Hi,
I have tried to remove this error but no way. Error C193 : '==' : illegal type conversion from/to 'void'
I have tried to include severals headers file but nothing, how can I resolve this error?
This error is in the function mem_task():
void mem_task (void) { Byte state; switch (mem_state) { case MEM_INIT: { #if MEM_CHIP_TYPE != CHIP_NONE /*if chip defined*/ if (Hard_chip_init() == OK)/* if init chip OK*/ { mem_state = MEM_CHIP_INIT; /*install chip*/ } #if MEM_CARD_TYPE != CARD_NONE /*if card defined*/ if (Hard_card_init() == KO) //ERROR: C193 { if (mem_state == MEM_INIT)/*if init fail*/ { print_screen(FATAL_CHIP_SCREEN);/*error*/ while(1);
and my build target output is :
Build target 'Target 1' compiling main.c... compiling I2C.c... compiling ADC.c... compiling AUD.c... compiling DAC.c... compiling MICRO2.c... compiling DONG2.c... assembling STARTUP.A51... compiling variable.c... compiling ide_drv.c... compiling C_Flash.c... compiling CF_oper.c... modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(16): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier modules\file\fat.h(19): warning C322: unknown identifier CF_oper.c(189): warning C307: macro 'fat_install': parameter count mismatch CF_oper.c(240): warning C307: macro 'fat1216_save_cluster_info': parameter count mismatch CF_oper.c(241): warning C307: macro 'fat1216_feob': parameter count mismatch compiling cf_drv_.c... compiling ata.c... compiling file.c... modules\file\file.c(184): warning C316: unterminated conditionals compiling fs_variable.c... compiling fat.c... modules\file\fat.c(3790): warning C316: unterminated conditionals compiling song_task.c... compiling mem_task.c... MODULES\MEM\MEM_TASK.C(123): error C193: '==': illegal type conversion from/to 'void' Target not created
Thank you
I have problem because I don't know how remove these 39 warnings I had first 108 warnings.
Build target 'Target 1' compiling main.c... linking... *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?CF_OPERATIONS3?CF_OPER *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?CF_OPERATIONS4?CF_OPER *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_FAT1216_FRENAME?FAT *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?FAT1216_FILE_GET_POS?FAT *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?CO?FAT *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_STATUS?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_CHECK_CARD?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_CARD_SELECT?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_CHIP_SELECT?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_SELECT_NEXT?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_SELECT_FORMAT?MEM_TASK *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?MEM_LOAD_CARD?MEM_TASK *** WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT: ?PR?PRINTF?PRINTF CALLER1: ?PR?I2C_ISR?I2C CALLER2: ?C_C51STARTUP *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: CF_WRITE_CLOSE MODULE: fat.obj (FAT) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) ADDRESS: D95FH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) ADDRESS: D965H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: D98CH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: D9A7H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: D9C2H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: D9D7H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: CF_WRITE_CLOSE MODULE: fat.obj (FAT) ADDRESS: D9F1H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) ADDRESS: 9EBEH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) ADDRESS: 9ECCH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: 9EF0H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) ADDRESS: 9F91H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) ADDRESS: 9F97H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: 9FC4H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) ADDRESS: 9FE7H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) ADDRESS: 9FEDH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: CF_WRITE_CLOSE MODULE: fat.obj (FAT) ADDRESS: DFEBH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: CF_WRITE_CLOSE MODULE: fat.obj (FAT) ADDRESS: D443H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: ?_CF_WRITE_OPEN?BYTE MODULE: fat.obj (FAT) ADDRESS: D47AH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_OPEN MODULE: fat.obj (FAT) ADDRESS: D480H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _CF_WRITE_BYTE MODULE: fat.obj (FAT) ADDRESS: D4B9H *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _PRINT_MEM MODULE: mem_task.obj (MEM_TASK) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _PRINT_MEM MODULE: mem_task.obj (MEM_TASK) ADDRESS: E085H Program Size: data=87.4 xdata=1870 code=59344 creating hex file from "MPA3_V02"... "MPA3_V02" - 0 Error(s), 39 Warning(s).
The problem concerns the files fat.c and mem_task.c , how can I do for eliminate warnings?