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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1381 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2009-12-07 16:13:01 +00:00
parent f1aa994420
commit 0b8fd860fa
9 changed files with 440 additions and 4 deletions
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4
os/hal/include/can.h
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@ -29,6 +29,10 @@
#if CH_HAL_USE_CAN || defined(__DOXYGEN__) #if CH_HAL_USE_CAN || defined(__DOXYGEN__)
#if !CH_USE_SEMAPHORES
#error "CAN driver requires CH_USE_SEMAPHORES"
#endif
/** /**
* @brief Errors rate warning. * @brief Errors rate warning.
*/ */

4
os/hal/include/mmc_spi.h
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@ -29,6 +29,10 @@
#if CH_HAL_USE_MMC_SPI || defined(__DOXYGEN__) #if CH_HAL_USE_MMC_SPI || defined(__DOXYGEN__)
#if !CH_USE_EVENTS
#error "MMC_SPI driver requires CH_USE_EVENTS"
#endif
/*===========================================================================*/ /*===========================================================================*/
/* Driver pre-compile time settings. */ /* Driver pre-compile time settings. */
/*===========================================================================*/ /*===========================================================================*/

87
os/hal/include/pwm.h Normal file
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@ -0,0 +1,87 @@
/*
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_
/**
* @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 edge for callbacks.
*/
typedef enum {
PWM_NONE = 0, /**< @brief No callback. */
PWM_TO_ACTIVE_EDGE = 1, /**< @brief Enable on idle->active. */
PWM_TO_IDLE_EDGE = 2, /**< @brief Enable on active->idle. */
PWM_BOTH_EDGES = 3 /**< @brief Enable on both edges. */
} pwmedge_t;
/**
* @brief PWM logic mode.
*/
typedef enum {
PWM_ACTIVE_LOW = 0, /**< @brief Idle is logic level 1. */
PWM_ACTIVE_HIGH = 1 /**< @brief Idle is logic level 0. */
} pwmmode_t;
/**
* @brief PWM notification callback type.
*
* @param[in] active current channel output state
*/
typedef void (*pwmcallback_t)(bool_t active);
#include "pwm_lld.h"
#ifdef __cplusplus
extern "C" {
#endif
void pwmInit(void);
void pwmObjectInit(PWMDriver *pwmp);
void pwmStart(PWMDriver *pwmp, const PWMConfig *config);
void pwmStop(PWMDriver *pwmp);
void pwmSetCallback(PWMDriver *pwmp,
pwmchannel_t channel,
pwmedge_t edge,
pwmcallback_t callback);
void pwmEnableChannel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width);
void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel);
#ifdef __cplusplus
}
#endif
#endif /* _PWM_H_ */
/** @} */

150
os/hal/src/pwm.c Normal file
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@ -0,0 +1,150 @@
/*
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.c
* @brief PWM Driver code.
* @addtogroup PWM
* @{
*/
#include "ch.h"
#include "hal.h"
/**
* @brief PWM Driver initialization.
*/
void pwmInit(void) {
pwm_lld_init();
}
/**
* @brief Initializes the standard part of a @p PWMDriver structure.
*
* @param[in] pwmp pointer to the @p PWMDriver object
*/
void pwmObjectInit(PWMDriver *pwmp) {
pwmp->pd_state = PWM_STOP;
pwmp->pwm_config = NULL;
}
/**
* @brief Configures and activates the PWM peripheral.
*
* @param[in] pwmp pointer to the @p PWMDriver object
* @param[in] config pointer to the @p PWMConfig object
*/
void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
chDbgCheck((pwmp != NULL) && (config != NULL), "pwmStart");
chSysLock();
chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
"pwmStart(), #1",
"invalid state");
pwmp->pd_config = config;
pwm_lld_start(pwmp);
pwmp->pd_state = PWM_READY;
chSysUnlock();
}
/**
* @brief Deactivates the PWM peripheral.
*
* @param[in] pwmp pointer to the @p PWMDriver object
*/
void pwmStop(PWMDriver *pwmp) {
chDbgCheck(pwmp != NULL, "pwmStop");
chSysLock();
chDbgAssert((pwmp->pd_state == PWM_STOP) || (pwmp->pd_state == PWM_READY),
"pwmStop(), #1",
"invalid state");
pwm_lld_stop(pwmp);
pwmp->pd_state = PWM_STOP;
chSysUnlock();
}
/**
* @brief Enables a callback mode for the specified PWM channel.
* @details The callback mode must be set before starting a PWM channel.
*
* @param[in] pwmp pointer to the @p PWMDriver object
* @param[in] channel PWM channel identifier
* @param[in] edge output edge mode
* @param[in] callback the callback function
*/
void pwmSetCallback(PWMDriver *pwmp, pwmchannel_t channel,
pwmedge_t edge, pwmcallback_t callback) {
chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
"pwmSetCallback");
chSysLock();
chDbgAssert((pwmp->pd_state == PWM_READY) &&
!pwm_lld_is_enabled(pwmp, channel),
"pwmSetCallback(), #1", "invalid state");
pwm_lld_set_callback(pwmp, channel, edge, callback);
chSysUnlock();
}
/**
* @brief Enables a PWM channel.
*
* @param[in] pwmp pointer to the @p PWMDriver object
* @param[in] channel PWM channel identifier
* @param[in] width PWM pulse width as clock pulses number
*/
void pwmEnableChannel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width) {
chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
"pwmEnableChannel");
chSysLock();
chDbgAssert(pwmp->pd_state == PWM_READY,
"pwmEnableChannel(), #1", "invalid state");
pwm_lld_enable_channel(pwmp, channel, width);
chSysUnlock();
}
/**
* @brief Disables a PWM channel.
* @details The channel output line is returned to its idle state and disabled.
*
* @param[in] pwmp pointer to the @p PWMDriver object
* @param[in] channel PWM channel identifier
*/
void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
"pwmEnableChannel");
chSysLock();
chDbgAssert(pwmp->pd_state == PWM_READY,
"pwmDisableChannel(), #1", "invalid state");
pwm_lld_disable_channel(pwmp, channel);
chSysUnlock();
}
/** @} */

