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stm32f1xx_hal_tim.c
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/**
******************************************************************************
* @file stm32f1xx_hal_tim.c
* @author MCD Application Team
* @brief TIM HAL module driver
* This file provides firmware functions to manage the following
* functionalities of the Timer (TIM) peripheral:
* + Time Base Initialization
* + Time Base Start
* + Time Base Start Interruption
* + Time Base Start DMA
* + Time Output Compare/PWM Initialization
* + Time Output Compare/PWM Channel Configuration
* + Time Output Compare/PWM Start
* + Time Output Compare/PWM Start Interruption
* + Time Output Compare/PWM Start DMA
* + Time Input Capture Initialization
* + Time Input Capture Channel Configuration
* + Time Input Capture Start
* + Time Input Capture Start Interruption
* + Time Input Capture Start DMA
* + Time One Pulse Initialization
* + Time One Pulse Channel Configuration
* + Time One Pulse Start
* + Time Encoder Interface Initialization
* + Time Encoder Interface Start
* + Time Encoder Interface Start Interruption
* + Time Encoder Interface Start DMA
* + Commutation Event configuration with Interruption and DMA
* + Time OCRef clear configuration
* + Time External Clock configuration
@verbatim
==============================================================================
##### TIMER Generic features #####
==============================================================================
[..] The Timer features include:
(#) 16-bit up, down, up/down auto-reload counter.
(#) 16-bit programmable prescaler allowing dividing (also on the fly) the
counter clock frequency either by any factor between 1 and 65536.
(#) Up to 4 independent channels for:
(++) Input Capture
(++) Output Compare
(++) PWM generation (Edge and Center-aligned Mode)
(++) One-pulse mode output
##### How to use this driver #####
==============================================================================
[..]
(#) Initialize the TIM low level resources by implementing the following functions
depending from feature used :
(++) Time Base : HAL_TIM_Base_MspInit()
(++) Input Capture : HAL_TIM_IC_MspInit()
(++) Output Compare : HAL_TIM_OC_MspInit()
(++) PWM generation : HAL_TIM_PWM_MspInit()
(++) One-pulse mode output : HAL_TIM_OnePulse_MspInit()
(++) Encoder mode output : HAL_TIM_Encoder_MspInit()
(#) Initialize the TIM low level resources :
(##) Enable the TIM interface clock using __HAL_RCC_TIMx_CLK_ENABLE();
(##) TIM pins configuration
(+++) Enable the clock for the TIM GPIOs using the following function:
__HAL_RCC_GPIOx_CLK_ENABLE();
(+++) Configure these TIM pins in Alternate function mode using HAL_GPIO_Init();
(#) The external Clock can be configured, if needed (the default clock is the
internal clock from the APBx), using the following function:
HAL_TIM_ConfigClockSource, the clock configuration should be done before
any start function.
(#) Configure the TIM in the desired functioning mode using one of the
Initialization function of this driver:
(++) HAL_TIM_Base_Init: to use the Timer to generate a simple time base
(++) HAL_TIM_OC_Init and HAL_TIM_OC_ConfigChannel: to use the Timer to generate an
Output Compare signal.
(++) HAL_TIM_PWM_Init and HAL_TIM_PWM_ConfigChannel: to use the Timer to generate a
PWM signal.
(++) HAL_TIM_IC_Init and HAL_TIM_IC_ConfigChannel: to use the Timer to measure an
external signal.
(++) HAL_TIM_OnePulse_Init and HAL_TIM_OnePulse_ConfigChannel: to use the Timer
in One Pulse Mode.
(++) HAL_TIM_Encoder_Init: to use the Timer Encoder Interface.
(#) Activate the TIM peripheral using one of the start functions depending from the feature used:
(++) Time Base : HAL_TIM_Base_Start(), HAL_TIM_Base_Start_DMA(), HAL_TIM_Base_Start_IT()
(++) Input Capture : HAL_TIM_IC_Start(), HAL_TIM_IC_Start_DMA(), HAL_TIM_IC_Start_IT()
(++) Output Compare : HAL_TIM_OC_Start(), HAL_TIM_OC_Start_DMA(), HAL_TIM_OC_Start_IT()
(++) PWM generation : HAL_TIM_PWM_Start(), HAL_TIM_PWM_Start_DMA(), HAL_TIM_PWM_Start_IT()
(++) One-pulse mode output : HAL_TIM_OnePulse_Start(), HAL_TIM_OnePulse_Start_IT()
(++) Encoder mode output : HAL_TIM_Encoder_Start(), HAL_TIM_Encoder_Start_DMA(), HAL_TIM_Encoder_Start_IT().
