| 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_dac_ex.c
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief DAC HAL module driver.
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| 8 | * This file provides firmware functions to manage the following
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| 9 | * functionalities of DAC extension peripheral:
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| 10 | * + Extended features functions
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| 11 | *
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| 12 | *
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| 13 | @verbatim
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| 14 | ==============================================================================
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| 15 | ##### How to use this driver #####
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| 16 | ==============================================================================
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| 17 | [..]
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| 18 | (+) When Dual mode is enabled (i.e DAC Channel1 and Channel2 are used simultaneously) :
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| 19 | Use HAL_DACEx_DualGetValue() to get digital data to be converted and use
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| 20 | HAL_DACEx_DualSetValue() to set digital value to converted simultaneously in Channel 1 and Channel 2.
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| 21 | (+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
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| 22 | (+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
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| 23 |
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| 24 | @endverbatim
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| 25 | ******************************************************************************
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| 26 | * @attention
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| 27 | *
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| 28 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 29 | *
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| 30 | * Redistribution and use in source and binary forms, with or without modification,
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| 31 | * are permitted provided that the following conditions are met:
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| 32 | * 1. Redistributions of source code must retain the above copyright notice,
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| 33 | * this list of conditions and the following disclaimer.
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| 34 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 35 | * this list of conditions and the following disclaimer in the documentation
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| 36 | * and/or other materials provided with the distribution.
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| 37 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 38 | * may be used to endorse or promote products derived from this software
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| 39 | * without specific prior written permission.
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| 40 | *
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| 41 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 42 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 44 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 47 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 48 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 49 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 50 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 51 | *
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| 52 | ******************************************************************************
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| 53 | */
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| 54 |
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| 55 |
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| 56 | /* Includes ------------------------------------------------------------------*/
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| 57 | #include "stm32f4xx_hal.h"
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| 58 |
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| 59 | /** @addtogroup STM32F4xx_HAL_Driver
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| 60 | * @{
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| 61 | */
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| 62 |
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| 63 | /** @defgroup DACEx DACEx
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| 64 | * @brief DAC driver modules
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| 65 | * @{
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| 66 | */
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| 67 |
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| 68 | #ifdef HAL_DAC_MODULE_ENABLED
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| 69 |
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| 70 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\
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| 71 | defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
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| 72 | defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) ||\
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| 73 | defined(STM32F469xx) || defined(STM32F479xx)
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| 74 | /* Private typedef -----------------------------------------------------------*/
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| 75 | /* Private define ------------------------------------------------------------*/
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| 76 | /* Private macro -------------------------------------------------------------*/
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| 77 | /* Private variables ---------------------------------------------------------*/
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| 78 | /* Private function prototypes -----------------------------------------------*/
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| 79 | /* Private functions ---------------------------------------------------------*/
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| 80 | /* Exported functions --------------------------------------------------------*/
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| 81 | /** @defgroup DACEx_Exported_Functions DAC Exported Functions
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| 82 | * @{
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| 83 | */
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| 84 |
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| 85 | /** @defgroup DACEx_Exported_Functions_Group1 Extended features functions
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| 86 | * @brief Extended features functions
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| 87 | *
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| 88 | @verbatim
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| 89 | ==============================================================================
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| 90 | ##### Extended features functions #####
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| 91 | ==============================================================================
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| 92 | [..] This section provides functions allowing to:
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| 93 | (+) Start conversion.
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| 94 | (+) Stop conversion.
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| 95 | (+) Start conversion and enable DMA transfer.
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| 96 | (+) Stop conversion and disable DMA transfer.
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| 97 | (+) Get result of conversion.
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| 98 | (+) Get result of dual mode conversion.
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| 99 |
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| 100 | @endverbatim
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| 101 | * @{
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| 102 | */
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| 103 |
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| 104 | /**
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| 105 | * @brief Returns the last data output value of the selected DAC channel.
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| 106 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 107 | * the configuration information for the specified DAC.
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| 108 | * @retval The selected DAC channel data output value.
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| 109 | */
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| 110 | uint32_t HAL_DACEx_DualGetValue(DAC_HandleTypeDef* hdac)
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| 111 | {
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| 112 | uint32_t tmp = 0;
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| 113 |
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| 114 | tmp |= hdac->Instance->DOR1;
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| 115 |
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| 116 | tmp |= hdac->Instance->DOR2 << 16;
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| 117 |
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| 118 | /* Returns the DAC channel data output register value */
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| 119 | return tmp;
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| 120 | }
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| 121 |
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| 122 | /**
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| 123 | * @brief Enables or disables the selected DAC channel wave generation.
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| 124 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 125 | * the configuration information for the specified DAC.
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| 126 | * @param Channel: The selected DAC channel.
