URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [m68k/] [mrm332/] [console/] [console.c] - Rev 1765
Compare with Previous | Blame | View Log
/* * This file contains the generic console driver shell used * by all console drivers using libchip. * * This driver uses the termios pseudo driver. * * COPYRIGHT (c) 1989-1997. * On-Line Applications Research Corporation (OAR). * Copyright assigned to U.S. Government, 1994. * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * console.c,v 1.2 2002/02/28 23:09:55 joel Exp */ #include <bsp.h> #include <rtems/libio.h> #include <termios.h> #include "sci.h" //#include "../../../../../../rtems/c/src/lib/libbsp/m68k/opti/console/duart.h" //#include "../../../../../../rtems/c/src/lib/libc/libio_.h" /*PAGE * * console_open * * open a port as a termios console. * * the console is opened in bsp_postdriver_hook() in bsppost.c * */ rtems_device_driver console_open( rtems_device_major_number major, rtems_device_minor_number minor, void * arg ) { rtems_status_code status; /* the console is opened three times at startup */ /* for standard input, output, and error */ /* Get correct callback structure for the device */ /* argument of FALSE gives us interrupt driven serial io */ /* argument of TRUE gives us polling based serial io */ /* SCI internal uart */ status = rtems_termios_open( major, minor, arg, SciGetTermiosHandlers( TRUE ) ); return status; } /*PAGE * * console_close * * This routine closes a port that has been opened as console. */ rtems_device_driver console_close( rtems_device_major_number major, rtems_device_minor_number minor, void * arg ) { return rtems_termios_close (arg); } /*PAGE * * console_read * * This routine uses the termios driver to read a character. */ rtems_device_driver console_read( rtems_device_major_number major, rtems_device_minor_number minor, void * arg ) { return rtems_termios_read (arg); } /*PAGE * * console_write * * this routine uses the termios driver to write a character. */ rtems_device_driver console_write( rtems_device_major_number major, rtems_device_minor_number minor, void * arg ) { return rtems_termios_write (arg); } /*PAGE * * console_control * * this routine uses the termios driver to process io */ rtems_device_driver console_control( rtems_device_major_number major, rtems_device_minor_number minor, void * arg ) { return rtems_termios_ioctl (arg); } /*PAGE * * console_initialize * * Routine called to initialize the console device driver. */ rtems_device_driver console_initialize( rtems_device_major_number major, rtems_device_minor_number minor_arg, void *arg ) { rtems_status_code status; /* * initialize the termio interface. */ rtems_termios_initialize(); /* * register the SCI device name for termios * do this over in the sci driver init routine? */ status = rtems_io_register_name( "/dev/sci", major, 0 ); if (status != RTEMS_SUCCESSFUL) { rtems_fatal_error_occurred(status); } /* * Link the uart device to the console device */ #if 1 status = rtems_io_register_name( "/dev/console", major, 0 ); if (status != RTEMS_SUCCESSFUL) { rtems_fatal_error_occurred(status); } #else if ( link( "/dev/sci", "/dev/console") < 0 ) { rtems_fatal_error_occurred( RTEMS_IO_ERROR ); } #endif /* * Console Initialize Succesful */ return RTEMS_SUCCESSFUL; }