SMART KEYBOARD PROGRAMMING MANUAL
Contents
1. 15 Float Data Type 83 00165 16 Double Float Data Type Variables 16 String REI E E 16 System Variables coca NE 16 Functions Leen 17 Numeric Functions gedeelt 17 String ST TC 17 Operators rcc 17 Arithmetic Operators ren 17 String Operators carne dias 17 Relational Operators octanos lino ds 17 Smart Keyboard Programming Manual EXDICSSIONS EE 18 Arithmetic Expressions 2203253505 ee id 18 String Expressions EE 18 Relational Expressions 18 Commands and Statements 19 TSKL Commands Ae 20 i2 0 2 tp EE 20 SESCOSUN used sod das eo da 21 SOUND o dtc teu dtc 22 CDS aut a eid sn LE d S LI EL tec sc ic Lu 23 ER EE 24 ell el SE 25 LOGATE e od er dedos 26 PRINT lt TUSING RE 27 INPUT pues o coco cae ee ae Mae 28 OUR O 29 FOUT e a a cn LE ea A A ene do TERT 30 OUT USING coe tere HR iex e tne ede ae av 31 DOWNLOAD E EEUU 32 19 p cr 33 OPEN ip RR ER 34 GLOSE ae il Ir ini 35 KILE o e ODA 36 SEER sosa 37 READ ar a e ns e eb a O un do UU 38 WHITE a ad etu 39 GOSUB RETURN me 40 Loop Statements ninia 41 DEG SEELEN 41 FOR EXITFOR NEXT iio EHE E aaa 43 WHILE WEND sota ie ice SIUE 44 ejo a o MU LEE 45 Program Control Statements2. FORM Select BASIC files to execute ENTER Execute the selected item EXIT Exit sub menu SE Select parameters ta Scroll files or cursor ALT F1 Keyboard configuration setup ALT F2 On line editing utility ALT F2 F1 Upload files ALT F2 CLEAR Delete files ALT D Extend files manager ALT EXIT Reset keyboard 85
3. 46 UE ELSE a ee Ee E 46 END bereede 48 2 49 FREE cC EN 50 i Mtr 51 Smart Keyboard Programming Manual TSKE F nctions ua dd 52 POS is aa ee arena 52 NKE Y ee IA te n tuelad Gel NR a 53 INTE 54 BOE ee 55 We WENT 56 ABS ata 57 BASS gU 58 BEING aia s Manon tds Donar nes oaa eub dta ga MUN UR 59 ERE A tol 60 INTO ita dd cad oa 61 VALOA ai ee e 62 AND ape UNE 63 CHAS aerias anao e SIEG to cial 64 FREADSU a oa he areas LEE Sena ha Sloe 65 CERO sind dado 66 HIGHISO a a e e e bea LE 67 MIDS uns et tl alo EC 68 AA A 69 SPS E 70 System Variables asi AN ades dc etd ud 71 idc AE 71 MONTH orco AOS 72 DATE c 73 HOUR aeetos tous eap ad 74 MINUTES ont el oaa b ca Oi ee 75 size ONT 76 IDNUMBER idee oreet AO de 77 Appendix A Limitations of Keyboard Control Language 78 Appendix B Error Messages sss 79 Appendix C RS 232 Pin Configurations sse 82 Operation Guide cositas e iii boda 85 Smart Keyboard Programming Manual Document Conventions This manual uses the following typographic conventions Examples of convention lt gt Ctrl Ctrl C Italic Bold Italic Description Angle brackets enclose mnemonic representations of ASCII control characters Square brackets the data within square brackets is optional Bold letters represent a key on the keyboa
4. NEXT WHILE WEND and DO LOOP in one program is up to 40 levels Example DOWNLOAD WHILE BAS A 1 WHILE A lt 10 PRINT A STR A A A 1 K INKEY WEND EOP 44 Smart Keyboard Programming Manual GOTO Description Branches from program to a specified block of statements Syntax GOTO label Remarks Label is a tag to mark a specified position in the program The maximum characters of the label name are limited to 20 characters The total numbers of GOTO statement in a program can not exceed than 200 Example DOWNLOAD IF BAS BEGIN PRINT LOOK HERE K INKEY CLS PRINT REPEAT y n v CHAR INKEY IF v CHAR 89 THEN CLS GOTO BEGIN ELSE IF v CHAR 121 THEN CLS GOTO BEGIN ENDIF PRINT Press key to quit SOUND 5 10000 END EOP 45 Smart Keyboard Programming Manual Program Control Statements The program control statements are the essence of any computer language because they govern the flow of program execution program control statements may be separated into two categories m IFE THEN m IFE HEN ELSE IF THEN ELSE Description Use an IF THEN block to execute one or more statements conditionally You can use either a single line syntax or multiple line block syntax Syntax IF condition THEN statement Notice that the single line form of IF THEN does not use an ENDIF statement Or IF condition THEN Statements ENDIF Or IF condition THEN Statements ELSE Stateme
5. The total number of files stored in memory exceeds that 50 38 Unmatched brace One of the right or left parentheses is missing 81 Smart Keyboard Programming Manual Appendix C RS 232 Pin Configurations Host and Printer RS 232 PIN Definition A RS 232 Serial Interface 9 Pin D Type connector define Host Device Printer IBM PC Keyboard Keyboard Keyboard Axiohm TSC COM Nott E COM2 COM2 com2 Pin1 CD 45V 5VE 45V 5V gt 5V9 Pin2 RXD RXD lt TXD gt TD gt RXD TXD gt Pin3 TXD gt TXD gt RXD RXD TXD gt RXD Pin4 DTR gt DTR gt DSR DSR NC DSR Pin5 GND GND GND GND GND GND Pin6 DSR DSR DTR gt DTR gt NC RDY gt Pin7 RTS gt RTS gt ICTS CTS RTS gt NC Pin8 CTS CTS RTS gt RIS2 CTS RDY gt Ping R 5V 5V 5v EV 150 gt Note 1 Smart Keyboard Hardware SW1 A SW2 must ON Note 2 SMART KEYBOARD Hardware SW1 amp SW2 must OFF Note 3 lt symbol emblem INPUT gt symbol emblem OUTPUT 82 Smart Keyboard Programming Manual B RS 232 Serial Interface 25 Pin D Type connector define OO O0 P WO No A n N O 13 14 15 16 17 18 19 20 21 22 23 24 25 Printer RS 232C Zebra Protective Ground Transmitted Data Received Data Request to Send Clear to Send Data Set Ready
6. Remarks Label is a tag to mark a specified position in the program The available maximum label name is 20 characters A return statement will cause the program return to the statement following the GOSUB statement The total numbers of GOSUB RETURN statement can t exceed than 40 in one program Example DOWNLOAD GOSUB BAS PRINT MAIN ROUTINE START K INKEY GOSUB SUB1 PRINT MAIN ROUTINE END END SUB1 PRINT SUBROUTINE K INKEY RETURN EOP The execution result should look like as following OK MAIN ROUTINE SUBROUTINE MAIN ROUTINE 40 Smart Keyboard Programming Manual Loop Statements Loop statements allow program to execute one or more lines of code repetitively The loop statements that TSKL supports include m DO LOOP m FOR NEXT m WHILE WEND DO EXITDO LOOP Description Use a DO loop to execute a block of statements by an indefinite number of times There are several variations of DO LOOP statement but each evaluates a numeric condition to determine whether to continue execution Syntax DO WHILE LOOP Statements EXITDO LOOP Or DO Statements EXITDO LOOP WHILE LOOP Or DO Statements EXITDO LOOP Remarks The total numbers of nested DO LOOP statement in one program can not exceed than 40 levels 41 Smart Keyboard Programming Manual The maximum numbers of nested IF THEN ELSE FOR NEXT WHILE WEND and DO LOOP statements in one program
