Mercurial > public > ostc4
view Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dac.h @ 230:3973208c4a20 div-fixes-4-1
cleanup: make return void when never used
The schedule_update_timer_helper() function returned a value that is
never used. In fact, its only called with constants -1 and 0, so there
is still some unused functionality here. In all: trivial cleanup.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author | Jan Mulder <jlmulder@xs4all.nl> |
---|---|
date | Wed, 03 Apr 2019 14:16:59 +0200 |
parents | c78bcbd5deda |
children |
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/** ****************************************************************************** * @file stm32f4xx_hal_dac.h * @author MCD Application Team * @brief Header file of DAC HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 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. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F4xx_HAL_DAC_H #define __STM32F4xx_HAL_DAC_H #ifdef __cplusplus extern "C" { #endif #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\ defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) ||\ defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || defined(STM32F423xx) /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_hal_def.h" /** @addtogroup STM32F4xx_HAL_Driver * @{ */ /** @addtogroup DAC * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup DAC_Exported_Types DAC Exported Types * @{ */ /** * @brief HAL State structures definition */ typedef enum { HAL_DAC_STATE_RESET = 0x00U, /*!< DAC not yet initialized or disabled */ HAL_DAC_STATE_READY = 0x01U, /*!< DAC initialized and ready for use */ HAL_DAC_STATE_BUSY = 0x02U, /*!< DAC internal processing is ongoing */ HAL_DAC_STATE_TIMEOUT = 0x03U, /*!< DAC timeout state */ HAL_DAC_STATE_ERROR = 0x04U /*!< DAC error state */ }HAL_DAC_StateTypeDef; /** * @brief DAC handle Structure definition */ typedef struct { DAC_TypeDef *Instance; /*!< Register base address */ __IO HAL_DAC_StateTypeDef State; /*!< DAC communication state */ HAL_LockTypeDef Lock; /*!< DAC locking object */ DMA_HandleTypeDef *DMA_Handle1; /*!< Pointer DMA handler for channel 1 */ DMA_HandleTypeDef *DMA_Handle2; /*!< Pointer DMA handler for channel 2 */ __IO uint32_t ErrorCode; /*!< DAC Error code */ }DAC_HandleTypeDef; /** * @brief DAC Configuration regular Channel structure definition */ typedef struct { uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel. This parameter can be a value of @ref DAC_trigger_selection */ uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled. This parameter can be a value of @ref DAC_output_buffer */ }DAC_ChannelConfTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup DAC_Exported_Constants DAC Exported Constants * @{ */ /** @defgroup DAC_Error_Code DAC Error Code * @{ */ #define HAL_DAC_ERROR_NONE 0x00U /*!< No error */ #define HAL_DAC_ERROR_DMAUNDERRUNCH1 0x01U /*!< DAC channel1 DAM underrun error */ #define HAL_DAC_ERROR_DMAUNDERRUNCH2 0x02U /*!< DAC channel2 DAM underrun error */ #define HAL_DAC_ERROR_DMA 0x04U /*!< DMA error */ /** * @} */ /** @defgroup DAC_trigger_selection DAC Trigger Selection * @{ */ #define DAC_TRIGGER_NONE 0x00000000U /*!< Conversion is automatic once the DAC1_DHRxxxx register has been loaded, and not by external trigger */ #define DAC_TRIGGER_T2_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TEN1)) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_T4_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_T5_TRGO ((uint32_t)(DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_T6_TRGO ((uint32_t)DAC_CR_TEN1) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_T7_TRGO ((uint32_t)(DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_T8_TRGO ((uint32_t)(DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_EXT_IT9 ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */ #define DAC_TRIGGER_SOFTWARE ((uint32_t)(DAC_CR_TSEL1 | DAC_CR_TEN1)) /*!< Conversion started by software trigger for DAC channel */ /** * @} */ /** @defgroup DAC_output_buffer DAC Output Buffer * @{ */ #define DAC_OUTPUTBUFFER_ENABLE 0x00000000U #define DAC_OUTPUTBUFFER_DISABLE ((uint32_t)DAC_CR_BOFF1) /** * @} */ /** @defgroup DAC_Channel_selection DAC Channel Selection * @{ */ #define DAC_CHANNEL_1 0x00000000U #define DAC_CHANNEL_2 0x00000010U /** * @} */ /** @defgroup DAC_data_alignment DAC Data Alignment * @{ */ #define DAC_ALIGN_12B_R 0x00000000U #define DAC_ALIGN_12B_L 0x00000004U #define DAC_ALIGN_8B_R 0x00000008U /** * @} */ /** @defgroup DAC_flags_definition DAC Flags Definition * @{ */ #define DAC_FLAG_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1) #define DAC_FLAG_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2) /** * @} */ /** @defgroup DAC_IT_definition DAC IT Definition * @{ */ #define DAC_IT_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1) #define DAC_IT_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup DAC_Exported_Macros DAC Exported Macros * @{ */ /** @brief Reset DAC handle state * @param __HANDLE__ specifies the DAC handle. * @retval None */ #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET) /** @brief Enable the DAC channel * @param __HANDLE__ specifies the DAC handle. * @param __DAC_Channel__ specifies the DAC channel * @retval None */ #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) ((__HANDLE__)->Instance->CR |= (DAC_CR_EN1 << (__DAC_Channel__))) /** @brief Disable the DAC channel * @param __HANDLE__ specifies the DAC handle * @param __DAC_Channel__ specifies the DAC channel. * @retval None */ #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) ((__HANDLE__)->Instance->CR &= ~(DAC_CR_EN1 << (__DAC_Channel__))) /** @brief Enable the DAC interrupt * @param __HANDLE__ specifies the DAC handle * @param __INTERRUPT__ specifies the DAC interrupt. * @retval None */ #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__)) /** @brief Disable the DAC interrupt * @param __HANDLE__ specifies the DAC handle * @param __INTERRUPT__ specifies the DAC interrupt. * @retval None */ #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__)) /** @brief Checks if the specified DAC interrupt source is enabled or disabled. * @param __HANDLE__ DAC handle * @param __INTERRUPT__ DAC interrupt source to check * This parameter can be any combination of the following values: * @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt * @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt * @retval State of interruption (SET or RESET) */ #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR & (__INTERRUPT__)) == (__INTERRUPT__)) /** @brief Get the selected DAC's flag status. * @param __HANDLE__ specifies the DAC handle. * @param __FLAG__ specifies the flag to clear. * This parameter can be any combination of the following values: * @arg DAC_FLAG_DMAUDR1: DMA underrun 1 flag * @arg DAC_FLAG_DMAUDR2: DMA underrun 2 flag * @retval None */ #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__)) /** @brief Clear the DAC's flag. * @param __HANDLE__ specifies the DAC handle. * @param __FLAG__ specifies the flag to clear. * This parameter can be any combination of the following values: * @arg DAC_FLAG_DMAUDR1: DMA underrun 1 flag * @arg DAC_FLAG_DMAUDR2: DMA underrun 2 flag * @retval None */ #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__)) /** * @} */ /* Include DAC HAL Extension module */ #include "stm32f4xx_hal_dac_ex.h" /* Exported functions --------------------------------------------------------*/ /** @addtogroup DAC_Exported_Functions * @{ */ /** @addtogroup DAC_Exported_Functions_Group1 * @{ */ /* Initialization/de-initialization functions *********************************/ HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac); HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac); void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac); void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac); /** * @} */ /** @addtogroup DAC_Exported_Functions_Group2 * @{ */ /* I/O operation functions ****************************************************/ HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel); HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel); HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment); HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel); uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel); /** * @} */ /** @addtogroup DAC_Exported_Functions_Group3 * @{ */ /* Peripheral Control functions ***********************************************/ HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel); HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data); /** * @} */ /** @addtogroup DAC_Exported_Functions_Group4 * @{ */ /* Peripheral State functions *************************************************/ HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac); void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac); uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac); void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac); void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac); void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac); void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac); /** * @} */ /** * @} */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /** @defgroup DAC_Private_Constants DAC Private Constants * @{ */ /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @defgroup DAC_Private_Macros DAC Private Macros * @{ */ #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0U) #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \ ((ALIGN) == DAC_ALIGN_12B_L) || \ ((ALIGN) == DAC_ALIGN_8B_R)) #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \ ((CHANNEL) == DAC_CHANNEL_2)) #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \ ((STATE) == DAC_OUTPUTBUFFER_DISABLE)) #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_TRIGGER_NONE) || \ ((TRIGGER) == DAC_TRIGGER_T2_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_T8_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_T7_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_T5_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_T6_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_T4_TRGO) || \ ((TRIGGER) == DAC_TRIGGER_EXT_IT9) || \ ((TRIGGER) == DAC_TRIGGER_SOFTWARE)) /** @brief Set DHR12R1 alignment * @param __ALIGNMENT__ specifies the DAC alignment * @retval None */ #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (0x00000008U + (__ALIGNMENT__)) /** @brief Set DHR12R2 alignment * @param __ALIGNMENT__ specifies the DAC alignment * @retval None */ #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000014U) + (__ALIGNMENT__)) /** @brief Set DHR12RD alignment * @param __ALIGNMENT__ specifies the DAC alignment * @retval None */ #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (0x00000020U + (__ALIGNMENT__)) /** * @} */ /* Private functions ---------------------------------------------------------*/ /** @defgroup DAC_Private_Functions DAC Private Functions * @{ */ /** * @} */ #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\ STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\ STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx ||\ STM32F413xx || STM32F423xx */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /*__STM32F4xx_HAL_DAC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/