(#) The DMA Burst is managed with the two following functions:
HAL_TIM_DMABurst_WriteStart()
HAL_TIM_DMABurst_ReadStart()
@endverbatim
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
/** @addtogroup STM32F1xx_HAL_Driver
* @{
*/
/** @defgroup TIM TIM
* @brief TIM HAL module driver
* @{
*/
#ifdef HAL_TIM_MODULE_ENABLED
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/** @defgroup TIM_Private_Functions TIM Private Functions
* @{
*/
static void TIM_OC1_SetConfig(TIM_TypeDef *TIMx, TIM_OC_InitTypeDef *OC_Config);
static void TIM_OC3_SetConfig(TIM_TypeDef *TIMx, TIM_OC_InitTypeDef *OC_Config);
static void TIM_OC4_SetConfig(TIM_TypeDef *TIMx, TIM_OC_InitTypeDef *OC_Config);
static void TIM_TI1_ConfigInputStage(TIM_TypeDef *TIMx, uint32_t TIM_ICPolarity, uint32_t TIM_ICFilter);
static void TIM_TI2_SetConfig(TIM_TypeDef *TIMx, uint32_t TIM_ICPolarity, uint32_t TIM_ICSelection,
uint32_t TIM_ICFilter);
static void TIM_TI2_ConfigInputStage(TIM_TypeDef *TIMx, uint32_t TIM_ICPolarity, uint32_t TIM_ICFilter);
static void TIM_TI3_SetConfig(TIM_TypeDef *TIMx, uint32_t TIM_ICPolarity, uint32_t TIM_ICSelection,
uint32_t TIM_ICFilter);
static void TIM_TI4_SetConfig(TIM_TypeDef *TIMx, uint32_t TIM_ICPolarity, uint32_t TIM_ICSelection,
uint32_t TIM_ICFilter);
static void TIM_ETR_SetConfig(TIM_TypeDef* TIMx, uint32_t TIM_ExtTRGPrescaler,
uint32_t TIM_ExtTRGPolarity, uint32_t ExtTRGFilter);
static void TIM_ITRx_SetConfig(TIM_TypeDef* TIMx, uint16_t InputTriggerSource);
static void TIM_DMAPeriodElapsedCplt(DMA_HandleTypeDef *hdma);
static void TIM_DMATriggerCplt(DMA_HandleTypeDef *hdma);
static void TIM_SlaveTimer_SetConfig(TIM_HandleTypeDef *htim,
TIM_SlaveConfigTypeDef * sSlaveConfig);
/**
* @}
*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup TIM_Exported_Functions TIM Exported Functions
* @{
*/
/** @defgroup TIM_Exported_Functions_Group1 Time Base functions
* @brief Time Base functions
*
@verbatim
==============================================================================
##### Time Base functions #####
==============================================================================
[..]
This section provides functions allowing to:
(+) Initialize and configure the TIM base.
(+) De-initialize the TIM base.
(+) Start the Time Base.
(+) Stop the Time Base.
(+) Start the Time Base and enable interrupt.
(+) Stop the Time Base and disable interrupt.
(+) Start the Time Base and enable DMA transfer.
(+) Stop the Time Base and disable DMA transfer.
@endverbatim
* @{
*/
/**
* @brief Initializes the TIM Time base Unit according to the specified
* parameters in the TIM_HandleTypeDef and create the associated handle.
* @note Switching from Center Aligned counter mode to Edge counter mode (or reverse)
* requires a timer reset to avoid unexpected direction
* due to DIR bit readonly in center aligned mode.
