timer.i

此源码为商用的电力抄表系统的从机端源程序。通过电力载波模块

#line 1 "timer.c" /0
 
 
 
 
 
 
 
  
#line 1 "C:\KEIL\C51\INC\PHILIPS\REG922.H" /0







 
 
 
 
 
 
 sfr P0   = 0x80;
 sfr P1   = 0x90;
 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 IEN0 = 0xA8;
 sfr IP0  = 0xB8;
 sfr SCON = 0x98;
 sfr SBUF = 0x99;
 
 
 sfr AUXR1  = 0xA2;
 sfr SADDR  = 0xA9;
 sfr SADEN  = 0xB9;
 sfr BRGR0  = 0xBE;
 sfr BRGR1  = 0xBF;
 sfr BRGCON = 0xBD;
 sfr CMP1   = 0xAC;
 sfr CMP2   = 0xAD;
 sfr DIVM   = 0x95;
 sfr FMADRH = 0xE7;
 sfr FMADRL = 0xE6;
 sfr FMCON  = 0xE4;
 sfr FMDATA = 0xE5;
 sfr I2ADR  = 0xDB;
 sfr I2CON  = 0xD8;
 sfr I2DAT  = 0xDA;
 sfr I2SCLH = 0xDD;
 sfr I2SCLL = 0xDC;
 sfr I2STAT = 0xD9;
 sfr IP1    = 0xF8;
 sfr IP1H   = 0xF7;
 sfr KBCON  = 0x94;
 sfr KBMASK = 0x86;
 sfr KBPATN = 0x93;
 sfr P0M1   = 0x84;
 sfr P0M2   = 0x85;
 sfr P1M1   = 0x91;
 sfr P1M2   = 0x92;
 sfr P3M1   = 0xB1;
 sfr P3M2   = 0xB2;
 sfr PCONA  = 0xB5;
 sfr PT0AD  = 0xF6;
 sfr RSTSRC = 0xDF;
 sfr RTCCON = 0xD1;
 sfr RTCH   = 0xD2;
 sfr RTCL   = 0xD3;
 sfr SSTAT  = 0xBA;
 sfr TAMOD  = 0x8F;
 sfr TRIM   = 0x96;
 sfr WDCON  = 0xA7;
 sfr WDL    = 0xC1;
 sfr WFEED1 = 0xC2;
 sfr WFEED2 = 0xC3;
 sfr IP0H   = 0xB7;
 sfr IEN1   = 0xE8;
 
 
 
 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 F1   = PSW^1;
 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   = IEN0^7;
 sbit EWDRT = IEN0^6;
 sbit EBO  = IEN0^5;
 sbit ES   = IEN0^4;  
 sbit ESR  = IEN0^4; 
 sbit ET1  = IEN0^3;
 sbit EX1  = IEN0^2;
 sbit ET0  = IEN0^1;
 sbit EX0  = IEN0^0;
 
 
 sbit EC   = IEN1^2;
 sbit EKBI = IEN1^1;
 sbit EI2C = IEN1^0;
 
 
 sbit PST  = IP0^6;
 sbit PC   = IP0^2;
 sbit PKBI = IP0^1;
 sbit Pi2c = IP0^0;
 
 
 sbit PWDRT = IP0^6;
 sbit PBO  = IP0^5;
 sbit PS   = IP0^4;  
 sbit PSR  = IP0^4;
 sbit PT1  = IP0^3;
 sbit PX1  = IP0^2;
 sbit PT0  = IP0^1;
 sbit PX0  = IP0^0;
 
 
 
 sbit SM0  = SCON^7;  
 sbit FE   = 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 I2EN  = I2CON^6;
 sbit STA   = I2CON^5;
 sbit STO   = I2CON^4;
 sbit SI    = I2CON^3;
 sbit AA    = I2CON^2;
 sbit CRSEL = I2CON^0;
 
 
 sbit KB7 = P0^7;  
 sbit T1  = P0^7;
 sbit KB6 = P0^6;  
 
 sbit KB5 = P0^5;
 sbit KB4 = P0^4;
 sbit KB3 = P0^3;
 sbit KB2 = P0^2;
 sbit KB1 = P0^1;
 sbit KB0 = P0^0;  
 
 
 
 sbit RST     = P1^5;
 sbit INT1    = P1^4;
 sbit INT0    = P1^3;  
 sbit SDA     = P1^3;
 sbit T0      = P1^2;  
 sbit SCL     = P1^2;
 sbit RxD     = P1^1;
 sbit TxD     = P1^0;
 
 
 sbit XTAL1= P3^1;
 sbit XTAL2= P3^0;
 
 
 
#line 8 "timer.c" /0
 
 
  
#line 1 "sart.h" /0





 
 
  
#line 1 "C:\KEIL\C51\INC\PHILIPS\REG922.H" /0







 
 
 
#line 11 "C:\KEIL\C51\INC\PHILIPS\REG922.H" /1
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 183 "C:\KEIL\C51\INC\PHILIPS\REG922.H" /0
 
#line 8 "sart.h" /0
 
 
 
