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/*
* @file
*
* @ingroup Console
*
* @brief printk support routines
*
* This file contains 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.org/license/LICENSE.
*/
#include <rtems.h>
#include <rtems/bspIo.h>
#if BSP_ENABLE_VGA
#include <rtems/keyboard.h>
#endif
#include <bsp.h>
#include <libchip/serial.h>
#include <libchip/ns16550.h>
#include "../../../shared/console_private.h"
rtems_device_minor_number BSPPrintkPort = 0;
int ns16550_inbyte_nonblocking_polled(
int minor
);
void BSP_outch(char ch);
int BSP_inch(void);
void BSP_outch(char ch)
{
#if BSP_ENABLE_VGA
if ( BSPPrintkPort == BSP_CONSOLE_VGA ) {
_IBMPC_outch( ch );
return;
}
#endif
console_tbl *cptr;
cptr = &Console_Configuration_Ports[BSPPrintkPort];
cptr->pDeviceFns->deviceWritePolled( BSPPrintkPort, ch );
}
int BSP_inch(void)
{
int result;
#if BSP_ENABLE_VGA
if ( BSPPrintkPort == BSP_CONSOLE_VGA ) {
result = BSP_wait_polled_input();
} else
#endif
{
do {
result = ns16550_inbyte_nonblocking_polled( BSPPrintkPort );
} while (result == -1);
}
return result;
}
BSP_output_char_function_type BSP_output_char = BSP_outch;
BSP_polling_getchar_function_type BSP_poll_char = BSP_inch;
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