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error.c

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00001 /*
00002 Copyright (c) 2002, 2003, Oliver Tscherwitschke
00003 All rights reserved.
00004 
00005 Redistribution and use in source and binary forms, with or without
00006 modification, are permitted provided that the following conditions are met:
00007 
00008 1. Redistributions of source code must retain the above copyright notice,
00009    this list of conditions and the following disclaimer.
00010 2. Redistributions in binary form must reproduce the above copyright notice,
00011    this list of conditions and the following disclaimer in the documentation
00012    and/or other materials provided with the distribution.
00013 3. The name of the author may not be used to endorse or promote products
00014    derived from this software without specific prior written permission.
00015 
00016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
00017 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00018 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
00019 EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00020 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00021 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
00022 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
00023 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
00024 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
00025 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026 */
00027 
00035 #include <avr/pgmspace.h>
00036 
00037 #include "otos_cfg.h"
00038 #include "otos_def.h"
00039 #include "types.h"
00040 #include "error.h"
00041 
00042 
00043 /* error handler function pointers */
00044 void (*g_pErrorHandler)(uint8_t*);      /* initialized to NULL by C runtime system */
00045 void (*g_pErrorHandler_P)(PGM_P);       /* initialized to NULL by C runtime system */
00046 
00047 
00067 void otosError(uint8_t* pMessage)
00068 {
00069     if (g_pErrorHandler)
00070         (*g_pErrorHandler)(pMessage);       /* call error hanlder if available */
00071     else
00072         while (1);                          /* else halt system */
00073 }
00074 
00075 
00087 void otosError_P(PGM_P pMessage)
00088 {
00089     if (g_pErrorHandler_P)
00090         (*g_pErrorHandler_P)(pMessage);     /* call error hanlder if available */
00091     else
00092         while (1);                          /* else halt system */
00093 }
00094 
00095 
00107 void otosSetErrorHandler(void (*pFunc)(uint8_t*))
00108 {
00109     g_pErrorHandler = pFunc;    
00110 }
00111 
00112 
00124 void otosSetErrorHandler_P(void (*pFunc)(PGM_P))
00125 {
00126     g_pErrorHandler_P = pFunc;
00127 }
00128 

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