fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_dac.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 124:6a4a5b7d7324
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32f1xx_hal_dac.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.0.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 15-December-2014 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief DAC HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Digital to Analog Converter (DAC) peripheral: |
bogdanm | 0:9b334a45a8ff | 10 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 11 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 13 | * + Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 14 | * |
bogdanm | 0:9b334a45a8ff | 15 | * |
bogdanm | 0:9b334a45a8ff | 16 | @verbatim |
bogdanm | 0:9b334a45a8ff | 17 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 18 | ##### DAC Peripheral features ##### |
bogdanm | 0:9b334a45a8ff | 19 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 20 | [..] |
bogdanm | 0:9b334a45a8ff | 21 | *** DAC Channels *** |
bogdanm | 0:9b334a45a8ff | 22 | ==================== |
bogdanm | 0:9b334a45a8ff | 23 | [..] |
bogdanm | 0:9b334a45a8ff | 24 | The device integrates two 12-bit Digital Analog Converters that can |
bogdanm | 0:9b334a45a8ff | 25 | be used independently or simultaneously (dual mode): |
bogdanm | 0:9b334a45a8ff | 26 | (#) DAC channel1 with DAC_OUT1 (PA4) as output |
bogdanm | 0:9b334a45a8ff | 27 | (#) DAC channel2 with DAC_OUT2 (PA5) as output |
bogdanm | 0:9b334a45a8ff | 28 | |
bogdanm | 0:9b334a45a8ff | 29 | *** DAC Triggers *** |
bogdanm | 0:9b334a45a8ff | 30 | ==================== |
bogdanm | 0:9b334a45a8ff | 31 | [..] |
bogdanm | 0:9b334a45a8ff | 32 | Digital to Analog conversion can be non-triggered using DAC_TRIGGER_NONE |
bogdanm | 0:9b334a45a8ff | 33 | and DAC_OUT1/DAC_OUT2 is available once writing to DHRx register. |
bogdanm | 0:9b334a45a8ff | 34 | [..] |
bogdanm | 0:9b334a45a8ff | 35 | Digital to Analog conversion can be triggered by: |
bogdanm | 0:9b334a45a8ff | 36 | (#) External event: EXTI Line 9 (any GPIOx_PIN_9) using DAC_TRIGGER_EXT_IT9. |
bogdanm | 0:9b334a45a8ff | 37 | The used pin (GPIOx_PIN_9) must be configured in input mode. |
bogdanm | 0:9b334a45a8ff | 38 | |
bogdanm | 0:9b334a45a8ff | 39 | (#) Timers TRGO: TIM2, TIM4, TIM6, TIM7 |
bogdanm | 0:9b334a45a8ff | 40 | For STM32F10x connectivity line devices and STM32F100x devices: TIM3 |
bogdanm | 0:9b334a45a8ff | 41 | For STM32F10x high-density and XL-density devices: TIM8 |
bogdanm | 0:9b334a45a8ff | 42 | For STM32F100x high-density value line devices: TIM15 as |
bogdanm | 0:9b334a45a8ff | 43 | replacement of TIM5. |
bogdanm | 0:9b334a45a8ff | 44 | (DAC_TRIGGER_T2_TRGO, DAC_TRIGGER_T4_TRGO...) |
bogdanm | 0:9b334a45a8ff | 45 | |
bogdanm | 0:9b334a45a8ff | 46 | (#) Software using DAC_TRIGGER_SOFTWARE |
bogdanm | 0:9b334a45a8ff | 47 | |
bogdanm | 0:9b334a45a8ff | 48 | *** DAC Buffer mode feature *** |
bogdanm | 0:9b334a45a8ff | 49 | =============================== |
bogdanm | 0:9b334a45a8ff | 50 | [..] |
bogdanm | 0:9b334a45a8ff | 51 | Each DAC channel integrates an output buffer that can be used to |
bogdanm | 0:9b334a45a8ff | 52 | reduce the output impedance, and to drive external loads directly |
bogdanm | 0:9b334a45a8ff | 53 | without having to add an external operational amplifier. |
bogdanm | 0:9b334a45a8ff | 54 | To enable, the output buffer use |
bogdanm | 0:9b334a45a8ff | 55 | sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE; |
bogdanm | 0:9b334a45a8ff | 56 | [..] |
bogdanm | 0:9b334a45a8ff | 57 | (@) Refer to the device datasheet for more details about output |
bogdanm | 0:9b334a45a8ff | 58 | impedance value with and without output buffer. |
bogdanm | 0:9b334a45a8ff | 59 | |
bogdanm | 0:9b334a45a8ff | 60 | *** DAC connect feature *** |
bogdanm | 0:9b334a45a8ff | 61 | =============================== |
bogdanm | 0:9b334a45a8ff | 62 | [..] |
bogdanm | 0:9b334a45a8ff | 63 | Each DAC channel can be connected internally. |
bogdanm | 0:9b334a45a8ff | 64 | To connect, use |
bogdanm | 0:9b334a45a8ff | 65 | sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_ENABLE; |
bogdanm | 0:9b334a45a8ff | 66 | |
bogdanm | 0:9b334a45a8ff | 67 | *** GPIO configurations guidelines *** |
bogdanm | 0:9b334a45a8ff | 68 | ===================== |
bogdanm | 0:9b334a45a8ff | 69 | [..] |
bogdanm | 0:9b334a45a8ff | 70 | When a DAC channel is used (ex channel1 on PA4) and the other is not |
bogdanm | 0:9b334a45a8ff | 71 | (ex channel1 on PA5 is configured in Analog and disabled). |
bogdanm | 0:9b334a45a8ff | 72 | Channel1 may disturb channel2 as coupling effect. |
bogdanm | 0:9b334a45a8ff | 73 | Note that there is no coupling on channel2 as soon as channel2 is turned on. |
bogdanm | 0:9b334a45a8ff | 74 | Coupling on adjacent channel could be avoided as follows: |
bogdanm | 0:9b334a45a8ff | 75 | when unused PA5 is configured as INPUT PULL-UP or DOWN. |
bogdanm | 0:9b334a45a8ff | 76 | PA5 is configured in ANALOG just before it is turned on. |
bogdanm | 0:9b334a45a8ff | 77 | |
bogdanm | 0:9b334a45a8ff | 78 | *** DAC wave generation feature *** |
bogdanm | 0:9b334a45a8ff | 79 | =================================== |
bogdanm | 0:9b334a45a8ff | 80 | [..] |
bogdanm | 0:9b334a45a8ff | 81 | Both DAC channels can be used to generate |
bogdanm | 0:9b334a45a8ff | 82 | (#) Noise wave using HAL_DACEx_NoiseWaveGenerate() |
bogdanm | 0:9b334a45a8ff | 83 | (#) Triangle wave using HAL_DACEx_TriangleWaveGenerate() |
bogdanm | 0:9b334a45a8ff | 84 | |
bogdanm | 0:9b334a45a8ff | 85 | *** DAC data format *** |
bogdanm | 0:9b334a45a8ff | 86 | ======================= |
bogdanm | 0:9b334a45a8ff | 87 | [..] |
bogdanm | 0:9b334a45a8ff | 88 | The DAC data format can be: |
bogdanm | 0:9b334a45a8ff | 89 | (#) 8-bit right alignment using DAC_ALIGN_8B_R |
bogdanm | 0:9b334a45a8ff | 90 | (#) 12-bit left alignment using DAC_ALIGN_12B_L |
bogdanm | 0:9b334a45a8ff | 91 | (#) 12-bit right alignment using DAC_ALIGN_12B_R |
bogdanm | 0:9b334a45a8ff | 92 | |
bogdanm | 0:9b334a45a8ff | 93 | *** DAC data value to voltage correspondance *** |
bogdanm | 0:9b334a45a8ff | 94 | ================================================ |
bogdanm | 0:9b334a45a8ff | 95 | [..] |
bogdanm | 0:9b334a45a8ff | 96 | The analog output voltage on each DAC channel pin is determined |
bogdanm | 0:9b334a45a8ff | 97 | by the following equation: |
bogdanm | 0:9b334a45a8ff | 98 | [..] |
bogdanm | 0:9b334a45a8ff | 99 | DAC_OUTx = VREF+ * DOR / 4095 |
bogdanm | 0:9b334a45a8ff | 100 | (+) with DOR is the Data Output Register |
bogdanm | 0:9b334a45a8ff | 101 | [..] |
bogdanm | 0:9b334a45a8ff | 102 | VEF+ is the input voltage reference (refer to the device datasheet) |
bogdanm | 0:9b334a45a8ff | 103 | [..] |
bogdanm | 0:9b334a45a8ff | 104 | e.g. To set DAC_OUT1 to 0.7V, use |
bogdanm | 0:9b334a45a8ff | 105 | (+) Assuming that VREF+ = 3.3V, DAC_OUT1 = (3.3 * 868) / 4095 = 0.7V |
bogdanm | 0:9b334a45a8ff | 106 | |
bogdanm | 0:9b334a45a8ff | 107 | *** DMA requests *** |
bogdanm | 0:9b334a45a8ff | 108 | ===================== |
bogdanm | 0:9b334a45a8ff | 109 | [..] |
bogdanm | 0:9b334a45a8ff | 110 | A DMA1 request can be generated when an external trigger (but not |
bogdanm | 0:9b334a45a8ff | 111 | a software trigger) occurs if DMA1 requests are enabled using |
bogdanm | 0:9b334a45a8ff | 112 | HAL_DAC_Start_DMA() |
bogdanm | 0:9b334a45a8ff | 113 | [..] |
bogdanm | 0:9b334a45a8ff | 114 | DMA requests are mapped as following: |