7. 1 keyboard COM2 The number of FileHandle is between 0 14 FileSize is expressed in bytes Example DOWNLOAD DATA1 DAT 137 SIZE 4 2 5 GAP 0 0 SPEED 3 DENSITY 10 CLS TEXT 10 10 4 0 1 1 FOUT TEST BARCODE 10 50 39 100 1 0 2 5 123456 PRINT 1 1 DOWNLOAD FOUT BAS OPEN DATA1 DAT FOR INPUT AS 1 FOUT 1 1 137 SEEK 1 0 FOUT 0 1 137 CLOSE 1 EOP 30 Smart Keyboard Programming Manual OUT USING Description Output formatted data stream from keyboard serial port Syntax OUT port USING format list of expressions Remarks Port specifies keyboard serial port to send data It can be 0 keyboard COM or keyboard COM2 port List of expressions consists of string or numeric expression separated by semicolons The OUT USING command sends ODOA carriage return and line feed at the end of the expression except that the semicolon is used Comma also sends ODh OAh to serial port Example DOWNLOAD O USING BAS A 123 45 B TSC PRINTER OUT 1 USING A OUT 1 USING B EOP 31 Smart Keyboard Programming Manual DOWNLOAD Description The DOWNLOAD keyword is the identifier to save files into keyboard memory There are two types of file that can be downloaded into keyboard memory program file and data file Syntax Program file DOWNLOAD FILENAME BAS File contents EOP Data file DOWNLOAD FILENAME FILESIZE lt DATA FILE Remarks The maximum
8. Long integer 4 2147483648 to 2147483647 10 Float N A 4 9999999 to 9999999 7 999999999999999 to EE i i 999999999999999 s String 256 254 characters N A Long Integer Data Type Variables The 96 identifier is used to declare a long integer variable by placing the at the end of variable name For example A and SUM are integer variables Smart Keyboard Programming Manual Float Data Type Variables The default data type in TSKL is float data type If no identifier is placed at the end of variable name The variable will be treated as float data type in the system For example A and B are float variables The precision of float data type is to 6 digits Double Float Data Type Variables The identifier is used to declare a double float variable by placing the P at the end of variable name For example A and SUM are floating point variables The precision of double float data type is to 15 digits String Variables The identifier is used to declare a string variable by placing the at the end of variable name For example A and TITLE are string variables Each string variable can store 254 byte of data System Variables System variables are the data maintained by smart keyboard For example Real Time Clock All the system variables are listed below YEAR MONTH DATE HOUR MINUTE SECOND IDNUMBER Smart Keyboard Programming Manual Functions Functions are built in proce
9. Pin1 internally CON Port The COM is a 9 pin female D style subminiature connector The pin assignments are shown as below Pin Configuration 1 Power input 5 volts 250mA 2 TxD 3 RxD 4 DSR 5 Ground Smart Keyboard Programming Manual DTR CTS RTS Connect with Pin1 internally o o 1 0o Safety Regulation FCC Class A CE Class A Check List Verify the contents of the container according to the list below if any parts are missing please contact your local representative e SMART KEYBOARD keyboard unit e SMART KEYBOARD User s Manual e 25 pin to 9 pin RS 232 converter e 2 screws for SI thread e Codepage stickers Options e External power set m AC adapter Input 110V AC or 220V AC Output 5V DC m RS 232 cable with power adapter jack Smart Keyboard Programming Manual Keyboard Setup Please turn off printer power prior connecting keyboard COM1 port to printer COM2 port of keyboard is used for download files from PC or can be connected to other input devices such as bar code scanner Keyboard Operation Power on Utilities Auto Execution SMART KEYBOARD will execute the program automatically when turning on power without pressing any key if one of the downloaded programs is named AUTO BAS Please press ALT F1 first to disable the auto execution functions prior keyboard configuration setup on line editing initialization and extend files
10. Programming Manual Features of SMART KEYBOARD e 68 keys large keypad layout e Big LCD screen 20 characters x 2 lines e Additional RS 232 port for other input device e Maximum 50 files can be stored in memory SRAM and FLASH e Upload or download files through both serial port e Real Time Clock Y2K compatible e Built in Euro logo ASCII 176 177 e Floating point calculation e Password locking security e Auto execution function Smart Keyboard Programming Manual Specifications Keyboard Unit Size 261mm L x142 2mm W x31mm H Weight 440g LCD 20 characters x 2 lines Max Current 5V 250mA External Power 5V 150mA Operating PT a Temperature 40 F 104 F 5 C 40 C Storage Temperature 4 F 140 F 20 C 60 C Memory FLASH 512 KB for system 1 MB for application SRAM 128 KB for system 128KB for application Smart Keyboard Programming Manual Communication Interface The available communication parameters for both 2 serial ports are listed as below Baud rate 2400 4800 9600 19200 bps Parity check none even or odd Data bits 7 or 8 Stop bit s 1 or 2 COM1 Port The serial interface COM1 is a 9 pin male D style subminiature connector with cable pin assignments are shown as below H 5 Configuration Power input 5 volts 250mA RxD TxD DTR Ground DSR RTS CTS O O NJ O OI B O N Connect with
11. Signal Ground Received Line Signal Detector Reserved for Data Set Testing Reserved for Data Set Testing Unassigned Secondary Received Line Signal Detector Secondary Clear to Send Secondary Transmitted Data Transmission Signal Element Timing Secondary Received Data Receiver Signal Element Timing Unassigned Secondary Request to Send Data Terminal Ready Signal Quality Detector Ring Indicator Data Signal Rate Selector Transmitter Signal Element Timing Unassigned Host IBM PC PC 8801ProTool Note 1 SHELL GND Frame GND Frame GND TXD gt TXD RXD TXD gt RXD RXD TXD gt RXD RTS gt RTS gt CTS RTS gt CTS CTS RTS gt ICTS DSR DSR DTR gt DSR GND GND GND GND CD DCD NC NC NC NC 5V0 25A 5V1A NC NC 5V 0 25A NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 5V 0 25A NC NC NC NC NC NC NC NC NC NC RXC NC NC NC NC NC NC NC NC NC NC DTR gt DTR gt DSR lt DTR gt NC NC NC NC RI NC NC NC NC NC 5V 0 25A NC NC TXC gt NC NC NC NC NC NC Continued on next page 83 Smart Keyboard Programming Manual DATAMAX Ring TEC SATO 1 Protective Ground CHASSIS Frame GND Frame GND Frame GND 2 Transmitted Data TXD gt TXD gt RXD TXD gt 3 Received Data RXD RXD TXD gt RXD 4 Request to Send RTS gt RTS gt ICTS RTS gt 5 Clear to Send ICTS ICTS RTS gt ICTS 6 Data Set Ready NC D
