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Fork of mbed-stm32l0/l1-src by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_dac.c@382:ee426a420dbb, 2014-11-03 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Nov 03 10:45:07 2014 +0000
- Revision:
- 382:ee426a420dbb
- Parent:
- targets/cmsis/TARGET_STM/TARGET_DISCO_L053C8/stm32l0xx_hal_dac.c@376:cb4d9db17537
- Child:
- 387:643a59b3dbac
Synchronized with git revision d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83
Full URL: https://github.com/mbedmicro/mbed/commit/d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83/
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 376:cb4d9db17537 | 1 | /** |
mbed_official | 376:cb4d9db17537 | 2 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 3 | * @file stm32l0xx_hal_dac.c |
mbed_official | 376:cb4d9db17537 | 4 | * @author MCD Application Team |
mbed_official | 376:cb4d9db17537 | 5 | * @version V1.1.0 |
mbed_official | 376:cb4d9db17537 | 6 | * @date 18-June-2014 |
mbed_official | 376:cb4d9db17537 | 7 | * @brief DAC HAL module driver. |
mbed_official | 376:cb4d9db17537 | 8 | * |
mbed_official | 376:cb4d9db17537 | 9 | * This file provides firmware functions to manage the following |
mbed_official | 376:cb4d9db17537 | 10 | * functionalities of the Digital to Analog Converter (DAC) peripheral: |
mbed_official | 376:cb4d9db17537 | 11 | * + DAC channels configuration: trigger, output buffer, data format |
mbed_official | 376:cb4d9db17537 | 12 | * + DMA management |
mbed_official | 376:cb4d9db17537 | 13 | * |
mbed_official | 376:cb4d9db17537 | 14 | * |
mbed_official | 376:cb4d9db17537 | 15 | @verbatim |
mbed_official | 376:cb4d9db17537 | 16 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 17 | ##### DAC Peripheral features ##### |
mbed_official | 376:cb4d9db17537 | 18 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 19 | [..] |
mbed_official | 376:cb4d9db17537 | 20 | *** DAC Channels *** |
mbed_official | 376:cb4d9db17537 | 21 | ==================== |
mbed_official | 376:cb4d9db17537 | 22 | [..] |
mbed_official | 376:cb4d9db17537 | 23 | The device integrates 1 12-bit Digital Analog Converters: |
mbed_official | 376:cb4d9db17537 | 24 | (#) DAC channel1 with DAC_OUT1 (PA4) as output |
mbed_official | 376:cb4d9db17537 | 25 | |
mbed_official | 376:cb4d9db17537 | 26 | *** DAC Triggers *** |
mbed_official | 376:cb4d9db17537 | 27 | ==================== |
mbed_official | 376:cb4d9db17537 | 28 | [..] |
mbed_official | 376:cb4d9db17537 | 29 | Digital to Analog conversion can be non-triggered using DAC_Trigger_None |
mbed_official | 376:cb4d9db17537 | 30 | and DAC_OUT1/DAC_OUT2 is available once writing to DHRx register. |
mbed_official | 376:cb4d9db17537 | 31 | [..] |
mbed_official | 376:cb4d9db17537 | 32 | Digital to Analog conversion can be triggered by: |
mbed_official | 376:cb4d9db17537 | 33 | (#) External event: EXTI Line 9 (any GPIOx_Pin9) using DAC_Trigger_Ext_IT9. |
mbed_official | 376:cb4d9db17537 | 34 | The used pin (GPIOx_Pin9) must be configured in input mode. |
mbed_official | 376:cb4d9db17537 | 35 | |
mbed_official | 376:cb4d9db17537 | 36 | (#) Timers TRGO: TIM2, TIM6 and TIM21 |
mbed_official | 376:cb4d9db17537 | 37 | (DAC_Trigger_T2_TRGO, DAC_Trigger_T6_TRGO...) |
mbed_official | 376:cb4d9db17537 | 38 | |
mbed_official | 376:cb4d9db17537 | 39 | (#) Software using DAC_Trigger_Software |
mbed_official | 376:cb4d9db17537 | 40 | |
mbed_official | 376:cb4d9db17537 | 41 | *** DAC Buffer mode feature *** |
mbed_official | 376:cb4d9db17537 | 42 | =============================== |
mbed_official | 376:cb4d9db17537 | 43 | [..] |
mbed_official | 376:cb4d9db17537 | 44 | Each DAC channel integrates an output buffer that can be used to |
mbed_official | 376:cb4d9db17537 | 45 | reduce the output impedance, and to drive external loads directly |
mbed_official | 376:cb4d9db17537 | 46 | without having to add an external operational amplifier. |
mbed_official | 376:cb4d9db17537 | 47 | To enable, the output buffer use |
mbed_official | 376:cb4d9db17537 | 48 | sConfig.DAC_OutputBuffer = DAC_OutputBuffer_Enable; |
mbed_official | 376:cb4d9db17537 | 49 | [..] |
mbed_official | 376:cb4d9db17537 | 50 | (@) Refer to the device datasheet for more details about output |
mbed_official | 376:cb4d9db17537 | 51 | impedance value with and without output buffer. |
mbed_official | 376:cb4d9db17537 | 52 | |
mbed_official | 376:cb4d9db17537 | 53 | *** DAC wave generation feature *** |
mbed_official | 376:cb4d9db17537 | 54 | =================================== |
mbed_official | 376:cb4d9db17537 | 55 | [..] |
mbed_official | 376:cb4d9db17537 | 56 | Both DAC channels can be used to generate |
mbed_official | 376:cb4d9db17537 | 57 | (#) Noise wave using HAL_DAC_NoiseWaveGenerate() |
mbed_official | 376:cb4d9db17537 | 58 | (#) Triangle wave using HAL_DAC_TriangleWaveGenerate() |
mbed_official | 376:cb4d9db17537 | 59 | |
mbed_official | 376:cb4d9db17537 | 60 | *** DAC data format *** |
mbed_official | 376:cb4d9db17537 | 61 | ======================= |
mbed_official | 376:cb4d9db17537 | 62 | [..] |
mbed_official | 376:cb4d9db17537 | 63 | The DAC data format can be: |
mbed_official | 376:cb4d9db17537 | 64 | (#) 8-bit right alignment using DAC_ALIGN_8B_R |
mbed_official | 376:cb4d9db17537 | 65 | (#) 12-bit left alignment using DAC_ALIGN_12B_L |
mbed_official | 376:cb4d9db17537 | 66 | (#) 12-bit right alignment using DAC_ALIGN_12B_R |
mbed_official | 376:cb4d9db17537 | 67 | |
mbed_official | 376:cb4d9db17537 | 68 | *** DAC data value to voltage correspondence *** |
mbed_official | 376:cb4d9db17537 | 69 | ================================================ |
mbed_official | 376:cb4d9db17537 | 70 | [..] |
mbed_official | 376:cb4d9db17537 | 71 | The analog output voltage on each DAC channel pin is determined |
mbed_official | 376:cb4d9db17537 | 72 | by the following equation: |
mbed_official | 376:cb4d9db17537 | 73 | DAC_OUTx = VREF+ * DOR / 4095 |
mbed_official | 376:cb4d9db17537 | 74 | with DOR is the Data Output Register |
mbed_official | 376:cb4d9db17537 | 75 | VEF+ is the input voltage reference (refer to the device datasheet) |
mbed_official | 376:cb4d9db17537 | 76 | e.g. To set DAC_OUT1 to 0.7V, use |
mbed_official | 376:cb4d9db17537 | 77 | Assuming that VREF+ = 3.3V, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V |
