giao tiếp rs232

**digan** · 15-04-2009, 08:10 PM

các tiền bối xem hộ với đệ đang cấp bách quá. code
#include "D:\RS232\RS232.h"
#include <float.h>
#include <math.h>
#include <string.h>
#include <def_877a.h>
#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT, NOLVP, NOWRT
#use delay(clock=20000000)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7)

char buf;
#int_EXT
EXT_isr()
{
}
#int_TBE
TBE_isr()
{
}
#int_RDA
RDA_isr()
{
buf=getc();
portb = 0x0f;
}

void main()
{
trisb=0x00;
portb = 0x00;
enable_interrupts(INT_EXT);
enable_interrupts(INT_TBE);
enable_interrupts(INT_RDA);
enable_interrupts(GLOBAL);

while(1)
{

}
}

dịch báo warning: function not void and does not reurn value RDA_isr
mội ng jup với nha

15-04-2009, 08:10 PM	#19
digan Đệ tử 1 túi Tham gia ngày: Jan 2006 Bài gửi: 14 :	các tiền bối xem hộ với đệ đang cấp bách quá. code #include "D:\RS232\RS232.h" #include <float.h> #include <math.h> #include <string.h> #include <def_877a.h> #FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT, NOLVP, NOWRT #use delay(clock=20000000) #use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7) char buf; #int_EXT EXT_isr() { } #int_TBE TBE_isr() { } #int_RDA RDA_isr() { buf=getc(); portb = 0x0f; } void main() { trisb=0x00; portb = 0x00; enable_interrupts(INT_EXT); enable_interrupts(INT_TBE); enable_interrupts(INT_RDA); enable_interrupts(GLOBAL); while(1) { } } dịch báo warning: function not void and does not reurn value RDA_isr mội ng jup với nha