12. Smart Keyboard Programming Manual MONTH Description Set and returns the month of Real Time Clock The available numbers begins from 01 to 12 Syntax MONTH nn Where nn 01 12 A MONTH Remarks N A Example DOWNLOAD MONTH BAS MONTH STR MONTH PRINT MONTH MONTH K INKEY EOP 72 Smart Keyboard Programming Manual DATE Description Set and returns the date of Real Time Clock The available numbers begins from 00 to 99 Syntax DATE nn Where nn 01 31 A DATE Remarks The leap year timing is automatic Example DOWNLOAD DATE BAS DATE STR DATE PRINT DATE DATE K INKEY EOP 73 Smart Keyboard Programming Manual HOUR Description Set and returns the hour of Real Time Clock The available numbers begins from 00 to 23 Syntax HOUR nn Where nn 00 23 A HOUR Remarks N A Example DOWNLOAD HOUR BAS HOUR STR HOUR PRINT HOUR HOUR K INKEY EOP 74 Smart Keyboard Programming Manual MINUTE Description Set and returns the minute of Real Time Clock The available numbers begins from 00 to 59 Syntax MINUTE nn Where nn 00 59 A MINUTE Remarks N A Example DOWNLOAD MINUTE BAS MINUTE STR MINUTE PRINT MINUTE MINUTE K INKEY EOP 75 Smart Keyboard Programming Manual SECOND Description Set and returns the second of Real Time Clock The available numbers begins from 00 to 59 Syntax SECOND nn Where nn 00 59 A SECOND Remarks
13. greater than the number of characters in string Mid returns a zero length string Length The numbers of characters to be returned Example DOWNLOAD MID BAS A CHR 34 PRINT MID A 123456 A 3 3 B MID 123456 3 3 K INKEY PRINT B K INKEY EOP 68 Smart Keyboard Programming Manual STR Description Returns a string representation of a number Syntax STR expression Remarks The result of the expression must be a numeric Note STR function can not be included in other functions Example VAL STR 123 Example DOWNLOAD STRING BAS PRINT 14 24 3444 5 K INKEY SUM 1 2 3 4 5 SUM STR SUM PRINT SUM SUM K INKEY EOP 69 Smart Keyboard Programming Manual SPC Description To insert a number of spaces in a string Syntax SPC expression Remarks The result of the expression must be numeric Example DOWNLOAD SPACE BAS PRINT PRICE SPC 5 123 5 K INKEY EOP 70 Smart Keyboard Programming Manual System Variables YEAR Description Set and returns the year of Real Time Clock The available numbers to set YEAR variable begins from 00 to 99 The returned data is a 4 digits number Ex 1998 2001 Syntax YEAR nn Where nn 00 99 A YEAR Remarks The Real Time Clock is Year 2000 compatible Example DOWNLOAD YEAR BAS YEAR STR YEAR PRINT YEAR YEAR K INKEY YEAR MID YEAR 3 2 PRINT YEAR YEAR K INKEY EOP 71
14. lists the available memory SRAM in system and the extended Flash memory status If the extended memory is installed it Smart Keyboard Programming Manual shows 8M else None is shown on the display m UTILITY SETUP The code page country code and key sound on off is set in UTILITY SETUP The available code pages and country code are listed as below gt Code pages 437 United States 850 Multilingual 852 Slavic 860 Portuguese 863 Canadian French 865 Nordic gt Country codes 001 USA 002 Canadian French 003 Spanish Latin America 031 Dutch 032 Belgian 033 French France 034 Spanish Spain 036 Hungarian 038 Yugoslavian 039 Italian 041 Switzerland 042 Slovak 044 United Kingdom 045 Danish 046 Swedish 047 Norwegian 048 Polish 049 Germany 055 Brazil 061 English International 351 Portuguese 358 Finnish There is a beep sound after each key strokes It can be disabled by set the key sound off Smart Keyboard Programming Manual B PASSWORD SETUP SMART KEYBOARD supports password security With password locked on the download uploads programs on line editing deleting files firmware upgrade and extend files manager will be disabled The maximum characters of password are up to 14 characters which are not case sensitive Note If the password is lost please contact the Customer Service Department of your distributor or reseller SMART KEYBOARD provides another password namely ID N
15. manager utilities if the auto execution file is downloaded in keyboard Keyboard Initialization Press the ALT CLEAR while turning on printer power will initialize the keyboard All files stored in the SRAM will be deleted Code page and country codes are set to defaults value of 437 and 001 respectively Both of serial port communications parameters are set to 9600 bps none parity check 8 data bits and 1 stop bit Items Default Parameters COM1 Port 9600 N 8 1 Xon Xoff COM2 Port 9600 N 8 1 DSR DTR Country Code 001 Code Page 437 Key Sound On ID Number T S C Smart Keyboard Programming Manual Password None Note The items with asterisk can t be initialized Keyboard Configuration Setup Keyboard configurations can be changed by pressing ALT F1 keys The left and right arrow keys are used to select different parameters Press ENTER key to enable the selected parameter Press EXIT to return to upper level of menu COM1 SETUP COM2 SETUP DATE TIME SETUP Setup Utility INFORMATION UTILITY SETUP PASSWORD SETUP B COM1 COM2 SETUP With COM1 COM2 SETUP users can select different communication parameter as well as handshaking to download or upload data B DATE TIME SETUP The built in Real Time Clock is compatible with year 2000 The leap year timing is automatic The available setting of year is from 1950 to 2049 B INFORMATION The information
16. AS 1 WRITE 1 ABC File_length LOF 1 PRINT File_length STR File_length CLOSE 1 END EOP At the end of each write statement a carriage feed OA OD consisting of two characters are added thus adding the total to five 56 Smart Keyboard Programming Manual ABS Description To return the absolute value of the expression Syntax ABS expression Remarks The result of the expression must be numeric Example DOWNLOAD ABS BAS X ABS 5 12 PRINT Absolute value X K INKEY X 5 12 PRINT Value X END EOP 57 Smart Keyboard Programming Manual ASC Description Returns the value of the ASCII code for the first character of the expression Syntax ASC expression Remarks The result of the expression must be a string Example DOWNLOAD ASC BAS PRINT INPUT A CHARACTER INPUT Only one please A X ASC A PRINT ASCII code value STR X A END EOP 58 Smart Keyboard Programming Manual LEN Description To return the length of the string Syntax LEN string expression Remarks The maximum returned string length is 255 Example DOWNLOAD LEN BAS BEGIN PRINT HOW MANY DIGITS INPUT ABC DEF A X LEN ABC DEF IF A STR X THEN PRINT CORRECT ANSWER IS X ELSE PRINT WRONG ANSWER IS STR X ENDIF END EOP 59 Smart Keyboard Programming Manual FRE Description Return the size of free memory Syntax FRE Remarks It calcu
