Mbed for VNG board
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_dac.c@394:83f921546702, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 15:45:07 2014 +0000
- Revision:
- 394:83f921546702
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_dac.c@354:e67efb2aab0e
Synchronized with git revision aab52cb7ec5a665869e507dd988bbfd55b7e087e
Full URL: https://github.com/mbedmicro/mbed/commit/aab52cb7ec5a665869e507dd988bbfd55b7e087e/
Tests: Fix cpputest testrunner
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_dac.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief DAC HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 9 | * functionalities of the Digital to Analog Converter (DAC) peripheral: |
mbed_official | 354:e67efb2aab0e | 10 | * + Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 11 | * + IO operation functions |
mbed_official | 354:e67efb2aab0e | 12 | * + Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 13 | * + Peripheral State and Errors functions |
mbed_official | 354:e67efb2aab0e | 14 | * |
mbed_official | 354:e67efb2aab0e | 15 | * |
mbed_official | 354:e67efb2aab0e | 16 | @verbatim |
mbed_official | 354:e67efb2aab0e | 17 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 18 | ##### DAC Peripheral features ##### |
mbed_official | 354:e67efb2aab0e | 19 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 20 | [..] |
mbed_official | 354:e67efb2aab0e | 21 | *** DAC Channels *** |
mbed_official | 354:e67efb2aab0e | 22 | ==================== |
mbed_official | 354:e67efb2aab0e | 23 | [..] |
mbed_official | 354:e67efb2aab0e | 24 | The device integrates two 12-bit Digital Analog Converters that can |
mbed_official | 354:e67efb2aab0e | 25 | be used independently or simultaneously (dual mode): |
mbed_official | 354:e67efb2aab0e | 26 | (#) DAC channel1 with DAC_OUT1 (PA4) as output |
mbed_official | 354:e67efb2aab0e | 27 | (#) DAC channel2 with DAC_OUT2 (PA5) as output |
mbed_official | 354:e67efb2aab0e | 28 | |
mbed_official | 354:e67efb2aab0e | 29 | *** DAC Triggers *** |
mbed_official | 354:e67efb2aab0e | 30 | ==================== |
mbed_official | 354:e67efb2aab0e | 31 | [..] |
mbed_official | 354:e67efb2aab0e | 32 | Digital to Analog conversion can be non-triggered using DAC_Trigger_None |
mbed_official | 354:e67efb2aab0e | 33 | and DAC_OUT1/DAC_OUT2 is available once writing to DHRx register. |
mbed_official | 354:e67efb2aab0e | 34 | [..] |
mbed_official | 354:e67efb2aab0e | 35 | Digital to Analog conversion can be triggered by: |
mbed_official | 354:e67efb2aab0e | 36 | (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_Trigger_Ext_IT9. |
mbed_official | 354:e67efb2aab0e | 37 | The used pin (GPIOx_Pin9) must be configured in input mode. |
mbed_official | 354:e67efb2aab0e | 38 | |
mbed_official | 354:e67efb2aab0e | 39 | (#) Timers TRGO: TIM2, TIM4, TIM6, TIM7, TIM9 |
mbed_official | 354:e67efb2aab0e | 40 | (DAC_Trigger_T2_TRGO, DAC_Trigger_T4_TRGO...) |
mbed_official | 354:e67efb2aab0e | 41 | |
mbed_official | 354:e67efb2aab0e | 42 | (#) Software using DAC_Trigger_Software |
mbed_official | 354:e67efb2aab0e | 43 | |
mbed_official | 354:e67efb2aab0e | 44 | *** DAC Buffer mode feature *** |
mbed_official | 354:e67efb2aab0e | 45 | =============================== |
mbed_official | 354:e67efb2aab0e | 46 | [..] |
mbed_official | 354:e67efb2aab0e | 47 | Each DAC channel integrates an output buffer that can be used to |
mbed_official | 354:e67efb2aab0e | 48 | reduce the output impedance, and to drive external loads directly |
mbed_official | 354:e67efb2aab0e | 49 | without having to add an external operational amplifier. |
mbed_official | 354:e67efb2aab0e | 50 | To enable, the output buffer use |
mbed_official | 354:e67efb2aab0e | 51 | sConfig.DAC_OutputBuffer = DAC_OutputBuffer_Enable; |
mbed_official | 354:e67efb2aab0e | 52 | [..] |
mbed_official | 354:e67efb2aab0e | 53 | (@) Refer to the device datasheet for more details about output |
mbed_official | 354:e67efb2aab0e | 54 | impedance value with and without output buffer. |
mbed_official | 354:e67efb2aab0e | 55 | |
mbed_official | 354:e67efb2aab0e | 56 | *** DAC wave generation feature *** |
mbed_official | 354:e67efb2aab0e | 57 | =================================== |
mbed_official | 354:e67efb2aab0e | 58 | [..] |
mbed_official | 354:e67efb2aab0e | 59 | Both DAC channels can be used to generate |
mbed_official | 354:e67efb2aab0e | 60 | (#) Noise wave |
mbed_official | 354:e67efb2aab0e | 61 | (#) Triangle wave |
mbed_official | 354:e67efb2aab0e | 62 | |
mbed_official | 354:e67efb2aab0e | 63 | *** DAC data format *** |
mbed_official | 354:e67efb2aab0e | 64 | ======================= |
mbed_official | 354:e67efb2aab0e | 65 | [..] |
mbed_official | 354:e67efb2aab0e | 66 | The DAC data format can be: |
mbed_official | 354:e67efb2aab0e | 67 | (#) 8-bit right alignment using DAC_ALIGN_8B_R |
mbed_official | 354:e67efb2aab0e | 68 | (#) 12-bit left alignment using DAC_ALIGN_12B_L |
mbed_official | 354:e67efb2aab0e | 69 | (#) 12-bit right alignment using DAC_ALIGN_12B_R |
mbed_official | 354:e67efb2aab0e | 70 | |
mbed_official | 354:e67efb2aab0e | 71 | *** DAC data value to voltage correspondence *** |
mbed_official | 354:e67efb2aab0e | 72 | ================================================ |
mbed_official | 354:e67efb2aab0e | 73 | [..] |
mbed_official | 354:e67efb2aab0e | 74 | The analog output voltage on each DAC channel pin is determined |
mbed_official | 354:e67efb2aab0e | 75 | by the following equation: |
mbed_official | 354:e67efb2aab0e | 76 | DAC_OUTx = VREF+ * DOR / 4095 |
mbed_official | 354:e67efb2aab0e | 77 | with DOR is the Data Output Register |
mbed_official | 354:e67efb2aab0e | 78 | VEF+ is the input voltage reference (refer to the device datasheet) |
mbed_official | 354:e67efb2aab0e | 79 | e.g. To set DAC_OUT1 to 0.7V, use |
mbed_official | 354:e67efb2aab0e | 80 | Assuming that VREF+ = 3.3V, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V |
mbed_official | 354:e67efb2aab0e | 81 | |
mbed_official | 354:e67efb2aab0e | 82 | *** DMA requests *** |
mbed_official | 354:e67efb2aab0e | 83 | ===================== |
mbed_official | 354:e67efb2aab0e | 84 | [..] |
mbed_official | 354:e67efb2aab0e | 85 | A DMA1 request can be generated when an external trigger (but not |
mbed_official | 354:e67efb2aab0e | 86 | a software trigger) occurs if DMA1 requests are enabled using |
mbed_official | 354:e67efb2aab0e | 87 | HAL_DAC_Start_DMA() |
mbed_official | 354:e67efb2aab0e | 88 | [..] |
mbed_official | 354:e67efb2aab0e | 89 | DMA1 requests are mapped as following: |
mbed_official | 354:e67efb2aab0e | 90 | (#) DAC channel1 : mapped on DMA1 channel2 which must be |
mbed_official | 354:e67efb2aab0e | 91 | already configured |
mbed_official | 354:e67efb2aab0e | 92 | (#) DAC channel2 : mapped on DMA1 channel3 which must be |
mbed_official | 354:e67efb2aab0e | 93 | already configured |
mbed_official | 354:e67efb2aab0e | 94 | |
mbed_official | 354:e67efb2aab0e | 95 | -@- For Dual mode and specific signal (Triangle and noise) generation please |
mbed_official | 354:e67efb2aab0e | 96 | refer to Extension Features Driver description |
mbed_official | 354:e67efb2aab0e | 97 | |
mbed_official | 354:e67efb2aab0e | 98 | |
mbed_official | 354:e67efb2aab0e | 99 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 100 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 101 | [..] |
mbed_official | 354:e67efb2aab0e | 102 | (+) DAC APB clock must be enabled to get write access to DAC |
mbed_official | 354:e67efb2aab0e | 103 | registers using HAL_DAC_Init() |
mbed_official | 354:e67efb2aab0e | 104 | (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode. |
mbed_official | 354:e67efb2aab0e | 105 | (+) Configure the DAC channel using HAL_DAC_ConfigChannel() function. |