* Ex: call @ref HAL_TIM_Base_DeInit() before HAL_TIM_Base_Init()
* @param htim : TIM Base handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Init(TIM_HandleTypeDef *htim)
{
/* Check the TIM handle allocation */
if(htim == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
assert_param(IS_TIM_COUNTER_MODE(htim->Init.CounterMode));
assert_param(IS_TIM_CLOCKDIVISION_DIV(htim->Init.ClockDivision));
assert_param(IS_TIM_AUTORELOAD_PRELOAD(htim->Init.AutoReloadPreload));
if(htim->State == HAL_TIM_STATE_RESET)
{
/* Allocate lock resource and initialize it */
htim->Lock = HAL_UNLOCKED;
/* Init the low level hardware : GPIO, CLOCK, NVIC */
HAL_TIM_Base_MspInit(htim);
}
/* Set the TIM state */
htim->State= HAL_TIM_STATE_BUSY;
/* Set the Time Base configuration */
TIM_Base_SetConfig(htim->Instance, &htim->Init);
/* Initialize the TIM state*/
htim->State= HAL_TIM_STATE_READY;
return HAL_OK;
}
/**
* @brief DeInitializes the TIM Base peripheral
* @param htim : TIM Base handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_DeInit(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
htim->State = HAL_TIM_STATE_BUSY;
/* Disable the TIM Peripheral Clock */
__HAL_TIM_DISABLE(htim);
/* DeInit the low level hardware: GPIO, CLOCK, NVIC */
HAL_TIM_Base_MspDeInit(htim);
/* Change TIM state */
htim->State = HAL_TIM_STATE_RESET;
/* Release Lock */
__HAL_UNLOCK(htim);
return HAL_OK;
}
/**
* @brief Initializes the TIM Base MSP.
* @param htim : TIM handle
* @retval None
*/
__weak void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(htim);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_TIM_Base_MspInit could be implemented in the user file
*/
}
/**
* @brief DeInitializes TIM Base MSP.
* @param htim : TIM handle
* @retval None
*/
__weak void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef *htim)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(htim);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_TIM_Base_MspDeInit could be implemented in the user file
*/
}
/**
* @brief Starts the TIM Base generation.
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Start(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
/* Set the TIM state */
htim->State= HAL_TIM_STATE_BUSY;
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Change the TIM state*/
htim->State= HAL_TIM_STATE_READY;
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Base generation.
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Stop(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
/* Set the TIM state */
htim->State= HAL_TIM_STATE_BUSY;
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Change the TIM state*/
htim->State= HAL_TIM_STATE_READY;
/* Return function status */
return HAL_OK;
}
/**
* @brief Starts the TIM Base generation in interrupt mode.
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Start_IT(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
/* Enable the TIM Update interrupt */
__HAL_TIM_ENABLE_IT(htim, TIM_IT_UPDATE);
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Base generation in interrupt mode.
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Stop_IT(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
/* Disable the TIM Update interrupt */
__HAL_TIM_DISABLE_IT(htim, TIM_IT_UPDATE);
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Starts the TIM Base generation in DMA mode.
* @param htim : TIM handle
* @param pData : The source Buffer address.
* @param Length : The length of data to be transferred from memory to peripheral.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Start_DMA(TIM_HandleTypeDef *htim, uint32_t *pData, uint16_t Length)
{
/* Check the parameters */
assert_param(IS_TIM_DMA_INSTANCE(htim->Instance));
if((htim->State == HAL_TIM_STATE_BUSY))
{
return HAL_BUSY;
}
else if((htim->State == HAL_TIM_STATE_READY))
{
if((pData == 0U) && (Length > 0U))
{
return HAL_ERROR;
}
else
{
htim->State = HAL_TIM_STATE_BUSY;
}
}
/* Set the DMA Period elapsed callback */
htim->hdma[TIM_DMA_ID_UPDATE]->XferCpltCallback = TIM_DMAPeriodElapsedCplt;
/* Set the DMA error callback */
htim->hdma[TIM_DMA_ID_UPDATE]->XferErrorCallback = TIM_DMAError ;
/* Enable the DMA channel */
HAL_DMA_Start_IT(htim->hdma[TIM_DMA_ID_UPDATE], (uint32_t)pData, (uint32_t)&htim->Instance->ARR, Length);
/* Enable the TIM Update DMA request */
__HAL_TIM_ENABLE_DMA(htim, TIM_DMA_UPDATE);
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Base generation in DMA mode.
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_Base_Stop_DMA(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_DMA_INSTANCE(htim->Instance));
/* Disable the TIM Update DMA request */
__HAL_TIM_DISABLE_DMA(htim, TIM_DMA_UPDATE);
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Change the htim state */
htim->State = HAL_TIM_STATE_READY;
/* Return function status */
return HAL_OK;
}
/**
* @}
*/
/** @defgroup TIM_Exported_Functions_Group2 Time Output Compare functions
* @brief Time Output Compare functions
*
@verbatim
==============================================================================
##### Time Output Compare functions #####
==============================================================================
[..]
This section provides functions allowing to:
(+) Initialize and configure the TIM Output Compare.
(+) De-initialize the TIM Output Compare.
(+) Start the Time Output Compare.
(+) Stop the Time Output Compare.