bogdanm | 0:9b334a45a8ff | 115 | (#) DAC channel1 : |
bogdanm | 0:9b334a45a8ff | 116 | For STM32F100x low-density, medium-density, high-density with DAC |
bogdanm | 0:9b334a45a8ff | 117 | DMA remap: |
bogdanm | 0:9b334a45a8ff | 118 | mapped on DMA1 channel3 which must be |
bogdanm | 0:9b334a45a8ff | 119 | already configured |
bogdanm | 0:9b334a45a8ff | 120 | For STM32F100x high-density without DAC DMA remap and other |
bogdanm | 0:9b334a45a8ff | 121 | STM32F1 devices: |
bogdanm | 0:9b334a45a8ff | 122 | mapped on DMA2 channel3 which must be |
bogdanm | 0:9b334a45a8ff | 123 | already configured |
bogdanm | 0:9b334a45a8ff | 124 | (#) DAC channel2 : |
bogdanm | 0:9b334a45a8ff | 125 | For STM32F100x low-density, medium-density, high-density with DAC |
bogdanm | 0:9b334a45a8ff | 126 | DMA remap: |
bogdanm | 0:9b334a45a8ff | 127 | mapped on DMA1 channel4 which must be |
bogdanm | 0:9b334a45a8ff | 128 | already configured |
bogdanm | 0:9b334a45a8ff | 129 | For STM32F100x high-density without DAC DMA remap and other |
bogdanm | 0:9b334a45a8ff | 130 | STM32F1 devices: |
bogdanm | 0:9b334a45a8ff | 131 | mapped on DMA2 channel4 which must be |
bogdanm | 0:9b334a45a8ff | 132 | already configured |
bogdanm | 0:9b334a45a8ff | 133 | |
bogdanm | 0:9b334a45a8ff | 134 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 135 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 136 | [..] |
bogdanm | 0:9b334a45a8ff | 137 | (+) DAC APB clock must be enabled to get write access to DAC |
bogdanm | 0:9b334a45a8ff | 138 | registers using HAL_DAC_Init() |
bogdanm | 0:9b334a45a8ff | 139 | (+) Configure DAC_OUTx (DAC_OUT1: PA4, DAC_OUT2: PA5) in analog mode. |
bogdanm | 0:9b334a45a8ff | 140 | (+) Configure the DAC channel using HAL_DAC_ConfigChannel() function. |
bogdanm | 0:9b334a45a8ff | 141 | (+) Enable the DAC channel using HAL_DAC_Start() or HAL_DAC_Start_DMA functions |
bogdanm | 0:9b334a45a8ff | 142 | |
bogdanm | 0:9b334a45a8ff | 143 | *** Polling mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 144 | ================================= |
bogdanm | 0:9b334a45a8ff | 145 | [..] |
bogdanm | 0:9b334a45a8ff | 146 | (+) Start the DAC peripheral using HAL_DAC_Start() |
bogdanm | 0:9b334a45a8ff | 147 | (+) To read the DAC last data output value, use the HAL_DAC_GetValue() function. |
bogdanm | 0:9b334a45a8ff | 148 | (+) Stop the DAC peripheral using HAL_DAC_Stop() |
bogdanm | 0:9b334a45a8ff | 149 | |
bogdanm | 0:9b334a45a8ff | 150 | *** DMA mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 151 | ============================== |
bogdanm | 0:9b334a45a8ff | 152 | [..] |
bogdanm | 0:9b334a45a8ff | 153 | (+) Start the DAC peripheral using HAL_DAC_Start_DMA(), at this stage the user specify the length |
bogdanm | 0:9b334a45a8ff | 154 | of data to be transferred at each end of conversion |
bogdanm | 0:9b334a45a8ff | 155 | (+) At the middle of data transfer HAL_DACEx_ConvHalfCpltCallbackCh1()or HAL_DACEx_ConvHalfCpltCallbackCh2() |
bogdanm | 0:9b334a45a8ff | 156 | function is executed and user can add his own code by customization of function pointer |
bogdanm | 0:9b334a45a8ff | 157 | HAL_DAC_ConvHalfCpltCallbackCh1 or HAL_DAC_ConvHalfCpltCallbackCh2 |
bogdanm | 0:9b334a45a8ff | 158 | (+) At The end of data transfer HAL_DAC_ConvCpltCallbackCh1()or HAL_DAC_ConvCpltCallbackCh2() |
bogdanm | 0:9b334a45a8ff | 159 | function is executed and user can add his own code by customization of function pointer |
bogdanm | 0:9b334a45a8ff | 160 | HAL_DAC_ConvCpltCallbackCh1 or HAL_DAC_ConvCpltCallbackCh2 |
bogdanm | 0:9b334a45a8ff | 161 | (+) In case of transfer Error, HAL_DAC_ErrorCallbackCh1() or HAL_DACEx_ErrorCallbackCh2() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 162 | add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 or HAL_DACEx_ErrorCallbackCh2 |