mbed_official | 354:e67efb2aab0e | 106 | (+) Enable the DAC channel using HAL_DAC_Start() or HAL_DAC_Start_DMA functions |
mbed_official | 354:e67efb2aab0e | 107 | |
mbed_official | 354:e67efb2aab0e | 108 | *** Polling mode IO operation *** |
mbed_official | 354:e67efb2aab0e | 109 | ================================= |
mbed_official | 354:e67efb2aab0e | 110 | [..] |
mbed_official | 354:e67efb2aab0e | 111 | (+) Start the DAC peripheral using HAL_DAC_Start() |
mbed_official | 354:e67efb2aab0e | 112 | (+) To read the DAC last data output value value, use the HAL_DAC_GetValue() function. |
mbed_official | 354:e67efb2aab0e | 113 | (+) Stop the DAC peripheral using HAL_DAC_Stop() |
mbed_official | 354:e67efb2aab0e | 114 | |
mbed_official | 354:e67efb2aab0e | 115 | *** DMA mode IO operation *** |
mbed_official | 354:e67efb2aab0e | 116 | ============================== |
mbed_official | 354:e67efb2aab0e | 117 | [..] |
mbed_official | 354:e67efb2aab0e | 118 | (+) Start the DAC peripheral using HAL_DAC_Start_DMA(), at this stage the user specify the length |
mbed_official | 354:e67efb2aab0e | 119 | of data to be transferred at each end of conversion |
mbed_official | 354:e67efb2aab0e | 120 | (+) At the middle of data transfer HAL_DAC_ConvHalfCpltCallbackCh1()or HAL_DAC_ConvHalfCpltCallbackCh2() |
mbed_official | 354:e67efb2aab0e | 121 | function is executed and user can add his own code by customization of function pointer |
mbed_official | 354:e67efb2aab0e | 122 | HAL_DAC_ConvHalfCpltCallbackCh1 or HAL_DAC_ConvHalfCpltCallbackCh2 |
mbed_official | 354:e67efb2aab0e | 123 | (+) At The end of data transfer HAL_DAC_ConvCpltCallbackCh1()or HAL_DAC_ConvCpltCallbackCh2() |
mbed_official | 354:e67efb2aab0e | 124 | function is executed and user can add his own code by customization of function pointer |
mbed_official | 354:e67efb2aab0e | 125 | HAL_DAC_ConvCpltCallbackCh1 or HAL_DAC_ConvCpltCallbackCh2 |
mbed_official | 354:e67efb2aab0e | 126 | (+) In case of transfer Error, HAL_DAC_ErrorCallbackCh1() function is executed and user can |
mbed_official | 354:e67efb2aab0e | 127 | add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 |
mbed_official | 354:e67efb2aab0e | 128 | (+) In case of DMA underrun, DAC interruption triggers and execute internal function HAL_DAC_IRQHandler. |
mbed_official | 354:e67efb2aab0e | 129 | HAL_DAC_DMAUnderrunCallbackCh1()or HAL_DAC_DMAUnderrunCallbackCh2() |
mbed_official | 354:e67efb2aab0e | 130 | function is executed and user can add his own code by customization of function pointer |
mbed_official | 354:e67efb2aab0e | 131 | HAL_DAC_DMAUnderrunCallbackCh1 or HAL_DAC_DMAUnderrunCallbackCh2 |
mbed_official | 354:e67efb2aab0e | 132 | add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 |
mbed_official | 354:e67efb2aab0e | 133 | (+) Stop the DAC peripheral using HAL_DAC_Stop_DMA() |
mbed_official | 354:e67efb2aab0e | 134 | |
mbed_official | 354:e67efb2aab0e | 135 | *** DAC HAL driver macros list *** |
mbed_official | 354:e67efb2aab0e | 136 | ============================================= |
mbed_official | 354:e67efb2aab0e | 137 | [..] |
mbed_official | 354:e67efb2aab0e | 138 | Below the list of most used macros in DAC HAL driver. |
mbed_official | 354:e67efb2aab0e | 139 | |
mbed_official | 354:e67efb2aab0e | 140 | (+) __HAL_DAC_ENABLE : Enable the DAC peripheral |
mbed_official | 354:e67efb2aab0e | 141 | (+) __HAL_DAC_DISABLE : Disable the DAC peripheral |
mbed_official | 354:e67efb2aab0e | 142 | (+) __HAL_DAC_CLEAR_FLAG: Clear the DAC's pending flags |
mbed_official | 354:e67efb2aab0e | 143 | (+) __HAL_DAC_GET_FLAG: Get the selected DAC's flag status |
mbed_official | 354:e67efb2aab0e | 144 | |
mbed_official | 354:e67efb2aab0e | 145 | [..] |
mbed_official | 354:e67efb2aab0e | 146 | (@) You can refer to the DAC HAL driver header file for more useful macros |
mbed_official | 354:e67efb2aab0e | 147 | |
mbed_official | 354:e67efb2aab0e | 148 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 149 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 150 | * @attention |
mbed_official | 354:e67efb2aab0e | 151 | * |
mbed_official | 354:e67efb2aab0e | 152 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 153 | * |
mbed_official | 354:e67efb2aab0e | 154 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 155 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 156 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 157 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 158 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 159 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 160 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 161 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 162 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 163 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 164 | * |
mbed_official | 354:e67efb2aab0e | 165 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 166 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 167 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 168 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 169 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 170 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 171 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 172 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 173 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 174 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 175 | * |
mbed_official | 354:e67efb2aab0e | 176 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 177 | */ |
mbed_official | 354:e67efb2aab0e | 178 | |
mbed_official | 354:e67efb2aab0e | 179 | |
mbed_official | 354:e67efb2aab0e | 180 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 181 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 182 | |
mbed_official | 354:e67efb2aab0e | 183 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 184 | * @{ |
mbed_official | 354:e67efb2aab0e | 185 | */ |
mbed_official | 354:e67efb2aab0e | 186 | |
mbed_official | 354:e67efb2aab0e | 187 | /** @defgroup DAC DAC |
mbed_official | 354:e67efb2aab0e | 188 | * @brief DAC driver modules |
mbed_official | 354:e67efb2aab0e | 189 | * @{ |
mbed_official | 354:e67efb2aab0e | 190 | */ |
mbed_official | 354:e67efb2aab0e | 191 | |
mbed_official | 354:e67efb2aab0e | 192 | #ifdef HAL_DAC_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 193 | |
mbed_official | 354:e67efb2aab0e | 194 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 195 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 196 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 197 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 198 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 199 | /** @defgroup DAC_Private_Functions DAC Private Functions |
mbed_official | 354:e67efb2aab0e | 200 | * @{ |
mbed_official | 354:e67efb2aab0e | 201 | */ |
mbed_official | 354:e67efb2aab0e | 202 | static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 203 | static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 204 | static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 205 | |
mbed_official | 354:e67efb2aab0e | 206 | /** |
mbed_official | 354:e67efb2aab0e | 207 | * @} |
mbed_official | 354:e67efb2aab0e | 208 | */ |
mbed_official | 354:e67efb2aab0e | 209 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 210 | |
mbed_official | 354:e67efb2aab0e | 211 | /** @defgroup DAC_Exported_Functions DAC Exported Functions |
mbed_official | 354:e67efb2aab0e | 212 | * @{ |
mbed_official | 354:e67efb2aab0e | 213 | */ |
mbed_official | 354:e67efb2aab0e | 214 | |
mbed_official | 354:e67efb2aab0e | 215 | /** @defgroup DAC_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 216 | * @brief Initialization and Configuration functions |
