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125
Chapter 8
Files
CONTENTS
Data Files and Device I/O Files........................................................ 125
Access Methods ............................................................................... 125
Structure of Data Files...................................................................... 127
Data File Management by Directory Information.............................. 128
Programming for Data Files ............................................................. 129
Programming for Bar Code Device .................................................. 136
Hardware Required for Data Communications................................. 139
Programming for Data Communications .......................................... 139
Overview of Communications Protocols........................................... 140
[ 1 ] BHT-protocol ........................................................................... 140
[ 2 ] BHT-Ir protocol ........................................................................ 141
Содержание BHT-BASIC 100 SERIES
Страница 1: ......
Страница 161: ...153 Chapter 10 Sleep Function CONTENTS 10 1 Sleep Function 154...
Страница 163: ...155 Chapter 11 Resume Function CONTENTS 11 1 Resume Function 156...
Страница 173: ...165 Chapter 13 Backlight Function CONTENTS 13 1 Backlight Function 166...
Страница 192: ...Chapter 14 Statement Reference 184 Example OPEN master Dat AS 1 FIELD 1 20 AS bar 10 AS ky CLFILE 1 CLOSE 1...
Страница 249: ...241 Example CLOSE IF kyIn Y THEN KILL Master Dat END IF Reference Statements CLFILE...
Страница 349: ...341 Run time errors Error code Meaning 05h Parameter out of the range checktype is out of the range...
Страница 383: ...375 Run time errors Reference Error code Meaning 05h Parameter out of the range Functions LEFT LEN and RIGHT...