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Compilation to C8051F124 device using code banking and RTX full generate the error linking... *** ERROR L127: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?B_RESTORE_BANK MODULE: U:\Bin\RTXCONF.obj (?RTX?CONFIGURATION) *** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?B_RESTORE_BANK MODULE: U:\Bin\RTXCONF.obj (?RTX?CONFIGURATION) ADDRESS: 10013FEH
The file RTXCONF.A51 (release 7.10 from 7-JAN-2004) contains the lines EXTRN CODE (?B_RESTORE_BANK) ?RTX_SWITCHBANK: ; Entry in L51_BANK that restores an old bank JMP ?B_RESTORE_BANK
B_RESTORE_BANK does not appear in any other line or file.
Did you enable in L51_BANK.A51:
?B_RTX EQU 1 ; 0 for applications without real-time OS
Are you perhaps not using the latest L51_BANK.A51 file?
I set B_RTX to 1. I used L51_BANK.A51 Version 2.08. Is it the latest version? If it not the latest version, How can I get the latest version?
Erez
I found L51_BANK.A51 Version 2.22. Now (thanks to your advice) the compilation completed. However this raised new problems. a) Linker warning b) Creating hex file failed.
The messages are linking... *** WARNING L9: EMPTY SEGMENTS ENCOUNTERED Program Size: data=238.7 xdata=3821 const=2417 code=57053 creating hex file from "U:\Bin\TCU"... Extended 8051/251 Object to Hex File Converter V1.36 COPYRIGHT KEIL ELEKTRONIK GmbH 2000 - 2004 GENERATING INTEL HEX FILE: U:\Bin\TCU.hex *** ERROR: ADDRESS OUTSIDE INTEL-HEX RANGE (USE 'H386' CONTROL) *** OHX51 ABORTED.