00001 /* 00002 * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the copyright holders nor the names of 00014 * contributors may be used to endorse or promote products derived 00015 * from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00018 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00019 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00020 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00021 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00022 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00023 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00024 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00025 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00026 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00027 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00028 * SUCH DAMAGE. 00029 * 00030 * For additional information see http://www.ethernut.de/ 00031 * 00032 */ 00033 00034 /* 00035 * $Log: devreg.c,v $ 00036 * Revision 1.4 2004/09/08 10:24:26 haraldkipp 00037 * RAMSTART is too platform dependant 00038 * 00039 * Revision 1.3 2004/03/18 13:42:50 haraldkipp 00040 * Deprecated header file removed 00041 * 00042 * Revision 1.2 2004/03/16 16:48:45 haraldkipp 00043 * Added Jan Dubiec's H8/300 port. 00044 * 00045 * Revision 1.1.1.1 2003/05/09 14:41:47 haraldkipp 00046 * Initial using 3.2.1 00047 * 00048 * Revision 1.3 2003/04/21 17:06:40 harald 00049 * Device init moved to registration 00050 * 00051 * Revision 1.2 2003/02/04 18:15:56 harald 00052 * Version 3 released 00053 * 00054 * Revision 1.1 2003/01/17 18:55:24 harald 00055 * Device routines splitted 00056 * 00057 */ 00058 00059 #include <string.h> 00060 00061 #include <dev/uart.h> 00062 00067 00071 NUTDEVICE *nutDeviceList = 0; 00072 00080 NUTDEVICE *NutDeviceLookup(CONST char *name) 00081 { 00082 NUTDEVICE *dev; 00083 00084 for (dev = nutDeviceList; dev; dev = dev->dev_next) 00085 if (strcmp(dev->dev_name, name) == 0) 00086 break; 00087 00088 return dev; 00089 } 00090 00118 int NutRegisterDevice(NUTDEVICE * dev, uptr_t base, u_char irq) 00119 { 00120 int rc = -1; 00121 00122 //if ((void *) dev >= RAMSTART) { 00123 if (dev) { 00124 if (base) 00125 dev->dev_base = base; 00126 if (irq) 00127 dev->dev_irq = irq; 00128 00129 if (NutDeviceLookup(dev->dev_name) == 0) { 00130 if(dev->dev_init == 0 || (*dev->dev_init)(dev) == 0) { 00131 dev->dev_next = nutDeviceList; 00132 nutDeviceList = dev; 00133 rc = 0; 00134 } 00135 } 00136 } 00137 return rc; 00138 } 00139