git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1381 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
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@ -29,6 +29,10 @@
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#if CH_HAL_USE_CAN || defined(__DOXYGEN__)
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#if !CH_USE_SEMAPHORES
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#error "CAN driver requires CH_USE_SEMAPHORES"
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#endif
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/**
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* @brief Errors rate warning.
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*/
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@ -29,6 +29,10 @@
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#if CH_HAL_USE_MMC_SPI || defined(__DOXYGEN__)
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#if !CH_USE_EVENTS
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#error "MMC_SPI driver requires CH_USE_EVENTS"
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#endif
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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@ -0,0 +1,87 @@
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file pwm.h
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* @brief PWM Driver macros and structures.
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* @addtogroup PWM
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* @{
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*/
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#ifndef _PWM_H_
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#define _PWM_H_
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/**
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* @brief Driver state machine possible states.
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*/
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typedef enum {
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PWM_UNINIT = 0, /**< @brief Not initialized. */
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PWM_STOP = 1, /**< @brief Stopped. */
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PWM_READY = 2, /**< @brief Ready. */
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} pwmstate_t;
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/**
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* @brief PWM edge for callbacks.
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*/
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typedef enum {
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PWM_NONE = 0, /**< @brief No callback. */
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PWM_TO_ACTIVE_EDGE = 1, /**< @brief Enable on idle->active. */
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PWM_TO_IDLE_EDGE = 2, /**< @brief Enable on active->idle. */
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PWM_BOTH_EDGES = 3 /**< @brief Enable on both edges. */
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} pwmedge_t;
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/**
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* @brief PWM logic mode.
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*/
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typedef enum {
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PWM_ACTIVE_LOW = 0, /**< @brief Idle is logic level 1. */
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PWM_ACTIVE_HIGH = 1 /**< @brief Idle is logic level 0. */
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} pwmmode_t;
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/**
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* @brief PWM notification callback type.
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*
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* @param[in] active current channel output state
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*/
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typedef void (*pwmcallback_t)(bool_t active);
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#include "pwm_lld.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void pwmInit(void);
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void pwmObjectInit(PWMDriver *pwmp);
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void pwmStart(PWMDriver *pwmp, const PWMConfig *config);
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void pwmStop(PWMDriver *pwmp);
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void pwmSetCallback(PWMDriver *pwmp,
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pwmchannel_t channel,
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pwmedge_t edge,
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pwmcallback_t callback);
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void pwmEnableChannel(PWMDriver *pwmp,
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pwmchannel_t channel,
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pwmcnt_t width);
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void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PWM_H_ */
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/** @} */
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@ -0,0 +1,150 @@
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file PWM.c
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* @brief PWM Driver code.
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* @addtogroup PWM
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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/**
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* @brief PWM Driver initialization.
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*/
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void pwmInit(void) {
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pwm_lld_init();
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}
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/**
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* @brief Initializes the standard part of a @p PWMDriver structure.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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*/
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void pwmObjectInit(PWMDriver *pwmp) {
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pwmp->pd_state = PWM_STOP;
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pwmp->pwm_config = NULL;
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}
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/**
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* @brief Configures and activates the PWM peripheral.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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* @param[in] config pointer to the @p PWMConfig object
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*/
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void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
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chDbgCheck((pwmp != NULL) && (config != NULL), "pwmStart");
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chSysLock();
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chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
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"pwmStart(), #1",
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"invalid state");
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pwmp->pd_config = config;
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pwm_lld_start(pwmp);
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pwmp->pd_state = PWM_READY;
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chSysUnlock();
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}
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/**
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* @brief Deactivates the PWM peripheral.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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*/
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void pwmStop(PWMDriver *pwmp) {
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chDbgCheck(pwmp != NULL, "pwmStop");
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chSysLock();
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chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
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"pwmStop(), #1",
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"invalid state");
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pwm_lld_stop(pwmp);
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pwmp->pd_state = PWM_STOP;
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chSysUnlock();
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}
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/**
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* @brief Enables a callback mode for the specified PWM channel.
