source: rtems/c/src/lib/libbsp/mips/malta/console/printk_support.c @ a36d1b4

/**
 *  @file
 *
 *  This file contains a stub for the required printk support.
 */

/*
 *  COPYRIGHT (c) 1989-2012.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 */

#include <rtems.h>
#include <bsp.h>
#include <libchip/serial.h>
#include <libchip/ns16550.h>

rtems_device_minor_number         BSPPrintkPort = 0;

void BSP_com_outch(char ch);
int BSP_com_inch( void );

/*
 *  Following assume all are ns16650
 */
void BSP_com_outch(char ch)
{
  console_tbl                   *cptr;

  cptr = &Console_Configuration_Ports[BSPPrintkPort];

  return ns16550_outch_polled( cptr, ch );
}

int BSP_com_inch( void )
{
  int           result;
  console_tbl   *cptr;

  cptr = &Console_Configuration_Ports[BSPPrintkPort];

  do {
    result = ns16550_inch_polled( cptr );
  } while (result == -1);

  return result;
}

BSP_output_char_function_type     BSP_output_char = BSP_com_outch;
BSP_polling_getchar_function_type BSP_poll_char = BSP_com_inch;