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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c | 953 |
1 files changed, 0 insertions, 953 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c deleted file mode 100644 index b417e6338f..0000000000 --- a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dac.c +++ /dev/null @@ -1,953 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_dac.c - * @author MCD Application Team - * @version V1.4.0 - * @date 14-August-2015 - * @brief DAC HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the Digital to Analog Converter (DAC) peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral Control functions - * + Peripheral State and Errors functions - * - * - @verbatim - ============================================================================== - ##### DAC Peripheral features ##### - ============================================================================== - [..] - *** DAC Channels *** - ==================== - [..] - The device integrates two 12-bit Digital Analog Converters that can - be used independently or simultaneously (dual mode): - (#) DAC channel1 with DAC_OUT1 (PA4) as output - (#) DAC channel2 with DAC_OUT2 (PA5) as output - - *** DAC Triggers *** - ==================== - [..] - Digital to Analog conversion can be non-triggered using DAC_TRIGGER_NONE - and DAC_OUT1/DAC_OUT2 is available once writing to DHRx register. - [..] - Digital to Analog conversion can be triggered by: - (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_TRIGGER_EXT_IT9. - The used pin (GPIOx_Pin9) must be configured in input mode. - - (#) Timers TRGO: TIM2, TIM4, TIM5, TIM6, TIM7 and TIM8 - (DAC_TRIGGER_T2_TRGO, DAC_TRIGGER_T4_TRGO...) - - (#) Software using DAC_TRIGGER_SOFTWARE - - *** DAC Buffer mode feature *** - =============================== - [..] - Each DAC channel integrates an output buffer that can be used to - reduce the output impedance, and to drive external loads directly - without having to add an external operational amplifier. - To enable, the output buffer use - sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE; - [..] - (@) Refer to the device datasheet for more details about output - impedance value with and without output buffer. - - *** DAC wave generation feature *** - =================================== - [..] - Both DAC channels can be used to generate - (#) Noise wave - (#) Triangle wave - - *** DAC data format *** - ======================= - [..] - The DAC data format can be: - (#) 8-bit right alignment using DAC_ALIGN_8B_R - (#) 12-bit left alignment using DAC_ALIGN_12B_L - (#) 12-bit right alignment using DAC_ALIGN_12B_R - - *** DAC data value to voltage correspondence *** - ================================================ - [..] - The analog output voltage on each DAC channel pin is determined - by the following equation: - DAC_OUTx = VREF+ * DOR / 4095 - with DOR is the Data Output Register - VEF+ is the input voltage reference (refer to the device datasheet) - e.g. To set DAC_OUT1 to 0.7V, use - Assuming that VREF+ = 3.3V, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V - - *** DMA requests *** - ===================== - [..] - A DMA1 request can be generated when an external trigger (but not - a software trigger) occurs if DMA1 requests are enabled using - HAL_DAC_Start_DMA() - [..] - DMA1 requests are mapped as following: - (#) DAC channel1 : mapped on DMA1 Stream5 channel7 which must be - already configured - (#) DAC channel2 : mapped on DMA1 Stream6 channel7 which must be - already configured - - -@- For Dual mode and specific signal (Triangle and noise) generation please - refer to Extension Features Driver description - - - ##### How to use this driver ##### - ============================================================================== - [..] - (+) DAC APB clock must be enabled to get write access to DAC - registers using HAL_DAC_Init() - (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode. - (+) Configure the DAC channel using HAL_DAC_ConfigChannel() function. - (+) Enable the DAC channel using HAL_DAC_Start() or HAL_DAC_Start_DMA functions - - *** Polling mode IO operation *** - ================================= - [..] - (+) Start the DAC peripheral using HAL_DAC_Start() - (+) To read the DAC last data output value, use the HAL_DAC_GetValue() function. - (+) Stop the DAC peripheral using HAL_DAC_Stop() - - *** DMA mode IO operation *** - ============================== - [..] - (+) Start the DAC peripheral using HAL_DAC_Start_DMA(), at this stage the user specify the length - of data to be transferred at each end of conversion - (+) At The end of data transfer HAL_DAC_ConvCpltCallbackCh1()or HAL_DAC_ConvCpltCallbackCh2() - function is executed and user can add his own code by customization of function pointer - HAL_DAC_ConvCpltCallbackCh1 or HAL_DAC_ConvCpltCallbackCh2 - (+) In case of transfer Error, HAL_DAC_ErrorCallbackCh1() function is executed and user can - add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 - (+) Stop the DAC peripheral using HAL_DAC_Stop_DMA() - - *** DAC HAL driver macros list *** - ============================================= - [..] - Below the list of most used macros in DAC HAL driver. - - (+) __HAL_DAC_ENABLE : Enable the DAC peripheral - (+) __HAL_DAC_DISABLE : Disable the DAC peripheral - (+) __HAL_DAC_CLEAR_FLAG: Clear the DAC's pending flags - (+) __HAL_DAC_GET_FLAG: Get the selected DAC's flag status - - [..] - (@) You can refer to the DAC HAL driver header