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jeremybenn |
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \unit
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///
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/// !Purpose
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///
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/// Interface for configuration the Pulse Width Modulation Controller (PWM) peripheral.
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///
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/// !Usage
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///
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/// -# Configures PWM clocks A & B to run at the given frequencies using
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/// PWMC_ConfigureClocks().
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/// -# Configure PWMC channel using PWMC_ConfigureChannel(), PWMC_SetPeriod()
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/// and PWMC_SetDutyCycle().
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/// -# Enable & disable channel using PWMC_EnableChannel() and
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/// PWMC_DisableChannel().
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/// -# Enable & disable the period interrupt for the given PWM channel using
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/// PWMC_EnableChannelIt() and PWMC_DisableChannelIt().
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///
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/// Please refer to the list of functions in the #Overview# tab of this unit
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/// for more detailed information.
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//------------------------------------------------------------------------------
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#ifndef PWMC_H
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#define PWMC_H
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//------------------------------------------------------------------------------
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// Global functions
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//------------------------------------------------------------------------------
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extern void PWMC_ConfigureChannel(
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unsigned char channel,
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unsigned int prescaler,
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unsigned int alignment,
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unsigned int polarity);
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extern void PWMC_ConfigureClocks
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(unsigned int clka,
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unsigned int clkb,
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unsigned int mck);
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extern void PWMC_SetPeriod(unsigned char channel, unsigned short period);
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extern void PWMC_SetDutyCycle(unsigned char channel, unsigned short duty);
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extern void PWMC_EnableChannel(unsigned char channel);
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extern void PWMC_DisableChannel(unsigned char channel);
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extern void PWMC_EnableChannelIt(unsigned char channel);
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extern void PWMC_DisableChannelIt(unsigned char channel);
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#endif //#ifndef PWMC_H
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