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89v51rd2 error 127

I am using P89V51RD2 for my project I have choosen this IC because it have 1K Ram
My programme is compiling but while linking I ma getting following errors.

*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  ask_disp_key_val
    MODULE:  mc_ad1.obj (MC_AD1)
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  chk_keys
    MODULE:  mc_ad1.obj (MC_AD1)
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  chk_test_over
    MODULE:  mc_ad1.obj (MC_AD1)
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  ask_disp_key_val
    MODULE:  mc_ad1.obj (MC_AD1)
    ADDRESS: 10014D3H
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  chk_keys
    MODULE:  mc_ad1.obj (MC_AD1)
    ADDRESS: 10014D9H
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  chk_test_over
    MODULE:  mc_ad1.obj (MC_AD1)
    ADDRESS: 10014DCH
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  MAIN
    MODULE:  C:\KEIL\C51\LIB\C51L.LIB (?C_INIT)
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  MAIN
    MODULE:  C:\KEIL\C51\LIB\C51L.LIB (?C_INIT)
    ADDRESS: 1000E67H
Program Size: data=28.1 xdata=143 const=0 code=6729
Target not created

I am using some of the variables as xdata,I am confused whether this problem is because of xdata?
I have done the folloeing changes to startup file also

XDATASTART      EQU     0H      ; the absolute start-address of XDATA memory
XDATALEN        EQU     2ffH      ; the length of XDATA memory in bytes.

AUXR1 DATA  08EH               ; add SFR definition

STARTUP1:
                               ; enable on-chip xdata RAM
          ANL AUXR1,#NOT 02H   ; AUXR1/Bit 1 (clear to 0 to enable on-chip XRAM)

also my target settings are
memory model : large
code Rom : Large
Use onchip Rom:selected
Use onchi XRam :selected
Use Multiple DPTR : Selected

Please help me out.

Parents

0 dipali b over 12 years ago in reply to HansBernhard Broeker

I have included all my definations in a header file called mc_ad1.h

//#include <REGX51.H>
#include <REG51F.H>
#include <intrins.h>
//#include <8052.h>
#include "mc_ad1.h"
#include "eeprom.h"
#include "hw_sw_def.h"

//variables for eeprom
unsigned char *read_ptr,*write_ptr;
extern unsigned char rd_buffer;

//variables for serial communication
unsigned char ser_in_arr[5],*rec_ptr;
unsigned char ser_out_arr[12],*tr_ptr;
volatile bit SER_DATA_RDY_F,TR_RDY_F,COMM_OK_F;

volatile unsigned int gptimer;

unsigned char xdata test_no;                                          //1
unsigned int xdata test_current1,test_current2,time1,time2,time3; //2,4,6,8,10

unsigned int xdata tol_limit_low,tol_limit_high;
unsigned int xdata req_count;
unsigned int xdata corr_limit_low,corr_limit_high;
unsigned int xdata dac_count,pulse_count;
unsigned int adc_count;
unsigned int dac_count_limit_low,dac_count_limit_high;
volatile bit OFL_F,POL_F;
unsigned char pol_cntr,ofl_cntr;
volatile bit DAC_SET_F,ADC_READY_F,OUT_DATA_F = 0;
unsigned int adc_count_arr[5];
unsigned char index = 0;
volatile bit CHK_CURRENT_F,NEG_F;
unsigned char dac_out_delay_cnt = 0;


unsigned char state_no,key_state_no;
volatile bit ASK_KEY_F,KEY_HIT_F;
unsigned char key_value;
volatile bit START_F,TEST_MODE_F;

volatile bit VIEW_ONLY_F,DISP_TIME_F;
unsigned char xdata restore_disp_no;
unsigned char set_pointer,blink_ptr;
volatile bit SETT_ERR_F;
unsigned char temp[6];

unsigned int xdata time = 0;
unsigned char xdata time_counter = 0,time_mode = 1;
volatile bit START_TIME_F,NOTRIP_F,TRIP_F,DISP_UPDATE_F,DISP_CURRENT_F,CERR_F;

void main(void)
{
init_timer0();
init_timer1();
init_serport();
read_from_eeprom();
chk_data();
// test_no = 1;
// default_set();
delay_100_ms(2);
init_int0();
init_int1();
key_state_no = INIT;
state_no = INIT_TEST;
reset_dac_out();
disp_scr();
while(1)
        {
        /*if(ADC_READY_F)
            {
            ADC_READY_F = 0;
            adc_read();
        //     current = calc_test_current(adc_count);
            disp_current(adc_count);
            delay_100_ms(5);
                TEST1 = ~TEST1;
            }*/

     if(ASK_KEY_F)
        {
//        P1^5 ^= 0x01;
        ASK_KEY_F = 0;
        ask_disp_key_val();
        }

    if(KEY_HIT_F)
        chk_keys();

    chk_test_over();
    }
//remaining code(called functions below)
}

I have defined all the fuctions ,I am new to keil preeviously using sdcc compiler.I have tried to remove syntactical errors,but can't understand meaning of these errors.

