diff options
Diffstat (limited to 'os/hal/src/pwm.c')
-rw-r--r-- | os/hal/src/pwm.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c deleted file mode 100644 index f74bf534c..000000000 --- a/os/hal/src/pwm.c +++ /dev/null @@ -1,309 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file pwm.c
- * @brief PWM Driver code.
- *
- * @addtogroup PWM
- * @{
- */
-
-#include "hal.h"
-
-#if (HAL_USE_PWM == TRUE) || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief PWM Driver initialization.
- * @note This function is implicitly invoked by @p halInit(), there is
- * no need to explicitly initialize the driver.
- *
- * @init
- */
-void pwmInit(void) {
-
- pwm_lld_init();
-}
-
-/**
- * @brief Initializes the standard part of a @p PWMDriver structure.
- *
- * @param[out] pwmp pointer to a @p PWMDriver object
- *
- * @init
- */
-void pwmObjectInit(PWMDriver *pwmp) {
-
- pwmp->state = PWM_STOP;
- pwmp->config = NULL;
- pwmp->enabled = 0;
- pwmp->channels = 0;
-#if defined(PWM_DRIVER_EXT_INIT_HOOK)
- PWM_DRIVER_EXT_INIT_HOOK(pwmp);
-#endif
-}
-
-/**
- * @brief Configures and activates the PWM peripheral.
- * @note Starting a driver that is already in the @p PWM_READY state
- * disables all the active channels.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] config pointer to a @p PWMConfig object
- *
- * @api
- */
-void pwmStart(PWMDriver *pwmp, const PWMConfig *config) {
-
- osalDbgCheck((pwmp != NULL) && (config != NULL));
-
- osalSysLock();
- osalDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
- "invalid state");
- pwmp->config = config;
- pwmp->period = config->period;
- pwm_lld_start(pwmp);
- pwmp->enabled = 0;
- pwmp->state = PWM_READY;
- osalSysUnlock();
-}
-
-/**
- * @brief Deactivates the PWM peripheral.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @api
- */
-void pwmStop(PWMDriver *pwmp) {
-
- osalDbgCheck(pwmp != NULL);
-
- osalSysLock();
- osalDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
- "invalid state");
- pwm_lld_stop(pwmp);
- pwmp->enabled = 0;
- pwmp->state = PWM_STOP;
- osalSysUnlock();
-}
-
-/**
- * @brief Changes the period the PWM peripheral.
- * @details This function changes the period of a PWM unit that has already
- * been activated using @p pwmStart().
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @post The PWM unit period is changed to the new value.
- * @note If a period is specified that is shorter than the pulse width
- * programmed in one of the channels then the behavior is not
- * guaranteed.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] period new cycle time in ticks
- *
- * @api
- */
-void pwmChangePeriod(PWMDriver *pwmp, pwmcnt_t period) {
-
- osalDbgCheck(pwmp != NULL);
-
- osalSysLock();
- osalDbgAssert(pwmp->state == PWM_READY, "invalid state");
- pwmChangePeriodI(pwmp, period);
- osalSysUnlock();
-}
-
-/**
- * @brief Enables a PWM channel.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @post The channel is active using the specified configuration.
- * @note Depending on the hardware implementation this function has
- * effect starting on the next cycle (recommended implementation)
- * or immediately (fallback implementation).
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...channels-1)
- * @param[in] width PWM pulse width as clock pulses number
- *
- * @api
- */
-void pwmEnableChannel(PWMDriver *pwmp,
- pwmchannel_t channel,
- pwmcnt_t width) {
-
- osalDbgCheck((pwmp != NULL) && (channel < pwmp->channels));
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
-
- pwmEnableChannelI(pwmp, channel, width);
-
- osalSysUnlock();
-}
-
-/**
- * @brief Disables a PWM channel and its notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @post The channel is disabled and its output line returned to the
- * idle state.
- * @note Depending on the hardware implementation this function has
- * effect starting on the next cycle (recommended implementation)
- * or immediately (fallback implementation).
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...channels-1)
- *
- * @api
- */
-void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
-
- osalDbgCheck((pwmp != NULL) && (channel < pwmp->channels));
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
-
- pwmDisableChannelI(pwmp, channel);
-
- osalSysUnlock();
-}
-
-/**
- * @brief Enables the periodic activation edge notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @note If the notification is already enabled then the call has no effect.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @api
- */
-void pwmEnablePeriodicNotification(PWMDriver *pwmp) {
-
- osalDbgCheck(pwmp != NULL);
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
- osalDbgAssert(pwmp->config->callback != NULL, "undefined periodic callback");
-
- pwmEnablePeriodicNotificationI(pwmp);
-
- osalSysUnlock();
-}
-
-/**
- * @brief Disables the periodic activation edge notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @note If the notification is already disabled then the call has no effect.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @api
- */
-void pwmDisablePeriodicNotification(PWMDriver *pwmp) {
-
- osalDbgCheck(pwmp != NULL);
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
- osalDbgAssert(pwmp->config->callback != NULL, "undefined periodic callback");
-
- pwmDisablePeriodicNotificationI(pwmp);
-
- osalSysUnlock();
-}
-
-/**
- * @brief Enables a channel de-activation edge notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @pre The channel must have been activated using @p pwmEnableChannel().
- * @note If the notification is already enabled then the call has no effect.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...channels-1)
- *
- * @api
- */
-void pwmEnableChannelNotification(PWMDriver *pwmp, pwmchannel_t channel) {
-
- osalDbgCheck((pwmp != NULL) && (channel < pwmp->channels));
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
- osalDbgAssert((pwmp->enabled & ((pwmchnmsk_t)1U << (pwmchnmsk_t)channel)) != 0U,
- "channel not enabled");
- osalDbgAssert(pwmp->config->channels[channel].callback != NULL,
- "undefined channel callback");
-
- pwmEnableChannelNotificationI(pwmp, channel);
-
- osalSysUnlock();
-}
-
-/**
- * @brief Disables a channel de-activation edge notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @pre The channel must have been activated using @p pwmEnableChannel().
- * @note If the notification is already disabled then the call has no effect.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...channels-1)
- *
- * @api
- */
-void pwmDisableChannelNotification(PWMDriver *pwmp, pwmchannel_t channel) {
-
- osalDbgCheck((pwmp != NULL) && (channel < pwmp->channels));
-
- osalSysLock();
-
- osalDbgAssert(pwmp->state == PWM_READY, "not ready");
- osalDbgAssert((pwmp->enabled & ((pwmchnmsk_t)1U << (pwmchnmsk_t)channel)) != 0U,
- "channel not enabled");
- osalDbgAssert(pwmp->config->channels[channel].callback != NULL,
- "undefined channel callback");
-
- pwmDisableChannelNotificationI(pwmp, channel);
-
- osalSysUnlock();
-}
-
-#endif /* HAL_USE_PWM == TRUE */
-
-/** @} */
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