forked from Imagelibrary/rtems
85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
/*
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* @file
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*
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* @ingroup Console
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*
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* @brief printk support routines
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*
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* This file contains the required printk support.
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*/
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/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <rtems.h>
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#include <rtems/bspIo.h>
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#if BSP_ENABLE_VGA
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#include <rtems/keyboard.h>
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#endif
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#include <bsp.h>
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#include <libchip/serial.h>
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#include <libchip/ns16550.h>
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#include "../../shared/dev/serial/legacy-console.h"
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rtems_device_minor_number BSPPrintkPort = 0;
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void BSP_outch(char ch);
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int BSP_inch(void);
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void BSP_outch(char ch)
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{
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#if BSP_ENABLE_VGA
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bool isVga = BSPPrintkPort == BSP_CONSOLE_VGA;
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#else
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bool isVga = false;
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#endif
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if ( !isVga ) {
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console_tbl *port = Console_Port_Tbl[BSPPrintkPort];
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if (port->pDeviceFns && port->pDeviceFns->deviceWritePolled) {
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port->pDeviceFns->deviceWritePolled( BSPPrintkPort, ch );
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}
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return;
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}
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#if BSP_ENABLE_VGA
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_IBMPC_outch( ch );
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#endif
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}
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int BSP_inch(void)
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{
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#if BSP_ENABLE_VGA
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bool isVga = BSPPrintkPort == BSP_CONSOLE_VGA;
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#else
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bool isVga = false;
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#endif
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int result = -1;
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if ( !isVga ) {
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console_tbl *port = Console_Port_Tbl[BSPPrintkPort];
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if (port->pDeviceFns && port->pDeviceFns->deviceRead) {
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do {
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result = port->pDeviceFns->deviceRead( BSPPrintkPort );
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} while (result == -1);
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return result;
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}
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}
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#if BSP_ENABLE_VGA
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result = BSP_wait_polled_input();
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#endif
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return result;
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}
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BSP_output_char_function_type BSP_output_char = BSP_outch;
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BSP_polling_getchar_function_type BSP_poll_char = BSP_inch;
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