hello.c

来自「英飞凌16位单片机XE167欢迎文字源程序」· C语言 代码 · 共 34 行

/*------------------------------------------------------------------------------
HELLO.C: adapted for XC161/XC164 Board

Copyright 1995-2002 Keil Software, Inc.
------------------------------------------------------------------------------*/

#include <stdio.h>                /* standard I/O .h-file              */
#include <XC161.h>                /* special function register XC161   */
#include <math.h>


/****************/
/* main program */
/****************/
void main (void)  {               /* execution starts here               */
                                  /* initialize the serial interface     */
#ifndef Monitor         /* do not initialize if you use Monitor-166      */  
  P3  |= 0x0400;        /* SET PORT 3.10 OUTPUT LATCH (TXD)              */
  DP3 |= 0x0400;        /* SET PORT 3.10 DIRECTION CONTROL (TXD OUTPUT)  */
  DP3 &= 0xF7FF;        /* RESET PORT 3.11 DIRECTION CONTROL (RXD INPUT) */
  ASC0_TIC = 0x80;      /* SET TRANSMIT INTERRUPT FLAG                   */
  ASC0_RIC = 0x00;      /* DELETE RECEIVE INTERRUPT FLAG                 */
  ASC0_BG  = 0x40;      /* SET BAUDRATE TO 9600 BAUD @ 20MHz             */
  ASC0_CON = 0x8011;    /* SET SERIAL MODE                               */
  ALTSEL0P3 |= 0x0C00;  /* Configure port pins for serial interface 0    */
#endif


  printf ("Hello World\n");  /* the 'printf' function call               */
  while (1) {                /* An embedded program does not stop and    */
    ;  /* ... */             /* never returns.  We've used an endless    */
  }                          /* loop.  You may wish to put in your own   */
}                            /* code were we've printed the dots (...).  */