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Diffstat (limited to 'bsps/arm/atsam/include/libchip/include/tc.h')
| -rw-r--r-- | bsps/arm/atsam/include/libchip/include/tc.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/bsps/arm/atsam/include/libchip/include/tc.h b/bsps/arm/atsam/include/libchip/include/tc.h new file mode 100644 index 0000000000..2136634475 --- /dev/null +++ b/bsps/arm/atsam/include/libchip/include/tc.h @@ -0,0 +1,77 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) 2015, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is 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. */ +/* ---------------------------------------------------------------------------- */ + +/** + * \file + * + * \section Purpose + * + * Interface for configuring and using Timer Counter (TC) peripherals. + * + * \section 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_ +#define _TC_ + +/*------------------------------------------------------------------------------ + * Headers + *----------------------------------------------------------------------------*/ + +#include "chip.h" + +#include <stdint.h> + +/*------------------------------------------------------------------------------ + * Global functions + *----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" { +#endif + +extern void TC_Configure(Tc *pTc, uint32_t dwChannel, uint32_t dwMode); + +extern void TC_Start(Tc *pTc, uint32_t dwChannel); + +extern void TC_Stop(Tc *pTc, uint32_t dwChannel); + +extern uint32_t TC_FindMckDivisor(uint32_t dwFreq, uint32_t dwMCk, + uint32_t *dwDiv, uint32_t *dwTcClks, uint32_t dwBoardMCK); + +#ifdef __cplusplus +} +#endif + +#endif /* #ifndef _TC_ */ + |