00001 /* ---------------------------------------------------------------------------- */ 00002 /* Atmel Microcontroller Software Support */ 00003 /* SAM Software Package License */ 00004 /* ---------------------------------------------------------------------------- */ 00005 /* Copyright (c) 2015, Atmel Corporation */ 00006 /* */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without */ 00010 /* modification, are permitted provided that the following condition is met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, */ 00013 /* this list of conditions and the disclaimer below. */ 00014 /* */ 00015 /* Atmel's name may not be used to endorse or promote products derived from */ 00016 /* this software without specific prior written permission. */ 00017 /* */ 00018 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ 00019 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ 00020 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ 00021 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ 00022 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 00023 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 00024 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 00025 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 00026 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 00027 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 00028 /* ---------------------------------------------------------------------------- */ 00029 00030 /** 00031 * \file 00032 * 00033 * \section Purpose 00034 * 00035 * Interface for configuring and using Timer Counter (TC) peripherals. 00036 * 00037 * \section Usage 00038 * -# Optionally, use TC_FindMckDivisor() to let the program find the best 00039 * TCCLKS field value automatically. 00040 * -# Configure a Timer Counter in the desired mode using TC_Configure(). 00041 * -# Start or stop the timer clock using TC_Start() and TC_Stop(). 00042 */ 00043 00044 #ifndef _TC_ 00045 #define _TC_ 00046 00047 /*------------------------------------------------------------------------------ 00048 * Headers 00049 *----------------------------------------------------------------------------*/ 00050 00051 #include "chip.h" 00052 00053 #include <stdint.h> 00054 00055 /*------------------------------------------------------------------------------ 00056 * Global functions 00057 *----------------------------------------------------------------------------*/ 00058 00059 #ifdef __cplusplus 00060 extern "C" { 00061 #endif 00062 00063 extern void TC_Configure(Tc *pTc, uint32_t dwChannel, uint32_t dwMode); 00064 00065 extern void TC_Start(Tc *pTc, uint32_t dwChannel); 00066 00067 extern void TC_Stop(Tc *pTc, uint32_t dwChannel); 00068 00069 extern uint32_t TC_FindMckDivisor(uint32_t dwFreq, uint32_t dwMCk, 00070 uint32_t *dwDiv, uint32_t *dwTcClks, uint32_t dwBoardMCK); 00071 00072 #ifdef __cplusplus 00073 } 00074 #endif 00075 00076 #endif /* #ifndef _TC_ */ 00077