00001 /*This file is prepared for Doxygen automatic documentation generation.*/ 00013 00014 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00015 * 00016 * Redistribution and use in source and binary forms, with or without 00017 * modification, are permitted provided that the following conditions are met: 00018 * 00019 * 1. Redistributions of source code must retain the above copyright notice, 00020 * this list of conditions and the following disclaimer. 00021 * 00022 * 2. Redistributions in binary form must reproduce the above copyright notice, 00023 * this list of conditions and the following disclaimer in the documentation 00024 * and/or other materials provided with the distribution. 00025 * 00026 * 3. The name of Atmel may not be used to endorse or promote products derived 00027 * from this software without specific prior written permission. 00028 * 00029 * 4. This software may only be redistributed and used in connection with an Atmel 00030 * AVR product. 00031 * 00032 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00033 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00034 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE EXPRESSLY AND 00035 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, 00036 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00037 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00038 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00039 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00040 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00041 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00042 */ 00043 00044 #ifndef _WDT_DRV_H_ 00045 #define _WDT_DRV_H_ 00046 00047 //_____ I N C L U D E S ____________________________________________________ 00048 00049 #ifdef __GNUC__ 00050 #include <avr/io.h> 00051 #include <avr/wdt.h> 00052 #endif 00053 00054 00055 //_____ M A C R O S ________________________________________________________ 00056 00059 00060 #define Is_ext_reset() ((MCUSR&(1<<EXTRF)) ? TRUE:FALSE) 00061 #define Ack_ext_reset() (MCUSR= ~(1<<EXTRF)) 00062 #define Is_POR_reset() ((MCUSR&(1<<(MCUSR= ~(1<<PORF)))) ? TRUE:FALSE) 00063 #define Ack_POR_reset() (MCUSR= ~(1<<PORF)) 00064 #define Is_BOD_reset() ((MCUSR&(1<<BORF)) ? TRUE:FALSE) 00065 #define Ack_BOD_reset() (MCUSR= ~(1<<BORF)) 00066 #define Is_wdt_reset() ((MCUSR&(1<<WDRF)) ? TRUE:FALSE) 00067 #define Ack_wdt_reset() (MCUSR= ~(1<<WDRF)) 00068 00069 #define Wdt_ack_interrupt() (WDTCSR = (U8)(1<<WDIF)) 00070 #define Is_wdt_interrupt() (WDTCSR&(1<<WDIF) ? TRUE:FALSE) 00071 #define Is_not_wdt_interrupt() (WDTCSR&(1<<WDIF) ? FALSE:TRUE) 00072 #define Is_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? TRUE:FALSE) 00073 #define Is_not_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? FALSE:TRUE) 00074 00075 #define WDTO_16MS 0 00076 #define WDTO_32MS 1 00077 #define WDTO_64MS 2 00078 #define WDTO_125MS 3 00079 #define WDTO_250MS 4 00080 #define WDTO_500MS 5 00081 #define WDTO_1S 6 00082 #define WDTO_2S 7 00083 #define WDTO_4S 8 00084 #define WDTO_8S 9 00085 00086 00089 void wdtdrv_disable(void); 00090 00091 00096 void wdtdrv_enable( U8 timeout ); 00097 00098 00103 void wdtdrv_interrupt_enable( U8 timeout ); 00104 00105 00110 void wdtdrv_interrupt_reset_enable( U8 timeout ); 00111 00112 00113 #define Soft_reset() {asm("jmp 0000");} 00114 00116 00117 #endif // _WDT_DRV_H_ 00118