/** * \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 */