mbed_official | 354:e67efb2aab0e | 217 | * |
mbed_official | 354:e67efb2aab0e | 218 | @verbatim |
mbed_official | 354:e67efb2aab0e | 219 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 220 | ##### Initialization and de-initialization functions ##### |
mbed_official | 354:e67efb2aab0e | 221 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 222 | [..] This section provides functions allowing to: |
mbed_official | 354:e67efb2aab0e | 223 | (+) Initialize and configure the DAC. |
mbed_official | 354:e67efb2aab0e | 224 | (+) De-initialize the DAC. |
mbed_official | 354:e67efb2aab0e | 225 | |
mbed_official | 354:e67efb2aab0e | 226 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 227 | * @{ |
mbed_official | 354:e67efb2aab0e | 228 | */ |
mbed_official | 354:e67efb2aab0e | 229 | |
mbed_official | 354:e67efb2aab0e | 230 | /** |
mbed_official | 354:e67efb2aab0e | 231 | * @brief Initializes the DAC peripheral according to the specified parameters |
mbed_official | 354:e67efb2aab0e | 232 | * in the DAC_InitStruct. |
mbed_official | 354:e67efb2aab0e | 233 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 234 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 235 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 236 | */ |
mbed_official | 354:e67efb2aab0e | 237 | HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 238 | { |
mbed_official | 354:e67efb2aab0e | 239 | /* Check DAC handle */ |
mbed_official | 354:e67efb2aab0e | 240 | if(hdac == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 241 | { |
mbed_official | 354:e67efb2aab0e | 242 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 243 | } |
mbed_official | 354:e67efb2aab0e | 244 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 245 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
mbed_official | 354:e67efb2aab0e | 246 | |
mbed_official | 354:e67efb2aab0e | 247 | if(hdac->State == HAL_DAC_STATE_RESET) |
mbed_official | 354:e67efb2aab0e | 248 | { |
mbed_official | 354:e67efb2aab0e | 249 | /* Init the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 250 | HAL_DAC_MspInit(hdac); |
mbed_official | 354:e67efb2aab0e | 251 | } |
mbed_official | 354:e67efb2aab0e | 252 | |
mbed_official | 354:e67efb2aab0e | 253 | /* Initialize the DAC state*/ |
mbed_official | 354:e67efb2aab0e | 254 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 255 | |
mbed_official | 354:e67efb2aab0e | 256 | /* Set DAC error code to none */ |
mbed_official | 354:e67efb2aab0e | 257 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 258 | |
mbed_official | 354:e67efb2aab0e | 259 | /* Initialize the DAC state*/ |
mbed_official | 354:e67efb2aab0e | 260 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 261 | |
mbed_official | 354:e67efb2aab0e | 262 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 263 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 264 | } |
mbed_official | 354:e67efb2aab0e | 265 | |
mbed_official | 354:e67efb2aab0e | 266 | /** |
mbed_official | 354:e67efb2aab0e | 267 | * @brief Deinitializes the DAC peripheral registers to their default reset values. |
mbed_official | 354:e67efb2aab0e | 268 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 269 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 270 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 271 | */ |
mbed_official | 354:e67efb2aab0e | 272 | HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 273 | { |
mbed_official | 354:e67efb2aab0e | 274 | /* Check DAC handle */ |
mbed_official | 354:e67efb2aab0e | 275 | if(hdac == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 276 | { |
mbed_official | 354:e67efb2aab0e | 277 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 278 | } |
mbed_official | 354:e67efb2aab0e | 279 | |
mbed_official | 354:e67efb2aab0e | 280 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 281 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
mbed_official | 354:e67efb2aab0e | 282 | |
mbed_official | 354:e67efb2aab0e | 283 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 284 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 285 | |
mbed_official | 354:e67efb2aab0e | 286 | /* DeInit the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 287 | HAL_DAC_MspDeInit(hdac); |
mbed_official | 354:e67efb2aab0e | 288 | |
mbed_official | 354:e67efb2aab0e | 289 | /* Set DAC error code to none */ |
mbed_official | 354:e67efb2aab0e | 290 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 291 | |
mbed_official | 354:e67efb2aab0e | 292 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 293 | hdac->State = HAL_DAC_STATE_RESET; |
mbed_official | 354:e67efb2aab0e | 294 | |
mbed_official | 354:e67efb2aab0e | 295 | /* Release Lock */ |
mbed_official | 354:e67efb2aab0e | 296 | __HAL_UNLOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 297 | |
mbed_official | 354:e67efb2aab0e | 298 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 299 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 300 | } |
mbed_official | 354:e67efb2aab0e | 301 | |
mbed_official | 354:e67efb2aab0e | 302 | /** |
mbed_official | 354:e67efb2aab0e | 303 | * @brief Initializes the DAC MSP. |
mbed_official | 354:e67efb2aab0e | 304 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 305 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 306 | * @retval None |
mbed_official | 354:e67efb2aab0e | 307 | */ |
mbed_official | 354:e67efb2aab0e | 308 | __weak void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 309 | { |
mbed_official | 354:e67efb2aab0e | 310 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 311 | the HAL_DAC_MspInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 312 | */ |
mbed_official | 354:e67efb2aab0e | 313 | } |
mbed_official | 354:e67efb2aab0e | 314 | |
mbed_official | 354:e67efb2aab0e | 315 | /** |
mbed_official | 354:e67efb2aab0e | 316 | * @brief DeInitializes the DAC MSP. |
mbed_official | 354:e67efb2aab0e | 317 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 318 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 319 | * @retval None |
mbed_official | 354:e67efb2aab0e | 320 | */ |
mbed_official | 354:e67efb2aab0e | 321 | __weak void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 322 | { |
mbed_official | 354:e67efb2aab0e | 323 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 324 | the HAL_DAC_MspDeInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 325 | */ |
mbed_official | 354:e67efb2aab0e | 326 | } |
mbed_official | 354:e67efb2aab0e | 327 | |
mbed_official | 354:e67efb2aab0e | 328 | /** |
mbed_official | 354:e67efb2aab0e | 329 | * @} |
mbed_official | 354:e67efb2aab0e | 330 | */ |
mbed_official | 354:e67efb2aab0e | 331 | |
mbed_official | 354:e67efb2aab0e | 332 | /** @defgroup DAC_Exported_Functions_Group2 IO operation functions |
mbed_official | 354:e67efb2aab0e | 333 | * @brief IO operation functions |
mbed_official | 354:e67efb2aab0e | 334 | * |
mbed_official | 354:e67efb2aab0e | 335 | @verbatim |
mbed_official | 354:e67efb2aab0e | 336 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 337 | ##### IO operation functions ##### |
mbed_official | 354:e67efb2aab0e | 338 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 339 | [..] This section provides functions allowing to: |
mbed_official | 354:e67efb2aab0e | 340 | (+) Start conversion. |
mbed_official | 354:e67efb2aab0e | 341 | (+) Stop conversion. |
mbed_official | 354:e67efb2aab0e | 342 | (+) Start conversion and enable DMA transfer. |
mbed_official | 354:e67efb2aab0e | 343 | (+) Stop conversion and disable DMA transfer. |
mbed_official | 354:e67efb2aab0e | 344 | (+) Get result of conversion. |
mbed_official | 354:e67efb2aab0e | 345 | |
mbed_official | 354:e67efb2aab0e | 346 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 347 | * @{ |