17. CODE 10 50 39 100 1 0 2 5 123456 PRINT 1 1 DOWNLOAD SEEK BAS OPEN DATA1 DAT FOR INPUT AS 1 SEEK 1 14 FOUT 0 1 135 FOUT 1 1 135 CLOSE 1 EOP Notice 1 Printer or PC will receive the below commands because it begins from 15th byte to the end of file 2 The 14 bytes of SEEK means SIZE 4 2 5 10 bytes and ODh OAh x2 GAP 0 0 SPEED 3 DENSITY 10 CLS TEXT 10 10 4 0 1 1 SEEK TEST BARCODE 10 50 39 100 1 0 2 5 123456 PRINT 1 1 37 Smart Keyboard Programming Manual READ Description Read data from data file and assign them to variables Syntax READ FileHandle list of variables Remarks FileHandle specifies the file to read data from The variables store the data read from the FileHandle Example DOWNLOAD READ BAS OPEN DATA FOR INPUT AS 1 READ 1 A A CLOSE 1 PRINT A K INKEY PRINTA END EOP 38 Smart Keyboard Programming Manual WRITE Description Write data to an opened file Syntax WRITE FileHandle list of expressions Remarks FileFandle specifies the file to write data to The variables are used to write data to opened data file Example DOWNLOAD WRITE BAS OPEN DATA FOR OUTPUT AS 1 WRITE 1 THIS IS WRITE TEST WRITE 1 12345678 CLOSE 1 PRINT WRITE OK END EOP 39 Smart Keyboard Programming Manual GOSUB RETURN Description To branch to return from a subroutine Syntax GOSUB label Statement block1 Label Statement block2 RETURN
18. Extend Files Manager can be accessed by press ALT D keys Files stored in flash memory are read only and file list deleting and download utility must be operated through Extended Files Manager The download and delete files process will be different than files stored in standard memory The operations of Extended Files Manager is described as below LIST FILES EXTEND FILES MANAGER ERASE FILES DOWNLOAD FILES LIST FILES All the files stored in Flash memory will be listed The BASIC files stored in Flash memory will also be listed in BASIC program file list by press Form key ERASE FILES This utility delete all the files stored in Flash memory The KILL command can t delete files stored in Flash memory DOWNLOAD FILES Enter this utility before download files to Flash memory Download files either by DOS command or by SMART KEYBOARD Windows software Press EXIT key to exit download utility Note 1 All files will be deleted when invoked DOWNLOAD FILES utility Copy all the files again although only one file is appended 2 With password locked on the utilities above will be disabled Smart Keyboard Programming Manual Execute Downloaded BASIC Program Press FORM key to list all the BASIC files stored in smart keyboard The upper and downward arrow keys are used to scroll files displayed in LCD screen SMART KEYBOARD also supports hot key feature to find the program For example If the program
19. IN ELSE IF v CHAR 121 THEN CLS GOTO BEGIN ENDIF PRINT Press key to quit SOUND 5 10000 END EOP 48 Smart Keyboard Programming Manual DIM Description An array is a collection of variables of the same type that is referenced by a common name DIM statement is used to declare the array variables of integer float and double float data types The lowest address corresponds to the first element and the highest address to the last element A specific element in an array is accessed by an index Syntax DIM variable subscripts variable subscripts Remarks The base of an array index always begins from 0 For example DIM A 10 there are totally 11 elements of variable A 0 to 10 Do not duplicate declare array in the program without executing the FREE statement The DIM statement sets all the elements of specified arrays to an initial value of numbers to zero and strings to null string The total numbers of array elements no matter what kind of data type cannot exceed than 200 elements The available maximum array variable name is 10 characters The maximum dimensions of an array variables is 3 dimension Example DOWNLOAD DIM BAS DIM A 8 B 8 FOR l 0 TO 8 A l 1 1 FOR J 0 TO 8 B J J 1 OUT 1 A 1 7 B J A 1 B J NEXT J NEXT PRINT PRESS ANY KEY END FREE A FREE B EOP 49 Smart Keyboard Programming Manual FREE Description Eliminates array variables from memory
20. N A Example DOWNLOAD SECOND BAS SECOND STR SECOND PRINT SECOND SECOND K INKEY EOP 76 Smart Keyboard Programming Manual IDNUMBER Description IDNUMBER is read only at run time The ID number can be set in the Setup Utility With password locked on users can t change the ID number Syntax A IDNUMBER Remarks N A Example DOWNLOAD ID BAS BEGIN PRINT ENTER THE ID NUMBER INPUT A IF AS IDNUMBER THEN PRINT HELLO WELCOME K INKEY END ELSE PRINT WRONG ID TO NEXT K INKEY GOTO AGAIN ENDIF AGAIN PRINT INPUT AGAIN Y N v_CHAR INKEY IF v_CHAR 89 THEN CLS GOTO BEGIN ELSE IF v_CHAR 121 THEN CLS GOTO BEGIN ENDIF PRINT Press key to quit SOUND 5 10000 END ENDIF EOP 77 Smart Keyboard Programming Manual Appendix A Limitations of Keyboard Control Language The total numbers of nested IF THEN ELSE FOR NEXT WHILE WEND and DO LOOP in a program can t exceed than 40 layers The maximum numbers of nested GOSUB RETURN can t exceed than 40 layers The number of labels can t exceed than200 200 long integer and float data type variables 100 double float data type variables 50 string data type variables The maximum number of characters for variable name is 10 characters The maximum number of characters for label name is 20 characters The available memory for download is 128 KB The numbers of downloaded file can t exceed than 50 files fo
21. SMART KEYBOARD PROGRAMMABLE PRINTER CONTROLLER PROGRAMMING MANUAL Smart Keyboard Programming Manual The information contained herein is subject to change without notice Reproduction of this manual either in part of its entireties is forbidden Note that the manufacturer assumes no responsibility for any injury or loss incurred while using this manual Smart Keyboard Programming Manual CONTENT Document Conventions iv QUICK SA RM MH HU 1 Features of SMART KEYBOARD 2 Specifications EE 3 Communication Interface A sicnt bs 5 heet tasa ia 5 OPUIGNS uis A a Lat ia 5 Keyboard Setup EE 6 Keyboard Operation 6 Power on Utilities ee EE 6 Auto EX Cutionm oxsucis aro 6 Keyboard Initialization 6 Keyboard Configuration Setup 7 Keyboard BIOS Update 9 On Line Editing Utility iaa aa ol este ls 10 Extend Files Manager irrita dos 11 Execute downloaded BASIC program 12 Using SMART KEYBOARD 13 EditA Programi ss o 13 Download A Program ui e e ed eee e eina 14 Execute A Programm S 14 Variables Constants Functions Operators and Expressions 15 Variables acs Ree a ed e eee lest 15 Long Integer Data Type Variables