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| 127 | * This parameter can be one of the following values:
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| 128 | * DAC_CHANNEL_1 / DAC_CHANNEL_2
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| 129 | * @param Amplitude: Select max triangle amplitude.
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| 130 | * This parameter can be one of the following values:
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| 131 | * @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
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| 132 | * @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
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| 133 | * @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
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| 134 | * @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
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| 135 | * @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
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| 136 | * @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
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| 137 | * @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
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| 138 | * @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
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| 139 | * @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
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| 140 | * @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
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| 141 | * @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
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| 142 | * @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
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| 143 | * @retval HAL status
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| 144 | */
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| 145 | HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude)
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| 146 | {
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| 147 | /* Check the parameters */
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| 148 | assert_param(IS_DAC_CHANNEL(Channel));
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| 149 | assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
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| 150 |
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| 151 | /* Process locked */
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| 152 | __HAL_LOCK(hdac);
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| 153 |
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| 154 | /* Change DAC state */
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| 155 | hdac->State = HAL_DAC_STATE_BUSY;
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| 156 |
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| 157 | /* Enable the selected wave generation for the selected DAC channel */
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| 158 | MODIFY_REG(hdac->Instance->CR, (DAC_CR_WAVE1 | DAC_CR_MAMP1) << Channel, (DAC_CR_WAVE1_1 | Amplitude) << Channel);
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| 159 |
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| 160 | /* Change DAC state */
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| 161 | hdac->State = HAL_DAC_STATE_READY;
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| 162 |
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| 163 | /* Process unlocked */
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| 164 | __HAL_UNLOCK(hdac);
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| 165 |
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| 166 | /* Return function status */
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| 167 | return HAL_OK;
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| 168 | }
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| 169 |
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| 170 | /**
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| 171 | * @brief Enables or disables the selected DAC channel wave generation.
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| 172 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 173 | * the configuration information for the specified DAC.
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| 174 | * @param Channel: The selected DAC channel.
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| 175 | * This parameter can be one of the following values:
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| 176 | * DAC_CHANNEL_1 / DAC_CHANNEL_2
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| 177 | * @param Amplitude: Unmask DAC channel LFSR for noise wave generation.
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| 178 | * This parameter can be one of the following values:
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| 179 | * @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
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| 180 | * @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
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| 181 | * @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
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| 182 | * @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
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| 183 | * @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
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| 184 | * @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
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| 185 | * @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
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| 186 | * @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
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| 187 | * @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
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| 188 | * @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
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| 189 | * @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
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| 190 | * @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
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| 191 | * @retval HAL status
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| 192 | */
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| 193 | HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Amplitude)
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| 194 | {
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| 195 | /* Check the parameters */
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| 196 | assert_param(IS_DAC_CHANNEL(Channel));
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| 197 | assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
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| 198 |
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| 199 | /* Process locked */
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| 200 | __HAL_LOCK(hdac);
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| 201 |
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| 202 | /* Change DAC state */
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| 203 | hdac->State = HAL_DAC_STATE_BUSY;
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| 204 |
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| 205 | /* Enable the selected wave generation for the selected DAC channel */
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| 206 | MODIFY_REG(hdac->Instance->CR, (DAC_CR_WAVE1 | DAC_CR_MAMP1) << Channel, (DAC_CR_WAVE1_0 | Amplitude) << Channel);
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| 207 |
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| 208 | /* Change DAC state */
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| 209 | hdac->State = HAL_DAC_STATE_READY;
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| 210 |
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| 211 | /* Process unlocked */
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| 212 | __HAL_UNLOCK(hdac);
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| 213 |
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| 214 | /* Return function status */
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| 215 | return HAL_OK;
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| 216 | }
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| 217 |
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| 218 | /**
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| 219 | * @brief Set the specified data holding register value for dual DAC channel.
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| 220 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 221 | * the configuration information for the specified DAC.
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| 222 | * @param Alignment: Specifies the data alignment for dual channel DAC.
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| 223 | * This parameter can be one of the following values:
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| 224 | * DAC_ALIGN_8B_R: 8bit right data alignment selected
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| 225 | * DAC_ALIGN_12B_L: 12bit left data alignment selected
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| 226 | * DAC_ALIGN_12B_R: 12bit right data alignment selected
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| 227 | * @param Data1: Data for DAC Channel2 to be loaded in the selected data holding register.
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| 228 | * @param Data2: Data for DAC Channel1 to be loaded in the selected data holding register.
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| 229 | * @note In dual mode, a unique register access is required to write in both
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| 230 | * DAC channels at the same time.