mbed_official | 354:e67efb2aab0e | 348 | */ |
mbed_official | 354:e67efb2aab0e | 349 | |
mbed_official | 354:e67efb2aab0e | 350 | /** |
mbed_official | 354:e67efb2aab0e | 351 | * @brief Enables DAC and starts conversion of channel. |
mbed_official | 354:e67efb2aab0e | 352 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 353 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 354 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 355 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 356 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 357 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 358 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 359 | */ |
mbed_official | 354:e67efb2aab0e | 360 | HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel) |
mbed_official | 354:e67efb2aab0e | 361 | { |
mbed_official | 354:e67efb2aab0e | 362 | uint32_t tmp1 = 0, tmp2 = 0; |
mbed_official | 354:e67efb2aab0e | 363 | |
mbed_official | 354:e67efb2aab0e | 364 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 365 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 366 | |
mbed_official | 354:e67efb2aab0e | 367 | /* Process locked */ |
mbed_official | 354:e67efb2aab0e | 368 | __HAL_LOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 369 | |
mbed_official | 354:e67efb2aab0e | 370 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 371 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 372 | |
mbed_official | 354:e67efb2aab0e | 373 | /* Enable the Peripharal */ |
mbed_official | 354:e67efb2aab0e | 374 | __HAL_DAC_ENABLE(hdac, Channel); |
mbed_official | 354:e67efb2aab0e | 375 | |
mbed_official | 354:e67efb2aab0e | 376 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 377 | { |
mbed_official | 354:e67efb2aab0e | 378 | tmp1 = hdac->Instance->CR & DAC_CR_TEN1; |
mbed_official | 354:e67efb2aab0e | 379 | tmp2 = hdac->Instance->CR & DAC_CR_TSEL1; |
mbed_official | 354:e67efb2aab0e | 380 | /* Check if software trigger enabled */ |
mbed_official | 354:e67efb2aab0e | 381 | if((tmp1 == DAC_CR_TEN1) && (tmp2 == DAC_CR_TSEL1)) |
mbed_official | 354:e67efb2aab0e | 382 | { |
mbed_official | 354:e67efb2aab0e | 383 | /* Enable the selected DAC software conversion */ |
mbed_official | 354:e67efb2aab0e | 384 | SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG1); |
mbed_official | 354:e67efb2aab0e | 385 | } |
mbed_official | 354:e67efb2aab0e | 386 | } |
mbed_official | 354:e67efb2aab0e | 387 | else |
mbed_official | 354:e67efb2aab0e | 388 | { |
mbed_official | 354:e67efb2aab0e | 389 | tmp1 = hdac->Instance->CR & DAC_CR_TEN2; |
mbed_official | 354:e67efb2aab0e | 390 | tmp2 = hdac->Instance->CR & DAC_CR_TSEL2; |
mbed_official | 354:e67efb2aab0e | 391 | /* Check if software trigger enabled */ |
mbed_official | 354:e67efb2aab0e | 392 | if((tmp1 == DAC_CR_TEN2) && (tmp2 == DAC_CR_TSEL2)) |
mbed_official | 354:e67efb2aab0e | 393 | { |
mbed_official | 354:e67efb2aab0e | 394 | /* Enable the selected DAC software conversion*/ |
mbed_official | 354:e67efb2aab0e | 395 | SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG2); |
mbed_official | 354:e67efb2aab0e | 396 | } |
mbed_official | 354:e67efb2aab0e | 397 | } |
mbed_official | 354:e67efb2aab0e | 398 | |
mbed_official | 354:e67efb2aab0e | 399 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 400 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 401 | |
mbed_official | 354:e67efb2aab0e | 402 | /* Process unlocked */ |
mbed_official | 354:e67efb2aab0e | 403 | __HAL_UNLOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 404 | |
mbed_official | 354:e67efb2aab0e | 405 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 406 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 407 | } |
mbed_official | 354:e67efb2aab0e | 408 | |
mbed_official | 354:e67efb2aab0e | 409 | /** |
mbed_official | 354:e67efb2aab0e | 410 | * @brief Disables DAC and stop conversion of channel. |
mbed_official | 354:e67efb2aab0e | 411 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 412 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 413 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 414 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 415 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 416 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 417 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 418 | */ |
mbed_official | 354:e67efb2aab0e | 419 | HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel) |
mbed_official | 354:e67efb2aab0e | 420 | { |
mbed_official | 354:e67efb2aab0e | 421 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 422 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 423 | |
mbed_official | 354:e67efb2aab0e | 424 | /* Disable the Peripheral */ |
mbed_official | 354:e67efb2aab0e | 425 | __HAL_DAC_DISABLE(hdac, Channel); |
mbed_official | 354:e67efb2aab0e | 426 | |
mbed_official | 354:e67efb2aab0e | 427 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 428 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 429 | |
mbed_official | 354:e67efb2aab0e | 430 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 431 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 432 | } |
mbed_official | 354:e67efb2aab0e | 433 | |
mbed_official | 354:e67efb2aab0e | 434 | /** |
mbed_official | 354:e67efb2aab0e | 435 | * @brief Enables DAC and starts conversion of channel. |
mbed_official | 354:e67efb2aab0e | 436 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 437 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 438 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 439 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 440 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 441 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 442 | * @param pData: The destination peripheral Buffer address. |
mbed_official | 354:e67efb2aab0e | 443 | * @param Length: The length of data to be transferred from memory to DAC peripheral |
mbed_official | 354:e67efb2aab0e | 444 | * @param Alignment: Specifies the data alignment for DAC channel. |
mbed_official | 354:e67efb2aab0e | 445 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 446 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
mbed_official | 354:e67efb2aab0e | 447 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
mbed_official | 354:e67efb2aab0e | 448 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
mbed_official | 354:e67efb2aab0e | 449 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 450 | */ |
mbed_official | 354:e67efb2aab0e | 451 | HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment) |
mbed_official | 354:e67efb2aab0e | 452 | { |
mbed_official | 354:e67efb2aab0e | 453 | uint32_t tmpreg = 0; |
mbed_official | 354:e67efb2aab0e | 454 | |
mbed_official | 354:e67efb2aab0e | 455 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 456 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 457 | assert_param(IS_DAC_ALIGN(Alignment)); |
mbed_official | 354:e67efb2aab0e | 458 | |
mbed_official | 354:e67efb2aab0e | 459 | /* Process locked */ |
mbed_official | 354:e67efb2aab0e | 460 | __HAL_LOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 461 | |
mbed_official | 354:e67efb2aab0e | 462 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 463 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 464 | |
mbed_official | 354:e67efb2aab0e | 465 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 466 | { |
mbed_official | 354:e67efb2aab0e | 467 | /* Set the DMA transfer complete callback for channel1 */ |
mbed_official | 354:e67efb2aab0e | 468 | hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1; |
mbed_official | 354:e67efb2aab0e | 469 | |
mbed_official | 354:e67efb2aab0e | 470 | /* Set the DMA half transfer complete callback for channel1 */ |
mbed_official | 354:e67efb2aab0e | 471 | hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1; |
mbed_official | 354:e67efb2aab0e | 472 | |
mbed_official | 354:e67efb2aab0e | 473 | /* Set the DMA error callback for channel1 */ |
mbed_official | 354:e67efb2aab0e | 474 | hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1; |
mbed_official | 354:e67efb2aab0e | 475 | |
mbed_official | 354:e67efb2aab0e | 476 | /* Enable the selected DAC channel1 DMA request */ |
mbed_official | 354:e67efb2aab0e | 477 | SET_BIT(hdac->Instance->CR, DAC_CR_DMAEN1); |
mbed_official | 354:e67efb2aab0e | 478 | |
mbed_official | 354:e67efb2aab0e | 479 | /* Case of use of channel 1 */ |
mbed_official | 354:e67efb2aab0e | 480 | switch(Alignment) |
mbed_official | 354:e67efb2aab0e | 481 | { |
mbed_official | 354:e67efb2aab0e | 482 | case DAC_ALIGN_12B_R: |
mbed_official | 354:e67efb2aab0e | 483 | /* Get DHR12R1 address */ |
mbed_official | 354:e67efb2aab0e | 484 | tmpreg = (uint32_t)&hdac->Instance->DHR12R1; |
mbed_official | 354:e67efb2aab0e | 485 | break; |
mbed_official | 354:e67efb2aab0e | 486 | case DAC_ALIGN_12B_L: |
mbed_official | 354:e67efb2aab0e | 487 | /* Get DHR12L1 address */ |
mbed_official | 354:e67efb2aab0e | 488 | tmpreg = (uint32_t)&hdac->Instance->DHR12L1; |
mbed_official | 354:e67efb2aab0e | 489 | break; |
mbed_official | 354:e67efb2aab0e | 490 | case DAC_ALIGN_8B_R: |
mbed_official | 354:e67efb2aab0e | 491 | /* Get DHR8R1 address */ |
mbed_official | 354:e67efb2aab0e | 492 | tmpreg = (uint32_t)&hdac->Instance->DHR8R1; |
mbed_official | 354:e67efb2aab0e | 493 | break; |
mbed_official | 354:e67efb2aab0e | 494 | default: |
mbed_official | 354:e67efb2aab0e | 495 | break; |
mbed_official | 354:e67efb2aab0e | 496 | } |
mbed_official | 354:e67efb2aab0e | 497 | } |
mbed_official | 354:e67efb2aab0e | 498 | else |
mbed_official | 354:e67efb2aab0e | 499 | { |
mbed_official | 354:e67efb2aab0e | 500 | /* Set the DMA transfer complete callback for channel2 */ |
mbed_official | 354:e67efb2aab0e | 501 | hdac->DMA_Handle2->XferCpltCallback = DAC_DMAConvCpltCh2; |
mbed_official | 354:e67efb2aab0e | 502 | |
mbed_official | 354:e67efb2aab0e | 503 | /* Set the DMA half transfer complete callback for channel2 */ |
mbed_official | 354:e67efb2aab0e | 504 | hdac->DMA_Handle2->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh2; |
mbed_official | 354:e67efb2aab0e | 505 | |
mbed_official | 354:e67efb2aab0e | 506 | /* Set the DMA error callback for channel2 */ |
mbed_official | 354:e67efb2aab0e | 507 | hdac->DMA_Handle2->XferErrorCallback = DAC_DMAErrorCh2; |
mbed_official | 354:e67efb2aab0e | 508 | |
mbed_official | 354:e67efb2aab0e | 509 | /* Enable the selected DAC channel2 DMA request */ |
mbed_official | 354:e67efb2aab0e | 510 | SET_BIT(hdac->Instance->CR, DAC_CR_DMAEN2); |
mbed_official | 354:e67efb2aab0e | 511 | |
mbed_official | 354:e67efb2aab0e | 512 | /* Case of use of channel 2 */ |
mbed_official | 354:e67efb2aab0e | 513 | switch(Alignment) |
mbed_official | 354:e67efb2aab0e | 514 | { |
mbed_official | 354:e67efb2aab0e | 515 | case DAC_ALIGN_12B_R: |
mbed_official | 354:e67efb2aab0e | 516 | /* Get DHR12R2 address */ |
mbed_official | 354:e67efb2aab0e | 517 | tmpreg = (uint32_t)&hdac->Instance->DHR12R2; |
mbed_official | 354:e67efb2aab0e | 518 | break; |
mbed_official | 354:e67efb2aab0e | 519 | case DAC_ALIGN_12B_L: |
mbed_official | 354:e67efb2aab0e | 520 | /* Get DHR12L2 address */ |
mbed_official | 354:e67efb2aab0e | 521 | tmpreg = (uint32_t)&hdac->Instance->DHR12L2; |
mbed_official | 354:e67efb2aab0e | 522 | break; |
mbed_official | 354:e67efb2aab0e | 523 | case DAC_ALIGN_8B_R: |
mbed_official | 354:e67efb2aab0e | 524 | /* Get DHR8R2 address */ |
mbed_official | 354:e67efb2aab0e | 525 | tmpreg = (uint32_t)&hdac->Instance->DHR8R2; |
mbed_official | 354:e67efb2aab0e | 526 | break; |
mbed_official | 354:e67efb2aab0e | 527 | default: |
mbed_official | 354:e67efb2aab0e | 528 | break; |
mbed_official | 354:e67efb2aab0e | 529 | } |
mbed_official | 354:e67efb2aab0e | 530 | } |
mbed_official | 354:e67efb2aab0e | 531 | |
mbed_official | 354:e67efb2aab0e | 532 | /* Enable the DMA Stream */ |
mbed_official | 354:e67efb2aab0e | 533 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 534 | { |
mbed_official | 354:e67efb2aab0e | 535 | /* Enable the DAC DMA underrun interrupt */ |
mbed_official | 354:e67efb2aab0e | 536 | __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1); |
mbed_official | 354:e67efb2aab0e | 537 | |
mbed_official | 354:e67efb2aab0e | 538 | /* Enable the DMA Stream */ |
mbed_official | 354:e67efb2aab0e | 539 | HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length); |
mbed_official | 354:e67efb2aab0e | 540 | } |
mbed_official | 354:e67efb2aab0e | 541 | else |
mbed_official | 354:e67efb2aab0e | 542 | { |
mbed_official | 354:e67efb2aab0e | 543 | /* Enable the DAC DMA underrun interrupt */ |
mbed_official | 354:e67efb2aab0e | 544 | __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR2); |
mbed_official | 354:e67efb2aab0e | 545 | |
mbed_official | 354:e67efb2aab0e | 546 | /* Enable the DMA Stream */ |
mbed_official | 354:e67efb2aab0e | 547 | HAL_DMA_Start_IT(hdac->DMA_Handle2, (uint32_t)pData, tmpreg, Length); |
mbed_official | 354:e67efb2aab0e | 548 | } |
mbed_official | 354:e67efb2aab0e | 549 | |
mbed_official | 354:e67efb2aab0e | 550 | /* Enable the Peripharal */ |
mbed_official | 354:e67efb2aab0e | 551 | __HAL_DAC_ENABLE(hdac, Channel); |
mbed_official | 354:e67efb2aab0e | 552 | |
mbed_official | 354:e67efb2aab0e | 553 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 554 | __HAL_UNLOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 555 | |
mbed_official | 354:e67efb2aab0e | 556 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 557 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 558 | } |
mbed_official | 354:e67efb2aab0e | 559 | |
mbed_official | 354:e67efb2aab0e | 560 | /** |
mbed_official | 354:e67efb2aab0e | 561 | * @brief Disables DAC and stop conversion of channel. |
mbed_official | 354:e67efb2aab0e | 562 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 563 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 564 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 565 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 566 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 567 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 568 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 569 | */ |
mbed_official | 354:e67efb2aab0e | 570 | HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel) |
mbed_official | 354:e67efb2aab0e | 571 | { |
mbed_official | 354:e67efb2aab0e | 572 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 354:e67efb2aab0e | 573 | |
mbed_official | 354:e67efb2aab0e | 574 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 575 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 576 | |
mbed_official | 354:e67efb2aab0e | 577 | /* Disable the selected DAC channel DMA request */ |
mbed_official | 354:e67efb2aab0e | 578 | hdac->Instance->CR &= ~(DAC_CR_DMAEN1 << Channel); |
mbed_official | 354:e67efb2aab0e | 579 | |
mbed_official | 354:e67efb2aab0e | 580 | /* Disable the Peripharal */ |
mbed_official | 354:e67efb2aab0e | 581 | __HAL_DAC_DISABLE(hdac, Channel); |
mbed_official | 354:e67efb2aab0e | 582 | |
mbed_official | 354:e67efb2aab0e | 583 | /* Disable the DMA Channel */ |
mbed_official | 354:e67efb2aab0e | 584 | /* Channel1 is used */ |
mbed_official | 354:e67efb2aab0e | 585 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 586 | { |
mbed_official | 354:e67efb2aab0e | 587 | status = HAL_DMA_Abort(hdac->DMA_Handle1); |
mbed_official | 354:e67efb2aab0e | 588 | } |
