/**
******************************************************************************
* @file stm32f3xx_hal_dac_ex.c
* @author MCD Application Team
* @version V1.1.0
* @date 12-Sept-2014
* @brief Extended DAC HAL module driver.
*
* This file provides firmware functions to manage the following
* functionalities of the Power Controller (DAC) peripheral:
* + Initialization and de-initialization functions
* + Peripheral Control functions
@verbatim
@endverbatim
******************************************************************************
* @attention
*
*
© COPYRIGHT(c) 2014 STMicroelectronics
*
* 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 "stm32f3xx_hal.h"
/** @addtogroup STM32F3xx_HAL_Driver
* @{
*/
#ifdef HAL_DAC_MODULE_ENABLED
/** @defgroup DACEx DAC Extended HAL module driver
* @brief DAC HAL module driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/** @defgroup DACEx_Private_Functions DAC Extended Private Functions
* @{
*/
static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma);
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC channel 2 is available on top of DAC channel 1 */
static void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma);
static void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma);
static void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma);
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/**
* @}
*/
/**
* @}
*/
/** @addtogroup DAC DAC HAL module driver
* @brief DAC HAL module driver
* @{
*/
/* Exported functions ---------------------------------------------------------*/
/** @addtogroup DAC_Exported_Functions DAC Exported Functions
* @{
*/
/** @addtogroup DAC_Exported_Functions_Group3 Peripheral Control functions
* @brief Peripheral Control functions
*
@verbatim
==============================================================================
##### Peripheral Control functions #####
==============================================================================
[..] This section provides functions allowing to:
(+) Set the specified data holding register value for DAC channel.
@endverbatim
* @{
*/
/**
* @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.
* @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
* @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);
/* DAC 1 has 1 or 2 channels - no DAC2 */
/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
if(channel == DAC_CHANNEL_1)
{
tmp += __HAL_DHR12R1_ALIGNEMENT(alignment);
}
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
else /* channel = DAC_CHANNEL_2 */
{
tmp += __HAL_DHR12R2_ALIGNEMENT(alignment);
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/* Set the DAC channel1 selected data holding register */
*(__IO uint32_t *) tmp = data;
/* Return function status */
return HAL_OK;
}
/**
* @}
*/
/** @addtogroup DAC_Exported_Functions_Group2 Input and Output 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
* @{
*/
/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC 1 has 2 channels 1 & 2 */
/**
* @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: DAC1 Channel1 or DAC2 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 Channel2 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t channel)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* Enable the Peripharal */
__HAL_DAC_ENABLE(hdac, channel);
if(channel == DAC_CHANNEL_1)
{
/* Check if software trigger enabled */
if(((hdac->Instance->CR & DAC_CR_TEN1) == DAC_CR_TEN1) && ((hdac->Instance->CR & DAC_CR_TSEL1) == DAC_CR_TSEL1))
{
/* Enable the selected DAC software conversion */
hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1;
}
}
else
{
/* Check if software trigger enabled */
if(((hdac->Instance->CR & DAC_CR_TEN2) == DAC_CR_TEN2) && ((hdac->Instance->CR & DAC_CR_TSEL2) == 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;
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || \
defined(STM32F302xC) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/* DAC 1 has 1 channels 1 */
/**
* @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: DAC1 Channel1 selected
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t channel)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* Enable the Peripharal */
__HAL_DAC_ENABLE(hdac, channel);
/* Check if software trigger enabled */
if(((hdac->Instance->CR & DAC_CR_TEN1) == DAC_CR_TEN1) && ((hdac->Instance->CR & DAC_CR_TSEL1) == DAC_CR_TSEL1))
{
/* Enable the selected DAC software conversion */
hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1;
}
/* Change DAC state */
hdac->State = HAL_DAC_STATE_READY;
/* Process unlocked */
__HAL_UNLOCK(hdac);
/* Return function status */
return HAL_OK;
}
#endif /* STM32F302xE || */
/* STM32F302xC || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC 1 has 2 channels 1 & 2 */
/**
* @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: DAC1 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 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_INSTANCE(hdac->Instance, 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;
}
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;
}
if(channel == DAC_CHANNEL_1)
{
/* 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
{
/* 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 Channel */
if(channel == DAC_CHANNEL_1)
{
/* Enable the DAC DMA underrun interrupt */
__HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1);
/* Enable the DMA Channel */
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 Channel */
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;
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || \
defined(STM32F302xC) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/* DAC 1 has 1 channels 1 */
/**
* @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: DAC1 Channel1 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_INSTANCE(hdac->Instance, channel));
assert_param(IS_DAC_ALIGN(alignment));
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* 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;
}
/* Enable the DMA Channel */
/* Enable the DAC DMA underrun interrupt */
__HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1);
/* Enable the DMA Channel */
HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length);
/* Enable the Peripheral */
__HAL_DAC_ENABLE(hdac, channel);
/* Process Unlocked */
__HAL_UNLOCK(hdac);
/* Return function status */
return HAL_OK;
}
#endif /* STM32F302xE || */
/* STM32F302xC || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC 1 has 2 channels 1 & 2 */
/**
* @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: DAC1 Channel1 or DAC2 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 Channel2 selected
* @retval The selected DAC channel data output value.