file for more useful macros - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 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 "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup DAC DAC - * @brief DAC driver modules - * @{ - */ - -#ifdef HAL_DAC_MODULE_ENABLED - -#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) -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/** @addtogroup DAC_Private_Functions - * @{ - */ -/* Private function prototypes -----------------------------------------------*/ -static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma); -static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma); -static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ -/** @defgroup DAC_Exported_Functions DAC Exported Functions - * @{ - */ - -/** @defgroup DAC_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - ============================================================================== - ##### Initialization and de-initialization functions ##### - ============================================================================== - [..] This section provides functions allowing to: - (+) Initialize and configure the DAC. - (+) De-initialize the DAC. - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the DAC peripheral according to the specified parameters - * in the DAC_InitStruct. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac) -{ - /* Check DAC handle */ - if(hdac == NULL) - { - return HAL_ERROR; - } - /* Check the parameters */ - assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); - - if(hdac->State == HAL_DAC_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hdac->Lock = HAL_UNLOCKED; - /* Init the low level hardware */ - HAL_DAC_MspInit(hdac); - } - - /* Initialize the DAC state*/ - hdac->State = HAL_DAC_STATE_BUSY; - - /* Set DAC error code to none */ - hdac->ErrorCode = HAL_DAC_ERROR_NONE; - - /* Initialize the DAC state*/ - hdac->State = HAL_DAC_STATE_READY; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Deinitializes the DAC peripheral registers to their default reset values. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac) -{ - /* Check DAC handle */ - if(hdac == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_BUSY; - - /* DeInit the low level hardware */ - HAL_DAC_MspDeInit(hdac); - - /* Set DAC error code to none */ - hdac->ErrorCode = HAL_DAC_ERROR_NONE; - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(hdac); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Initializes the DAC MSP. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitializes the DAC MSP. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup DAC_Exported_Functions_Group2 IO operation functions - * @brief IO operation functions - * -@verbatim - ============================================================================== - ##### IO operation functions ##### - ============================================================================== - [..] This section provides functions allowing to: - (+) Start conversion. - (+) Stop conversion. - (+) Start conversion and enable DMA transfer. - (+) Stop conversion and disable DMA transfer. - (+) Get result of conversion. - -@endverbatim - * @{ - */ - -/** - * @brief Enables DAC and starts conversion of channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel) -{ - uint32_t tmp1 = 0, tmp2 = 0; - - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - - /* Process locked */ - __HAL_LOCK(hdac); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_BUSY; - - /* Enable the Peripheral */ - __HAL_DAC_ENABLE(hdac, Channel); - - if(Channel == DAC_CHANNEL_1) - { - tmp1 = hdac->Instance->CR & DAC_CR_TEN1; - tmp2 = hdac->Instance->CR & DAC_CR_TSEL1; - /* Check if software trigger enabled */ - if((tmp1 == DAC_CR_TEN1) && (tmp2 == DAC_CR_TSEL1)) - { - /* Enable the selected DAC software conversion */ - hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1; - } - } - else - { - tmp1 = hdac->Instance->CR & DAC_CR_TEN2; - tmp2 = hdac->Instance->CR & DAC_CR_TSEL2; - /* Check if software trigger enabled */ - if((tmp1 == DAC_CR_TEN2) && (tmp2 == DAC_CR_TSEL2)) - { - /* Enable the selected DAC software conversion*/ - hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG2; - } - } - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_READY; - - /* Process unlocked */ - __HAL_UNLOCK(hdac); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Disables DAC and stop conversion of channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel) -{ - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - - /* Disable the Peripheral */ - __HAL_DAC_DISABLE(hdac, Channel); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_READY; - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Enables DAC and starts conversion of channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @param pData: The destination peripheral Buffer address. - * @param Length: The length of data to be transferred from memory to DAC peripheral - * @param Alignment: Specifies the data alignment for DAC channel. - * This parameter can be one of the following values: - * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected - * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected - * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - assert_param(IS_DAC_ALIGN(Alignment)); - - /* Process locked */ - __HAL_LOCK(hdac); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_BUSY; - - if(Channel == DAC_CHANNEL_1) - { - /* Set the DMA transfer complete