104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/*
|
|
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
|
|
|
|
This file is part of ChibiOS/RT.
|
|
|
|
ChibiOS/RT 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/**
|
|
* @file pwm.h
|
|
* @brief PWM Driver macros and structures.
|
|
* @addtogroup PWM
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _PWM_H_
|
|
#define _PWM_H_
|
|
|
|
#if CH_HAL_USE_PWM || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver constants. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver data structures and types. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Driver state machine possible states.
|
|
*/
|
|
typedef enum {
|
|
PWM_UNINIT = 0, /**< @brief Not initialized. */
|
|
PWM_STOP = 1, /**< @brief Stopped. */
|
|
PWM_READY = 2, /**< @brief Ready. */
|
|
} pwmstate_t;
|
|
|
|
/**
|
|
* @brief PWM logic mode.
|
|
*/
|
|
typedef enum {
|
|
PWM_OUTPUT_DISABLED = 0, /**< @brief Output not driven, callback
|
|
only. */
|
|
PWM_OUTPUT_ACTIVE_HIGH = 1, /**< @brief Idle is logic level 0. */
|
|
PWM_OUTPUT_ACTIVE_LOW = 2 /**< @brief Idle is logic level 1. */
|
|
} pwmmode_t;
|
|
|
|
/**
|
|
* @brief PWM notification callback type.
|
|
*
|
|
* @param[in] active current channel output state
|
|
*/
|
|
typedef void (*pwmcallback_t)(void);
|
|
|
|
#include "pwm_lld.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void pwmInit(void);
|
|
void pwmObjectInit(PWMDriver *pwmp);
|
|
void pwmStart(PWMDriver *pwmp, const PWMConfig *config);
|
|
void pwmStop(PWMDriver *pwmp);
|
|
void pwmEnableChannel(PWMDriver *pwmp,
|
|
pwmchannel_t channel,
|
|
pwmcnt_t width);
|
|
void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* CH_HAL_USE_PWM */
|
|
|
|
#endif /* _PWM_H_ */
|
|
|
|
/** @} */
|