mbed_official | 376:cb4d9db17537 | 78 | |
mbed_official | 376:cb4d9db17537 | 79 | *** DMA requests *** |
mbed_official | 376:cb4d9db17537 | 80 | ===================== |
mbed_official | 376:cb4d9db17537 | 81 | [..] |
mbed_official | 376:cb4d9db17537 | 82 | A DMA1 request can be generated when an external trigger (but not |
mbed_official | 376:cb4d9db17537 | 83 | a software trigger) occurs if DMA1 requests are enabled using |
mbed_official | 376:cb4d9db17537 | 84 | HAL_DAC_Start_DMA() |
mbed_official | 376:cb4d9db17537 | 85 | [..] |
mbed_official | 376:cb4d9db17537 | 86 | DMA1 requests are mapped as following: |
mbed_official | 376:cb4d9db17537 | 87 | (#) DAC channel1 : mapped on DMA1 Request9 channel2 which must be |
mbed_official | 376:cb4d9db17537 | 88 | already configured |
mbed_official | 376:cb4d9db17537 | 89 | |
mbed_official | 376:cb4d9db17537 | 90 | |
mbed_official | 376:cb4d9db17537 | 91 | ##### How to use this driver ##### |
mbed_official | 376:cb4d9db17537 | 92 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 93 | [..] |
mbed_official | 376:cb4d9db17537 | 94 | (+) DAC APB clock must be enabled to get write access to DAC |
mbed_official | 376:cb4d9db17537 | 95 | registers using HAL_DAC_Init() |
mbed_official | 376:cb4d9db17537 | 96 | (+) Configure DAC_OUTx (DAC_OUT1: PA4) in analog mode. |
mbed_official | 376:cb4d9db17537 | 97 | (+) Configure the DAC channel using HAL_DAC_ConfigChannel() function. |
mbed_official | 376:cb4d9db17537 | 98 | (+) Enable the DAC channel using HAL_DAC_Start() or HAL_DAC_Start_DMA functions |
mbed_official | 376:cb4d9db17537 | 99 | |
mbed_official | 376:cb4d9db17537 | 100 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 101 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 102 | * @attention |
mbed_official | 376:cb4d9db17537 | 103 | * |
mbed_official | 376:cb4d9db17537 | 104 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 376:cb4d9db17537 | 105 | * |
mbed_official | 376:cb4d9db17537 | 106 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 376:cb4d9db17537 | 107 | * are permitted provided that the following conditions are met: |
mbed_official | 376:cb4d9db17537 | 108 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 376:cb4d9db17537 | 109 | * this list of conditions and the following disclaimer. |
mbed_official | 376:cb4d9db17537 | 110 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 376:cb4d9db17537 | 111 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 376:cb4d9db17537 | 112 | * and/or other materials provided with the distribution. |
mbed_official | 376:cb4d9db17537 | 113 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 376:cb4d9db17537 | 114 | * may be used to endorse or promote products derived from this software |
mbed_official | 376:cb4d9db17537 | 115 | * without specific prior written permission. |
mbed_official | 376:cb4d9db17537 | 116 | * |
mbed_official | 376:cb4d9db17537 | 117 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 376:cb4d9db17537 | 118 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 376:cb4d9db17537 | 119 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 376:cb4d9db17537 | 120 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 376:cb4d9db17537 | 121 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 376:cb4d9db17537 | 122 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 376:cb4d9db17537 | 123 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 376:cb4d9db17537 | 124 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 376:cb4d9db17537 | 125 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 376:cb4d9db17537 | 126 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 376:cb4d9db17537 | 127 | * |
mbed_official | 376:cb4d9db17537 | 128 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 129 | */ |
mbed_official | 376:cb4d9db17537 | 130 | |
mbed_official | 376:cb4d9db17537 | 131 | |
mbed_official | 376:cb4d9db17537 | 132 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 133 | #include "stm32l0xx_hal.h" |
mbed_official | 376:cb4d9db17537 | 134 | |
mbed_official | 376:cb4d9db17537 | 135 | /** @addtogroup STM32L0xx_HAL_Driver |
mbed_official | 376:cb4d9db17537 | 136 | * @{ |
mbed_official | 376:cb4d9db17537 | 137 | */ |
mbed_official | 376:cb4d9db17537 | 138 | |
mbed_official | 376:cb4d9db17537 | 139 | /** @defgroup DAC |
mbed_official | 376:cb4d9db17537 | 140 | * @brief DAC driver modules |
mbed_official | 376:cb4d9db17537 | 141 | * @{ |
mbed_official | 376:cb4d9db17537 | 142 | */ |
mbed_official | 376:cb4d9db17537 | 143 | |
mbed_official | 376:cb4d9db17537 | 144 | #ifdef HAL_DAC_MODULE_ENABLED |
mbed_official | 376:cb4d9db17537 | 145 | #if !defined (STM32L051xx) && !defined (STM32L061xx) |
mbed_official | 376:cb4d9db17537 | 146 | |
mbed_official | 376:cb4d9db17537 | 147 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 148 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 149 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 150 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 151 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 152 | static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 153 | static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 154 | static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 155 | |
mbed_official | 376:cb4d9db17537 | 156 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 157 | |
mbed_official | 376:cb4d9db17537 | 158 | /** @defgroup DAC_Private_Functions |
mbed_official | 376:cb4d9db17537 | 159 | * @{ |
mbed_official | 376:cb4d9db17537 | 160 | */ |
mbed_official | 376:cb4d9db17537 | 161 | |
mbed_official | 376:cb4d9db17537 | 162 | /** @defgroup DAC_Group1 Initialization and de-initialization functions |
mbed_official | 376:cb4d9db17537 | 163 | * @brief Initialization and Configuration functions |
mbed_official | 376:cb4d9db17537 | 164 | * |
mbed_official | 376:cb4d9db17537 | 165 | @verbatim |
mbed_official | 376:cb4d9db17537 | 166 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 167 | ##### Initialization and de-initialization functions ##### |
mbed_official | 376:cb4d9db17537 | 168 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 169 | [..] This section provides functions allowing to: |
mbed_official | 376:cb4d9db17537 | 170 | (+) Initialize and configure the DAC. |
mbed_official | 376:cb4d9db17537 | 171 | (+) De-initialize the DAC. |
mbed_official | 376:cb4d9db17537 | 172 | |
mbed_official | 376:cb4d9db17537 | 173 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 174 | * @{ |
mbed_official | 376:cb4d9db17537 | 175 | */ |
mbed_official | 376:cb4d9db17537 | 176 | |
mbed_official | 376:cb4d9db17537 | 177 | /** |
mbed_official | 376:cb4d9db17537 | 178 | * @brief Initializes the DAC peripheral according to the specified parameters |
mbed_official | 376:cb4d9db17537 | 179 | * in the DAC_InitStruct. |
mbed_official | 376:cb4d9db17537 | 180 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 181 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 182 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 183 | */ |
mbed_official | 376:cb4d9db17537 | 184 | HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 185 | { |
mbed_official | 376:cb4d9db17537 | 186 | /* Check DAC handle */ |
mbed_official | 376:cb4d9db17537 | 187 | if(hdac == NULL) |
mbed_official | 376:cb4d9db17537 | 188 | { |
mbed_official | 376:cb4d9db17537 | 189 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 190 | } |
mbed_official | 376:cb4d9db17537 | 191 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 192 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
mbed_official | 376:cb4d9db17537 | 193 | |
mbed_official | 376:cb4d9db17537 | 194 | if(hdac->State == HAL_DAC_STATE_RESET) |
mbed_official | 376:cb4d9db17537 | 195 | { |
mbed_official | 376:cb4d9db17537 | 196 | /* Init the low level hardware */ |
mbed_official | 376:cb4d9db17537 | 197 | HAL_DAC_MspInit(hdac); |
mbed_official | 376:cb4d9db17537 | 198 | } |
mbed_official | 376:cb4d9db17537 | 199 | |
mbed_official | 376:cb4d9db17537 | 200 | /* Initialize the DAC state*/ |
mbed_official | 376:cb4d9db17537 | 201 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 202 | |
mbed_official | 376:cb4d9db17537 | 203 | /* Set DAC error code to none */ |
mbed_official | 376:cb4d9db17537 | 204 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 205 | |
mbed_official | 376:cb4d9db17537 | 206 | /* Initialize the DAC state*/ |
mbed_official | 376:cb4d9db17537 | 207 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 208 | |
mbed_official | 376:cb4d9db17537 | 209 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 210 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 211 | } |
mbed_official | 376:cb4d9db17537 | 212 | |
mbed_official | 376:cb4d9db17537 | 213 | /** |
mbed_official | 376:cb4d9db17537 | 214 | * @brief Deinitializes the DAC peripheral registers to their default reset values. |
mbed_official | 376:cb4d9db17537 | 215 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 216 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 217 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 218 | */ |
mbed_official | 376:cb4d9db17537 | 219 | HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 220 | { |
mbed_official | 376:cb4d9db17537 | 221 | /* Check DAC handle */ |
mbed_official | 376:cb4d9db17537 | 222 | if(hdac == NULL) |
mbed_official | 376:cb4d9db17537 | 223 | { |
mbed_official | 376:cb4d9db17537 | 224 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 225 | } |
mbed_official | 376:cb4d9db17537 | 226 | |
mbed_official | 376:cb4d9db17537 | 227 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 228 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
mbed_official | 376:cb4d9db17537 | 229 | |
mbed_official | 376:cb4d9db17537 | 230 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 231 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 232 | |
mbed_official | 376:cb4d9db17537 | 233 | /* DeInit the low level hardware */ |
mbed_official | 376:cb4d9db17537 | 234 | HAL_DAC_MspDeInit(hdac); |
mbed_official | 376:cb4d9db17537 | 235 | |
mbed_official | 376:cb4d9db17537 | 236 | /* Set DAC error code to none */ |
mbed_official | 376:cb4d9db17537 | 237 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 238 | |
mbed_official | 376:cb4d9db17537 | 239 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 240 | hdac->State = HAL_DAC_STATE_RESET; |
mbed_official | 376:cb4d9db17537 | 241 | |
mbed_official | 376:cb4d9db17537 | 242 | /* Release Lock */ |
mbed_official | 376:cb4d9db17537 | 243 | __HAL_UNLOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 244 | |
mbed_official | 376:cb4d9db17537 | 245 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 246 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 247 | } |
mbed_official | 376:cb4d9db17537 | 248 | |
mbed_official | 376:cb4d9db17537 | 249 | /** |
mbed_official | 376:cb4d9db17537 | 250 | * @brief Initializes the DAC MSP. |
mbed_official | 376:cb4d9db17537 | 251 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 252 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 253 | * @retval None |
mbed_official | 376:cb4d9db17537 | 254 | */ |
mbed_official | 376:cb4d9db17537 | 255 | __weak void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 256 | { |
mbed_official | 376:cb4d9db17537 | 257 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 258 | the HAL_DAC_MspInit could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 259 | */ |
mbed_official | 376:cb4d9db17537 | 260 | } |
mbed_official | 376:cb4d9db17537 | 261 | |
mbed_official | 376:cb4d9db17537 | 262 | /** |
mbed_official | 376:cb4d9db17537 | 263 | * @brief DeInitializes the DAC MSP. |
mbed_official | 376:cb4d9db17537 | 264 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 265 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 266 | * @retval None |
mbed_official | 376:cb4d9db17537 | 267 | */ |
mbed_official | 376:cb4d9db17537 | 268 | __weak void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 269 | { |
mbed_official | 376:cb4d9db17537 | 270 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 271 | the HAL_DAC_MspDeInit could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 272 | */ |
mbed_official | 376:cb4d9db17537 | 273 | } |
mbed_official | 376:cb4d9db17537 | 274 | |
mbed_official | 376:cb4d9db17537 | 275 | /** |
mbed_official | 376:cb4d9db17537 | 276 | * @} |
mbed_official | 376:cb4d9db17537 | 277 | */ |
mbed_official | 376:cb4d9db17537 | 278 | |
mbed_official | 376:cb4d9db17537 | 279 | /** @defgroup DAC_Group2 I/O operation functions |
mbed_official | 376:cb4d9db17537 | 280 | * @brief I/O operation functions |
mbed_official | 376:cb4d9db17537 | 281 | * |
mbed_official | 376:cb4d9db17537 | 282 | @verbatim |
mbed_official | 376:cb4d9db17537 | 283 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 284 | ##### IO operation functions ##### |
mbed_official | 376:cb4d9db17537 | 285 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 286 | [..] This section provides functions allowing to: |
mbed_official | 376:cb4d9db17537 | 287 | (+) Start conversion. |
mbed_official | 376:cb4d9db17537 | 288 | (+) Stop conversion. |
mbed_official | 376:cb4d9db17537 | 289 | (+) Start conversion and enable DMA transfer. |
mbed_official | 376:cb4d9db17537 | 290 | (+) Stop conversion and disable DMA transfer. |
mbed_official | 376:cb4d9db17537 | 291 | (+) Get result of conversion. |
mbed_official | 376:cb4d9db17537 | 292 | |
mbed_official | 376:cb4d9db17537 | 293 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 294 | * @{ |
mbed_official | 376:cb4d9db17537 | 295 | */ |
mbed_official | 376:cb4d9db17537 | 296 | |
mbed_official | 376:cb4d9db17537 | 297 | /** |
mbed_official | 376:cb4d9db17537 | 298 | * @brief Enables DAC and starts conversion of channel. |
mbed_official | 376:cb4d9db17537 | 299 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 300 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 301 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 302 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 303 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 304 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 305 | */ |
mbed_official | 376:cb4d9db17537 | 306 | HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t channel) |
mbed_official | 376:cb4d9db17537 | 307 | { |
mbed_official | 376:cb4d9db17537 | 308 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 309 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 310 | |
mbed_official | 376:cb4d9db17537 | 311 | /* Process locked */ |
mbed_official | 376:cb4d9db17537 | 312 | __HAL_LOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 313 | |
mbed_official | 376:cb4d9db17537 | 314 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 315 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 316 | |
mbed_official | 376:cb4d9db17537 | 317 | /* Enable the Peripharal */ |
mbed_official | 376:cb4d9db17537 | 318 | __HAL_DAC_ENABLE(hdac, channel); |
mbed_official | 376:cb4d9db17537 | 319 | |
mbed_official | 376:cb4d9db17537 | 320 | /* Check if software trigger enabled */ |
mbed_official | 376:cb4d9db17537 | 321 | if(((hdac->Instance->CR & DAC_CR_TEN1) == DAC_CR_TEN1) && ((hdac->Instance->CR & DAC_CR_TSEL1) == DAC_CR_TSEL1)) |
mbed_official | 376:cb4d9db17537 | 322 | { |
mbed_official | 376:cb4d9db17537 | 323 | /* Enable the selected DAC software conversion */ |
mbed_official | 376:cb4d9db17537 | 324 | hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1; |
mbed_official | 376:cb4d9db17537 | 325 | } |
mbed_official | 376:cb4d9db17537 | 326 | |
mbed_official | 376:cb4d9db17537 | 327 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 328 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 329 | |
mbed_official | 376:cb4d9db17537 | 330 | /* Process unlocked */ |
mbed_official | 376:cb4d9db17537 | 331 | __HAL_UNLOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 332 | |
mbed_official | 376:cb4d9db17537 | 333 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 334 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 335 | } |
mbed_official | 376:cb4d9db17537 | 336 | |
mbed_official | 376:cb4d9db17537 | 337 | /** |
mbed_official | 376:cb4d9db17537 | 338 | * @brief Disables DAC and stop conversion of channel. |
mbed_official | 376:cb4d9db17537 | 339 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 340 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 341 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 342 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 343 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 344 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 345 | */ |
mbed_official | 376:cb4d9db17537 | 346 | HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t channel) |
mbed_official | 376:cb4d9db17537 | 347 | { |
mbed_official | 376:cb4d9db17537 | 348 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 349 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 350 | |
mbed_official | 376:cb4d9db17537 | 351 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 352 | __HAL_DAC_DISABLE(hdac, channel); |
mbed_official | 376:cb4d9db17537 | 353 | |
mbed_official | 376:cb4d9db17537 | 354 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 355 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 356 | |
mbed_official | 376:cb4d9db17537 | 357 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 358 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 359 | } |
mbed_official | 376:cb4d9db17537 | 360 | |
mbed_official | 376:cb4d9db17537 | 361 | /** |
mbed_official | 376:cb4d9db17537 | 362 | * @brief Enables DAC and starts conversion of channel using DMA. |
mbed_official | 376:cb4d9db17537 | 363 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 364 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 365 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 366 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 367 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 368 | * @param pData: The destination peripheral Buffer address. |
mbed_official | 376:cb4d9db17537 | 369 | * @param Length: The length of data to be transferred from memory to DAC peripheral |
mbed_official | 376:cb4d9db17537 | 370 | * @param alignment: Specifies the data alignment for DAC channel. |
mbed_official | 376:cb4d9db17537 | 371 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 372 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
mbed_official | 376:cb4d9db17537 | 373 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
mbed_official | 376:cb4d9db17537 | 374 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
mbed_official | 376:cb4d9db17537 | 375 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 376 | */ |
mbed_official | 376:cb4d9db17537 | 377 | HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t* pData, uint32_t Length, uint32_t alignment) |
mbed_official | 376:cb4d9db17537 | 378 | { |
mbed_official | 376:cb4d9db17537 | 379 | uint32_t tmpreg = 0; |
mbed_official | 376:cb4d9db17537 | 380 | |
mbed_official | 376:cb4d9db17537 | 381 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 382 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 383 | assert_param(IS_DAC_ALIGN(alignment)); |
mbed_official | 376:cb4d9db17537 | 384 | |
mbed_official | 376:cb4d9db17537 | 385 | /* Process locked */ |
mbed_official | 376:cb4d9db17537 | 386 | __HAL_LOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 387 | |
mbed_official | 376:cb4d9db17537 | 388 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 389 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 390 | |
mbed_official | 376:cb4d9db17537 | 391 | /* Set the DMA transfer complete callback for channel1 */ |
mbed_official | 376:cb4d9db17537 | 392 | hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1; |
mbed_official | 376:cb4d9db17537 | 393 | |
mbed_official | 376:cb4d9db17537 | 394 | /* Set the DMA half transfer complete callback for channel1 */ |
mbed_official | 376:cb4d9db17537 | 395 | hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1; |
mbed_official | 376:cb4d9db17537 | 396 | |
mbed_official | 376:cb4d9db17537 | 397 | /* Set the DMA error callback for channel1 */ |
mbed_official | 376:cb4d9db17537 | 398 | hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1; |
mbed_official | 376:cb4d9db17537 | 399 | |
mbed_official | 376:cb4d9db17537 | 400 | /* Enable the selected DAC channel1 DMA request */ |
mbed_official | 376:cb4d9db17537 | 401 | hdac->Instance->CR |= DAC_CR_DMAEN1; |
mbed_official | 376:cb4d9db17537 | 402 | |
mbed_official | 376:cb4d9db17537 | 403 | /* Case of use of channel 1 */ |
mbed_official | 376:cb4d9db17537 | 404 | switch(alignment) |
mbed_official | 376:cb4d9db17537 | 405 | { |
mbed_official | 376:cb4d9db17537 | 406 | case DAC_ALIGN_12B_R: |
mbed_official | 376:cb4d9db17537 | 407 | /* Get DHR12R1 address */ |
mbed_official | 376:cb4d9db17537 | 408 | tmpreg = (uint32_t)&hdac->Instance->DHR12R1; |
mbed_official | 376:cb4d9db17537 | 409 | break; |
mbed_official | 376:cb4d9db17537 | 410 | case DAC_ALIGN_12B_L: |
mbed_official | 376:cb4d9db17537 | 411 | /* Get DHR12L1 address */ |
mbed_official | 376:cb4d9db17537 | 412 | tmpreg = (uint32_t)&hdac->Instance->DHR12L1; |
mbed_official | 376:cb4d9db17537 | 413 | break; |
mbed_official | 376:cb4d9db17537 | 414 | case DAC_ALIGN_8B_R: |
mbed_official | 376:cb4d9db17537 | 415 | /* Get DHR8R1 address */ |
mbed_official | 376:cb4d9db17537 | 416 | tmpreg = (uint32_t)&hdac->Instance->DHR8R1; |
mbed_official | 376:cb4d9db17537 | 417 | break; |
mbed_official | 376:cb4d9db17537 | 418 | default: |
mbed_official | 376:cb4d9db17537 | 419 | break; |
mbed_official | 376:cb4d9db17537 | 420 | } |
mbed_official | 376:cb4d9db17537 | 421 | |
mbed_official | 376:cb4d9db17537 | 422 | /* Enable the DMA Channel */ |
mbed_official | 376:cb4d9db17537 | 423 | /* Enable the DAC DMA underrun interrupt */ |
mbed_official | 376:cb4d9db17537 | 424 | __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1); |
mbed_official | 376:cb4d9db17537 | 425 | |
mbed_official | 376:cb4d9db17537 | 426 | HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length); |
mbed_official | 376:cb4d9db17537 | 427 | |
mbed_official | 376:cb4d9db17537 | 428 | /* Enable the Peripharal */ |
mbed_official | 376:cb4d9db17537 | 429 | __HAL_DAC_ENABLE(hdac, channel); |
mbed_official | 376:cb4d9db17537 | 430 | |
mbed_official | 376:cb4d9db17537 | 431 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 432 | __HAL_UNLOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 433 | |
mbed_official | 376:cb4d9db17537 | 434 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 435 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 436 | } |
mbed_official | 376:cb4d9db17537 | 437 | |
mbed_official | 376:cb4d9db17537 | 438 | /** |
mbed_official | 376:cb4d9db17537 | 439 | * @brief Disables DAC and stop conversion of channel using DMA. |
mbed_official | 376:cb4d9db17537 | 440 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 441 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 442 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 443 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 444 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 445 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 446 | */ |
mbed_official | 376:cb4d9db17537 | 447 | HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t channel) |
mbed_official | 376:cb4d9db17537 | 448 | { |
mbed_official | 376:cb4d9db17537 | 449 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 450 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 451 | |
mbed_official | 376:cb4d9db17537 | 452 | /* Disable the selected DAC channel DMA request */ |
mbed_official | 376:cb4d9db17537 | 453 | hdac->Instance->CR &= ~(DAC_CR_DMAEN1 << channel); |
mbed_official | 376:cb4d9db17537 | 454 | |
mbed_official | 376:cb4d9db17537 | 455 | /* Disable the Peripharal */ |
mbed_official | 376:cb4d9db17537 | 456 | __HAL_DAC_DISABLE(hdac, channel); |
mbed_official | 376:cb4d9db17537 | 457 | |
mbed_official | 376:cb4d9db17537 | 458 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 459 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 460 | |
mbed_official | 376:cb4d9db17537 | 461 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 462 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 463 | } |
mbed_official | 376:cb4d9db17537 | 464 | |
mbed_official | 376:cb4d9db17537 | 465 | /** |
mbed_official | 376:cb4d9db17537 | 466 | * @brief Returns the last data output value of the selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 467 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 468 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 469 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 470 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 471 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 472 | * @retval The selected DAC channel data output value. |
mbed_official | 376:cb4d9db17537 | 473 | */ |
mbed_official | 376:cb4d9db17537 | 474 | uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t channel) |
mbed_official | 376:cb4d9db17537 | 475 | { |
mbed_official | 376:cb4d9db17537 | 476 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 477 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 478 | |
mbed_official | 376:cb4d9db17537 | 479 | /* Returns the DAC channel data output register value */ |
mbed_official | 376:cb4d9db17537 | 480 | return hdac->Instance->DOR1; |
mbed_official | 376:cb4d9db17537 | 481 | } |
mbed_official | 376:cb4d9db17537 | 482 | |
mbed_official | 376:cb4d9db17537 | 483 | /** |
mbed_official | 376:cb4d9db17537 | 484 | * @} |
mbed_official | 376:cb4d9db17537 | 485 | */ |
mbed_official | 376:cb4d9db17537 | 486 | |
mbed_official | 376:cb4d9db17537 | 487 | /** @defgroup DAC_Group3 Peripheral Control functions |
mbed_official | 376:cb4d9db17537 | 488 | * @brief Peripheral Control functions |
mbed_official | 376:cb4d9db17537 | 489 | * |
mbed_official | 376:cb4d9db17537 | 490 | @verbatim |
mbed_official | 376:cb4d9db17537 | 491 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 492 | ##### Peripheral Control functions ##### |
mbed_official | 376:cb4d9db17537 | 493 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 494 | [..] This section provides functions allowing to: |
mbed_official | 376:cb4d9db17537 | 495 | (+) Configure channels. |
mbed_official | 376:cb4d9db17537 | 496 | (+) Set the specified data holding register value for DAC channel. |
mbed_official | 376:cb4d9db17537 | 497 | (+) Set the specified data holding register value for Dual DAC channels. |
mbed_official | 376:cb4d9db17537 | 498 | |
mbed_official | 376:cb4d9db17537 | 499 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 500 | * @{ |
mbed_official | 376:cb4d9db17537 | 501 | */ |
mbed_official | 376:cb4d9db17537 | 502 | |
mbed_official | 376:cb4d9db17537 | 503 | /** |
mbed_official | 376:cb4d9db17537 | 504 | * @brief Configures the selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 505 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 506 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 507 | * @param sConfig: DAC configuration structure. |
mbed_official | 376:cb4d9db17537 | 508 | * @param channel: The selected DAC channel. |
mbed_official | 376:cb4d9db17537 | 509 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 510 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
mbed_official | 376:cb4d9db17537 | 511 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 512 | */ |
mbed_official | 376:cb4d9db17537 | 513 | HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t channel) |
mbed_official | 376:cb4d9db17537 | 514 | { |
mbed_official | 376:cb4d9db17537 | 515 | uint32_t tmpreg1 = 0, tmpreg2 = 0; |
mbed_official | 376:cb4d9db17537 | 516 | |
mbed_official | 376:cb4d9db17537 | 517 | /* Check the DAC parameters */ |
mbed_official | 376:cb4d9db17537 | 518 | assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); |
mbed_official | 376:cb4d9db17537 | 519 | assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer)); |
mbed_official | 376:cb4d9db17537 | 520 | assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); |
mbed_official | 376:cb4d9db17537 | 521 | |
mbed_official | 376:cb4d9db17537 | 522 | /* Process locked */ |
mbed_official | 376:cb4d9db17537 | 523 | __HAL_LOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 524 | |
mbed_official | 376:cb4d9db17537 | 525 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 526 | hdac->State = HAL_DAC_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 527 | |
mbed_official | 376:cb4d9db17537 | 528 | /* Get the DAC CR value */ |
mbed_official | 376:cb4d9db17537 | 529 | tmpreg1 = DAC->CR; |
mbed_official | 376:cb4d9db17537 | 530 | /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */ |
mbed_official | 376:cb4d9db17537 | 531 | tmpreg1 &= ~(((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << channel); |
mbed_official | 376:cb4d9db17537 | 532 | /* Configure for the selected DAC channel: buffer output, trigger */ |
mbed_official | 376:cb4d9db17537 | 533 | /* Set TSELx and TENx bits according to DAC_Trigger value */ |
mbed_official | 376:cb4d9db17537 | 534 | /* Set BOFFx bit according to DAC_OutputBuffer value */ |
mbed_official | 376:cb4d9db17537 | 535 | tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer); |
mbed_official | 376:cb4d9db17537 | 536 | /* Calculate CR register value depending on DAC_Channel */ |
mbed_official | 376:cb4d9db17537 | 537 | tmpreg1 |= tmpreg2 << channel; |
mbed_official | 376:cb4d9db17537 | 538 | /* Write to DAC CR */ |
mbed_official | 376:cb4d9db17537 | 539 | DAC->CR = tmpreg1; |
mbed_official | 376:cb4d9db17537 | 540 | /* Disable wave generation */ |
mbed_official | 376:cb4d9db17537 | 541 | DAC->CR &= ~(DAC_CR_WAVE1 << channel); |
mbed_official | 376:cb4d9db17537 | 542 | |
mbed_official | 376:cb4d9db17537 | 543 | /* Change DAC state */ |
mbed_official | 376:cb4d9db17537 | 544 | hdac->State = HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 545 | |
mbed_official | 376:cb4d9db17537 | 546 | /* Process unlocked */ |
mbed_official | 376:cb4d9db17537 | 547 | __HAL_UNLOCK(hdac); |
mbed_official | 376:cb4d9db17537 | 548 | |
mbed_official | 376:cb4d9db17537 | 549 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 550 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 551 | } |
mbed_official | 376:cb4d9db17537 | 552 | |
mbed_official | 376:cb4d9db17537 | 553 | /** |
mbed_official | 376:cb4d9db17537 | 554 | * @brief Set the specified data holding register value for DAC channel. |
mbed_official | 376:cb4d9db17537 | 555 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 556 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 557 | * @param alignment: Specifies the data alignment for DAC channel1. |
mbed_official | 376:cb4d9db17537 | 558 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 559 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
mbed_official | 376:cb4d9db17537 | 560 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
mbed_official | 376:cb4d9db17537 | 561 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
mbed_official | 376:cb4d9db17537 | 562 | * @param data: Data to be loaded in the selected data holding register. |
mbed_official | 376:cb4d9db17537 | 563 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 564 | */ |
mbed_official | 376:cb4d9db17537 | 565 | HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t alignment, uint32_t data) |
mbed_official | 376:cb4d9db17537 | 566 | { |
mbed_official | 376:cb4d9db17537 | 567 | __IO uint32_t tmp = 0; |
mbed_official | 376:cb4d9db17537 | 568 | |
mbed_official | 376:cb4d9db17537 | 569 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 570 | assert_param(IS_DAC_CHANNEL(channel)); |
mbed_official | 376:cb4d9db17537 | 571 | assert_param(IS_DAC_ALIGN(alignment)); |
mbed_official | 376:cb4d9db17537 | 572 | assert_param(IS_DAC_DATA(data)); |
mbed_official | 376:cb4d9db17537 | 573 | |
mbed_official | 376:cb4d9db17537 | 574 | tmp = (uint32_t)DAC_BASE; |
mbed_official | 376:cb4d9db17537 | 575 | |
mbed_official | 376:cb4d9db17537 | 576 | tmp += __HAL_DHR12R1_ALIGNEMENT(alignment); |
mbed_official | 376:cb4d9db17537 | 577 | |
mbed_official | 376:cb4d9db17537 | 578 | /* Set the DAC channel1 selected data holding register */ |
mbed_official | 376:cb4d9db17537 | 579 | *(__IO uint32_t *) tmp = data; |
mbed_official | 376:cb4d9db17537 | 580 | |
mbed_official | 376:cb4d9db17537 | 581 | /* Return function status */ |
mbed_official | 376:cb4d9db17537 | 582 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 583 | } |
mbed_official | 376:cb4d9db17537 | 584 | |
mbed_official | 376:cb4d9db17537 | 585 | /** |
mbed_official | 376:cb4d9db17537 | 586 | * @} |
mbed_official | 376:cb4d9db17537 | 587 | */ |
mbed_official | 376:cb4d9db17537 | 588 | |
mbed_official | 376:cb4d9db17537 | 589 | /** @defgroup DAC_Group4 DAC Peripheral State functions |
mbed_official | 376:cb4d9db17537 | 590 | * @brief DAC Peripheral State functions |
mbed_official | 376:cb4d9db17537 | 591 | * |
mbed_official | 376:cb4d9db17537 | 592 | @verbatim |
mbed_official | 376:cb4d9db17537 | 593 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 594 | ##### DAC Peripheral State functions ##### |
mbed_official | 376:cb4d9db17537 | 595 | ============================================================================== |
mbed_official | 376:cb4d9db17537 | 596 | [..] |
mbed_official | 376:cb4d9db17537 | 597 | This subsection provides functions allowing to |
mbed_official | 376:cb4d9db17537 | 598 | (+) Check the DAC state. |
mbed_official | 376:cb4d9db17537 | 599 | |
mbed_official | 376:cb4d9db17537 | 600 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 601 | * @{ |
mbed_official | 376:cb4d9db17537 | 602 | */ |
mbed_official | 376:cb4d9db17537 | 603 | |
mbed_official | 376:cb4d9db17537 | 604 | /** |
mbed_official | 376:cb4d9db17537 | 605 | * @brief return the DAC state |
mbed_official | 376:cb4d9db17537 | 606 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 607 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 608 | * @retval HAL state |
mbed_official | 376:cb4d9db17537 | 609 | */ |
mbed_official | 376:cb4d9db17537 | 610 | HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 611 | { |
mbed_official | 376:cb4d9db17537 | 612 | /* Return DAC state */ |
mbed_official | 376:cb4d9db17537 | 613 | return hdac->State; |
mbed_official | 376:cb4d9db17537 | 614 | } |
mbed_official | 376:cb4d9db17537 | 615 | |
mbed_official | 376:cb4d9db17537 | 616 | /** |
mbed_official | 376:cb4d9db17537 | 617 | * @brief Handles DAC interrupt request |
mbed_official | 376:cb4d9db17537 | 618 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 619 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 620 | * @retval None |
mbed_official | 376:cb4d9db17537 | 621 | */ |
mbed_official | 376:cb4d9db17537 | 622 | void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 623 | { |
mbed_official | 376:cb4d9db17537 | 624 | /* Check Overrun flag */ |
mbed_official | 376:cb4d9db17537 | 625 | if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1)) |
mbed_official | 376:cb4d9db17537 | 626 | { |
mbed_official | 376:cb4d9db17537 | 627 | /* Change DAC state to error state */ |
mbed_official | 376:cb4d9db17537 | 628 | hdac->State = HAL_DAC_STATE_ERROR; |
mbed_official | 376:cb4d9db17537 | 629 | |
mbed_official | 376:cb4d9db17537 | 630 | /* Set DAC error code to chanel1 DMA underrun error */ |
mbed_official | 376:cb4d9db17537 | 631 | hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1; |
mbed_official | 376:cb4d9db17537 | 632 | |
mbed_official | 376:cb4d9db17537 | 633 | /* Clear the underrun flag */ |
mbed_official | 376:cb4d9db17537 | 634 | __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1); |
mbed_official | 376:cb4d9db17537 | 635 | |
mbed_official | 376:cb4d9db17537 | 636 | /* Disable the selected DAC channel1 DMA request */ |
mbed_official | 376:cb4d9db17537 | 637 | hdac->Instance->CR &= ~DAC_CR_DMAEN1; |
mbed_official | 376:cb4d9db17537 | 638 | |
mbed_official | 376:cb4d9db17537 | 639 | /* Error callback */ |
mbed_official | 376:cb4d9db17537 | 640 | HAL_DAC_DMAUnderrunCallbackCh1(hdac); |
mbed_official | 376:cb4d9db17537 | 641 | } |
mbed_official | 376:cb4d9db17537 | 642 | } |
mbed_official | 376:cb4d9db17537 | 643 | |
mbed_official | 376:cb4d9db17537 | 644 | /** |
mbed_official | 376:cb4d9db17537 | 645 | * @brief Return the DAC error code |
mbed_official | 376:cb4d9db17537 | 646 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 647 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 648 | * @retval DAC Error Code |
mbed_official | 376:cb4d9db17537 | 649 | */ |
mbed_official | 376:cb4d9db17537 | 650 | uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac) |
mbed_official | 376:cb4d9db17537 | 651 | { |
mbed_official | 376:cb4d9db17537 | 652 | return hdac->ErrorCode; |
mbed_official | 376:cb4d9db17537 | 653 | } |
mbed_official | 376:cb4d9db17537 | 654 | |
mbed_official | 376:cb4d9db17537 | 655 | /** |
mbed_official | 376:cb4d9db17537 | 656 | * @} |
mbed_official | 376:cb4d9db17537 | 657 | */ |
mbed_official | 376:cb4d9db17537 | 658 | |
mbed_official | 376:cb4d9db17537 | 659 | /** |
mbed_official | 376:cb4d9db17537 | 660 | * @brief Conversion complete callback in non blocking mode for Channel1 |
mbed_official | 376:cb4d9db17537 | 661 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 662 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 663 | * @retval None |
mbed_official | 376:cb4d9db17537 | 664 | */ |
mbed_official | 376:cb4d9db17537 | 665 | __weak void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 666 | { |
mbed_official | 376:cb4d9db17537 | 667 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 668 | the HAL_DAC_ConvCpltCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 669 | */ |
mbed_official | 376:cb4d9db17537 | 670 | } |
mbed_official | 376:cb4d9db17537 | 671 | |
mbed_official | 376:cb4d9db17537 | 672 | /** |
mbed_official | 376:cb4d9db17537 | 673 | * @brief Conversion half DMA transfer callback in non blocking mode for Channel1 |
mbed_official | 376:cb4d9db17537 | 674 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 675 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 676 | * @retval None |
mbed_official | 376:cb4d9db17537 | 677 | */ |
mbed_official | 376:cb4d9db17537 | 678 | __weak void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
mbed_official | 376:cb4d9db17537 | 679 | { |
mbed_official | 376:cb4d9db17537 | 680 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 681 | the HAL_DAC_ConvHalfCpltCallbackCh1 could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 682 | */ |
mbed_official | 376:cb4d9db17537 | 683 | } |
mbed_official | 376:cb4d9db17537 | 684 | |
mbed_official | 376:cb4d9db17537 | 685 | /** |
mbed_official | 376:cb4d9db17537 | 686 | * @brief Error DAC callback for Channel1. |
mbed_official | 376:cb4d9db17537 | 687 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 688 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 689 | * @retval None |
mbed_official | 376:cb4d9db17537 | 690 | */ |
mbed_official | 376:cb4d9db17537 | 691 | __weak void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac) |
mbed_official | 376:cb4d9db17537 | 692 | { |
mbed_official | 376:cb4d9db17537 | 693 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 694 | the HAL_DAC_ErrorCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 695 | */ |
mbed_official | 376:cb4d9db17537 | 696 | } |
mbed_official | 376:cb4d9db17537 | 697 | |
mbed_official | 376:cb4d9db17537 | 698 | |
mbed_official | 376:cb4d9db17537 | 699 | /** |
mbed_official | 376:cb4d9db17537 | 700 | * @brief DMA underrun DAC callback for channel1. |
mbed_official | 376:cb4d9db17537 | 701 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 702 | * the configuration information for the specified DAC. |
mbed_official | 376:cb4d9db17537 | 703 | * @retval None |
mbed_official | 376:cb4d9db17537 | 704 | */ |
mbed_official | 376:cb4d9db17537 | 705 | __weak void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac) |
mbed_official | 376:cb4d9db17537 | 706 | { |
mbed_official | 376:cb4d9db17537 | 707 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 708 | the HAL_DAC_DMAUnderrunCallbackCh1 could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 709 | */ |
mbed_official | 376:cb4d9db17537 | 710 | } |
mbed_official | 376:cb4d9db17537 | 711 | |
mbed_official | 376:cb4d9db17537 | 712 | /** |
mbed_official | 376:cb4d9db17537 | 713 | * @brief DMA conversion complete callback. |
mbed_official | 376:cb4d9db17537 | 714 | * @param hdma: pointer to DMA handle. |
mbed_official | 376:cb4d9db17537 | 715 | * @retval None |
mbed_official | 376:cb4d9db17537 | 716 | */ |
mbed_official | 376:cb4d9db17537 | 717 | static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 718 | { |
mbed_official | 376:cb4d9db17537 | 719 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 720 | |
mbed_official | 376:cb4d9db17537 | 721 | HAL_DAC_ConvCpltCallbackCh1(hdac); |
mbed_official | 376:cb4d9db17537 | 722 | |
mbed_official | 376:cb4d9db17537 | 723 | hdac->State= HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 724 | } |
mbed_official | 376:cb4d9db17537 | 725 | |
mbed_official | 376:cb4d9db17537 | 726 | /** |
mbed_official | 376:cb4d9db17537 | 727 | * @brief DMA half transfer complete callback. |
mbed_official | 376:cb4d9db17537 | 728 | * @param hdma: pointer to DMA handle. |
mbed_official | 376:cb4d9db17537 | 729 | * @retval None |
mbed_official | 376:cb4d9db17537 | 730 | */ |
mbed_official | 376:cb4d9db17537 | 731 | static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 732 | { |
mbed_official | 376:cb4d9db17537 | 733 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 734 | |
mbed_official | 376:cb4d9db17537 | 735 | /* Conversion complete callback */ |
mbed_official | 376:cb4d9db17537 | 736 | HAL_DAC_ConvHalfCpltCallbackCh1(hdac); |
mbed_official | 376:cb4d9db17537 | 737 | } |
mbed_official | 376:cb4d9db17537 | 738 | |
mbed_official | 376:cb4d9db17537 | 739 | /** |
mbed_official | 376:cb4d9db17537 | 740 | * @brief DMA error callback |
mbed_official | 376:cb4d9db17537 | 741 | * @param hdma: pointer to DMA handle. |
mbed_official | 376:cb4d9db17537 | 742 | * @retval None |
mbed_official | 376:cb4d9db17537 | 743 | */ |
mbed_official | 376:cb4d9db17537 | 744 | static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 745 | { |
mbed_official | 376:cb4d9db17537 | 746 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 747 | |
mbed_official | 376:cb4d9db17537 | 748 | /* Set DAC error code to DMA error */ |
mbed_official | 376:cb4d9db17537 | 749 | hdac->ErrorCode |= HAL_DAC_ERROR_DMA; |
mbed_official | 376:cb4d9db17537 | 750 | |
mbed_official | 376:cb4d9db17537 | 751 | HAL_DAC_ErrorCallbackCh1(hdac); |
mbed_official | 376:cb4d9db17537 | 752 | |
mbed_official | 376:cb4d9db17537 | 753 | hdac->State= HAL_DAC_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 754 | } |
mbed_official | 376:cb4d9db17537 | 755 | |
mbed_official | 376:cb4d9db17537 | 756 | /** |
mbed_official | 376:cb4d9db17537 | 757 | * @} |
mbed_official | 376:cb4d9db17537 | 758 | */ |
mbed_official | 376:cb4d9db17537 | 759 | #endif /* STM32L051xx && STM32L061xx*/ |
mbed_official | 376:cb4d9db17537 | 760 | #endif /* HAL_DAC_MODULE_ENABLED */ |
mbed_official | 376:cb4d9db17537 | 761 | |
mbed_official | 376:cb4d9db17537 | 762 | /** |
mbed_official | 376:cb4d9db17537 | 763 | * @} |
mbed_official | 376:cb4d9db17537 | 764 | */ |
mbed_official | 376:cb4d9db17537 | 765 | |
mbed_official | 376:cb4d9db17537 | 766 | /** |
mbed_official | 376:cb4d9db17537 | 767 | * @} |
mbed_official | 376:cb4d9db17537 | 768 | */ |
mbed_official | 376:cb4d9db17537 | 769 | |
mbed_official | 376:cb4d9db17537 | 770 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |