sio.i

家电考试系统下位机程序

#line 1 "SIO.C" /0
 
  
#line 1 "C:\KEIL623\C51\INC\REG52.H" /0






 
 
 
 sfr P0    = 0x80;
 sfr P1    = 0x90;
 sfr P2    = 0xA0;
 sfr P3    = 0xB0;
 sfr PSW   = 0xD0;
 sfr ACC   = 0xE0;
 sfr B     = 0xF0;
 sfr SP    = 0x81;
 sfr DPL   = 0x82;
 sfr DPH   = 0x83;
 sfr PCON  = 0x87;
 sfr TCON  = 0x88;
 sfr TMOD  = 0x89;
 sfr TL0   = 0x8A;
 sfr TL1   = 0x8B;
 sfr TH0   = 0x8C;
 sfr TH1   = 0x8D;
 sfr IE    = 0xA8;
 sfr IP    = 0xB8;
 sfr SCON  = 0x98;
 sfr SBUF  = 0x99;
 
 
 sfr T2CON  = 0xC8;
 sfr RCAP2L = 0xCA;
 sfr RCAP2H = 0xCB;
 sfr TL2    = 0xCC;
 sfr TH2    = 0xCD;
 
 
 
 
 sbit CY    = PSW^7;
 sbit AC    = PSW^6;
 sbit F0    = PSW^5;
 sbit RS1   = PSW^4;
 sbit RS0   = PSW^3;
 sbit OV    = PSW^2;
 sbit P     = PSW^0;  
 
 
 sbit TF1   = TCON^7;
 sbit TR1   = TCON^6;
 sbit TF0   = TCON^5;
 sbit TR0   = TCON^4;
 sbit IE1   = TCON^3;
 sbit IT1   = TCON^2;
 sbit IE0   = TCON^1;
 sbit IT0   = TCON^0;
 
 
 sbit EA    = IE^7;
 sbit ET2   = IE^5;  
 sbit ES    = IE^4;
 sbit ET1   = IE^3;
 sbit EX1   = IE^2;
 sbit ET0   = IE^1;
 sbit EX0   = IE^0;
 
 
 sbit PT2   = IP^5;
 sbit PS    = IP^4;
 sbit PT1   = IP^3;
 sbit PX1   = IP^2;
 sbit PT0   = IP^1;
 sbit PX0   = IP^0;
 
 
 sbit RD    = P3^7;
 sbit WR    = P3^6;
 sbit T1    = P3^5;
 sbit T0    = P3^4;
 sbit INT1  = P3^3;
 sbit INT0  = P3^2;
 sbit TXD   = P3^1;
 sbit RXD   = P3^0;
 
 
 sbit SM0   = SCON^7;
 sbit SM1   = SCON^6;
 sbit SM2   = SCON^5;
 sbit REN   = SCON^4;
 sbit TB8   = SCON^3;
 sbit RB8   = SCON^2;
 sbit TI    = SCON^1;
 sbit RI    = SCON^0;
 
 
 sbit T2EX  = P1^1;  
 sbit T2    = P1^0;  
 
 
 sbit TF2    = T2CON^7;
 sbit EXF2   = T2CON^6;
 sbit RCLK   = T2CON^5;
 sbit TCLK   = T2CON^4;
 sbit EXEN2  = T2CON^3;
 sbit TR2    = T2CON^2;
 sbit C_T2   = T2CON^1;
 sbit CP_RL2 = T2CON^0;
#line 2 "SIO.C" /0
 
  
#line 1 "C:\KEIL623\C51\INC\STRING.H" /0






 
 
 
 
 typedef unsigned int size_t;
 
 
 
 
 
 
 #pragma SAVE
 #pragma REGPARMS
 extern char *strcat (char *s1, char *s2);
 extern char *strncat (char *s1, char *s2, int n);
 
 extern char strcmp (char *s1, char *s2);
 extern char strncmp (char *s1, char *s2, int n);
 
 extern char *strcpy (char *s1, char *s2);
 extern char *strncpy (char *s1, char *s2, int n);
 
 extern int strlen (char *);
 
 extern char *strchr (const char *s, char c);
 extern int strpos (const char *s, char c);
 extern char *strrchr (const char *s, char c);
 extern int strrpos (const char *s, char c);
 
 extern int strspn (char *s, char *set);
 extern int strcspn (char *s, char *set);
 extern char *strpbrk (char *s, char *set);
 extern char *strrpbrk (char *s, char *set);
 extern char *strstr  (char *s, char *sub);
 extern char *strtok  (char *str, const char *set);
 
 extern char memcmp (void *s1, void *s2, int n);
 extern void *memcpy (void *s1, void *s2, int n);
 extern void *memchr (void *s, char val, int n);
 extern void *memccpy (void *s1, void *s2, char val, int n);
 extern void *memmove (void *s1, void *s2, int n);
 extern void *memset  (void *s, char val, int n);
 #pragma RESTORE
#line 3 "SIO.C" /0
 
  
#line 1 "sio.h" /0
 void com_initialize (void);
 
 void com_baudrate (
 unsigned baudrate);
 
 char com_putchar (
 unsigned char c);
 
 int com_getchar (void);
 
 unsigned char com_rbuflen (void);
 
 unsigned char com_tbuflen (void);
 
 
 
 
 
 
 
 
 
 
 
#line 4 "SIO.C" /0
 
 










 
 
 
 
 
 
 
 
 
 
#error *** WARNING C317 IN LINE 25 OF SIO.C: redefinition of macro 'XTAL'

 
 
#line 29 "SIO.C" /1
 
 
 
 
 
 
#line 35 "SIO.C" /0
 
 
#line 37 "SIO.C" /1
 
 
 
 
 
 
#line 43 "SIO.C" /0
 

 
 sbit P34     = 0xB4;
 static idata unsigned char tbuf [2];
 static idata unsigned char rbuf [8];
 
 static data unsigned char t_in = 0;
 static data unsigned char t_out = 0;
 
 static data unsigned char r_in = 0;
 static data unsigned char r_out = 0;
 
 static bit ti_restart = 0;   
 
 extern void update_LCD( unsigned char ASC_II );
 

 
 static void com_isr (void) interrupt 4
 {   unsigned char temp  ;


 
 if (RI != 0)
 {
 RI = 0;
 if( P34 == 0 ) {     
 if (((r_in - r_out) & ~(8-1)) == 0)
 {
 rbuf [r_in & (8-1)] = SBUF;
 r_in++;
 }
 } 
 }
 P34 = 1;


 
 if (TI != 0)
 {
 TI = 0;
 
 if (t_in != t_out)
 {
 SBUF = tbuf [t_out & (2-1)];
 t_out++;
 ti_restart = 0;
 }
 else
 {
 ti_restart = 1;
 }
 }
 
 }
 

 
 #pragma disable
 
 void com_initialize (void)
 {


 
 
 


 
 t_in = 0;
 t_out = 0;
 
 r_in = 0;
 r_out = 0;
 


 
 SM0 = 0; SM1 = 1;    
 SM2 = 0;
 REN = 1;             
 
 RI = 0;              
 TI = 0;              
 ti_restart = 1;
 
 ES = 1;              
 PS = 0;              
 }
 

 
 #pragma disable
 
 void com_baudrate (
 unsigned baudrate)
 {


 
 TI = 0;              
 t_in = 0;            
 t_out = 0;
 


 
 TR1 = 0;             
 ET1 = 0;             
 
 PCON |= 0x80;        
 
 TMOD &= ~0xF0;       
 TMOD |= 0x20;        
 
 TH1 = (unsigned char) (256 - (11059200 / (16L * 12L * baudrate)));
 
 TR1 = 1;             
 }
 

 
 #pragma disable
 
 char com_putchar (
 unsigned char c)
 {


 
 if (com_tbuflen () >= 2)
 return (-1);
 



 
 tbuf [t_in & (2 - 1)] = c;
 t_in++;
 
 if (ti_restart)
 {
 ti_restart = 0;
 TI = 1;                
 }
 
 return (0);
 }
 

 
 #pragma disable
 
 int com_getchar (void)
 {
 if (com_rbuflen () == 0)
 
 return (-1);
 
 return (rbuf [(r_out++) & (8 - 1)]);
 }
 

 
 
 #pragma disable
 
 unsigned char com_rbuflen (void)
 {
 
 return (r_in - r_out);
 
 }
 

 
 #pragma disable
 
 unsigned char com_tbuflen (void)
 {
 return (t_in - t_out);
 }