22. SR DTR gt DSR 7 Signal Ground GND GND GND GND 8 Received Line Signal Detector NC NC NC NC 9 Reserved for Data Set Testing NC NC NC NC 10 Reserved for Data Set Testing NC 5V NC NC 11 Unassigned NC NC NC NC 12 secondary Received Line NC NC NC NC Signal Detector 13 Secondary Clear to Send NC To Be Left Unused NC NC 14 Secondary Transmitted Data 5V01A gt ToBe Left Unused NC NC 15 Transmission Signal Element NC NC NC NC Timing 16 Secondary Received Data NC NC NC NC 17 Receiver Signal Element NC NC NC NC Timing 18 Unassigned NC NC NC NC 19 Secondary Request to Send NC To Be Left Unused NC NC 20 Data Terminal Ready BUSY gt DTR gt DSR lt DTR gt 21 Signal Quality Detector NC NC NC NC 22 Ring Indicator NC NC NC NC 23 Data Signal Rate Selector NC DV NC NC 24 Transmitter Signal Element NC NC NC NC Timing 25 Unassigned NC To Be Left Unused NC NC 84 Smart Keyboard Programming Manual Operation Guide Auto Execution Utility Power on Execute the AUTO BAS program automatically Power on Utility Power on with ALT F1 Disable the auto execution utility Power on with ALT SHIFT Upgrade keyboard BIOS Power on with ALT CLEAR Keyboard initialization Power on with ALT D Or iles M ili ALT E Extend Files Manager utility Keyboard Utilities
23. Syntax FREE dimension variable Remarks Arrays can be re dimensioned after they are freed or the memory space previously allocated to the array may be used for other purposes If an attempt is made to re dimension an array without first freeing it an error Occurs Example DOWNLOAD DIM BAS DIM A 8 B 8 FOR l 0 TO 8 A l 1 1 FOR J 0 TO 8 B J J 1 OUT 1 A 1 B J A 1 B J NEXT J NEXT END FREE A FREE B EOP 50 Smart Keyboard Programming Manual REM Description Inserts explanatory remarks in a program Syntax REM comments Remarks REM statements are not executed Example REM this is an example DOWNLOAD REMB BAS PRINT YOU WILL NOT SEE REM REM REM END EOP 51 Smart Keyboard Programming Manual TSKL Functions POS Description Gets the current position of the cursor on LCD display Syntax POS Remarks This function returns the value between 0 79 Example DOWNLOAD POS BAS PRINT ENTER POSITION 0 lt NUM lt 79 INPUT A B VAL A LOCATE B 1 Cur_pos POS PRINT CURSOR POSITION STR Cur_pos END EOP 52 Smart Keyboard Programming Manual INKEY Description To return the ASCII code of the character read from keyboard The returned ASCII code will not shown on LCD display Syntax INKEY Remarks All tasks are pending until a key is pressed Example DOWNLOAD IF BAS BEGIN PRINT LOOK HERE K INKEY CLS PRINT REPEAT y
24. ariables Syntax INPUT prompt variables Remarks Prompt must be a string constant Variable list contains the variable names to be assigned The input value will pass to the variable if ENTER key is pressed The other input devices such bar code scanner can be connected to the COM2 port of keyboard to get data instead of key in data by keyboard Example DOWNLOAD INPUT BAS PRINT ENTER YOUR NAME INPUT ITEM PRINT YOUR NAME IG ITEM K INKEY EOP 28 Smart Keyboard Programming Manual OUT Description Output data stream from keyboard serial port Syntax OUT port list of expressions Remarks Port specifies the serial port to send data It can be O keyboard COM1 or 1 keyboard COMO List of expressions consists of string or numeric expression separated by semicolons The OUT command sends ODOA carriage return and line feed at the end of the expression except that the semicolon is used comma also sends ODOA to serial port Example DOWNLOAD OUT BAS C CHR 34 PRINT ENTER YOUR NAME INPUT A OUT 1 YOUR NAME IS A OUT 0 TEXT10 10 C 4 C 0 1 1 C YOUR NAME IS A C OUT 0 PRINT 1 1 PRINT PRESS ANYKEY TO LEAVE K INKEY EOP 29 Smart Keyboard Programming Manual FOUT Description Output specified file from keyboard serial port Syntax FOUT Port FileHandle FileSize Remarks Port specifies the serial port to send data It can be O keyboard COM1 or
25. character of filename is up to 8 characters and extension is up to 3 characters The extension of program file must be BAS Data file can be any format of file OD OA is used as separator of each data for text dada file The FILESIZE parameter is calculated by bytes Example Program file DOWNLOAD DEMO BAS CLS PRINT This is a test EOP Data file DOWNLOAD DEMO DAT 10 0123456789 32 Smart Keyboard Programming Manual EOP Description End of program The keyword must be placed at the end of program file is the DOWNLOAD keyword is used in the program Syntax EOP Remarks N A Example DOWNLOAD EOP BAS CLS PRINT This is a test EOP 33 Smart Keyboard Programming Manual OPEN Description To establish file handles for file access 15 files can be access in one program Syntax OPEN filename FOR mode AS FileHandle Remarks Filename is the name of the file Mode parameter specified the file operation mode It can be INPUT Position to the beginning of the file and this file is read only If the file does not exist The File not found error is displayed on LCD display OUTPUT Position to the beginning of the file and this file is write only If the file does not exist a new file is created APPEND Append characters to the end of file FileHandle is a constant number or expression result between 0 and 14 Remember to close the file handle when the fi
26. d Programming Manual PRINT USING Description PRINT command is used to output the numeric and strings to LCD display TSKL also supports formatted output to LCD display by PRINT USING command The available maximum numbers of specified format for PRINT USING command is 15 Syntax PRINT list of expression Specify the numeric data output format PRINT USING 290 D A Specify the string data output format PRINT USING V A Remarks A blank line is displayed on LCD if there is no expressions after the PRINT command The PRINT USING command sends OD 0A carriage return and line feed at the end of the expression if no semicolon is at the end of the expression The comma is used to separate the values by 8 spaces There are no spaces between the two values if the semicolon is used between the two expressions If semicolon is the last character of PRINT statement the cursor will stop in this line The pound sign and back slash is used to specify the output format of numeric data and string data respectively If the actual value is greater that the specified format a percent sign will be paced at the end of value Example DOWNLOAD P USING BAS B 123 45 PRINT 12 3 ASC A K INKEY PRINT USING HHHEL HH B END EOP 27 Smart Keyboard Programming Manual INPUT Description Input numeric or string from keyboard keypad or COM2 port and assign them to v
