uart.lst

lpc2119I2C是NXP公司嵌入式芯片LPC2119 的串口测试程序part1

C51 COMPILER V7.06   UART                                                                  07/16/2003 17:29:57 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE UART
OBJECT MODULE PLACED IN .\uart.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\..\LPC932 Validation\I2C\I2Cslave\uart.c BROWSE DEBUG OBJECTEXTEND PRINT
                    -(.\uart.lst) OBJECT(.\uart.obj)

stmt level    source

   1          #include <REG932.H>
   2          typedef unsigned char   BYTE;
   3          typedef unsigned short  WORD;
   4          
   5          static char ascii[] = "0123456789ABCDEF";
   6          
   7          void UART_Init(void)
   8          {
   9   1          P1M1 &= 0xFC;           /* TXD (P1.0) -> quasi bidir    */
  10   1      //    P1M2 |= 0x01;           /* RXD (P1.1) -> quasi bidir    */
  11   1      
  12   1      // BRG -> BRGR1,BRGR0 = (OSC / baudrate) - 16
  13   1      // BRG -> BRGR1,BRGR0 = (7.373Mhz / 19200) - 16 = 0x170
  14   1      
  15   1          BRGR1  = 0x01;
  16   1          BRGR0  = 0x70;
  17   1          BRGCON = 3;
  18   1          AUXR1 |= 0x40;          /* enable break detect reset    */
  19   1          SCON = 0x52;            /* mode 1, receiver enable      */
  20   1      }
  21          
  22          char ua_inchar(void)            /* this function looks if there is a character available*/
  23          {
  24   1          if (!RI)
  25   1              return -1;
  26   1          else
  27   1          {
  28   2              RI = 0;
  29   2              return SBUF & 0x7F;
  30   2          }
  31   1      }
  32          
  33          char ua_getchar(void)           /* this function waits for a character */
  34          {
  35   1        char  c;
  36   1      
  37   1              while (!RI)
  38   1                      ;
  39   1              c = SBUF & 0x7F;
  40   1              RI = 0;
  41   1              return c;
  42   1      }
  43          
  44          void ua_outchar(char c)         
  45          {
  46   1          while (!TI)  ;
  47   1          SBUF = c;
  48   1          TI = 0;
  49   1      }
  50          
  51          void PrintByte(BYTE b, bit z)
  52          {
  53   1          if (!z || ((b >> 4) != 0))
  54   1              ua_outchar(ascii[b >> 4]);
C51 COMPILER V7.06   UART                                                                  07/16/2003 17:29:57 PAGE 2   

  55   1      
  56   1          ua_outchar(ascii[b & 0x0f]);
  57   1      }
  58          
  59          void PrintWord(WORD w)
  60          {
  61   1          PrintByte((BYTE)(w>>8),0);
  62   1          PrintByte((BYTE)w,0);
  63   1      }
  64          
  65          void PrintLong(long l)
  66          {
  67   1          PrintWord((WORD)(l>>16));
  68   1          PrintWord((WORD)l);
  69   1      }
  70          
  71          void PrintDecimal(BYTE b)
  72          {
  73   1        BYTE p;
  74   1      
  75   1          p = ascii[b / 10];
  76   1          if (p != '0')
  77   1              ua_outchar(p);
  78   1          ua_outchar(ascii[b % 10]);
  79   1      }
  80          
  81          void PrintString(char *s)
  82          {
  83   1          while (*s)
  84   1          {
  85   2              if (*s == '\n')
  86   2                  ua_outchar('\r');         /* output a '\r' first               */
  87   2              ua_outchar(*s);
  88   2              s++;
  89   2          }
  90   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    191    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     17       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)