(+) Start the Time Output Compare and enable interrupt.
(+) Stop the Time Output Compare and disable interrupt.
(+) Start the Time Output Compare and enable DMA transfer.
(+) Stop the Time Output Compare and disable DMA transfer.
@endverbatim
* @{
*/
/**
* @brief Initializes the TIM Output Compare according to the specified
* parameters in the TIM_HandleTypeDef and create the associated handle.
* @note Switching from Center Aligned counter mode to Edge counter mode (or reverse)
* requires a timer reset to avoid unexpected direction
* due to DIR bit readonly in center aligned mode.
* Ex: call @ref HAL_TIM_OC_DeInit() before HAL_TIM_OC_Init()
* @param htim : TIM Output Compare handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Init(TIM_HandleTypeDef* htim)
{
/* Check the TIM handle allocation */
if(htim == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
assert_param(IS_TIM_COUNTER_MODE(htim->Init.CounterMode));
assert_param(IS_TIM_CLOCKDIVISION_DIV(htim->Init.ClockDivision));
assert_param(IS_TIM_AUTORELOAD_PRELOAD(htim->Init.AutoReloadPreload));
if(htim->State == HAL_TIM_STATE_RESET)
{
/* Allocate lock resource and initialize it */
htim->Lock = HAL_UNLOCKED;
/* Init the low level hardware : GPIO, CLOCK, NVIC and DMA */
HAL_TIM_OC_MspInit(htim);
}
/* Set the TIM state */
htim->State= HAL_TIM_STATE_BUSY;
/* Init the base time for the Output Compare */
TIM_Base_SetConfig(htim->Instance, &htim->Init);
/* Initialize the TIM state*/
htim->State= HAL_TIM_STATE_READY;
return HAL_OK;
}
/**
* @brief DeInitializes the TIM peripheral
* @param htim : TIM Output Compare handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_DeInit(TIM_HandleTypeDef *htim)
{
/* Check the parameters */
assert_param(IS_TIM_INSTANCE(htim->Instance));
htim->State = HAL_TIM_STATE_BUSY;
/* Disable the TIM Peripheral Clock */
__HAL_TIM_DISABLE(htim);
/* DeInit the low level hardware: GPIO, CLOCK, NVIC and DMA */
HAL_TIM_OC_MspDeInit(htim);
/* Change TIM state */
htim->State = HAL_TIM_STATE_RESET;
/* Release Lock */
__HAL_UNLOCK(htim);
return HAL_OK;
}
/**
* @brief Initializes the TIM Output Compare MSP.
* @param htim : TIM handle
* @retval None
*/
__weak void HAL_TIM_OC_MspInit(TIM_HandleTypeDef *htim)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(htim);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_TIM_OC_MspInit could be implemented in the user file
*/
}
/**
* @brief DeInitializes TIM Output Compare MSP.
* @param htim : TIM handle
* @retval None
*/
__weak void HAL_TIM_OC_MspDeInit(TIM_HandleTypeDef *htim)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(htim);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_TIM_OC_MspDeInit could be implemented in the user file
*/
}
/**
* @brief Starts the TIM Output Compare signal generation.
* @param htim : TIM Output Compare handle
* @param Channel : TIM Channel to be enabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Start(TIM_HandleTypeDef *htim, uint32_t Channel)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
/* Enable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_ENABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Enable the main output */
__HAL_TIM_MOE_ENABLE(htim);
}
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Output Compare signal generation.
* @param htim : TIM handle
* @param Channel : TIM Channel to be disabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Stop(TIM_HandleTypeDef *htim, uint32_t Channel)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
/* Disable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_DISABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Disable the Main Ouput */
__HAL_TIM_MOE_DISABLE(htim);
}
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Starts the TIM Output Compare signal generation in interrupt mode.
* @param htim : TIM OC handle
* @param Channel : TIM Channel to be enabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Start_IT(TIM_HandleTypeDef *htim, uint32_t Channel)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
switch (Channel)
{
case TIM_CHANNEL_1:
{
/* Enable the TIM Capture/Compare 1 interrupt */
__HAL_TIM_ENABLE_IT(htim, TIM_IT_CC1);
}
break;
case TIM_CHANNEL_2:
{
/* Enable the TIM Capture/Compare 2 interrupt */
__HAL_TIM_ENABLE_IT(htim, TIM_IT_CC2);
}
break;
case TIM_CHANNEL_3:
{
/* Enable the TIM Capture/Compare 3 interrupt */
__HAL_TIM_ENABLE_IT(htim, TIM_IT_CC3);
}
break;
case TIM_CHANNEL_4:
{
/* Enable the TIM Capture/Compare 4 interrupt */
__HAL_TIM_ENABLE_IT(htim, TIM_IT_CC4);
}
break;
default:
break;
}
/* Enable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_ENABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Enable the main output */
__HAL_TIM_MOE_ENABLE(htim);
}
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Output Compare signal generation in interrupt mode.
