diff options
Diffstat (limited to 'os/hal/src/pwm.c')
| -rw-r--r-- | os/hal/src/pwm.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c deleted file mode 100644 index c6843a928..000000000 --- a/os/hal/src/pwm.c +++ /dev/null @@ -1,207 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013 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"
-
-#if HAL_USE_PWM || 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;
-#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) {
-
- chDbgCheck((pwmp != NULL) && (config != NULL), "pwmStart");
-
- chSysLock();
- chDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
- "pwmStart(), #1", "invalid state");
- pwmp->config = config;
- pwmp->period = config->period;
- pwm_lld_start(pwmp);
- pwmp->state = PWM_READY;
- chSysUnlock();
-}
-
-/**
- * @brief Deactivates the PWM peripheral.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @api
- */
-void pwmStop(PWMDriver *pwmp) {
-
- chDbgCheck(pwmp != NULL, "pwmStop");
-
- chSysLock();
- chDbgAssert((pwmp->state == PWM_STOP) || (pwmp->state == PWM_READY),
- "pwmStop(), #1", "invalid state");
- pwm_lld_stop(pwmp);
- pwmp->state = PWM_STOP;
- chSysUnlock();
-}
-
-/**
- * @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) {
-
- chDbgCheck(pwmp != NULL, "pwmChangePeriod");
-
- chSysLock();
- chDbgAssert(pwmp->state == PWM_READY,
- "pwmChangePeriod(), #1", "invalid state");
- pwmChangePeriodI(pwmp, period);
- chSysUnlock();
-}
-
-/**
- * @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...PWM_CHANNELS-1)
- * @param[in] width PWM pulse width as clock pulses number
- *
- * @api
- */
-void pwmEnableChannel(PWMDriver *pwmp,
- pwmchannel_t channel,
- pwmcnt_t width) {
-
- chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
- "pwmEnableChannel");
-
- chSysLock();
- chDbgAssert(pwmp->state == PWM_READY,
- "pwmEnableChannel(), #1", "not ready");
- pwm_lld_enable_channel(pwmp, channel, width);
- chSysUnlock();
-}
-
-/**
- * @brief Disables a PWM channel.
- * @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...PWM_CHANNELS-1)
- *
- * @api
- */
-void pwmDisableChannel(PWMDriver *pwmp, pwmchannel_t channel) {
-
- chDbgCheck((pwmp != NULL) && (channel < PWM_CHANNELS),
- "pwmEnableChannel");
-
- chSysLock();
- chDbgAssert(pwmp->state == PWM_READY,
- "pwmDisableChannel(), #1", "not ready");
- pwm_lld_disable_channel(pwmp, channel);
- chSysUnlock();
-}
-
-#endif /* HAL_USE_PWM */
-
-/** @} */
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