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* @details The callback mode must be set before starting a PWM channel.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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* @param[in] channel PWM channel identifier
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* @param[in] edge output edge mode
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* @param[in] callback the callback function
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*/
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void pwmSetCallback(PWMDriver *pwmp, pwmchannel_t channel,
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pwmedge_t edge, pwmcallback_t callback) {
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chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
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"pwmSetCallback");
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chSysLock();
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chDbgAssert((pwmp->pd_state == PWM_READY) &&
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!pwm_lld_is_enabled(pwmp, channel),
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"pwmSetCallback(), #1", "invalid state");
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pwm_lld_set_callback(pwmp, channel, edge, callback);
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chSysUnlock();
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}
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/**
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* @brief Enables a PWM channel.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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* @param[in] channel PWM channel identifier
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* @param[in] width PWM pulse width as clock pulses number
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*/
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void pwmEnableChannel(PWMDriver *pwmp,
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pwmchannel_t channel,
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pwmcnt_t width) {
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chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
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"pwmEnableChannel");
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chSysLock();
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chDbgAssert(pwmp->pd_state == PWM_READY,
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"pwmEnableChannel(), #1", "invalid state");
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pwm_lld_enable_channel(pwmp, channel, width);
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chSysUnlock();
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}
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/**
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* @brief Disables a PWM channel.
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* @details The channel output line is returned to its idle state and disabled.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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* @param[in] channel PWM channel identifier
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*/
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void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
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chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
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"pwmEnableChannel");
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chSysLock();
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chDbgAssert(pwmp->pd_state == PWM_READY,
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"pwmDisableChannel(), #1", "invalid state");
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pwm_lld_disable_channel(pwmp, channel);
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chSysUnlock();
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}
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/** @} */
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@ -55,6 +55,13 @@
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#define CH_HAL_USE_MAC TRUE
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#endif
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/**
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* @brief Enables the PWM subsystem.
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*/
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#if !defined(CH_HAL_USE_PWM) || defined(__DOXYGEN__)
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#define CH_HAL_USE_PWM TRUE
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#endif
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/**
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* @brief Enables the SERIAL subsystem.
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*/
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* @{
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*/
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#include <ch.h>
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#include <xxx.h>
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#include "ch.h"
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#include "hal.h"
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/**
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* @brief XXX Driver initialization.
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* @{
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*/
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#include <ch.h>
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#include <xxx.h>
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#include "ch.h"
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#include "hal.h"
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/*===========================================================================*/
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/* Low Level Driver exported variables. */
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@ -0,0 +1,79 @@
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file templates/pwm_lld.c
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* @brief PWM Driver subsystem low level driver source template
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* @addtogroup PWM_LLD
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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/*===========================================================================*/
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/* Low Level Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Low Level Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Low Level Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Low Level Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Low Level Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief Low level PWM driver initialization.
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*/
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void pwm_lld_init(void) {
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}
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/**
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* @brief Configures and activates the PWM peripheral.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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*/
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void pwm_lld_start(PWMDriver *pwmp) {
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if (pwmp->pwm_state == PWM_STOP) {
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/* Clock activation.*/
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}
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/* Configuration.*/
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}
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/**
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* @brief Deactivates the PWM peripheral.
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*
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* @param[in] pwmp pointer to the @p PWMDriver object
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*/
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void pwm_lld_stop(PWMDriver *pwmp) {
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}
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/** @} */
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@ -0,0 +1,105 @@
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file templates/pwm_lld.h
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* @brief PWM Driver subsystem low level driver header template
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* @addtogroup PWM_LLD
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* @{
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*/
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#ifndef _PWM_LLD_H_
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#define _PWM_LLD_H_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @brief Number of PWM channels per PWM driver.
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*/
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#if !defined(PWM_CHANNELS) || defined(__DOXYGEN__)
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#define PWM_CHANNELS 1
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief PWM channel type.
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*/
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typedef uint8_t pwmchannel_t;
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/**
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* @brief PWM counter type.
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*/
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typedef uint16_t pwmcnt_t;
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/**
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* @brief Driver configuration structure.
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* @note It could be empty on some architectures.
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*/
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typedef struct {
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} PWMConfig;
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/**
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* @brief Structure representing an PWM driver.
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*/
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typedef struct {
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/**
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* @brief Driver state.
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*/
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pwmstate_t pd_state;
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/**
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* @brief Current configuration data.
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*/
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const PWMConfig *pd_config;
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/* End of the mandatory fields.*/
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} PWMDriver;
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void pwm_lld_init(void);
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void pwm_lld_start(PWMDriver *pwmp);
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void pwm_lld_stop(PWMDriver *pwmp);
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bool_t pwm_lld_is_enabled(PWMDriver *pwmp, pwmchannel_t channel);
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void pwm_lld_set_callback(PWMDriver *pwmp, pwmchannel_t channel,
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pwmedge_t edge, pwmcallback_t callback);
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void pwm_lld_enable_channel(PWMDriver *pwmp,
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pwmchannel_t channel,
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pwmcnt_t width);
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void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PWM_LLD_H_ */
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/** @} */
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