Depressed "Serial communication"

/******************************************* program name:   1602 LCD Clock program writing time: October 4, 2015 hardware support: LCD1602 LCD screen   &NBSP;STC12C4052AD external 12MHZ crystal oscillator   Interface definition:        db0_db7 --> p1^0  --P1^7RS   = P3 ^ 2;RW   = P3 ^ 3; e    = p3 ^ 4;*******************************************/  #include  <STC12C2052AD.h>          //  contains header files  // typedef unsigned char uint8;  //  unsigned 8-bit integer variable  //#define &NBSP;LCD1602_DB0_DB7   P1   //  defining the LCM2402 data bus sbit lcd1602_rs   = p3 ^  2;   //  define LCM2402 's RS control line sbit lcd1602_rw   = p3 ^ 3 ;   //  defines the RW control line for LCM2402 sbit lcd1602_e    = p3 ^ 4;    // Defines the E control line of the LCM2402 sbit lcd1602_busy = p1 ^ 7;   //  Define LCM2402 lines (associated with LCD1602_DB0_DB7) unsigned char receive[32];unsigned char k; #define    CMD_clear   0x01 //  Clear Screen #define  cmd_back    0x02  // ddram back to 0 bits #define  cmd_dec1    0x04 //  ac (pointer) minus 1 after reading, write to left # define  cmd_add1    0x06 //  read-in AC (pointer) plus 1, write right #define  cmd_dis_ gb1 0x0f //  Open Display _ Open cursor _ Open cursor blinking #define  cmd_dis_gb2 0x0e //  on display _ Open cursor _ off cursor Blinking # define  cmd_dis_gb3 0x0c //  on show _ off cursor-off cursor blinking #define  cmd_off_dis 0x08  //  off Show _ off cursor-off cursor blinking #define  cmd_set82   0x38 // 8 bit bus _2 Line show # define   cmd_set81   0x30 // 8-bit bus _1 line display (top row) #define   CMD_set42    0x28 // 4 bit bus _2 line display #define&Nbsp; cmd_set41   0x20 // 4-bit bus _1 line display (top row) #define   lin_1        0x80 // 4-bit bus _1 line display (top row) #define   lin_2        0xc0 // 4 bit bus _1 line display (top row)  void DELAY_MS  (unsigned int a)  {unsigned int i;while  ( --a != 0 )    {for  (i=0;i <=600;i++);}}  void lcd1602_testbusy (void) {lcd1602_db0_db7 = 0xff;         LCD1602_RS = 0; lcd1602_rw = 1; Lcd1602_e = 1;delay_ms (2); while (Lcd1602_busy);          lcd1602_e = 0;                  delay_ms (2);}  void lcd1602_writecmd (Uint8 lcd1602_command)  { lcd1602_testbusy (); Lcd1602_db0_db7 = lcd1602_commanD lcd1602_rs = 0; lcd1602_rw = 0; Lcd1602_e = 1;delay_ms (2); Lcd1602_e = 0;delay_ms (2);}  void lcd1602_writedata (uint8 lcd1602_data) { lcd1602_testbusy (); lcd1602_db0_db7 = lcd1602_data; lcd1602_rs = 1; lcd1602_rw = 0; Lcd1602_e = 1;delay_ms (2); Lcd1602_e = 0;delay_ms (2);}   void print (UINT8&NBSP;A,UINT8&NBSP;*STR) {lcd1602_writecmd (a | 0x80); while (*str  !=  ' + ') {lcd1602_writedata (*str++);} *str = 0;}  void print2 (uint8 a,uint8 t) {lcd1602_writecmd (a | 0x80); Lcd1602_writedata (t);}  void lcd1602_init (void) {lcd1602_writecmd (cmd_set82);     //display mode setting: Displays 2 rows, each character is 5* 7 pixels lcd1602_writecmd (cmd_clear)     //display clear Lcd1602_writecmd (cmd_back);    The   //data pointer points to the 1th line 1th character position lcd1602_writecmd (CMD_ADD1);      //Displays the cursor movement settings: text does not move, Move the cursor right lcd1602_writecmd (Cmd_dis_GB3)   //display on and cursor settings: Display on, cursor on, flashing open}void init  (void) { //power-on initialization tmod = 0x11;          //  Timer/Counter 0, 1 working in mode 1   th0 = 0x3c;           //  preset 50ms Time Base signal    tl0 =  0xb0;   EA = 1;               //  Total Interruption    ET0 = 1;              //  Timer/Counter 0 allow interrupts    TR0 = 1;              //  Opening/Closing Timer/counter 0   }  Void receivem (void) {while (ri==1) {if (k==32) {k=0;} Receive[k]=sbuf; ri=0;k++;}} Void dis (void)  {unsigned char i;if (k>0 && k<16)  {LCD1602_ Writecmd (0x80); for (i=0;i<k;i++) {Lcd1602_writedata (recEive[i]);}} if (k>=16 && k<32) {lcd1602_writecmd (0xC0); for (i=16;i<k;i++) {Lcd1602_writedata ( Receive[i]);}}} Void uart_init (void) {ea=1; //Open total interrupt "timer, ADC, serial, compare, Count, external" interrupt type es=1; //allow the interrupt of the serial port tmod=0x20;   //  Timer 1&NBSP;T/C1 working mode, used to generate serial work frequency scon=0x50;  //  serial work mode 1th1=0xf3;   //   Timer initial value of high 8-bit settings, check the table frequency tl1=0xf3;    //  Timer Initial value of low 8-bit settings, check the table frequency pcon=0x80;  //   Baud rate multiplier 2400 is 4800 tr1=1;      //  timer start}  void uart_t   (Unsigned char uart_data) { sbuf = uart_data;                     while (TI ==  0);                       TI = 0;                               }  void UART_TC  (UNSIGNED&NBSP;CHAR&NBSP;*STR) {while (*str !=  ') {uart_t (*STR); *str++;} *str = 0;}  void uart_r (void)  interrupt 4 using 1{unsigned char UART_data; ri=0;                      uart_data=sbuf;           if ( UART_DATA==0X30)  {//        LED=~LED; uart_tc  ("Success! ");} Sbuf=uart_data; while (ti==0);   ti=0;            } void main  (void) {init ();//Initialize                              lcd1602_iNIT ();//lcm2402 initialization                             //uart_init (); while (1) { //dis (); Print (0x80, "http://990487026"),  print (0x40, ". blog.51cto.com/");  }} //void tiem0 (void)  interrupt 1{    ////  cou++;                       ////     if (cou > 1000)              //////        cou = 0;               ////    TH0 = 0x3c;                ////     TL0 = 0xb0; Receivem ();//}//display//http://990487026 //.blog.51cto.com/ 

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Depressed "Serial communication"