* @param htim : TIM Output Compare handle
* @param Channel : TIM Channel to be disabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Stop_IT(TIM_HandleTypeDef *htim, uint32_t Channel)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
switch (Channel)
{
case TIM_CHANNEL_1:
{
/* Disable the TIM Capture/Compare 1 interrupt */
__HAL_TIM_DISABLE_IT(htim, TIM_IT_CC1);
}
break;
case TIM_CHANNEL_2:
{
/* Disable the TIM Capture/Compare 2 interrupt */
__HAL_TIM_DISABLE_IT(htim, TIM_IT_CC2);
}
break;
case TIM_CHANNEL_3:
{
/* Disable the TIM Capture/Compare 3 interrupt */
__HAL_TIM_DISABLE_IT(htim, TIM_IT_CC3);
}
break;
case TIM_CHANNEL_4:
{
/* Disable the TIM Capture/Compare 4 interrupt */
__HAL_TIM_DISABLE_IT(htim, TIM_IT_CC4);
}
break;
default:
break;
}
/* Disable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_DISABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Disable the Main Ouput */
__HAL_TIM_MOE_DISABLE(htim);
}
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Starts the TIM Output Compare signal generation in DMA mode.
* @param htim : TIM Output Compare handle
* @param Channel : TIM Channel to be enabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @param pData : The source Buffer address.
* @param Length : The length of data to be transferred from memory to TIM peripheral
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Start_DMA(TIM_HandleTypeDef *htim, uint32_t Channel, uint32_t *pData, uint16_t Length)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
if((htim->State == HAL_TIM_STATE_BUSY))
{
return HAL_BUSY;
}
else if((htim->State == HAL_TIM_STATE_READY))
{
if(((uint32_t)pData == 0U) && (Length > 0U))
{
return HAL_ERROR;
}
else
{
htim->State = HAL_TIM_STATE_BUSY;
}
}
switch (Channel)
{
case TIM_CHANNEL_1:
{
/* Set the DMA Period elapsed callback */
htim->hdma[TIM_DMA_ID_CC1]->XferCpltCallback = TIM_DMADelayPulseCplt;
/* Set the DMA error callback */
htim->hdma[TIM_DMA_ID_CC1]->XferErrorCallback = TIM_DMAError ;
/* Enable the DMA channel */
HAL_DMA_Start_IT(htim->hdma[TIM_DMA_ID_CC1], (uint32_t)pData, (uint32_t)&htim->Instance->CCR1, Length);
/* Enable the TIM Capture/Compare 1 DMA request */
__HAL_TIM_ENABLE_DMA(htim, TIM_DMA_CC1);
}
break;
case TIM_CHANNEL_2:
{
/* Set the DMA Period elapsed callback */
htim->hdma[TIM_DMA_ID_CC2]->XferCpltCallback = TIM_DMADelayPulseCplt;
/* Set the DMA error callback */
htim->hdma[TIM_DMA_ID_CC2]->XferErrorCallback = TIM_DMAError ;
/* Enable the DMA channel */
HAL_DMA_Start_IT(htim->hdma[TIM_DMA_ID_CC2], (uint32_t)pData, (uint32_t)&htim->Instance->CCR2, Length);
/* Enable the TIM Capture/Compare 2 DMA request */
__HAL_TIM_ENABLE_DMA(htim, TIM_DMA_CC2);
}
break;
case TIM_CHANNEL_3:
{
/* Set the DMA Period elapsed callback */
htim->hdma[TIM_DMA_ID_CC3]->XferCpltCallback = TIM_DMADelayPulseCplt;
/* Set the DMA error callback */
htim->hdma[TIM_DMA_ID_CC3]->XferErrorCallback = TIM_DMAError ;
/* Enable the DMA channel */
HAL_DMA_Start_IT(htim->hdma[TIM_DMA_ID_CC3], (uint32_t)pData, (uint32_t)&htim->Instance->CCR3,Length);
/* Enable the TIM Capture/Compare 3 DMA request */
__HAL_TIM_ENABLE_DMA(htim, TIM_DMA_CC3);
}
break;
case TIM_CHANNEL_4:
{
/* Set the DMA Period elapsed callback */
htim->hdma[TIM_DMA_ID_CC4]->XferCpltCallback = TIM_DMADelayPulseCplt;
/* Set the DMA error callback */
htim->hdma[TIM_DMA_ID_CC4]->XferErrorCallback = TIM_DMAError ;
/* Enable the DMA channel */
HAL_DMA_Start_IT(htim->hdma[TIM_DMA_ID_CC4], (uint32_t)pData, (uint32_t)&htim->Instance->CCR4, Length);
/* Enable the TIM Capture/Compare 4 DMA request */
__HAL_TIM_ENABLE_DMA(htim, TIM_DMA_CC4);
}
break;
default:
break;
}
/* Enable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_ENABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Enable the main output */
__HAL_TIM_MOE_ENABLE(htim);
}
/* Enable the Peripheral */
__HAL_TIM_ENABLE(htim);
/* Return function status */
return HAL_OK;
}
/**
* @brief Stops the TIM Output Compare signal generation in DMA mode.