callback for channel1 */ - hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1; - - /* Set the DMA half transfer complete callback for channel1 */ - hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1; - - /* Set the DMA error callback for channel1 */ - hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1; - - /* Enable the selected DAC channel1 DMA request */ - hdac->Instance->CR |= DAC_CR_DMAEN1; - - /* Case of use of channel 1 */ - switch(Alignment) - { - case DAC_ALIGN_12B_R: - /* Get DHR12R1 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR12R1; - break; - case DAC_ALIGN_12B_L: - /* Get DHR12L1 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR12L1; - break; - case DAC_ALIGN_8B_R: - /* Get DHR8R1 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR8R1; - break; - default: - break; - } - } - else - { - /* Set the DMA transfer complete callback for channel2 */ - hdac->DMA_Handle2->XferCpltCallback = DAC_DMAConvCpltCh2; - - /* Set the DMA half transfer complete callback for channel2 */ - hdac->DMA_Handle2->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh2; - - /* Set the DMA error callback for channel2 */ - hdac->DMA_Handle2->XferErrorCallback = DAC_DMAErrorCh2; - - /* Enable the selected DAC channel2 DMA request */ - hdac->Instance->CR |= DAC_CR_DMAEN2; - - /* Case of use of channel 2 */ - switch(Alignment) - { - case DAC_ALIGN_12B_R: - /* Get DHR12R2 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR12R2; - break; - case DAC_ALIGN_12B_L: - /* Get DHR12L2 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR12L2; - break; - case DAC_ALIGN_8B_R: - /* Get DHR8R2 address */ - tmpreg = (uint32_t)&hdac->Instance->DHR8R2; - break; - default: - break; - } - } - - /* Enable the DMA Stream */ - if(Channel == DAC_CHANNEL_1) - { - /* Enable the DAC DMA underrun interrupt */ - __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1); - - /* Enable the DMA Stream */ - HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length); - } - else - { - /* Enable the DAC DMA underrun interrupt */ - __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR2); - - /* Enable the DMA Stream */ - HAL_DMA_Start_IT(hdac->DMA_Handle2, (uint32_t)pData, tmpreg, Length); - } - - /* Enable the Peripheral */ - __HAL_DAC_ENABLE(hdac, Channel); - - /* Process Unlocked */ - __HAL_UNLOCK(hdac); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Disables DAC and stop conversion of channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - - /* Disable the selected DAC channel DMA request */ - hdac->Instance->CR &= ~(DAC_CR_DMAEN1 << Channel); - - /* Disable the Peripheral */ - __HAL_DAC_DISABLE(hdac, Channel); - - /* Disable the DMA Channel */ - /* Channel1 is used */ - if(Channel == DAC_CHANNEL_1) - { - status = HAL_DMA_Abort(hdac->DMA_Handle1); - } - else /* Channel2 is used for */ - { - status = HAL_DMA_Abort(hdac->DMA_Handle2); - } - - /* Check if DMA Channel effectively disabled */ - if(status != HAL_OK) - { - /* Update DAC state machine to error */ - hdac->State = HAL_DAC_STATE_ERROR; - } - else - { - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_READY; - } - - /* Return function status */ - return status; -} - -/** - * @brief Returns the last data output value of the selected DAC channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @retval The selected DAC channel data output value. - */ -uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel) -{ - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - - /* Returns the DAC channel data output register value */ - if(Channel == DAC_CHANNEL_1) - { - return hdac->Instance->DOR1; - } - else - { - return hdac->Instance->DOR2; - } -} - -/** - * @brief Handles DAC interrupt request - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac) -{ - /* Check underrun channel 1 flag */ - if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1)) - { - /* Change DAC state to error state */ - hdac->State = HAL_DAC_STATE_ERROR; - - /* Set DAC error code to channel1 DMA underrun error */ - hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1; - - /* Clear the underrun flag */ - __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1); - - /* Disable the selected DAC channel1 DMA request */ - hdac->Instance->CR &= ~DAC_CR_DMAEN1; - - /* Error callback */ - HAL_DAC_DMAUnderrunCallbackCh1(hdac); - } - /* Check underrun channel 2 flag */ - if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR2)) - { - /* Change DAC state to error state */ - hdac->State = HAL_DAC_STATE_ERROR; - - /* Set DAC error code to channel2 DMA underrun error */ - hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH2; - - /* Clear the underrun flag */ - __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR2); - - /* Disable the selected DAC channel1 DMA request */ - hdac->Instance->CR &= ~DAC_CR_DMAEN2; - - /* Error callback */ - HAL_DACEx_DMAUnderrunCallbackCh2(hdac); - } -} - -/** - * @brief Conversion complete callback in non blocking mode for Channel1 - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_ConvCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Conversion half DMA transfer callback in non blocking mode for Channel1 - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_ConvHalfCpltCallbackCh1 could be implemented in the user file - */ -} - -/** - * @brief Error DAC callback for Channel1. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_ErrorCallbackCh1 could be implemented in the user file - */ -} - -/** - * @brief DMA underrun DAC callback for channel1. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval None - */ -__weak void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_DAC_DMAUnderrunCallbackCh1 could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup DAC_Exported_Functions_Group3 Peripheral Control functions - * @brief Peripheral Control functions - * -@verbatim - ============================================================================== - ##### Peripheral Control functions ##### - ============================================================================== - [..] This section provides functions allowing to: - (+) Configure channels. - (+) Set the specified data holding register value for DAC channel. - -@endverbatim - * @{ - */ - -/** - * @brief Configures the selected DAC channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param sConfig: DAC configuration structure. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel) -{ - uint32_t tmpreg1 = 0, tmpreg2 = 0; - - /* Check the DAC parameters */ - assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); - assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer)); - assert_param(IS_DAC_CHANNEL(Channel)); - - /* Process locked */ - __HAL_LOCK(hdac); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_BUSY; - - /* Get the DAC CR value */ - tmpreg1 = hdac->Instance->CR; - /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */ - tmpreg1 &= ~(((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel); - /* Configure for the selected DAC channel: buffer output, trigger */ - /* Set TSELx and TENx bits according to DAC_Trigger value */ - /* Set BOFFx bit according to DAC_OutputBuffer value */ - tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer); - /* Calculate CR register value depending on DAC_Channel */ - tmpreg1 |= tmpreg2 << Channel; - /* Write to DAC CR */ - hdac->Instance->CR = tmpreg1; - /* Disable wave generation */ - hdac->Instance->CR &= ~(DAC_CR_WAVE1 << Channel); - - /* Change DAC state */ - hdac->State = HAL_DAC_STATE_READY; - - /* Process unlocked */ - __HAL_UNLOCK(hdac); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Set the specified data holding register value for DAC channel. - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @param Channel: The selected DAC channel. - * This parameter can be one of the following values: - * @arg DAC_CHANNEL_1: DAC Channel1 selected - * @arg DAC_CHANNEL_2: DAC Channel2 selected - * @param Alignment: Specifies the data alignment. - * This parameter can be one of the following values: - * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected - * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected - * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected - * @param Data: Data to be loaded in the selected data holding register. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data) -{ - __IO uint32_t tmp = 0; - - /* Check the parameters */ - assert_param(IS_DAC_CHANNEL(Channel)); - assert_param(IS_DAC_ALIGN(Alignment)); - assert_param(IS_DAC_DATA(Data)); - - tmp = (uint32_t)hdac->Instance; - if(Channel == DAC_CHANNEL_1) - { - tmp += DAC_DHR12R1_ALIGNMENT(Alignment); - } - else - { - tmp += DAC_DHR12R2_ALIGNMENT(Alignment); - } - - /* Set the DAC channel1 selected data holding register */ - *(__IO uint32_t *) tmp = Data; - - /* Return function status */ - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup DAC_Exported_Functions_Group4 Peripheral State and Errors functions - * @brief Peripheral State and Errors functions - * -@verbatim - ============================================================================== - ##### Peripheral State and Errors functions ##### - ============================================================================== - [..] - This subsection provides functions allowing to - (+) Check the DAC state. - (+) Check the DAC Errors. - -@endverbatim - * @{ - */ - -/** - * @brief return the DAC state - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval HAL state - */ -HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac) -{ - /* Return DAC state */ - return hdac->State; -} - - -/** - * @brief Return the DAC error code - * @param hdac: pointer to a DAC_HandleTypeDef structure that contains - * the configuration information for the specified DAC. - * @retval DAC Error Code - */ -uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac) -{ - return hdac->ErrorCode; -} - -/** - * @} - */ - -/** - * @brief DMA conversion complete callback. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma) -{ - DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - - HAL_DAC_ConvCpltCallbackCh1(hdac); - - hdac->State= HAL_DAC_STATE_READY; -} - -/** - * @brief DMA half transfer complete callback. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma) -{ - DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - /* Conversion complete callback */ - HAL_DAC_ConvHalfCpltCallbackCh1(hdac); -} - -/** - * @brief DMA error callback - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma) -{ - DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - - /* Set DAC error code to DMA error */ - hdac->ErrorCode |= HAL_DAC_ERROR_DMA; - - HAL_DAC_ErrorCallbackCh1(hdac); - - hdac->State= HAL_DAC_STATE_READY; -} - -/** - * @} - */ -#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\ - STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\ - STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx */ -#endif /* HAL_DAC_MODULE_ENABLED */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |