off timer setting

Miscellaneous

Advanced Procedures

• Processing run-time errors in user application programs (error trapping)
• Using user-defined functions