Programming Some Power Supply Functions (continued)
1130 | 'Enable Status Byte OPER summary bit |
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1135 | CODES$ = "*SRE 128" | :GOSUB 2000 | ||
1140 | ‘ |
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1146 | 'Arm trigger circuit and send trigger to power supply |
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1150 | CODES$ = "INITIATE;TRIGGER" :GOSUB 2000 |
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1160 | 'Wait for supply to respond to trigger |
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1165 | FOR I= 1 to 100 :NEXT I |
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1170 | ‘ |
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1175 | 'Poll for interrupt caused by change to CC mode and print to screen |
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1180 | SPOL%=O |
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1186 | CALL IBRSP(PS%,SPOL%) |
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1190 | IF (SPOL% AND 128) = 128 THEN POLL = 1 'Set interrupt flag on OPER bit |
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1195 | IF POLL < > 1 THEN GOTO 1230 | 'No interrupt to service | ||
1200 | "CODES$ = "STAT:OPER:EVEN?" :GOSUB 2000 | 'Query status oper register | ||
1205 | CALL IBRD(PS%,OEVENT$) | 'Read back event bit | ||
1210 | IF IBSTA% <0 THEN GOTO 21OO |
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1215 | OEVENT=VAL(OEVENT$) |
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1220 | IF (OEVENT AND 1024) = 1024 THEN PRINT "Supply switched to CC mode." |
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1225 | ‘ |
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1230 | 'Clear status circuit |
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1235 | CODES$="*CLS" | :GOSUB 2000 |
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1240 | FOR I=1 TO 50 | :NEXT I | 'Wait for supply to clear | |
1245 | ‘ |
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1250 | 'Disable output and save present state to location 2 |
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1255 | CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 2000 |
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1260 | END |
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1265 | ‘ |
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2000 | 'Send command to power supply |
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2005 | CALL IBWRT(PS%,CODES$) |
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2010 | IF IBSTAT% < 0 THEN GOTO 2100 | 'Error detected | ||
2015 | RETURN |
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1250 | 'Disable output and save present state to location 2 |
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1255 | CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 2000 |
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1260 | END |
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1265 | ‘ |
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2000 | 'Send command to power supply |
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2005 | CALL IBWRT(PS%,CODES$) |
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2010 | IF IBSTAT% < 0 THEN GOTO 2100 | 'Error detected | ||
2015 | RETURN |
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2020 | ‘ |
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2100 | 'Error detection routine |
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2105 | PRINT "GPIB error. IBSTAT%. = &H";HEX$(IBSTAT%) |
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2110 | PRINT “ |
| IBERR% = ";IBERR%" in line ";ERL |
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2115 | STOP |
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2120 | ‘ |
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3000 | 'Get data from power supply |
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3005 | CALL IBRD(PS%,OUTPUT$) |
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3010 | IF IBSTA% < 0 THEN GOTO 2100 |
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3015 | I=1 | ' |
| 'Parse data string |
3020 | X=1 |
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3025 | C=INSTR(I,OUTPUT$,";") |
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Remote Programming 23
