diff options
Diffstat (limited to 'os/hal/platforms/STM32/pwm_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/pwm_lld.c | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c deleted file mode 100644 index 1e9e0adfb..000000000 --- a/os/hal/platforms/STM32/pwm_lld.c +++ /dev/null @@ -1,710 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/pwm_lld.c
- * @brief STM32 PWM subsystem low level driver header.
- *
- * @addtogroup PWM
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_PWM || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief PWMD1 driver identifier.
- * @note The driver PWMD1 allocates the complex timer TIM1 when enabled.
- */
-#if STM32_PWM_USE_TIM1 || defined(__DOXYGEN__)
-PWMDriver PWMD1;
-#endif
-
-/**
- * @brief PWMD2 driver identifier.
- * @note The driver PWMD2 allocates the timer TIM2 when enabled.
- */
-#if STM32_PWM_USE_TIM2 || defined(__DOXYGEN__)
-PWMDriver PWMD2;
-#endif
-
-/**
- * @brief PWMD3 driver identifier.
- * @note The driver PWMD3 allocates the timer TIM3 when enabled.
- */
-#if STM32_PWM_USE_TIM3 || defined(__DOXYGEN__)
-PWMDriver PWMD3;
-#endif
-
-/**
- * @brief PWMD4 driver identifier.
- * @note The driver PWMD4 allocates the timer TIM4 when enabled.
- */
-#if STM32_PWM_USE_TIM4 || defined(__DOXYGEN__)
-PWMDriver PWMD4;
-#endif
-
-/**
- * @brief PWMD5 driver identifier.
- * @note The driver PWMD5 allocates the timer TIM5 when enabled.
- */
-#if STM32_PWM_USE_TIM5 || defined(__DOXYGEN__)
-PWMDriver PWMD5;
-#endif
-
-/**
- * @brief PWMD8 driver identifier.
- * @note The driver PWMD8 allocates the timer TIM8 when enabled.
- */
-#if STM32_PWM_USE_TIM8 || defined(__DOXYGEN__)
-PWMDriver PWMD8;
-#endif
-
-/**
- * @brief PWMD9 driver identifier.
- * @note The driver PWMD9 allocates the timer TIM9 when enabled.
- */
-#if STM32_PWM_USE_TIM9 || defined(__DOXYGEN__)
-PWMDriver PWMD9;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-#if STM32_PWM_USE_TIM2 || STM32_PWM_USE_TIM3 || STM32_PWM_USE_TIM4 || \
- STM32_PWM_USE_TIM5 || STM32_PWM_USE_TIM8 || STM32_PWM_USE_TIM9 || \
- defined(__DOXYGEN__)
-/**
- * @brief Common TIM2...TIM5 IRQ handler.
- * @note It is assumed that the various sources are only activated if the
- * associated callback pointer is not equal to @p NULL in order to not
- * perform an extra check in a potentially critical interrupt handler.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- */
-static void pwm_lld_serve_interrupt(PWMDriver *pwmp) {
- uint16_t sr;
-
- sr = pwmp->tim->SR;
- sr &= pwmp->tim->DIER;
- pwmp->tim->SR = ~sr;
- if ((sr & TIM_SR_CC1IF) != 0)
- pwmp->config->channels[0].callback(pwmp);
- if ((sr & TIM_SR_CC2IF) != 0)
- pwmp->config->channels[1].callback(pwmp);
- if ((sr & TIM_SR_CC3IF) != 0)
- pwmp->config->channels[2].callback(pwmp);
- if ((sr & TIM_SR_CC4IF) != 0)
- pwmp->config->channels[3].callback(pwmp);
- if ((sr & TIM_SR_UIF) != 0)
- pwmp->config->callback(pwmp);
-}
-#endif /* STM32_PWM_USE_TIM2 || ... || STM32_PWM_USE_TIM5 */
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if STM32_PWM_USE_TIM1
-#if !defined(STM32_TIM1_UP_HANDLER)
-#error "STM32_TIM1_UP_HANDLER not defined"
-#endif
-/**
- * @brief TIM1 update interrupt handler.