27. dures or subroutines used to evaluate make calculations on or transform data Functions used in TSKL can be grouped into numeric functions string functions For more information please refer to TSKL Functions Numeric Functions Numeric functions include integral functions and floating point functions For example INT ASC String Functions String functions include string conversion string manipulation For example RIGHT STR Operators The operators used in TSKL can be grouped into numeric operators string operators and relational operators Arithmetic Operators Arithmetic operators 7 String Operators String operators Relational Operators Relational operators gt lt lt gt gt lt 5 5 Smart Keyboard Programming Manual Expressions Operators constants and variables are the constituents of expressions An expression in TSKL is any valid combination of these pieces There are three kinds of expressions in TSKL Arithmetic Expressions Arithmetic expressions can be integral expression or floating point expression depends on the calculation value In integral expression floating point operands will be converted to integer and vice versa String Expressions There is only one operator in string expression that is add a string to another string Relational Expressions The relational expressions are used to determine the r
28. elationship of one quantity to another The result is true if the value is non zero otherwise it is false 18 Smart Keyboard Programming Manual Commands and Statements Commands instruct smart keyboard to work accordingly Sometimes commands followed by one or several parameters For example INPUT A For more information refer to the command in this programming manual A statement is composed of one command or several commands For example IF THEN ELSE Smart Keyboard Programming Manual TSKL Commands lt ESC gt R Description This command is used to reset the keyboard Keyboard will search for AUTO BAS auto execution program first after reset Syntax lt ESC gt R Remarks lt ESC gt is ASCII 27 escape character Example N A 20 Smart Keyboard Programming Manual lt ESC gt W Description This command is used to upgrade the firmware Keyboard will enter BIOS upgrade mode after receive this command and disable to execution of AUTO BAS program Syntax lt ESC gt W Remarks N A Example N A 21 Smart Keyboard Programming Manual SOUND Description Turn the speaker on at the specified frequency of interval Syntax SOUND frequency interval where Frequency 0 15 Interval 0 65535 Remarks N A Example DOWNLOAD SOUND BAS FOR F 0 TO 15 FOR l 0 TO 65535 SOUND FI FOR J 1 TO 10 NEXT J NEXT NEXT F EOP 22 Smart Keyboard Programming Manual CLS Description C
29. is named DEMO BAS press FORM and then press D It scrolls the files to the first one that begins with D automatically Execute the selected program by press ENTER key Smart Keyboard Programming Manual Using SMART KEYBOARD By the end of this section you will be able to 1 Edit a TSKL program file on PC 2 Download the program file to keyboard 3 Execute the program Edit A Program To edit a program file you need a plain text editor for example DOS Editor or Windows Notepad The following example is editing by general text editor 1 Open a new text file 2 Add the header at the first line of the file as listed below DOWNLOAD MYPROG BAS Where MYPROG BAS is the file name to be stored in keyboard memory 3 Edit the program contents 4 Insert a line of command at the end of program as below EOP 5 Save this file Smart Keyboard Programming Manual Download A Program Users can download the program by DOS command Connect PC and smart keyboard by board COM2 port Connect smart keyboard COM1 RS 232 cable to printer m Download the program by DOS command Enter the commands as below C gt MODE COM 96 N 8 1 C gt COPY MYPROG BAS B COM2 Where MYPROG BAS is the name of program file COM2 is the serial port of PC A sharp and short beep sound means the file has been downloaded to keyboard memory Execute A Program Reset smart keyboard by pressing ALT EXIT Press FORM to list program files P
30. is up to 40 levels Example DOWNLOAD DOLOOP BAS A 0 DO WHILE A lt 10 A A 1 PRINT A K INKEY LOOP PRINT EXIT END EOP 42 Smart Keyboard Programming Manual For EXITFOR NEXT Description To execute a series of instructions by a specified number of times in a loop Syntax FOR variable TO J STEP K statements NEXT variable Remarks J K are numeric expressions 1 The initial value of the counter J The final value of the counter K The increment of the counter If K parameter is ignored the default increment is 1 The maximum numbers of IFE THEN ELSE FOR NEXT WHILE WEND and DO LOOP statements available in one program is up to 40 Example The following sample program prints out the sum of numbers between 1 and 10 DOWNLOAD FOR BAS SUM 0 FOR l 1 TO 10 SUM SUM I PRINT SUM K INKEY NEXT I END EOP 43 Smart Keyboard Programming Manual WHILE WEND Description To execute a series of statements in a loop until the given condition is false Syntax WHILE expression statements WEND Remarks If expression is true the program will be executed until the WEND statement is encountered then return to the WHILE statement to check again as encountering a false condition program will branch to the statement following the WEND The total numbers of nested WHILE WEND statement in one program can not exceed than 40 levels The maximum numbers of nested IF THEN ELSE FOR
31. lates and returns an integer to indicate free memory size of keyboard in K Bytes Example DOWNLOAD FRE BAS A FRE PRINT REMAIN SPACE STR A K bytes END EOP 60 Smart Keyboard Programming Manual INTO Description To truncate an expression to an integral number Syntax INT expression Remarks The result of the expression must be numeric Example DOWNLOAD INT BAS PRINT INTEGER OF 5 2 K INKEY A INT 5 2 PRINT ANSWER IS STR A END EOP 61 Smart Keyboard Programming Manual VAL Description To return the numerical value of the string expression Syntax VAL expression Remarks The result of the expression must be a string Example DOWNLOAD VAL BAS PRINT A 123 B 321 A B K INKEY A VAL 123 B VAL 321 C A B PRINT A B STR C END EOP 62 Smart Keyboard Programming Manual RND Description RND returns a number between 0 and 1 Syntax A RND Remarks N A Example DOWNLOAD RND BAS A RND PRINT STR A K INKEY EOP 63 Smart Keyboard Programming Manual CHR Description To return the ASCII character of the numerical expression Syntax CHR expression Remarks The result of the expression must be numeric Example DOWNLOAD CHR BAS PRINT INPUT YOUR VALUE INPUT A X CHR A PRINT ASCII character X STR A END EOP 64 Smart Keyboard Programming Manual FREAD Description To read a numbe
