putchar.c

来自「Chipcon CC2431 EB TestProgram」· C语言 代码 · 共 40 行

/******************************************************************************
*                                                                             *
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*      ***        ***                                                         *
*     ***    ++    ***                                                        *
*     ***   +  +   ***                      CHIPCON                           *
*     ***   +                                                                 *
*     ***   +  +   ***                                                        *
*     ***    ++    ***                                                        *
*      ***        ***                                                         *
*       ************                                                          *
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*                                                                             *
*******************************************************************************

Filename:     putchar.c
Target:       cc2430
Author:       efu
Revised:      16/12-2005
Revision:     1.0
******************************************************************************/
#include "hal.h"

//-----------------------------------------------------------------------------
// See hal.h for a description of this function.
//-----------------------------------------------------------------------------
int putchar (int c)  {
   if (c == '\n')  {
      while (!UTX0IF);
      UTX0IF = 0;
      U0DBUF = 0x0d;       /* output CR  */
   }

   while (!UTX0IF);
   UTX0IF = 0;
   return (U0DBUF = c);
}