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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_AT91SAM3U256_IAR/] [AT91Lib/] [peripherals/] [tc/] [tc.h] - Rev 596
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/* ---------------------------------------------------------------------------- * ATMEL Microcontroller Software Support * ---------------------------------------------------------------------------- * Copyright (c) 2008, Atmel Corporation * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Atmel's name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ---------------------------------------------------------------------------- */ //------------------------------------------------------------------------------ /// \unit /// /// !Purpose /// /// API for configuring and using Timer Counter (TC) peripherals. /// /// !Usage /// -# Optionally, use TC_FindMckDivisor() to let the program find the best /// TCCLKS field value automatically. /// -# Configure a Timer Counter in the desired mode using TC_Configure(). /// -# Start or stop the timer clock using TC_Start() and TC_Stop(). //------------------------------------------------------------------------------ #ifndef TC_H #define TC_H //------------------------------------------------------------------------------ // Headers //------------------------------------------------------------------------------ #include <board.h> #if defined(AT91C_ID_TC0) // nothing to do #elif defined(AT91C_ID_TC012) #define AT91C_ID_TC0 AT91C_ID_TC012 #elif defined(AT91C_ID_TC) #define AT91C_ID_TC0 AT91C_ID_TC #else #error Pb define ID_TC #endif //------------------------------------------------------------------------------ // Global functions //------------------------------------------------------------------------------ extern void TC_Configure(AT91S_TC *pTc, unsigned int mode); extern void TC_Start(AT91S_TC *pTc); extern void TC_Stop(AT91S_TC *pTc); extern unsigned char TC_FindMckDivisor( unsigned int freq, unsigned int mck, unsigned int *div, unsigned int *tcclks); #endif //#ifndef TC_H
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