32. le is no longer used Example DOWNLOAD DATA1 DAT 135 SIZE 4 2 5 GAP 0 0 SPEED 3 DENSITY 10 CLS TEXT 10 10 4 0 1 1 OPEN TEST BARCODE 10 50 39 100 1 0 2 5 123456 PRINT 1 1 DOWNLOAD OPEN BAS OPEN DATA1 DAT FOR INPUT AS 1 FOUT 1 1 135 SEEK 1 0 FOUT 0 1 135 CLOSE 1 EOP 34 Smart Keyboard Programming Manual CLOSE Description To clear file handles Syntax CLOSE FileHandle Remarks FileHandle must be constant number which the file is opened Example DOWNLOAD DATA1 DAT 136 SIZE 4 2 5 GAP 0 0 SPEED 3 DENSITY 10 CLS TEXT 10 10 4 0 1 1 CLOSE TEST BARCODE 10 50 39 100 1 0 2 5 123456 PRINT 1 1 DOWNLOAD CLOSE BAS OPEN DATA1 DAT FOR INPUT AS 1 FOUT 1 1 136 SEEK 1 0 FOUT 0 1 136 CLOSE 1 EOP 35 Smart Keyboard Programming Manual KILL Description To delete file s in keyboard memory Syntax KILL filename KILL KILL Remarks Filename can be any file in the memory Wild card supports all files only The file must be closed before deleting Example KILL DEMO BAS KILL KILL 36 Smart Keyboard Programming Manual SEEK Description Reposition a file pointer in specified file buffer Syntax SEEK FileHandle offset Remarks Offset is the number from the beginning of file to the new position Example DOWNLOAD DATA1 DAT 135 SIZE 4 2 5 GAP 0 0 SPEED 3 DENSITY 10 CLS TEXT 10 10 4 0 1 1 SEEK TEST BAR
33. lears the LCD display Syntax CLS Remarks CLS clears the LCD and places the cursor in the upper left corner at position 0 0 Example DOWNLOAD CLS BAS PRINT THIS WILL BE CLEARED FOR I 1 TO 5000 NEXT CLS FOR 1 TO 2000 NEXT PRINT PLEASE PRESS ANY KEY K INKEY EOP 23 Smart Keyboard Programming Manual CLEAR Description Remove all the declared variables arrays and opened files in the program from memory Syntax CLEAR Remarks N A Example CLEAR 24 Smart Keyboard Programming Manual CURSOR Description Select cursor appearance Syntax CURSOR mode Remarks The available modes of cursor are listed below 0 Hides the cursor 1 Block with blinked cursor 2 Fixed Underline cursor 3 Block blinked and underline fixed cursor default Example CURSOR 1 25 Smart Keyboard Programming Manual LOCATE Description Position cursor in LCD display Syntax LOCATE x y Remarks LOCATE moves the cursor to the given position in LCD display If the coordinates are invalid the command will be ignored The available value of x parameter is between 0 to 79 The available value of y parameter is 0 and 1 Where 0 and 1 is the first line and the second line of LCD display respectively Example DOWNLOAD LOCATE BAS PRINT ENTER POSITION 0 lt NUM lt 79 INPUT A B VAL A LOCATE B 1 Cur_pos POS PRINT CURSOR POSITION STR Cur_pos END EOP 26 Smart Keyboar
34. n v CHAR INKEY IF v CHAR 89 THEN CLS GOTO BEGIN ELSE IF v CHAR 121 THEN CLS GOTO BEGIN ENDIF PRINT Press key to quit SOUND 5 10000 END EOP 53 Smart Keyboard Programming Manual INP Description To return one byte that received from serial port Syntax INP expression Remarks The result of the expression must be numeric 0 or 1 0 COM1 Serial port with cable on keyboard 1 COM2 Serial port mount on keyboard The returned value is a string Example DOWNLOAD INP BAS REM Total Mileage PRINT Distance Milage1 OUT 0 Milage2 DO Milage2 INP 0 IF ASC Milage2 13 THEN EXITDO Milage1 Milage1 Milage2 LOOP PRINT Milage1 END EOP 54 Smart Keyboard Programming Manual EOF Description To return nonzero when the end of a file has been reached or to return 0 if the end of file EOF has not been found Syntax EOF file number Remarks If file pointer points to the end of the file EOF returns non zero Example DOWNLOAD DATA 10 1234567890 DOWNLOAD EOF BAS OPEN DATA FOR INPUT AS 1 C 0 Repeat IF EOF 1 gt 0 THEN GOTO End of file READ 1 A C C 1 GOTO Repeat End_of file PRINT PRESS ANY KEY END EOP 55 Smart Keyboard Programming Manual LOF Description To return the size of file Syntax LOF FileHandle Remarks An integer is returned to indicate the size of file Example DOWNLOAD LOF BAS OPEN DATA FOR APPEND
35. nts ENDIF Or IF conditioni THEN Statement block 1 ELSEIF condition2 THEN 46 Smart Keyboard Programming Manual Statement block 2 ELSE Statement block n ENDIF Remarks If the result of the expression is nonzero the statement following THEN will be executed If the result of the expression is zero and the statement following the ELSE present it will be executed Otherwise the next line of statement is executed If there are block of statements in IF THEN ELSE ENDIF must be used at the end of the IF THEN ELSE statement Limitations The total numbers of nested IF THEN ELSE statement in a program can not exceed than 40 levels The total numbers of IF THEN ELSE FOR NEXT WHILE WEND and DO LOOP in a program can not exceed than 40 levels Example DOWNLOAD IF BAS BEGIN PRINT LOOK HERE K INKEY CLS PRINT REPEAT y n v CHAR INKEY IF v CHAR 89 THEN CLS GOTO BEGIN ELSE IF v CHAR 121 THEN CLS GOTO BEGIN ENDIF PRINT Press key to quit SOUND 5 10000 END EOP 47 Smart Keyboard Programming Manual END Description Terminates the program execution Syntax END Remarks END statement may be placed anywhere in a program to terminate the execution With END statement all variables will be released from memory and closed file handles Example DOWNLOAD IF BAS BEGIN PRINT LOOK HERE K INKEY CLS PRINT REPEAT y n v CHAR INKEY IF v CHAR 89 THEN CLS GOTO BEG
36. r SRAM 150 files for flash memory V1 08 and later versions 15 files can be opened simultaneously in one program Maximum numbers of dimensions for array variable is 3 dimensions The total numbers of specified format of PRINT USING and OUT USING statement can t exceed that 15 78 Smart Keyboard Programming Manual Appendix B Error Messages 01 Syntax error The statement syntax is not correct 02 IF without THEN If statement without THEN keyword 03 IF without ENDIF If statement without ENDIF keyword 04 ELSEIF without IF IF THEN ELSE ELSEIF statement without ELSEIF keyword 05 ELSE without IF IF THEN ELSE statement without IF keyword 06 ENDIF without IF IF THEN ELSE statement without IF keyword 07 FOR without NEXT FOR NEXT statement without NEXT keyword 08 NEXT without FOR FOR NEXT statement without FOR keyword 09 EXITFOR without FOR FOR NEXT statement without FOR keyword 10 WHILE without WEND WHILE WEND statement without WEND keyword 11 WEND without WHILE WHILE WEND statement without WHILE keyword 12 DO without LOOP DO LOOP statement without LOOP keyword 13 LOOP without DO DO LOOP statement without DO keyword 14 RETURN without GOSUB GOSUB RETURN without GOSUB keyword 15 Mode error File operation access error 16 File number error Illegal file handle number 79 Smart Keyboard Programming Manual 17 File not found The acces