mbed_official | 354:e67efb2aab0e | 589 | else /* Channel2 is used for */ |
mbed_official | 354:e67efb2aab0e | 590 | { |
mbed_official | 354:e67efb2aab0e | 591 | status = HAL_DMA_Abort(hdac->DMA_Handle2); |
mbed_official | 354:e67efb2aab0e | 592 | } |
mbed_official | 354:e67efb2aab0e | 593 | |
mbed_official | 354:e67efb2aab0e | 594 | /* Check if DMA Channel effectively disabled */ |
mbed_official | 354:e67efb2aab0e | 595 | if(status != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 596 | { |
mbed_official | 354:e67efb2aab0e | 597 | /* Update ADC state machine to error */ |
mbed_official | 354:e67efb2aab0e | 598 | hdac->State = HAL_DAC_STATE_ERROR; |
mbed_official | 354:e67efb2aab0e | 599 | } |
mbed_official | 354:e67efb2aab0e | 600 | else |
mbed_official | 354:e67efb2aab0e | 601 | { |
mbed_official | 354:e67efb2aab0e | 602 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 603 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 604 | } |
mbed_official | 354:e67efb2aab0e | 605 | |
mbed_official | 354:e67efb2aab0e | 606 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 607 | return status; |
mbed_official | 354:e67efb2aab0e | 608 | } |
mbed_official | 354:e67efb2aab0e | 609 | |
mbed_official | 354:e67efb2aab0e | 610 | /** |
mbed_official | 354:e67efb2aab0e | 611 | * @brief Returns the last data output value of the selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 612 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 613 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 614 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 615 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 616 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 617 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 618 | * @retval The selected DAC channel data output value. |
mbed_official | 354:e67efb2aab0e | 619 | */ |
mbed_official | 354:e67efb2aab0e | 620 | uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel) |
mbed_official | 354:e67efb2aab0e | 621 | { |
mbed_official | 354:e67efb2aab0e | 622 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 623 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 624 | |
mbed_official | 354:e67efb2aab0e | 625 | /* Returns the DAC channel data output register value */ |
mbed_official | 354:e67efb2aab0e | 626 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 627 | { |
mbed_official | 354:e67efb2aab0e | 628 | return hdac->Instance->DOR1; |
mbed_official | 354:e67efb2aab0e | 629 | } |
mbed_official | 354:e67efb2aab0e | 630 | else |
mbed_official | 354:e67efb2aab0e | 631 | { |
mbed_official | 354:e67efb2aab0e | 632 | return hdac->Instance->DOR2; |
mbed_official | 354:e67efb2aab0e | 633 | } |
mbed_official | 354:e67efb2aab0e | 634 | } |
mbed_official | 354:e67efb2aab0e | 635 | |
mbed_official | 354:e67efb2aab0e | 636 | /** |
mbed_official | 354:e67efb2aab0e | 637 | * @brief Handles DAC interrupt request |
mbed_official | 354:e67efb2aab0e | 638 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 639 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 640 | * @retval None |
mbed_official | 354:e67efb2aab0e | 641 | */ |
mbed_official | 354:e67efb2aab0e | 642 | void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 643 | { |
mbed_official | 354:e67efb2aab0e | 644 | /* Check underrun flag of DAC channel 1 */ |
mbed_official | 354:e67efb2aab0e | 645 | if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1)) |
mbed_official | 354:e67efb2aab0e | 646 | { |
mbed_official | 354:e67efb2aab0e | 647 | /* Change DAC state to error state */ |
mbed_official | 354:e67efb2aab0e | 648 | hdac->State = HAL_DAC_STATE_ERROR; |
mbed_official | 354:e67efb2aab0e | 649 | |
mbed_official | 354:e67efb2aab0e | 650 | /* Set DAC error code to chanel1 DMA underrun error */ |
mbed_official | 354:e67efb2aab0e | 651 | hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1; |
mbed_official | 354:e67efb2aab0e | 652 | |
mbed_official | 354:e67efb2aab0e | 653 | /* Clear the underrun flag */ |
mbed_official | 354:e67efb2aab0e | 654 | __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1); |
mbed_official | 354:e67efb2aab0e | 655 | |
mbed_official | 354:e67efb2aab0e | 656 | /* Disable the selected DAC channel1 DMA request */ |
mbed_official | 354:e67efb2aab0e | 657 | hdac->Instance->CR &= ~DAC_CR_DMAEN1; |
mbed_official | 354:e67efb2aab0e | 658 | |
mbed_official | 354:e67efb2aab0e | 659 | /* Error callback */ |
mbed_official | 354:e67efb2aab0e | 660 | HAL_DAC_DMAUnderrunCallbackCh1(hdac); |
mbed_official | 354:e67efb2aab0e | 661 | } |
mbed_official | 354:e67efb2aab0e | 662 | |
mbed_official | 354:e67efb2aab0e | 663 | /* Check underrun flag of DAC channel 2 */ |
mbed_official | 354:e67efb2aab0e | 664 | if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR2)) |
mbed_official | 354:e67efb2aab0e | 665 | { |
mbed_official | 354:e67efb2aab0e | 666 | /* Change DAC state to error state */ |
mbed_official | 354:e67efb2aab0e | 667 | hdac->State = HAL_DAC_STATE_ERROR; |
mbed_official | 354:e67efb2aab0e | 668 | |
mbed_official | 354:e67efb2aab0e | 669 | /* Set DAC error code to channel2 DMA underrun error */ |
mbed_official | 354:e67efb2aab0e | 670 | hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH2; |
mbed_official | 354:e67efb2aab0e | 671 | |
mbed_official | 354:e67efb2aab0e | 672 | /* Clear the underrun flag */ |
mbed_official | 354:e67efb2aab0e | 673 | __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR2); |
mbed_official | 354:e67efb2aab0e | 674 | |
mbed_official | 354:e67efb2aab0e | 675 | /* Disable the selected DAC channel1 DMA request */ |
mbed_official | 354:e67efb2aab0e | 676 | hdac->Instance->CR &= ~DAC_CR_DMAEN2; |
mbed_official | 354:e67efb2aab0e | 677 | |
mbed_official | 354:e67efb2aab0e | 678 | /* Error callback */ |
mbed_official | 354:e67efb2aab0e | 679 | HAL_DACEx_DMAUnderrunCallbackCh2(hdac); |
mbed_official | 354:e67efb2aab0e | 680 | } |
mbed_official | 354:e67efb2aab0e | 681 | } |
mbed_official | 354:e67efb2aab0e | 682 | |
mbed_official | 354:e67efb2aab0e | 683 | /** |
mbed_official | 354:e67efb2aab0e | 684 | * @brief Conversion complete callback in non blocking mode for Channel1 |
mbed_official | 354:e67efb2aab0e | 685 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 686 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 687 | * @retval None |
mbed_official | 354:e67efb2aab0e | 688 | */ |
mbed_official | 354:e67efb2aab0e | 689 | __weak void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 690 | { |
mbed_official | 354:e67efb2aab0e | 691 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 692 | the HAL_DAC_ConvCpltCallbackCh1 could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 693 | */ |
mbed_official | 354:e67efb2aab0e | 694 | } |
mbed_official | 354:e67efb2aab0e | 695 | |
mbed_official | 354:e67efb2aab0e | 696 | /** |
mbed_official | 354:e67efb2aab0e | 697 | * @brief Conversion half DMA transfer callback in non blocking mode for Channel1 |
mbed_official | 354:e67efb2aab0e | 698 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 699 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 700 | * @retval None |
mbed_official | 354:e67efb2aab0e | 701 | */ |
mbed_official | 354:e67efb2aab0e | 702 | __weak void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 703 | { |
mbed_official | 354:e67efb2aab0e | 704 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 705 | the HAL_DAC_ConvHalfCpltCallbackCh1 could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 706 | */ |
mbed_official | 354:e67efb2aab0e | 707 | } |
mbed_official | 354:e67efb2aab0e | 708 | |
mbed_official | 354:e67efb2aab0e | 709 | /** |
mbed_official | 354:e67efb2aab0e | 710 | * @brief Error DAC callback for Channel1. |
