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128 lines
5.3 KiB
C
128 lines
5.3 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, 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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* \file
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*
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* \par 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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* \par 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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* \ref PWMC_ConfigureClocks().
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* -# Configure PWMC channel using \ref PWMC_ConfigureChannel(), \ref PWMC_ConfigureChannelExt()
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* \ref PWMC_SetPeriod(), \ref PWMC_SetDutyCycle() and \ref PWMC_SetDeadTime().
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* -# Enable & disable channel using \ref PWMC_EnableChannel() and
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* \ref PWMC_DisableChannel().
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* -# Enable & disable the period interrupt for the given PWM channel using
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* \ref PWMC_EnableChannelIt() and \ref PWMC_DisableChannelIt().
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* -# Enable & disable the selected interrupts sources on a PWMC peripheral
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* using \ref PWMC_EnableIt() and \ref PWMC_DisableIt().
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* -# Control syncronous channel using \ref PWMC_ConfigureSyncChannel(),
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* \ref PWMC_SetSyncChannelUpdatePeriod() and \ref PWMC_SetSyncChannelUpdateUnlock().
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* -# Control PWM override output using \ref PWMC_SetOverrideValue(),
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* \ref PWMC_EnableOverrideOutput() and \ref PWMC_DisableOverrideOutput().
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* -# Send data through the transmitter using \ref PWMC_WriteBuffer().
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*
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*/
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#ifndef _PWMC_
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#define _PWMC_
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "chip.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*----------------------------------------------------------------------------
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* Exported functions
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*----------------------------------------------------------------------------*/
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extern void PWMC_ConfigureChannel(
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Pwm* pPwm,
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uint8_t channel,
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uint32_t prescaler,
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uint32_t alignment,
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uint32_t polarity);
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extern void PWMC_ConfigureChannelExt(
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Pwm* pPwm,
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uint8_t channel,
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uint32_t prescaler,
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uint32_t alignment,
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uint32_t polarity,
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uint32_t countEventSelect,
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uint32_t DTEnable,
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uint32_t DTHInverte,
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uint32_t DTLInverte);
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extern void PWMC_ConfigureClocks(uint32_t clka, uint32_t clkb, uint32_t mck);
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extern void PWMC_SetPeriod( Pwm* pPwm, uint8_t channel, uint16_t period);
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extern void PWMC_SetDutyCycle( Pwm* pPwm, uint8_t channel, uint16_t duty);
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extern void PWMC_SetDeadTime( Pwm* pPwm, uint8_t channel, uint16_t timeH, uint16_t timeL);
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extern void PWMC_ConfigureSyncChannel( Pwm* pPwm,
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uint32_t channels,
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uint32_t updateMode,
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uint32_t requestMode,
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uint32_t requestComparisonSelect);
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extern void PWMC_SetSyncChannelUpdatePeriod( Pwm* pPwm, uint8_t period);
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extern void PWMC_SetSyncChannelUpdateUnlock( Pwm* pPwm );
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extern void PWMC_EnableChannel( Pwm* pPwm, uint8_t channel);
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extern void PWMC_DisableChannel( Pwm* pPwm, uint8_t channel);
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extern void PWMC_EnableChannelIt( Pwm* pPwm, uint8_t channel);
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extern void PWMC_DisableChannelIt( Pwm* pPwm, uint8_t channel);
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extern void PWMC_EnableIt( Pwm* pPwm, uint32_t sources1, uint32_t sources2);
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extern void PWMC_DisableIt( Pwm* pPwm, uint32_t sources1, uint32_t sources2);
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extern uint8_t PWMC_WriteBuffer(Pwm *pwmc,
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void *buffer,
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uint32_t length);
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extern void PWMC_SetOverrideValue( Pwm* pPwm, uint32_t value);
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extern void PWMC_EnableOverrideOutput( Pwm* pPwm, uint32_t value, uint32_t sync);
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extern void PWMC_DisableOverrideOutput( Pwm* pPwm, uint32_t value, uint32_t sync);
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extern void PWMC_SetFaultMode( Pwm* pPwm, uint32_t mode);
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extern void PWMC_FaultClear( Pwm* pPwm, uint32_t fault);
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extern void PWMC_SetFaultProtectionValue( Pwm* pPwm, uint32_t value);
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extern void PWMC_EnableFaultProtection( Pwm* pPwm, uint32_t value);
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extern void PWMC_ConfigureComparisonUnit( Pwm* pPwm, uint32_t x, uint32_t value, uint32_t mode);
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extern void PWMC_ConfigureEventLineMode( Pwm* pPwm, uint32_t x, uint32_t mode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef _PWMC_ */
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