 
 
 
 sbit      RX_RDY        = 0x96;							 
 sbit      TX_BUSY       = 0x87;							 
 sbit      RX_BUSY       = 0x94;							 
 sbit      D_RDY         = 0x83;							 
 sbit      D_SYNC        = 0x80;							 
 sbit      SCLK      	= 0x81;							 
 sbit      SDATA   	    = 0x82;							 
 sbit      Rxok          = 0x97;							 
 sbit      RST_PLC       = 0x86;							 
 sbit      TX_EN         = 0x92;							 
 sbit      SYNC_50Hz     = 0x93;							 
 sbit      K2            = P3^1;	
 sbit      K1            = P3^0;						
 
 
 void uart_init();
 int uart_recved();
 int uart_processed();
 unsigned char uart_getchar();
 
 
 int recv_amr_frame(void);
 
 void uart_sendchar(char c);
 void uart_sendblock(char buf[], int len);
 
 
 
 void sync_sendchar(char c);
 int sync_recved();
 int sync_data_ready();
 int sync_getchar();
 int sync_getblock(char *buf, int len);
 
#line 10 "timer.c" /0
 
 
 
 
  unsigned char tm_count, count_reload; 
  unsigned char inter;
 
 void (*t0_proc)();    
  unsigned int t0_count;
  unsigned int t0_val;
 bit t0_enable;
 
 void (*t1_proc)();    
  unsigned int t1_count;
  unsigned int t1_val;
 bit t1_enable;
 
 void (*t2_proc)();    
  unsigned int t2_count;
  unsigned int t2_val;
 bit t2_enable;
 
 void (*t3_proc)();    
  unsigned char t3_count;
  unsigned char t3_val;
 bit t3_enable;
 
 void (*t4_proc)();    
  unsigned int t4_count;
  unsigned int t4_val;
 bit t4_enable;
 
 
 
 void timer0_init(unsigned char interval, unsigned char count)
 {
 
 
 
 TMOD = (TMOD & 0xF0) | 0x01;   
 TAMOD = 0x00;              
 
 TH0 = interval;   
 
 TL0 = 0;              
 inter=TH0;
 
 EX1 = 1;	   
 IT1 = 1;	   
 ET0 = 1;                       
 TR0 = 1;                       
 EA = 1;                        
 
 
 
 count_reload = count;
 tm_count = count;
 
 t0_enable = 0;
 t1_enable = 0;
 t2_enable = 0;
 t3_enable = 0;
 t4_enable = 0;
 }
 
 
 
 
 
 
 
 
 void timer0_ISR (void) interrupt 1 
 {
 TH0   = inter;  		   
 TL0	 = 0; 
 
 
 
 if (t0_enable == 1) {   
 t0_count++;
 if (t0_count == t0_val) {
 t0_count = 0;
 t0_proc();
 }
 }
 
 if (tm_count-- == 0) { 
 
 tm_count = count_reload;    
 
 if (t1_enable == 1) {    
 t1_count++;
 if (t1_count == t1_val) {
 t1_count = 0;
 t1_proc();   
 }
 }
 
 if (t2_enable == 1) {      
 t2_count++;
 if (t2_count == t2_val) {
 t2_count = 0;
 t2_proc();
 }
 }
 
 
 if (t3_enable == 1) {     
 t3_count++;
 if (t3_count == t3_val) {
 t3_count = 0;
 t3_proc();
 }
 }
 if (t4_enable == 1) {     
 t4_count++;
 if (t4_count == t4_val) {
 t4_count = 0;
 t4_proc();
 }
 }  
 }
 
 }
 
 
 void wdt_init()
 {
 ACC = WDCON;	    
 ACC = ACC| 0x74;   
 WDL = 0xff;	    
 WDCON = ACC;	    
 WFEED1 = 0xA5;	    
 WFEED2 = 0x5A;	    
 
 }
 
 
 void clr_wdt()
 {
 EA     =  0;		  
 WFEED1 = 0xA5;		  
 WFEED2 = 0x5A;		  
 
 EA     =  1;		  
 }
 
 
 void setup_t0(unsigned int t0, void (*proc)())
 {
 t0_val = t0;     
 t0_proc = proc;  
 t0_count = 0;
 t0_enable = 1;
 
 }
 
 
 
 void disable_t0(void)
 {
 t0_enable = 0;
 }
 
 
 void setup_t1(unsigned int t, void (*proc)())
 {
 t1_val = t;
 t1_proc = proc;
 t1_count = 0;
 t1_enable = 1;
 
 }
 
 void disable_t1(void)
 {
 t1_enable = 0;
 Rxok   = 1;
 }
 
 
 
 void setup_t2(unsigned int t, void (*proc)())
 {
 t2_val = t;
 t2_proc = proc;
 t2_count = 0;
 t2_enable = 1;
 
 }
 
 
 
 
 void disable_t2(void)
 {
 t2_enable = 0;
 }
 
 void setup_t3(unsigned int t, void (*proc)())
 {
 t3_val = t;
 t3_proc = proc;
 t3_count = 0;
 
 t3_enable = 1;
 }
 
 void disable_t3(void)
 {
 t3_enable = 0;
 }
 
 void setup_t4(unsigned int t, void (*proc)())
 {
 t4_val = t;
 t4_proc = proc;
 t4_count = 1;
 
 t4_enable = 1;
 }
 
 void disable_t4(void)
 {
 t4_enable = 0;
 
 }