From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- peripherals/tc/tc.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 peripherals/tc/tc.h (limited to 'peripherals/tc/tc.h') diff --git a/peripherals/tc/tc.h b/peripherals/tc/tc.h new file mode 100644 index 0000000..ea71d54 --- /dev/null +++ b/peripherals/tc/tc.h @@ -0,0 +1,80 @@ +/* ---------------------------------------------------------------------------- + * 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 + +#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 + -- cgit v1.2.3