* @param htim : TIM Output Compare handle
* @param Channel : TIM Channel to be disabled
* This parameter can be one of the following values:
* @arg TIM_CHANNEL_1: TIM Channel 1 selected
* @arg TIM_CHANNEL_2: TIM Channel 2 selected
* @arg TIM_CHANNEL_3: TIM Channel 3 selected
* @arg TIM_CHANNEL_4: TIM Channel 4 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_OC_Stop_DMA(TIM_HandleTypeDef *htim, uint32_t Channel)
{
/* Check the parameters */
assert_param(IS_TIM_CCX_INSTANCE(htim->Instance, Channel));
switch (Channel)
{
case TIM_CHANNEL_1:
{
/* Disable the TIM Capture/Compare 1 DMA request */
__HAL_TIM_DISABLE_DMA(htim, TIM_DMA_CC1);
}
break;
case TIM_CHANNEL_2:
{
/* Disable the TIM Capture/Compare 2 DMA request */
__HAL_TIM_DISABLE_DMA(htim, TIM_DMA_CC2);
}
break;
case TIM_CHANNEL_3:
{
/* Disable the TIM Capture/Compare 3 DMA request */
__HAL_TIM_DISABLE_DMA(htim, TIM_DMA_CC3);
}
break;
case TIM_CHANNEL_4:
{
/* Disable the TIM Capture/Compare 4 interrupt */
__HAL_TIM_DISABLE_DMA(htim, TIM_DMA_CC4);
}
break;
default:
break;
}
/* Disable the Output compare channel */
TIM_CCxChannelCmd(htim->Instance, Channel, TIM_CCx_DISABLE);
if(IS_TIM_BREAK_INSTANCE(htim->Instance) != RESET)
{
/* Disable the Main Ouput */
__HAL_TIM_MOE_DISABLE(htim);
}
/* Disable the Peripheral */
__HAL_TIM_DISABLE(htim);
/* Change the htim state */
htim->State = HAL_TIM_STATE_READY;
/* Return function status */
return HAL_OK;
}
/**
* @}
*/
/** @defgroup TIM_Exported_Functions_Group3 Time PWM functions
* @brief Time PWM functions
*
@verbatim
==============================================================================
##### Time PWM functions #####
==============================================================================
[..]
This section provides functions allowing to:
(+) Initialize and configure the TIM PWM.
(+) De-initialize the TIM PWM.
(+) Start the Time PWM.
(+) Stop the Time PWM.
(+) Start the Time PWM and enable interrupt.
(+) Stop the Time PWM and disable interrupt.
(+) Start the Time PWM and enable DMA transfer.
(+) Stop the Time PWM and disable DMA transfer.
@endverbatim
* @{
*/
/**
* @brief Initializes the TIM PWM Time Base according to the specified
* parameters in the TIM_HandleTypeDef and create the associated handle.
* @note Switching from Center Aligned counter mode to Edge counter mode (or reverse)
* requires a timer reset to avoid unexpected direction
* due to DIR bit readonly in center aligned mode.
* Ex: call @ref HAL_TIM_PWM_DeInit() before HAL_TIM_PWM_Init()
* @param htim : TIM handle
* @retval HAL status
*/
HAL_StatusTypeDef HAL_TIM_PWM_Init(TIM_HandleTypeDef *htim)
{
/* Check the TIM handle allocation */
if(htim == NULL)