37. r of bytes from specified file Syntax FREADS FileHandle count Remarks Count is the number of data bytes Maximum count size is 255 Example DOWNLOAD DATA 10 1234567890 DOWNLOAD FREAD BAS OPEN DATA FOR INPUT AS 1 SEEK 1 5 A FREAD 1 5 CLOSE 1 PRINT A END EOP 65 Smart Keyboard Programming Manual LEFT Description To return a number of the leftmost characters of the string expression Syntax LEFT expression count Remarks The result of the expression must be a string Count is the number of the leftmost characters Example DOWNLOAD LEFT BAS A CHR 34 PRINT LEFT A 123456 A 3 B LEFT 123456 3 K INKEY PRINT B K INKEY EOP 66 Smart Keyboard Programming Manual RIGHTS Description To return a number of the rightmost characters of the string expression Syntax RIGHT expression count Remarks The result of the expression must be a string Count is the number of the rightmost characters Example DOWNLOAD RIGHT BAS A CHR 34 PRINT RIGHT A 123456 A 3 B RIGHT 123456 3 K INKEY PRINT B K INKEY EOP 67 Smart Keyboard Programming Manual MIDS Description To return a number of characters begin from the starting parameter to the specified length Syntax MID String Starting Length Remarks String Can be a string or expression Start Character position in string at which the part to be taken begins If start is
38. rd Two keys with a dash representing simultaneous key presses Italic letters represent explanations given in the context Note Important information Smart Keyboard Programming Manual Quick Start 1 9 Verify if the pin configuration of keyboard COM1 port keyboard cable is compatible with your printer COM port If they are not compatible please refer to section Specification and Appendix A for more information Turn off printer power Connect keyboard COM 1 port to printer serial port Press F1 to setup the communication parameters of keyboard Please refer to section Keyboard Utilities for more information Press ALT EXIT to reset keyboard It is now ready to download programs Key in the program as below CLS PRINT HELLO A INKEY END NOTE TSKL only accepts capital letters Save the file with filename of DEMO BAS Select Utilities Download File to download program file to keyboard Note When download programs BAS please select BAS file extension in the Download file dialog box A sharp and short beep sound means the file has been downloaded to keyboard memory Press FORM key and use the T and Lo execute downloaded programs 10 HELLO will be shown on the LCD display Press any key to end the program 11 Press ALT EXIT to reset the printer Com1 ij Com E E NN FHP ieee paa aaa oer a EEE aaa AA AO ntis m Ee l ws Smart Keyboard
39. ress T and Jto select a program to execute If you want to interrupt the program press ALT EXIT Smart Keyboard Programming Manual Variables Constants Functions Operators and Expressions The information in this chapter will help you to learn about variables constants functions operators and expressions in TSKL Variables and constants are manipulated by operators to form expressions Variables Variables are placeholders used to store values they have names and data types The data type of a variable determines how the bits representing those values are stored in the computer s memory When you declare a variable you can also supply a data type for it All variables have a data type that determines what kind of data they can store The variable name in TSKL can vary from one to ten characters The first character must be a letter or an underscore with subsequent characters being letters numbers or underscore There are two categories of variables in TSKL numeric data type and string data type TSKL supplies several numeric data types long integer float and double float Then maximum numbers of variable available in one program is listed as following e 200 long integer and float data type variables e 100 double float data type variables e 50 string data type variables The range of data types in the system are listed as below Data Type Identifier Byte Range Significant digits
40. s file name does not exit in memory 18 Too many labels The total numbers of label in the program is execeed than 200 19 Duplicate label Declared twice of label name 20 Label not found The specified label does not exit in program 21 Illegal function call Function does not exit 22 Illegal variable The variable name exits illegal letters 23 Variable not defined The variable does not assigned value in the program 24 Array not defined The accessed array does not exit 25 Out of string space The string is longer than 254 bytes 26 Too many variables The number of variables is larger than the definition 27 Too many formats The numbers of specified format of PRINT USING command and OUT USING command is larger than 15 28 Type mismatch The data types of the two variables or returned values are not the same 29 Port error The port specified in OUT and FOUT command is other than 0 and 1 30 Stack overflow The total numbers of GOSUB RETURN WHILE WEND DO LOOP FOR NEXT IF THEN ELSE statement is larger than the specified number 31 Division by zero The dividend is zero 80 Smart Keyboard Programming Manual 32 Unknown operator The operator is not defined in keyboard 33 Expression too complex Arithmetic expression is too complex 35 Duplicate array Duplicate declare array variable 36 Out of memory There is no t enough memory for download program or data file 37 Too many files
41. umber which can be verified in the program The allowable maximum number of characters of ID number is 49 The ID number is not case sensitive The default ID number is T S C Keyboard BIOS Update Press ALT SHIFT keys is used to enter the update BIOS utility Users can upgrade the BIOS by copying the firmware through specified serial port to keyboard in DOS environment If the check sum of BIOS is not correct after upgraded the UPDATE FAIL will show on LCD screen Please turn off power and enter upgrade mode again If the upgrade process is successful SMART KEYBOARD will boot automatically Smart Keyboard Programming Manual On Line Editing Utility On line editing utility can be acceded by press ALT F2 keys This feature is useful for modifying programs in the field The available maximum editing characters are 79 characters x 250 lines The upward and downward arrow keys are used to scroll the files displayed on LCD screen Enter key is used to select program for editing ALT CLEAR keys are used to delete the files stored in keyboard memory F1 key is used to upload the files through the specified serial port of keyboard to the connected device if the cursor is stopped at selected file Select New File and press Enter to editing a new file The available filename is up to 8 characters and 3 characters for extension Press F2 to save the file when completed editing Smart Keyboard Programming Manual Extend Files Manager
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