7
os/hal/templates/halconf.h
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@ -55,6 +55,13 @@
#define CH_HAL_USE_MAC TRUE #define CH_HAL_USE_MAC TRUE
#endif #endif
/**
* @brief Enables the PWM subsystem.
*/
#if !defined(CH_HAL_USE_PWM) || defined(__DOXYGEN__)
#define CH_HAL_USE_PWM TRUE
#endif
/** /**
* @brief Enables the SERIAL subsystem. * @brief Enables the SERIAL subsystem.
*/ */

4
os/hal/templates/meta/driver.c
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@ -24,8 +24,8 @@
* @{ * @{
*/ */
#include <ch.h> #include "ch.h"
#include <xxx.h> #include "hal.h"
/** /**
* @brief XXX Driver initialization. * @brief XXX Driver initialization.

4
os/hal/templates/meta/driver_lld.c
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@ -24,8 +24,8 @@
* @{ * @{
*/ */
#include <ch.h> #include "ch.h"
#include <xxx.h> #include "hal.h"
/*===========================================================================*/ /*===========================================================================*/
/* Low Level Driver exported variables. */ /* Low Level Driver exported variables. */

79
os/hal/templates/pwm_lld.c Normal file
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@ -0,0 +1,79 @@
/*
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 templates/pwm_lld.c
* @brief PWM Driver subsystem low level driver source template
* @addtogroup PWM_LLD
* @{
*/
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Low Level Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level PWM driver initialization.
*/
void pwm_lld_init(void) {
}
/**
* @brief Configures and activates the PWM peripheral.
*
* @param[in] pwmp pointer to the @p PWMDriver object
*/
void pwm_lld_start(PWMDriver *pwmp) {
if (pwmp->pwm_state == PWM_STOP) {
/* Clock activation.*/
}
/* Configuration.*/
}
/**
* @brief Deactivates the PWM peripheral.
*
* @param[in] pwmp pointer to the @p PWMDriver object
*/
void pwm_lld_stop(PWMDriver *pwmp) {
}
/** @} */

105
os/hal/templates/pwm_lld.h Normal file
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@ -0,0 +1,105 @@
/*
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 templates/pwm_lld.h
* @brief PWM Driver subsystem low level driver header template
* @addtogroup PWM_LLD
* @{
*/
#ifndef _PWM_LLD_H_
#define _PWM_LLD_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Number of PWM channels per PWM driver.
*/
#if !defined(PWM_CHANNELS) || defined(__DOXYGEN__)
#define PWM_CHANNELS 1
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief PWM channel type.
*/
typedef uint8_t pwmchannel_t;
/**
* @brief PWM counter type.
*/
typedef uint16_t pwmcnt_t;
/**
* @brief Driver configuration structure.
* @note It could be empty on some architectures.
*/
typedef struct {
} PWMConfig;
/**
* @brief Structure representing an PWM driver.
*/
typedef struct {
/**
* @brief Driver state.
*/
pwmstate_t pd_state;
/**
* @brief Current configuration data.
*/
const PWMConfig *pd_config;
/* End of the mandatory fields.*/
} PWMDriver;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void pwm_lld_init(void);
void pwm_lld_start(PWMDriver *pwmp);
void pwm_lld_stop(PWMDriver *pwmp);
bool_t pwm_lld_is_enabled(PWMDriver *pwmp, pwmchannel_t channel);
void pwm_lld_set_callback(PWMDriver *pwmp, pwmchannel_t channel,
pwmedge_t edge, pwmcallback_t callback);
void pwm_lld_enable_channel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width);
void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel);
#ifdef __cplusplus
}
#endif
#endif /* _PWM_LLD_H_ */
/** @} */