*/
/**
* @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: DAC1 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 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_INSTANCE(hdac->Instance, channel));
/* Returns the DAC channel data output register value */
if(channel == DAC_CHANNEL_1)
{
return hdac->Instance->DOR1;
}
else /* channel = DAC_CHANNEL_2 */
{
return hdac->Instance->DOR2;
}
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || \
defined(STM32F302xC) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/* DAC 1 has 1 channel (channel 1) */
/**
* @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: DAC1 Channel1 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_INSTANCE(hdac->Instance, channel));
/* Returns the DAC channel data output register value */
return hdac->Instance->DOR1;
}
#endif /* STM32F302xE || */
/* STM32F302xC || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F302xE) || \
defined(STM32F302xC) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/* DAC channel 2 is NOT available. Only DAC channel 1 is available */
/**
* @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(struct __DAC_HandleTypeDef* hdac)
{
/* Check Overrun 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 chanel1 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);
}
}
#endif /* STM32F302xE || */
/* STM32F302xC || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC channel 2 is available on top of DAC channel 1 */
/**
* @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(struct __DAC_HandleTypeDef* hdac)
{
/* Check Overrun 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 chanel1 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);
}
else
{
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);
}
}
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/** @addtogroup DACEx
* @brief DACEx Extended HAL module driver
* @{
*/
/* Exported functions ---------------------------------------------------------*/
/** @addtogroup DACEx_Exported_Functions DAC Extended Exported Functions
* @{
*/
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC channel 2 is present in DAC 1 */
/**
* @brief Set the specified data holding register value for dual DAC channel.
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @param alignment: Specifies the data alignment for dual channel DAC.
* 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 data2: Data for DAC Channel2 to be loaded in the selected data holding register.
* @param data1: Data for DAC Channel1 to be loaded in the selected data holding register.
* @note In dual mode, a unique register access is required to write in both
* DAC channels at the same time.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef* hdac, uint32_t alignment, uint32_t data1, uint32_t data2)
{
uint32_t data = 0, tmp = 0;
/* Check the parameters */
assert_param(IS_DAC_ALIGN(alignment));
assert_param(IS_DAC_DATA(data1));
assert_param(IS_DAC_DATA(data2));
/* Calculate and set dual DAC data holding register value */
if (alignment == DAC_ALIGN_8B_R)
{
data = ((uint32_t)data2 << 8) | data1;
}
else
{
data = ((uint32_t)data2 << 16) | data1;
}
tmp = (uint32_t) (hdac->Instance);
tmp += __HAL_DHR12RD_ALIGNEMENT(alignment);
/* Set the dual DAC selected data holding register */
*(__IO uint32_t *)tmp = data;
/* Return function status */
return HAL_OK;
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/**
* @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.
* @retval The selected DAC channel data output value.
*/
uint32_t HAL_DACEx_DualGetValue(DAC_HandleTypeDef* hdac)
{
uint32_t tmp = 0;
tmp |= hdac->Instance->DOR1;
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC channel 2 is present in DAC 1 */
tmp |= hdac->Instance->DOR2 << 16;
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/* Returns the DAC channel data output register value */
return tmp;
}
/**
* @brief Enables or disables the selected DAC channel wave generation.
* @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: DAC1 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 Channel2 selected
* @param Amplitude: Select max triangle amplitude.
* This parameter can be one of the following values:
* @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
* @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
* @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
* @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
* @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
* @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
* @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
* @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
* @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
* @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
* @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
* @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
* @note Wave generation is not available in DAC2.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(channel));
assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* Enable the selected wave generation for the selected DAC channel */
hdac->Instance->CR |= (DAC_WAVE_TRIANGLE | Amplitude) << channel;
/* Change DAC state */
hdac->State = HAL_DAC_STATE_READY;
/* Process unlocked */
__HAL_UNLOCK(hdac);
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables or disables the selected DAC channel wave generation.
* @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: DAC1 Channel1 selected
* @arg DAC_CHANNEL_2: DAC1 Channel2 selected
* @param Amplitude: Unmask DAC channel LFSR for noise wave generation.
* This parameter can be one of the following values:
* @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
* @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
* @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(channel));
assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* Enable the selected wave generation for the selected DAC channel */
hdac->Instance->CR |= (DAC_WAVE_NOISE | Amplitude) << channel;
/* Change DAC state */
hdac->State = HAL_DAC_STATE_READY;
/* Process unlocked */
__HAL_UNLOCK(hdac);
/* Return function status */
return HAL_OK;
}
/**
* @brief Conversion complete callback in non blocking mode for Channel2
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
__weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef* hdac)
{
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_DACEx_ConvCpltCallbackCh2 could be implemented in the user file
*/
}
/**
* @brief Conversion half DMA transfer callback in non blocking mode for Channel2
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
__weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef* hdac)
{
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_DACEx_ConvHalfCpltCallbackCh2 could be implemented in the user file
*/
}
/**
* @brief Error DAC callback for Channel2.
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
__weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
{
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_DACEx_ErrorCallbackCh2 could be implemented in the user file
*/
}
/**
* @brief DMA underrun DAC callback for channel2.
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
__weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
{
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
*/
}
/**
* @brief DMA conversion complete callback.
* @param hdma: pointer to DMA handle.
* @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 DMA handle.
* @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 DMA handle.
* @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;
}
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* DAC channel 2 is available on top of DAC channel 1 */
/**
* @brief DMA conversion complete callback.
* @param hdma: pointer to DMA handle.
* @retval None
*/
static void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
{
DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
HAL_DACEx_ConvCpltCallbackCh2(hdac);
hdac->State= HAL_DAC_STATE_READY;
}
/**
* @brief DMA half transfer complete callback.
* @param hdma: pointer to DMA handle.
* @retval None
*/
static void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
{
DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
/* Conversion complete callback */
HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
}
/**
* @brief DMA error callback
* @param hdma: pointer to DMA handle.
* @retval None
*/
static void DAC_DMAErrorCh2(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_DACEx_ErrorCallbackCh2(hdac);
hdac->State= HAL_DAC_STATE_READY;
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/**
* @}
*/
/**
* @}
*/
#endif /* HAL_DAC_MODULE_ENABLED */
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/