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| 231 | * @retval HAL status
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| 232 | */
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| 233 | HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef* hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2)
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| 234 | {
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| 235 | uint32_t data = 0, tmp = 0;
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| 236 |
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| 237 | /* Check the parameters */
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| 238 | assert_param(IS_DAC_ALIGN(Alignment));
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| 239 | assert_param(IS_DAC_DATA(Data1));
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| 240 | assert_param(IS_DAC_DATA(Data2));
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| 241 |
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| 242 | /* Calculate and set dual DAC data holding register value */
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| 243 | if (Alignment == DAC_ALIGN_8B_R)
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| 244 | {
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| 245 | data = ((uint32_t)Data2 << 8) | Data1;
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| 246 | }
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| 247 | else
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| 248 | {
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| 249 | data = ((uint32_t)Data2 << 16) | Data1;
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| 250 | }
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| 251 |
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| 252 | tmp = (uint32_t)hdac->Instance;
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| 253 | tmp += DAC_DHR12RD_ALIGNMENT(Alignment);
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| 254 |
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| 255 | /* Set the dual DAC selected data holding register */
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| 256 | *(__IO uint32_t *)tmp = data;
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| 257 |
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| 258 | /* Return function status */
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| 259 | return HAL_OK;
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| 260 | }
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| 261 |
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| 262 | /**
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| 263 | * @}
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| 264 | */
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| 265 |
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| 266 | /**
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| 267 | * @brief Conversion complete callback in non blocking mode for Channel2
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| 268 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 269 | * the configuration information for the specified DAC.
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| 270 | * @retval None
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| 271 | */
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| 272 | __weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef* hdac)
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| 273 | {
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| 274 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 275 | the HAL_DAC_ConvCpltCallback could be implemented in the user file
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| 276 | */
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| 277 | }
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| 278 |
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| 279 | /**
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| 280 | * @brief Conversion half DMA transfer callback in non blocking mode for Channel2
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| 281 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 282 | * the configuration information for the specified DAC.
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| 283 | * @retval None
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| 284 | */
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| 285 | __weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef* hdac)
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| 286 | {
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| 287 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 288 | the HAL_DAC_ConvHalfCpltCallbackCh2 could be implemented in the user file
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| 289 | */
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| 290 | }
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| 291 |
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| 292 | /**
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| 293 | * @brief Error DAC callback for Channel2.
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| 294 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 295 | * the configuration information for the specified DAC.
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| 296 | * @retval None
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| 297 | */
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| 298 | __weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
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| 299 | {
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| 300 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 301 | the HAL_DAC_ErrorCallback could be implemented in the user file
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| 302 | */
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| 303 | }
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| 304 |
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| 305 | /**
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| 306 | * @brief DMA underrun DAC callback for channel2.
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| 307 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains
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| 308 | * the configuration information for the specified DAC.
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| 309 | * @retval None
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| 310 | */
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| 311 | __weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
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| 312 | {
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| 313 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 314 | the HAL_DAC_DMAUnderrunCallbackCh2 could be implemented in the user file
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| 315 | */
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| 316 | }
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| 317 |
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| 318 | /**
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| 319 | * @brief DMA conversion complete callback.
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| 320 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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| 321 | * the configuration information for the specified DMA module.
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| 322 | * @retval None
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| 323 | */
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| 324 | void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
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| 325 | {
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| 326 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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| 327 |
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| 328 | HAL_DACEx_ConvCpltCallbackCh2(hdac);
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| 329 |
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| 330 | hdac->State= HAL_DAC_STATE_READY;
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| 331 | }
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| 332 |
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| 333 | /**
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| 334 | * @brief DMA half transfer complete callback.
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| 335 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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| 336 | * the configuration information for the specified DMA module.
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| 337 | * @retval None
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| 338 | */
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| 339 | void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
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| 340 | {
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| 341 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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| 342 | /* Conversion complete callback */
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| 343 | HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
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| 344 | }
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| 345 |
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| 346 | /**
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| 347 | * @brief DMA error callback
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| 348 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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| 349 | * the configuration information for the specified DMA module.
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| 350 | * @retval None
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| 351 | */
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| 352 | void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma)
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| 353 | {
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| 354 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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| 355 |
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| 356 | /* Set DAC error code to DMA error */
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| 357 | hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
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| 358 |
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| 359 | HAL_DACEx_ErrorCallbackCh2(hdac);
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| 360 |
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| 361 | hdac->State= HAL_DAC_STATE_READY;
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| 362 | }
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| 363 |
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| 364 | /**
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| 365 | * @}
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| 366 | */
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| 367 |
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| 368 | #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\
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| 369 | STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||\
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| 370 | STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx */
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| 371 |
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| 372 | #endif /* HAL_DAC_MODULE_ENABLED */
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| 373 |
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| 374 | /**
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| 375 | * @}
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| 376 | */
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| 377 |
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| 378 | /**
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| 379 | * @}
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| 380 | */
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| 381 |
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| 382 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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