/* ---------------------------------------------------------------------------- * 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 /// /// Interface for configuration the Pulse Width Modulation Controller (PWM) peripheral. /// /// !Usage /// /// -# Configures PWM clocks A & B to run at the given frequencies using /// PWMC_ConfigureClocks(). /// -# Configure PWMC channel using PWMC_ConfigureChannel(), PWMC_SetPeriod() /// and PWMC_SetDutyCycle(). /// -# Enable & disable channel using PWMC_EnableChannel() and /// PWMC_DisableChannel(). /// -# Enable & disable the period interrupt for the given PWM channel using /// PWMC_EnableChannelIt() and PWMC_DisableChannelIt(). /// /// Please refer to the list of functions in the #Overview# tab of this unit /// for more detailed information. //------------------------------------------------------------------------------ #ifndef PWMC_H #define PWMC_H //------------------------------------------------------------------------------ // Global functions //------------------------------------------------------------------------------ extern void PWMC_ConfigureChannel( unsigned char channel, unsigned int prescaler, unsigned int alignment, unsigned int polarity); extern void PWMC_ConfigureClocks (unsigned int clka, unsigned int clkb, unsigned int mck); extern void PWMC_SetPeriod(unsigned char channel, unsigned short period); extern void PWMC_SetDutyCycle(unsigned char channel, unsigned short duty); extern void PWMC_EnableChannel(unsigned char channel); extern void PWMC_DisableChannel(unsigned char channel); extern void PWMC_EnableChannelIt(unsigned char channel); extern void PWMC_DisableChannelIt(unsigned char channel); #endif //#ifndef PWMC_H