I want to ask. I use keil compiler. When I compiler the code, the software give warning and error. This is the warning and error.. How can I fix the error??
The question is, if i burn this code into pic, is it the pic working well with the code and not counter with problem? Please can anybody help me??
[code] Build target 'Target 1' linking... *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _MSGDISPLAY MODULE: Project.obj (PROJECT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: LCD_INIT MODULE: Project.obj (PROJECT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _LCDDATA MODULE: Project.obj (PROJECT) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: _LCDCMD MODULE: Project.obj (PROJECT) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: LCD_INIT MODULE: Project.obj (PROJECT) ADDRESS: 0805H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDCMD MODULE: Project.obj (PROJECT) ADDRESS: 080AH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _MSGDISPLAY MODULE: Project.obj (PROJECT) ADDRESS: 0813H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDCMD MODULE: Project.obj (PROJECT) ADDRESS: 0818H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _MSGDISPLAY MODULE: Project.obj (PROJECT) ADDRESS: 0821H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDCMD MODULE: Project.obj (PROJECT) ADDRESS: 082DH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 083CH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0845H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0854H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0863H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 086FH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0889H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDCMD MODULE: Project.obj (PROJECT) ADDRESS: 088EH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDDATA MODULE: Project.obj (PROJECT) ADDRESS: 094FH *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0956H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDDATA MODULE: Project.obj (PROJECT) ADDRESS: 0960H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0967H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _LCDDATA MODULE: Project.obj (PROJECT) ADDRESS: 0971H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: _DELAY MODULE: Project.obj (PROJECT) ADDRESS: 0978H Program Size: data=15.0 xdata=0 code=407 "Project" - 0 Error(s), 24 Warning(s). [/code]
This is my code.
[code] #include<reg51.h> #include"lcddisplay.h" #include<intrins.h> sbit rd = P2^0; sbit wr = P2^1; sbit intr = P2^2; sbit finger = P2^5; sbit buz = P2^3; #define adcdata P3 void convert(unsigned char ); void lcd_init(void); void lcdcmd(unsigned char value); void msgdisplay (unsigned char*); void delay(int); void lcddata(unsigned char ); unsigned char a,pp=0,count=0,i; void main() { buz=0; finger=1; lcd_init(); lcdcmd(0x85); msgdisplay("WELCOME"); lcdcmd(0x01); msgdisplay("temp hbeat"); rd=1; intr=1; adcdata=0xff; while(1) { lcdcmd(0xc2); //delay(500); wr=0; _nop_(); _nop_(); _nop_(); _nop_(); wr=1; delay(50); rd=0; delay(10); a=adcdata; convert(a); delay(500); for(i=0;i<100;i++) { count+=1; if(finger==0) { delay(1000); if(!finger) { buz=1; delay(500); pp=1; buz=0; break; } else pp=0; } } delay(500); lcdcmd(0xca); if(pp) { convert(count); } else convert(0); pp=0; } } void convert(unsigned char temp_value) { unsigned char value,d1,d2,d3; temp_value = temp_value; value=temp_value/10; d3=temp_value%10; d1=value/10; d2=value%10; d1=d1+0x30; lcddata(d1); delay(10); d2=d2+0x30; lcddata(d2); delay(4); // msgdisplay("."); d3=d3+0x30; lcddata(d3); delay(10); }
#include<reg51.h> #include"lcddisplay.h" #include<intrins.h> sbit rd = P2^0; sbit wr = P2^1; sbit intr = P2^2; sbit finger = P2^5; sbit buz = P2^3; #define adcdata P3 void convert(unsigned char ); void lcd_init(void); void lcdcmd(unsigned char value); void msgdisplay (unsigned char*); void delay(int); void lcddata(unsigned char ); unsigned char a,pp=0,count=0,i; void main() { buz=0; finger=1; lcd_init(); lcdcmd(0x85); msgdisplay("WELCOME"); lcdcmd(0x01); msgdisplay("temp hbeat"); rd=1; intr=1; adcdata=0xff; while(1) { lcdcmd(0xc2); //delay(500); wr=0; _nop_(); _nop_(); _nop_(); _nop_(); wr=1; delay(50); rd=0; delay(10); a=adcdata; convert(a); delay(500); for(i=0;i<100;i++) { count+=1; if(finger==0) { delay(1000); if(!finger) { buz=1; delay(500); pp=1; buz=0; break; } else pp=0; } } delay(500); lcdcmd(0xca); if(pp) { convert(count); } else convert(0); pp=0; } } void convert(unsigned char temp_value) { unsigned char value,d1,d2,d3; temp_value = temp_value; value=temp_value/10; d3=temp_value%10; d1=value/10; d2=value%10; d1=d1+0x30; lcddata(d1); delay(10); d2=d2+0x30; lcddata(d2); delay(4); // msgdisplay("."); d3=d3+0x30; lcddata(d3); delay(10); }