- * @note It is assumed that this interrupt is only activated if the callback
- * pointer is not equal to @p NULL in order to not perform an extra
- * check in a potentially critical interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM1_UP_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- STM32_TIM1->SR = ~TIM_SR_UIF;
- PWMD1.config->callback(&PWMD1);
-
- CH_IRQ_EPILOGUE();
-}
-
-#if !defined(STM32_TIM1_CC_HANDLER)
-#error "STM32_TIM1_CC_HANDLER not defined"
-#endif
-/**
- * @brief TIM1 compare interrupt handler.
- * @note It is assumed that the various sources are only activated if the
- * associated callback pointer is not equal to @p NULL in order to not
- * perform an extra check in a potentially critical interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM1_CC_HANDLER) {
- uint16_t sr;
-
- CH_IRQ_PROLOGUE();
-
- sr = STM32_TIM1->SR & STM32_TIM1->DIER;
- STM32_TIM1->SR = ~(TIM_SR_CC1IF | TIM_SR_CC2IF |
- TIM_SR_CC3IF | TIM_SR_CC4IF);
- if ((sr & TIM_SR_CC1IF) != 0)
- PWMD1.config->channels[0].callback(&PWMD1);
- if ((sr & TIM_SR_CC2IF) != 0)
- PWMD1.config->channels[1].callback(&PWMD1);
- if ((sr & TIM_SR_CC3IF) != 0)
- PWMD1.config->channels[2].callback(&PWMD1);
- if ((sr & TIM_SR_CC4IF) != 0)
- PWMD1.config->channels[3].callback(&PWMD1);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM1 */
-
-#if STM32_PWM_USE_TIM2
-#if !defined(STM32_TIM2_HANDLER)
-#error "STM32_TIM2_HANDLER not defined"
-#endif
-/**
- * @brief TIM2 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM2_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- pwm_lld_serve_interrupt(&PWMD2);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM2 */
-
-#if STM32_PWM_USE_TIM3
-#if !defined(STM32_TIM3_HANDLER)
-#error "STM32_TIM3_HANDLER not defined"
-#endif
-/**
- * @brief TIM3 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM3_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- pwm_lld_serve_interrupt(&PWMD3);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM3 */
-
-#if STM32_PWM_USE_TIM4
-#if !defined(STM32_TIM4_HANDLER)
-#error "STM32_TIM4_HANDLER not defined"
-#endif
-/**
- * @brief TIM4 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM4_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- pwm_lld_serve_interrupt(&PWMD4);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM4 */
-
-#if STM32_PWM_USE_TIM5
-#if !defined(STM32_TIM5_HANDLER)
-#error "STM32_TIM5_HANDLER not defined"
-#endif
-/**
- * @brief TIM5 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM5_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- pwm_lld_serve_interrupt(&PWMD5);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM5 */
-
-#if STM32_PWM_USE_TIM8
-#if !defined(STM32_TIM8_UP_HANDLER)
-#error "STM32_TIM8_UP_HANDLER not defined"
-#endif
-/**
- * @brief TIM8 update interrupt handler.
- * @note It is assumed that this interrupt is only activated if the callback
- * pointer is not equal to @p NULL in order to not perform an extra
- * check in a potentially critical interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM8_UP_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- STM32_TIM8->SR = ~TIM_SR_UIF;
- PWMD8.config->callback(&PWMD8);
-
- CH_IRQ_EPILOGUE();
-}
-
-#if !defined(STM32_TIM8_CC_HANDLER)
-#error "STM32_TIM8_CC_HANDLER not defined"
-#endif
-/**
- * @brief TIM8 compare interrupt handler.
