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/**
******************************************************************************
* @file stm32f1xx_hal_dac_ex.c
* @author MCD Application Team
* @brief Extended DAC HAL module driver.
* This file provides firmware functions to manage the extended
* functionalities of the DAC peripheral.
*
*
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
@verbatim
==============================================================================
##### How to use this driver #####
==============================================================================
[..]
*** Signal generation operation ***
===================================
[..]
(+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
(+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
@endverbatim
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
/** @addtogroup STM32F1xx_HAL_Driver
* @{
*/
#ifdef HAL_DAC_MODULE_ENABLED
#if defined(DAC)
/** @defgroup DACEx DACEx
* @brief DAC Extended HAL module driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup DACEx_Exported_Functions DACEx Exported Functions
* @{
*/
/** @defgroup DACEx_Exported_Functions_Group2 IO operation functions
* @brief Extended IO operation functions
*
@verbatim
==============================================================================
##### Extended features 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.
(+) Get result of dual mode conversion.
@endverbatim
* @{
*/
/**
* @brief Enables DAC and starts conversion of both channels.
* @param hdac pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_DualStart(DAC_HandleTypeDef *hdac)
{
uint32_t tmp_swtrig = 0UL;
/* Check the DAC peripheral handle */
if (hdac == NULL)
{
return HAL_ERROR;
}
/* Process locked */
__HAL_LOCK(hdac);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_BUSY;
/* Enable the Peripheral */
__HAL_DAC_ENABLE(hdac, DAC_CHANNEL_1);
__HAL_DAC_ENABLE(hdac, DAC_CHANNEL_2);
/* Check if software trigger enabled */
if ((hdac->Instance->CR & (DAC_CR_TEN1 | DAC_CR_TSEL1)) == DAC_TRIGGER_SOFTWARE)
{
tmp_swtrig |= DAC_SWTRIGR_SWTRIG1;
}
if ((hdac->Instance->CR & (DAC_CR_TEN2 | DAC_CR_TSEL2)) == (DAC_TRIGGER_SOFTWARE << (DAC_CHANNEL_2 & 0x10UL)))
{
tmp_swtrig |= DAC_SWTRIGR_SWTRIG2;
}
/* Enable the selected DAC software conversion*/
SET_BIT(hdac->Instance->SWTRIGR, tmp_swtrig);
/* 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 both channels.
* @param hdac pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_DualStop(DAC_HandleTypeDef *hdac)
{
/* Check the DAC peripheral handle */
if (hdac == NULL)
{
return HAL_ERROR;
}
/* Disable the Peripheral */
__HAL_DAC_DISABLE(hdac, DAC_CHANNEL_1);
__HAL_DAC_DISABLE(hdac, DAC_CHANNEL_2);
/* Change DAC state */
hdac->State = HAL_DAC_STATE_READY;
/* Return function status */
return HAL_OK;
}
/**
* @brief Enable or disable 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: DAC Channel1 selected
* @arg DAC_CHANNEL_2: DAC 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
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
{
/* Check the DAC peripheral handle */
if (hdac == NULL)
{
return HAL_ERROR;
}
/* 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 triangle wave generation for the selected DAC channel */
MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
(DAC_CR_WAVE1_1 | Amplitude) << (Channel & 0x10UL));
/* Change DAC state */
hdac->State = HAL_DAC_STATE_READY;
/* Process unlocked */
__HAL_UNLOCK(hdac);
/* Return function status */
return HAL_OK;
}
/**
* @brief Enable or disable 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: DAC Channel1 selected
* @arg DAC_CHANNEL_2: DAC 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 DAC peripheral handle */
if (hdac == NULL)
{
return HAL_ERROR;
}
/* 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 noise wave generation for the selected DAC channel */
MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
(DAC_CR_WAVE1_0 | Amplitude) << (Channel & 0x10UL));
/* 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 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:
* DAC_ALIGN_8B_R: 8bit right data alignment selected
* DAC_ALIGN_12B_L: 12bit left data alignment selected
* DAC_ALIGN_12B_R: 12bit right data alignment selected
* @param Data1 Data for DAC Channel1 to be loaded in the selected data holding register.
* @param Data2 Data for DAC Channel2 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;
uint32_t tmp;
/* Check the DAC peripheral handle */
if (hdac == NULL)
{
return HAL_ERROR;
}
/* 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 << 8U) | Data1;
}
else
{
data = ((uint32_t)Data2 << 16U) | Data1;
}
tmp = (uint32_t)hdac->Instance;
tmp += DAC_DHR12RD_ALIGNMENT(Alignment);
/* Set the dual DAC selected data holding register */
*(__IO uint32_t *)tmp = data;
/* 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)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(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)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(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)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(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)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hdac);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
*/
}
/**
* @}
*/
/** @defgroup DACEx_Exported_Functions_Group3 Peripheral Control functions
* @brief Extended 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 Return 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(const DAC_HandleTypeDef *hdac)
{
uint32_t tmp = 0UL;
tmp |= hdac->Instance->DOR1;
tmp |= hdac->Instance->DOR2 << 16UL;
/* Returns the DAC channel data output register value */
return tmp;
}
/**
* @}
*/
/**
* @}
*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup DACEx_Private_Functions DACEx private functions
* @brief Extended private functions
* @{
*/
/**
* @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
*/
void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
{
DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
hdac->ConvCpltCallbackCh2(hdac);
#else
HAL_DACEx_ConvCpltCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
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
*/
void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
{
DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
/* Conversion complete callback */
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
hdac->ConvHalfCpltCallbackCh2(hdac);
#else
HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
}
/**
* @brief DMA error callback.
* @param hdma pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA module.
* @retval None
*/
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;
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
hdac->ErrorCallbackCh2(hdac);
#else
HAL_DACEx_ErrorCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
hdac->State = HAL_DAC_STATE_READY;
}
/**
* @}
*/
/**
* @}
*/
#endif /* DAC */
#endif /* HAL_DAC_MODULE_ENABLED */
/**
* @}
*/