mbed_official | 354:e67efb2aab0e | 711 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 712 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 713 | * @retval None |
mbed_official | 354:e67efb2aab0e | 714 | */ |
mbed_official | 354:e67efb2aab0e | 715 | __weak void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac) |
mbed_official | 354:e67efb2aab0e | 716 | { |
mbed_official | 354:e67efb2aab0e | 717 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 718 | the HAL_DAC_ErrorCallbackCh1 could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 719 | */ |
mbed_official | 354:e67efb2aab0e | 720 | } |
mbed_official | 354:e67efb2aab0e | 721 | |
mbed_official | 354:e67efb2aab0e | 722 | /** |
mbed_official | 354:e67efb2aab0e | 723 | * @brief DMA underrun DAC callback for channel1. |
mbed_official | 354:e67efb2aab0e | 724 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 725 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 726 | * @retval None |
mbed_official | 354:e67efb2aab0e | 727 | */ |
mbed_official | 354:e67efb2aab0e | 728 | __weak void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac) |
mbed_official | 354:e67efb2aab0e | 729 | { |
mbed_official | 354:e67efb2aab0e | 730 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 731 | the HAL_DAC_DMAUnderrunCallbackCh1 could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 732 | */ |
mbed_official | 354:e67efb2aab0e | 733 | } |
mbed_official | 354:e67efb2aab0e | 734 | |
mbed_official | 354:e67efb2aab0e | 735 | /** |
mbed_official | 354:e67efb2aab0e | 736 | * @} |
mbed_official | 354:e67efb2aab0e | 737 | */ |
mbed_official | 354:e67efb2aab0e | 738 | |
mbed_official | 354:e67efb2aab0e | 739 | /** @defgroup DAC_Exported_Functions_Group3 Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 740 | * @brief Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 741 | * |
mbed_official | 354:e67efb2aab0e | 742 | @verbatim |
mbed_official | 354:e67efb2aab0e | 743 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 744 | ##### Peripheral Control functions ##### |
mbed_official | 354:e67efb2aab0e | 745 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 746 | [..] This section provides functions allowing to: |
mbed_official | 354:e67efb2aab0e | 747 | (+) Configure channels. |
mbed_official | 354:e67efb2aab0e | 748 | (+) Set the specified data holding register value for DAC channel. |
mbed_official | 354:e67efb2aab0e | 749 | |
mbed_official | 354:e67efb2aab0e | 750 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 751 | * @{ |
mbed_official | 354:e67efb2aab0e | 752 | */ |
mbed_official | 354:e67efb2aab0e | 753 | |
mbed_official | 354:e67efb2aab0e | 754 | /** |
mbed_official | 354:e67efb2aab0e | 755 | * @brief Configures the selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 756 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 757 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 758 | * @param sConfig: DAC configuration structure. |
mbed_official | 354:e67efb2aab0e | 759 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 760 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 761 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 762 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 763 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 764 | */ |
mbed_official | 354:e67efb2aab0e | 765 | HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel) |
mbed_official | 354:e67efb2aab0e | 766 | { |
mbed_official | 354:e67efb2aab0e | 767 | uint32_t tmpreg1 = 0, tmpreg2 = 0; |
mbed_official | 354:e67efb2aab0e | 768 | |
mbed_official | 354:e67efb2aab0e | 769 | /* Check the DAC parameters */ |
mbed_official | 354:e67efb2aab0e | 770 | assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); |
mbed_official | 354:e67efb2aab0e | 771 | assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer)); |
mbed_official | 354:e67efb2aab0e | 772 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 773 | |
mbed_official | 354:e67efb2aab0e | 774 | /* Process locked */ |
mbed_official | 354:e67efb2aab0e | 775 | __HAL_LOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 776 | |
mbed_official | 354:e67efb2aab0e | 777 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 778 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 779 | |
mbed_official | 354:e67efb2aab0e | 780 | /* Get the DAC CR value */ |
mbed_official | 354:e67efb2aab0e | 781 | tmpreg1 = DAC->CR; |
mbed_official | 354:e67efb2aab0e | 782 | /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */ |
mbed_official | 354:e67efb2aab0e | 783 | tmpreg1 &= ~(((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel); |
mbed_official | 354:e67efb2aab0e | 784 | /* Configure for the selected DAC channel: buffer output, trigger */ |
mbed_official | 354:e67efb2aab0e | 785 | /* Set TSELx and TENx bits according to DAC_Trigger value */ |
mbed_official | 354:e67efb2aab0e | 786 | /* Set BOFFx bit according to DAC_OutputBuffer value */ |
mbed_official | 354:e67efb2aab0e | 787 | tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer); |
mbed_official | 354:e67efb2aab0e | 788 | /* Calculate CR register value depending on DAC_Channel */ |
mbed_official | 354:e67efb2aab0e | 789 | tmpreg1 |= tmpreg2 << Channel; |
mbed_official | 354:e67efb2aab0e | 790 | /* Write to DAC CR */ |
mbed_official | 354:e67efb2aab0e | 791 | DAC->CR = tmpreg1; |
mbed_official | 354:e67efb2aab0e | 792 | /* Disable wave generation */ |
mbed_official | 354:e67efb2aab0e | 793 | DAC->CR &= ~(DAC_CR_WAVE1 << Channel); |
mbed_official | 354:e67efb2aab0e | 794 | |
mbed_official | 354:e67efb2aab0e | 795 | /* Change DAC state */ |
mbed_official | 354:e67efb2aab0e | 796 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 797 | |
mbed_official | 354:e67efb2aab0e | 798 | /* Process unlocked */ |
mbed_official | 354:e67efb2aab0e | 799 | __HAL_UNLOCK(hdac); |
mbed_official | 354:e67efb2aab0e | 800 | |
mbed_official | 354:e67efb2aab0e | 801 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 802 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 803 | } |
mbed_official | 354:e67efb2aab0e | 804 | |
mbed_official | 354:e67efb2aab0e | 805 | /** |
mbed_official | 354:e67efb2aab0e | 806 | * @brief Set the specified data holding register value for DAC channel. |
mbed_official | 354:e67efb2aab0e | 807 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 808 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 809 | * @param Channel: The selected DAC channel. |
mbed_official | 354:e67efb2aab0e | 810 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 811 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 354:e67efb2aab0e | 812 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
mbed_official | 354:e67efb2aab0e | 813 | * @param Alignment: Specifies the data alignment. |
mbed_official | 354:e67efb2aab0e | 814 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 815 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
mbed_official | 354:e67efb2aab0e | 816 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
mbed_official | 354:e67efb2aab0e | 817 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
mbed_official | 354:e67efb2aab0e | 818 | * @param Data: Data to be loaded in the selected data holding register. |
mbed_official | 354:e67efb2aab0e | 819 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 820 | */ |
mbed_official | 354:e67efb2aab0e | 821 | HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data) |
mbed_official | 354:e67efb2aab0e | 822 | { |
mbed_official | 354:e67efb2aab0e | 823 | __IO uint32_t tmp = 0; |
mbed_official | 354:e67efb2aab0e | 824 | |
mbed_official | 354:e67efb2aab0e | 825 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 826 | assert_param(IS_DAC_CHANNEL(Channel)); |
mbed_official | 354:e67efb2aab0e | 827 | assert_param(IS_DAC_ALIGN(Alignment)); |