- * @note It is assumed that the various sources are only activated if the
- * associated callback pointer is not equal to @p NULL in order to not
- * perform an extra check in a potentially critical interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM8_CC_HANDLER) {
- uint16_t sr;
-
- CH_IRQ_PROLOGUE();
-
- sr = STM32_TIM8->SR & STM32_TIM8->DIER;
- STM32_TIM8->SR = ~(TIM_SR_CC1IF | TIM_SR_CC2IF |
- TIM_SR_CC3IF | TIM_SR_CC4IF);
- if ((sr & TIM_SR_CC1IF) != 0)
- PWMD8.config->channels[0].callback(&PWMD8);
- if ((sr & TIM_SR_CC2IF) != 0)
- PWMD8.config->channels[1].callback(&PWMD8);
- if ((sr & TIM_SR_CC3IF) != 0)
- PWMD8.config->channels[2].callback(&PWMD8);
- if ((sr & TIM_SR_CC4IF) != 0)
- PWMD8.config->channels[3].callback(&PWMD8);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM8 */
-
-#if STM32_PWM_USE_TIM9
-#if !defined(STM32_TIM9_HANDLER)
-#error "STM32_TIM9_HANDLER not defined"
-#endif
-/**
- * @brief TIM9 interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(STM32_TIM9_HANDLER) {
-
- CH_IRQ_PROLOGUE();
-
- pwm_lld_serve_interrupt(&PWMD9);
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* STM32_PWM_USE_TIM9 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level PWM driver initialization.
- *
- * @notapi
- */
-void pwm_lld_init(void) {
-
-#if STM32_PWM_USE_TIM1
- /* Driver initialization.*/
- pwmObjectInit(&PWMD1);
- PWMD1.tim = STM32_TIM1;
-#endif
-
-#if STM32_PWM_USE_TIM2
- /* Driver initialization.*/
- pwmObjectInit(&PWMD2);
- PWMD2.tim = STM32_TIM2;
-#endif
-
-#if STM32_PWM_USE_TIM3
- /* Driver initialization.*/
- pwmObjectInit(&PWMD3);
- PWMD3.tim = STM32_TIM3;
-#endif
-
-#if STM32_PWM_USE_TIM4
- /* Driver initialization.*/
- pwmObjectInit(&PWMD4);
- PWMD4.tim = STM32_TIM4;
-#endif
-
-#if STM32_PWM_USE_TIM5
- /* Driver initialization.*/
- pwmObjectInit(&PWMD5);
- PWMD5.tim = STM32_TIM5;
-#endif
-
-#if STM32_PWM_USE_TIM8
- /* Driver initialization.*/
- pwmObjectInit(&PWMD8);
- PWMD8.tim = STM32_TIM8;
-#endif
-
-#if STM32_PWM_USE_TIM9
- /* Driver initialization.*/
- pwmObjectInit(&PWMD9);
- PWMD9.tim = STM32_TIM9;
-#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
- *
- * @notapi
- */
-void pwm_lld_start(PWMDriver *pwmp) {
- uint32_t psc;
- uint16_t ccer;
-
- if (pwmp->state == PWM_STOP) {
- /* Clock activation and timer reset.*/
-#if STM32_PWM_USE_TIM1
- if (&PWMD1 == pwmp) {
- rccEnableTIM1(FALSE);
- rccResetTIM1();
- nvicEnableVector(STM32_TIM1_UP_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM1_IRQ_PRIORITY));
- nvicEnableVector(STM32_TIM1_CC_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM1_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK2;
- }
-#endif
-#if STM32_PWM_USE_TIM2
- if (&PWMD2 == pwmp) {
- rccEnableTIM2(FALSE);
- rccResetTIM2();
- nvicEnableVector(STM32_TIM2_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM2_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK1;
- }
-#endif
-#if STM32_PWM_USE_TIM3
- if (&PWMD3 == pwmp) {
- rccEnableTIM3(FALSE);
- rccResetTIM3();
- nvicEnableVector(STM32_TIM3_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM3_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK1;
- }
-#endif
-#if STM32_PWM_USE_TIM4
- if (&PWMD4 == pwmp) {
- rccEnableTIM4(FALSE);
- rccResetTIM4();
- nvicEnableVector(STM32_TIM4_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM4_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK1;
- }
-#endif
-
-#if STM32_PWM_USE_TIM5
- if (&PWMD5 == pwmp) {
- rccEnableTIM5(FALSE);
- rccResetTIM5();
- nvicEnableVector(STM32_TIM5_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM5_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK1;
- }
-#endif
-#if STM32_PWM_USE_TIM8
- if (&PWMD8 == pwmp) {
- rccEnableTIM8(FALSE);
- rccResetTIM8();
- nvicEnableVector(STM32_TIM8_UP_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM8_IRQ_PRIORITY));
- nvicEnableVector(STM32_TIM8_CC_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM8_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK2;
- }
-#endif
-#if STM32_PWM_USE_TIM9
- if (&PWMD9 == pwmp) {
- rccEnableTIM9(FALSE);
- rccResetTIM9();
- nvicEnableVector(STM32_TIM9_NUMBER,
- CORTEX_PRIORITY_MASK(STM32_PWM_TIM9_IRQ_PRIORITY));
- pwmp->clock = STM32_TIMCLK1;
- }
-#endif
-
- /* All channels configured in PWM1 mode with preload enabled and will
- stay that way until the driver is stopped.*/
- pwmp->tim->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 |
- TIM_CCMR1_OC1PE |
- TIM_CCMR1_OC2M_1 | TIM_CCMR1_OC2M_2 |
- TIM_CCMR1_OC2PE;
- pwmp->tim->CCMR2 = TIM_CCMR2_OC3M_1 | TIM_CCMR2_OC3M_2 |
- TIM_CCMR2_OC3PE |
- TIM_CCMR2_OC4M_1 | TIM_CCMR2_OC4M_2 |
- TIM_CCMR2_OC4PE;
- }
- else {
- /* Driver re-configuration scenario, it must be stopped first.*/
- pwmp->tim->CR1 = 0; /* Timer disabled. */
- pwmp->tim->DIER = 0; /* All IRQs disabled. */
- pwmp->tim->SR = 0; /* Clear eventual pending IRQs. */
- pwmp->tim->CCR[0] = 0; /* Comparator 1 disabled. */
- pwmp->tim->CCR[1] = 0; /* Comparator 2 disabled. */
- pwmp->tim->CCR[2] = 0; /* Comparator 3 disabled. */
- pwmp->tim->CCR[3] = 0; /* Comparator 4 disabled. */
- pwmp->tim->CNT = 0; /* Counter reset to zero. */
- }
-
- /* Timer configuration.*/
- psc = (pwmp->clock / pwmp->config->frequency) - 1;
- chDbgAssert((psc <= 0xFFFF) &&
- ((psc + 1) * pwmp->config->frequency) == pwmp->clock,
- "pwm_lld_start(), #1", "invalid frequency");
- pwmp->tim->PSC = (uint16_t)psc;
- pwmp->tim->ARR = (uint16_t)(pwmp->period - 1);
- pwmp->tim->CR2 = pwmp->config->cr2;
-
- /* Output enables and polarities setup.*/
- ccer = 0;
- switch (pwmp->config->channels[0].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC1P;
- case PWM_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC1E;
- default:
- ;
- }
- switch (pwmp->config->channels[1].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC2P;
- case PWM_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC2E;
- default:
- ;
- }
- switch (pwmp->config->channels[2].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC3P;
- case PWM_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC3E;
- default:
- ;
- }
- switch (pwmp->config->channels[3].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC4P;
- case PWM_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC4E;
- default:
- ;
- }
-#if STM32_PWM_USE_ADVANCED
-#if STM32_PWM_USE_TIM1 && !STM32_PWM_USE_TIM8
- if (&PWMD1 == pwmp) {
-#endif
-#if !STM32_PWM_USE_TIM1 && STM32_PWM_USE_TIM8
- if (&PWMD8 == pwmp) {
-#endif
-#if STM32_PWM_USE_TIM1 && STM32_PWM_USE_TIM8
- if ((&PWMD1 == pwmp) || (&PWMD8 == pwmp)) {
-#endif
- switch (pwmp->config->channels[0].mode & PWM_COMPLEMENTARY_OUTPUT_MASK) {
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC1NP;
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC1NE;
- default:
- ;
- }
- switch (pwmp->config->channels[1].mode & PWM_COMPLEMENTARY_OUTPUT_MASK) {
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC2NP;
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC2NE;
- default:
- ;
- }