Reply

0 dipali b over 12 years ago in reply to HansBernhard Broeker

I have included all my definations in a header file called mc_ad1.h

//#include <REGX51.H>
#include <REG51F.H>
#include <intrins.h>
//#include <8052.h>
#include "mc_ad1.h"
#include "eeprom.h"
#include "hw_sw_def.h"

//variables for eeprom
unsigned char *read_ptr,*write_ptr;
extern unsigned char rd_buffer;

//variables for serial communication
unsigned char ser_in_arr[5],*rec_ptr;
unsigned char ser_out_arr[12],*tr_ptr;
volatile bit SER_DATA_RDY_F,TR_RDY_F,COMM_OK_F;

volatile unsigned int gptimer;

unsigned char xdata test_no;                                          //1
unsigned int xdata test_current1,test_current2,time1,time2,time3; //2,4,6,8,10

unsigned int xdata tol_limit_low,tol_limit_high;
unsigned int xdata req_count;
unsigned int xdata corr_limit_low,corr_limit_high;
unsigned int xdata dac_count,pulse_count;
unsigned int adc_count;
unsigned int dac_count_limit_low,dac_count_limit_high;
volatile bit OFL_F,POL_F;
unsigned char pol_cntr,ofl_cntr;
volatile bit DAC_SET_F,ADC_READY_F,OUT_DATA_F = 0;
unsigned int adc_count_arr[5];
unsigned char index = 0;
volatile bit CHK_CURRENT_F,NEG_F;
unsigned char dac_out_delay_cnt = 0;


unsigned char state_no,key_state_no;
volatile bit ASK_KEY_F,KEY_HIT_F;
unsigned char key_value;
volatile bit START_F,TEST_MODE_F;

volatile bit VIEW_ONLY_F,DISP_TIME_F;
unsigned char xdata restore_disp_no;
unsigned char set_pointer,blink_ptr;
volatile bit SETT_ERR_F;
unsigned char temp[6];

unsigned int xdata time = 0;
unsigned char xdata time_counter = 0,time_mode = 1;
volatile bit START_TIME_F,NOTRIP_F,TRIP_F,DISP_UPDATE_F,DISP_CURRENT_F,CERR_F;

void main(void)
{
init_timer0();
init_timer1();
init_serport();
read_from_eeprom();
chk_data();
// test_no = 1;
// default_set();
delay_100_ms(2);
init_int0();
init_int1();
key_state_no = INIT;
state_no = INIT_TEST;
reset_dac_out();
disp_scr();
while(1)
        {
        /*if(ADC_READY_F)
            {
            ADC_READY_F = 0;
            adc_read();
        //     current = calc_test_current(adc_count);
            disp_current(adc_count);
            delay_100_ms(5);
                TEST1 = ~TEST1;
            }*/

     if(ASK_KEY_F)
        {
//        P1^5 ^= 0x01;
        ASK_KEY_F = 0;
        ask_disp_key_val();
        }

    if(KEY_HIT_F)
        chk_keys();

    chk_test_over();
    }
//remaining code(called functions below)
}

I have defined all the fuctions ,I am new to keil preeviously using sdcc compiler.I have tried to remove syntactical errors,but can't understand meaning of these errors.

Children

0 Arsalan Ahmed Khan over 12 years ago in reply to dipali b

check meanings of error messages in the link...
http://www.keil.com/support/man/docs/c51/c51_errors.htm
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0 Andy Neil over 12 years ago in reply to dipali b

I hope you haven't - that would certainly be A Bad Thing.

But I guess you really mean that you've included declarations in your header...?

While declarations are necessary for the file to compiler, they are not sufficient for the whole project to link - you must also have the definitions somewhere.

See: c-faq.com/.../decldef.html

"I have defined all the fuctions"

No, the message clearly tells you that you have not defined them - or, at least, not in any place that the linker can find...

"I am new to keil preeviously using sdcc compiler"

This has nothing specifically to do with Keil nor SDCC - it is standard 'C' stuff
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