73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/**
|
|
* \file
|
|
* <!--
|
|
* This file is part of BeRTOS.
|
|
*
|
|
* Bertos is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* As a special exception, you may use this file as part of a free software
|
|
* library without restriction. Specifically, if other files instantiate
|
|
* templates or use macros or inline functions from this file, or you compile
|
|
* this file and link it with other files to produce an executable, this
|
|
* file does not by itself cause the resulting executable to be covered by
|
|
* the GNU General Public License. This exception does not however
|
|
* invalidate any other reasons why the executable file might be covered by
|
|
* the GNU General Public License.
|
|
*
|
|
* Copyright 2007 Develer S.r.l. (http://www.develer.com/)
|
|
*
|
|
* -->
|
|
*
|
|
* \brief Low-level PWM module for AVR (interface).
|
|
*
|
|
*
|
|
* \author Daniele Basile <asterix@develer.com>
|
|
*
|
|
*/
|
|
|
|
#ifndef DRV_PWM_AVR_H
|
|
#define DRV_PWM_AVR_H
|
|
|
|
#include "hw/pwm_map.h"
|
|
|
|
#include <cpu/types.h>
|
|
|
|
#define PWM_HW_MAX_PRESCALER_STEP 10
|
|
#define PWM_HW_MAX_PERIOD 0xFFFF
|
|
|
|
/**
|
|
* Type definition for pwm period.
|
|
*/
|
|
typedef uint16_t pwm_period_t;
|
|
|
|
/**
|
|
* Structur definition for pwm driver.
|
|
*/
|
|
typedef struct PwmChannel
|
|
{
|
|
/* */
|
|
} PwmChannel;
|
|
|
|
|
|
void pwm_hw_init(void);
|
|
void pwm_hw_setFrequency(PwmDev dev, uint32_t freq);
|
|
void pwm_hw_setDutyUnlock(PwmDev dev, uint16_t duty);
|
|
void pwm_hw_disable(PwmDev dev);
|
|
void pwm_hw_enable(PwmDev dev);
|
|
void pwm_hw_setPolarity(PwmDev dev, bool pol);
|
|
pwm_period_t pwm_hw_getPeriod(PwmDev dev);
|
|
|
|
#endif /* DRV_ADC_AT91_H */
|