- switch (pwmp->config->channels[2].mode & PWM_COMPLEMENTARY_OUTPUT_MASK) {
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_LOW:
- ccer |= TIM_CCER_CC3NP;
- case PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH:
- ccer |= TIM_CCER_CC3NE;
- default:
- ;
- }
- }
-#endif /* STM32_PWM_USE_ADVANCED*/
-
- pwmp->tim->CCER = ccer;
- pwmp->tim->EGR = TIM_EGR_UG; /* Update event. */
- pwmp->tim->DIER = pwmp->config->callback == NULL ? 0 : TIM_DIER_UIE;
- pwmp->tim->SR = 0; /* Clear pending IRQs. */
-#if STM32_PWM_USE_TIM1 || STM32_PWM_USE_TIM8
-#if STM32_PWM_USE_ADVANCED
- pwmp->tim->BDTR = pwmp->config->bdtr | TIM_BDTR_MOE;
-#else
- pwmp->tim->BDTR = TIM_BDTR_MOE;
-#endif
-#endif
- /* Timer configured and started.*/
- pwmp->tim->CR1 = TIM_CR1_ARPE | TIM_CR1_URS | TIM_CR1_CEN;
-}
-
-/**
- * @brief Deactivates the PWM peripheral.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @notapi
- */
-void pwm_lld_stop(PWMDriver *pwmp) {
-
- /* If in ready state then disables the PWM clock.*/
- if (pwmp->state == PWM_READY) {
- pwmp->tim->CR1 = 0; /* Timer disabled. */
- pwmp->tim->DIER = 0; /* All IRQs disabled. */
- pwmp->tim->SR = 0; /* Clear eventual pending IRQs. */
-#if STM32_PWM_USE_TIM1 || STM32_PWM_USE_TIM8
- pwmp->tim->BDTR = 0;
-#endif
-
-#if STM32_PWM_USE_TIM1
- if (&PWMD1 == pwmp) {
- nvicDisableVector(STM32_TIM1_UP_NUMBER);
- nvicDisableVector(STM32_TIM1_CC_NUMBER);
- rccDisableTIM1(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM2
- if (&PWMD2 == pwmp) {
- nvicDisableVector(STM32_TIM2_NUMBER);
- rccDisableTIM2(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM3
- if (&PWMD3 == pwmp) {
- nvicDisableVector(STM32_TIM3_NUMBER);
- rccDisableTIM3(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM4
- if (&PWMD4 == pwmp) {
- nvicDisableVector(STM32_TIM4_NUMBER);
- rccDisableTIM4(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM5
- if (&PWMD5 == pwmp) {
- nvicDisableVector(STM32_TIM5_NUMBER);
- rccDisableTIM5(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM8
- if (&PWMD8 == pwmp) {
- nvicDisableVector(STM32_TIM8_UP_NUMBER);
- nvicDisableVector(STM32_TIM8_CC_NUMBER);
- rccDisableTIM8(FALSE);
- }
-#endif
-#if STM32_PWM_USE_TIM9
- if (&PWMD9 == pwmp) {
- nvicDisableVector(STM32_TIM9_NUMBER);
- rccDisableTIM9(FALSE);
- }
-#endif
- }
-}
-
-/**
- * @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 The function has effect at the next cycle start.
- *
- * @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
- *
- * @notapi
- */
-void pwm_lld_enable_channel(PWMDriver *pwmp,
- pwmchannel_t channel,
- pwmcnt_t width) {
-
- pwmp->tim->CCR[channel] = width; /* New duty cycle. */
- /* If there is a callback defined for the channel then the associated
- interrupt must be enabled.*/
- if (pwmp->config->channels[channel].callback != NULL) {
- uint32_t dier = pwmp->tim->DIER;
- /* If the IRQ is not already enabled care must be taken to clear it,
- it is probably already pending because the timer is running.*/
- if ((dier & (2 << channel)) == 0) {
- pwmp->tim->DIER = dier | (2 << channel);
- pwmp->tim->SR = ~(2 << channel);
- }
- }
-}
-
-/**
- * @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 The function has effect at the next cycle start.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...PWM_CHANNELS-1)
- *
- * @notapi
- */
-void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
-
- pwmp->tim->CCR[channel] = 0;
- pwmp->tim->DIER &= ~(2 << channel);
-}
-
-#endif /* HAL_USE_PWM */
-
-/** @} */
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