Main Page Main Page Related Pages Files callback.c00001 /* 00002 * $Id: callback.c,v 1.5 2003/12/01 09:10:14 troth Exp $ 00003 * 00004 **************************************************************************** 00005 * 00006 * simulavr - A simulator for the Atmel AVR family of microcontrollers. 00007 * Copyright (C) 2001, 2002, 2003 Theodore A. Roth 00008 * 00009 * This program is free software; you can redistribute it and/or modify 00010 * it under the terms of the GNU General Public License as published by 00011 * the Free Software Foundation; either version 2 of the License, or 00012 * (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software 00021 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 * 00023 **************************************************************************** 00024 */ 00025 00026 #include <config.h> 00027 00028 #include <stdio.h> 00029 #include <stdlib.h> 00030 00031 #include "avrerror.h" 00032 #include "avrmalloc.h" 00033 #include "avrclass.h" 00034 #include "utils.h" 00035 #include "callback.h" 00036 00037 /****************************************************************************\ 00038 * 00039 * Clock Call Back methods 00040 * 00041 \****************************************************************************/ 00042 00043 #ifndef DOXYGEN /* don't expose to doxygen */ 00044 00045 struct _CallBack 00046 { 00047 AvrClass parent; 00048 CallBack_FP func; /* the callback function */ 00049 AvrClass *data; /* user data to be passed to callback 00050 function */ 00051 }; 00052 00053 #endif /* DOXYGEN */ 00054 00055 CallBack * 00056 callback_new (CallBack_FP func, AvrClass *data) 00057 { 00058 CallBack *cb; 00059 00060 cb = avr_new (CallBack, 1); 00061 callback_construct (cb, func, data); 00062 class_overload_destroy ((AvrClass *)cb, callback_destroy); 00063 00064 return cb; 00065 } 00066 00067 void 00068 callback_construct (CallBack *cb, CallBack_FP func, AvrClass *data) 00069 { 00070 if (cb == NULL) 00071 avr_error ("passed null ptr"); 00072 00073 class_construct ((AvrClass *)cb); 00074 00075 cb->func = func; 00076 00077 cb->data = data; 00078 00079 if (data) 00080 class_ref (data); 00081 } 00082 00083 void 00084 callback_destroy (void *cb) 00085 { 00086 CallBack *_cb = (CallBack *)cb; 00087 00088 if (cb == NULL) 00089 return; 00090 00091 if (_cb->data) 00092 class_unref (_cb->data); 00093 00094 class_destroy (cb); 00095 } 00096 00097 DList * 00098 callback_list_add (DList *head, CallBack *cb) 00099 { 00100 return dlist_add (head, (AvrClass *)cb, NULL); 00101 } 00102 00103 static int 00104 callback_execute (AvrClass *data, void *user_data) 00105 { 00106 CallBack *cb = (CallBack *)data; 00107 uint64_t time = *(uint64_t *) user_data; 00108 00109 return cb->func (time, cb->data); 00110 } 00111 00112 DList * 00113 callback_list_execute_all (DList *head, uint64_t time) 00114 { 00115 return dlist_iterator (head, callback_execute, &time); 00116 } Automatically generated by Doxygen 1.5.5 on 7 Nov 2008.