mbed_official | 354:e67efb2aab0e | 828 | assert_param(IS_DAC_DATA(Data)); |
mbed_official | 354:e67efb2aab0e | 829 | |
mbed_official | 354:e67efb2aab0e | 830 | tmp = (uint32_t)hdac->Instance; |
mbed_official | 354:e67efb2aab0e | 831 | if(Channel == DAC_CHANNEL_1) |
mbed_official | 354:e67efb2aab0e | 832 | { |
mbed_official | 354:e67efb2aab0e | 833 | tmp += __HAL_DHR12R1_ALIGNEMENT(Alignment); |
mbed_official | 354:e67efb2aab0e | 834 | } |
mbed_official | 354:e67efb2aab0e | 835 | else |
mbed_official | 354:e67efb2aab0e | 836 | { |
mbed_official | 354:e67efb2aab0e | 837 | tmp += __HAL_DHR12R2_ALIGNEMENT(Alignment); |
mbed_official | 354:e67efb2aab0e | 838 | } |
mbed_official | 354:e67efb2aab0e | 839 | |
mbed_official | 354:e67efb2aab0e | 840 | /* Set the DAC channel selected data holding register */ |
mbed_official | 354:e67efb2aab0e | 841 | *(__IO uint32_t *) tmp = Data; |
mbed_official | 354:e67efb2aab0e | 842 | |
mbed_official | 354:e67efb2aab0e | 843 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 844 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 845 | } |
mbed_official | 354:e67efb2aab0e | 846 | |
mbed_official | 354:e67efb2aab0e | 847 | /** |
mbed_official | 354:e67efb2aab0e | 848 | * @} |
mbed_official | 354:e67efb2aab0e | 849 | */ |
mbed_official | 354:e67efb2aab0e | 850 | |
mbed_official | 354:e67efb2aab0e | 851 | /** @defgroup DAC_Exported_Functions_Group4 Peripheral State and Errors functions |
mbed_official | 354:e67efb2aab0e | 852 | * @brief Peripheral State and Errors functions |
mbed_official | 354:e67efb2aab0e | 853 | * |
mbed_official | 354:e67efb2aab0e | 854 | @verbatim |
mbed_official | 354:e67efb2aab0e | 855 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 856 | ##### Peripheral State and Errors functions ##### |
mbed_official | 354:e67efb2aab0e | 857 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 858 | [..] |
mbed_official | 354:e67efb2aab0e | 859 | This subsection provides functions allowing to |
mbed_official | 354:e67efb2aab0e | 860 | (+) Check the DAC state. |
mbed_official | 354:e67efb2aab0e | 861 | (+) Check the DAC Errors. |
mbed_official | 354:e67efb2aab0e | 862 | |
mbed_official | 354:e67efb2aab0e | 863 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 864 | * @{ |
mbed_official | 354:e67efb2aab0e | 865 | */ |
mbed_official | 354:e67efb2aab0e | 866 | |
mbed_official | 354:e67efb2aab0e | 867 | /** |
mbed_official | 354:e67efb2aab0e | 868 | * @brief return the DAC state |
mbed_official | 354:e67efb2aab0e | 869 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 870 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 871 | * @retval HAL state |
mbed_official | 354:e67efb2aab0e | 872 | */ |
mbed_official | 354:e67efb2aab0e | 873 | HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac) |
mbed_official | 354:e67efb2aab0e | 874 | { |
mbed_official | 354:e67efb2aab0e | 875 | /* Return DAC state */ |
mbed_official | 354:e67efb2aab0e | 876 | return hdac->State; |
mbed_official | 354:e67efb2aab0e | 877 | } |
mbed_official | 354:e67efb2aab0e | 878 | |
mbed_official | 354:e67efb2aab0e | 879 | |
mbed_official | 354:e67efb2aab0e | 880 | /** |
mbed_official | 354:e67efb2aab0e | 881 | * @brief Return the DAC error code |
mbed_official | 354:e67efb2aab0e | 882 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 883 | * the configuration information for the specified DAC. |
mbed_official | 354:e67efb2aab0e | 884 | * @retval DAC Error Code |
mbed_official | 354:e67efb2aab0e | 885 | */ |
mbed_official | 354:e67efb2aab0e | 886 | uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac) |
mbed_official | 354:e67efb2aab0e | 887 | { |
mbed_official | 354:e67efb2aab0e | 888 | return hdac->ErrorCode; |
mbed_official | 354:e67efb2aab0e | 889 | } |
mbed_official | 354:e67efb2aab0e | 890 | |
mbed_official | 354:e67efb2aab0e | 891 | /** |
mbed_official | 354:e67efb2aab0e | 892 | * @} |
mbed_official | 354:e67efb2aab0e | 893 | */ |
mbed_official | 354:e67efb2aab0e | 894 | |
mbed_official | 354:e67efb2aab0e | 895 | /** |
mbed_official | 354:e67efb2aab0e | 896 | * @} |
mbed_official | 354:e67efb2aab0e | 897 | */ |
mbed_official | 354:e67efb2aab0e | 898 | |
mbed_official | 354:e67efb2aab0e | 899 | /** @addtogroup DAC_Private_Functions |
mbed_official | 354:e67efb2aab0e | 900 | * @{ |
mbed_official | 354:e67efb2aab0e | 901 | */ |
mbed_official | 354:e67efb2aab0e | 902 | |
mbed_official | 354:e67efb2aab0e | 903 | /** |
mbed_official | 354:e67efb2aab0e | 904 | * @brief DMA conversion complete callback. |
mbed_official | 354:e67efb2aab0e | 905 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 906 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 907 | * @retval None |
mbed_official | 354:e67efb2aab0e | 908 | */ |
mbed_official | 354:e67efb2aab0e | 909 | static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 910 | { |
mbed_official | 354:e67efb2aab0e | 911 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 912 | |
mbed_official | 354:e67efb2aab0e | 913 | HAL_DAC_ConvCpltCallbackCh1(hdac); |
mbed_official | 354:e67efb2aab0e | 914 | |
mbed_official | 354:e67efb2aab0e | 915 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 916 | } |
mbed_official | 354:e67efb2aab0e | 917 | |
mbed_official | 354:e67efb2aab0e | 918 | /** |
mbed_official | 354:e67efb2aab0e | 919 | * @brief DMA half transfer complete callback. |
mbed_official | 354:e67efb2aab0e | 920 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 921 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 922 | * @retval None |
mbed_official | 354:e67efb2aab0e | 923 | */ |
mbed_official | 354:e67efb2aab0e | 924 | static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 925 | { |
mbed_official | 354:e67efb2aab0e | 926 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 927 | /* Conversion complete callback */ |
mbed_official | 354:e67efb2aab0e | 928 | HAL_DAC_ConvHalfCpltCallbackCh1(hdac); |
mbed_official | 354:e67efb2aab0e | 929 | } |
mbed_official | 354:e67efb2aab0e | 930 | |
mbed_official | 354:e67efb2aab0e | 931 | /** |
mbed_official | 354:e67efb2aab0e | 932 | * @brief DMA error callback |
mbed_official | 354:e67efb2aab0e | 933 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 934 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 935 | * @retval None |
mbed_official | 354:e67efb2aab0e | 936 | */ |
mbed_official | 354:e67efb2aab0e | 937 | static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 938 | { |
mbed_official | 354:e67efb2aab0e | 939 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 940 | |
mbed_official | 354:e67efb2aab0e | 941 | /* Set DAC error code to DMA error */ |
mbed_official | 354:e67efb2aab0e | 942 | hdac->ErrorCode |= HAL_DAC_ERROR_DMA; |
mbed_official | 354:e67efb2aab0e | 943 | |
mbed_official | 354:e67efb2aab0e | 944 | HAL_DAC_ErrorCallbackCh1(hdac); |
mbed_official | 354:e67efb2aab0e | 945 | |
mbed_official | 354:e67efb2aab0e | 946 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 947 | } |
mbed_official | 354:e67efb2aab0e | 948 | |
mbed_official | 354:e67efb2aab0e | 949 | /** |
mbed_official | 354:e67efb2aab0e | 950 | * @} |
mbed_official | 354:e67efb2aab0e | 951 | */ |
mbed_official | 354:e67efb2aab0e | 952 | |
mbed_official | 354:e67efb2aab0e | 953 | #endif /* HAL_DAC_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 954 | |
mbed_official | 354:e67efb2aab0e | 955 | /** |
mbed_official | 354:e67efb2aab0e | 956 | * @} |
mbed_official | 354:e67efb2aab0e | 957 | */ |
mbed_official | 354:e67efb2aab0e | 958 | |
mbed_official | 354:e67efb2aab0e | 959 | /** |
mbed_official | 354:e67efb2aab0e | 960 | * @} |
mbed_official | 354:e67efb2aab0e | 961 | */ |
mbed_official | 354:e67efb2aab0e | 962 | |
mbed_official | 354:e67efb2aab0e | 963 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |