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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [io/] [serial/] [v2_0/] [src/] [common/] [haldiag.c] - Rev 308
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//========================================================================== // // io/serial/common/haldiag.c // // Serial I/O interface module using HAL I/O routines // //========================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): gthomas // Contributors: gthomas // Date: 1999-02-04 // Purpose: HAL/diag serial driver // Description: // //####DESCRIPTIONEND#### // //========================================================================== #include <pkgconf/io.h> #include <pkgconf/io_serial.h> #ifdef CYGPKG_IO_SERIAL_HALDIAG #include <cyg/io/io.h> #include <cyg/io/devtab.h> #include <cyg/io/serial.h> #include <cyg/infra/diag.h> #include <cyg/hal/hal_diag.h> static bool haldiag_init(struct cyg_devtab_entry *tab); static bool haldiag_putc(serial_channel *chan, unsigned char c); static unsigned char haldiag_getc(serial_channel *chan); static Cyg_ErrNo haldiag_set_config(serial_channel *chan, cyg_uint32 key, const void *xbuf, cyg_uint32 *len); static SERIAL_FUNS(haldiag_funs, haldiag_putc, haldiag_getc, haldiag_set_config, 0, // start xmit - not used 0 // stop xmit - not used ); static int _no_data; static SERIAL_CHANNEL(haldiag_channel0, haldiag_funs, _no_data, CYG_SERIAL_BAUD_DEFAULT, CYG_SERIAL_STOP_DEFAULT, CYG_SERIAL_PARITY_DEFAULT, CYG_SERIAL_WORD_LENGTH_DEFAULT, CYG_SERIAL_FLAGS_DEFAULT ); DEVTAB_ENTRY(haldiag_io0, "/dev/haldiag", 0, // Does not depend on a lower level interface &cyg_io_serial_devio, haldiag_init, 0, // No initialization/lookup needed &haldiag_channel0); static void haldiag_config_port(serial_channel *chan) { } static bool haldiag_init(struct cyg_devtab_entry *tab) { serial_channel *chan = (serial_channel *)tab->priv; #ifdef CYGDBG_IO_INIT diag_printf("HAL/diag SERIAL init\n"); #endif haldiag_config_port(chan); return true; } // Return 'true' if character is sent to device static bool haldiag_putc(serial_channel *chan, unsigned char c) { HAL_DIAG_WRITE_CHAR(c); return true; } static unsigned char haldiag_getc(serial_channel *chan) { unsigned char c; HAL_DIAG_READ_CHAR(c); return c; } static Cyg_ErrNo haldiag_set_config(serial_channel *chan, cyg_uint32 key, const void *xbuf, cyg_uint32 *len) { switch (key) { case CYG_IO_SET_CONFIG_SERIAL_INFO: diag_printf("%s\n", __FUNCTION__); return ENOERR; default: return -EINVAL; } } #endif // CYGPKG_IO_SERIAL_HALDIAG
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