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00001 /* ----------------------------------------------------------------------------
00002  *         ATMEL Microcontroller Software Support 
00003  * ----------------------------------------------------------------------------
00004  * Copyright (c) 2008, Atmel Corporation
00005  *
00006  * All rights reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions are met:
00010  *
00011  * - Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the disclaimer below.
00013  *
00014  * Atmel's name may not be used to endorse or promote products derived from
00015  * this software without specific prior written permission.
00016  *
00017  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
00020  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00022  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
00023  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00024  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00025  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  * ----------------------------------------------------------------------------
00028  */
00029 
00030 //------------------------------------------------------------------------------
00052 //------------------------------------------------------------------------------
00053 
00054 #ifndef PIT_H
00055 #define PIT_H
00056 
00057 //------------------------------------------------------------------------------
00058 //         Headers
00059 //------------------------------------------------------------------------------
00060 
00061 //------------------------------------------------------------------------------
00062 //         Exported functions
00063 //------------------------------------------------------------------------------
00064 extern void PIT_Init(unsigned int period, unsigned int pit_frequency);
00065 extern void PIT_SetPIV(unsigned int piv);
00066 extern void PIT_Enable(void);
00067 extern void PIT_EnableIT(void);
00068 extern void PIT_DisableIT(void);
00069 extern unsigned int PIT_GetMode(void);
00070 extern unsigned int PIT_GetStatus(void);
00071 extern unsigned int PIT_GetPIIR(void);
00072 extern unsigned int PIT_GetPIVR(void);
00073 
00074 #endif //#ifndef PIT_H