bogdanm | 0:9b334a45a8ff | 163 | (+) For STM32F100x devices with specific feature: DMA underrun. |
bogdanm | 0:9b334a45a8ff | 164 | In case of DMA underrun, DAC interruption triggers and execute internal function HAL_DAC_IRQHandler. |
bogdanm | 0:9b334a45a8ff | 165 | HAL_DAC_DMAUnderrunCallbackCh1()or HAL_DACEx_DMAUnderrunCallbackCh2() |
bogdanm | 0:9b334a45a8ff | 166 | function is executed and user can add his own code by customization of function pointer |
bogdanm | 0:9b334a45a8ff | 167 | HAL_DAC_DMAUnderrunCallbackCh1 or HAL_DACEx_DMAUnderrunCallbackCh2 |
bogdanm | 0:9b334a45a8ff | 168 | add his own code by customization of function pointer HAL_DAC_ErrorCallbackCh1 |
bogdanm | 0:9b334a45a8ff | 169 | (+) Stop the DAC peripheral using HAL_DAC_Stop_DMA() |
bogdanm | 0:9b334a45a8ff | 170 | |
bogdanm | 0:9b334a45a8ff | 171 | *** DAC HAL driver macros list *** |
bogdanm | 0:9b334a45a8ff | 172 | ============================================= |
bogdanm | 0:9b334a45a8ff | 173 | [..] |
bogdanm | 0:9b334a45a8ff | 174 | Below the list of most used macros in DAC HAL driver. |
bogdanm | 0:9b334a45a8ff | 175 | |
bogdanm | 0:9b334a45a8ff | 176 | (+) __HAL_DAC_ENABLE : Enable the DAC peripheral (For STM32F100x devices with specific feature: DMA underrun) |
bogdanm | 0:9b334a45a8ff | 177 | (+) __HAL_DAC_DISABLE : Disable the DAC peripheral (For STM32F100x devices with specific feature: DMA underrun) |
bogdanm | 0:9b334a45a8ff | 178 | (+) __HAL_DAC_CLEAR_FLAG: Clear the DAC's pending flags (For STM32F100x devices with specific feature: DMA underrun) |
bogdanm | 0:9b334a45a8ff | 179 | (+) __HAL_DAC_GET_FLAG: Get the selected DAC's flag status (For STM32F100x devices with specific feature: DMA underrun) |
bogdanm | 0:9b334a45a8ff | 180 | |
bogdanm | 0:9b334a45a8ff | 181 | [..] |
bogdanm | 0:9b334a45a8ff | 182 | (@) You can refer to the DAC HAL driver header file for more useful macros |
bogdanm | 0:9b334a45a8ff | 183 | |
bogdanm | 0:9b334a45a8ff | 184 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 185 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 186 | * @attention |
bogdanm | 0:9b334a45a8ff | 187 | * |
bogdanm | 0:9b334a45a8ff | 188 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 189 | * |
bogdanm | 0:9b334a45a8ff | 190 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 191 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 192 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 193 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 194 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 195 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 196 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 197 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 198 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 199 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 200 | * |
bogdanm | 0:9b334a45a8ff | 201 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 202 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 203 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 204 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 205 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 206 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 207 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 208 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 209 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 210 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 211 | * |
bogdanm | 0:9b334a45a8ff | 212 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 213 | */ |
bogdanm | 0:9b334a45a8ff | 214 | |
bogdanm | 0:9b334a45a8ff | 215 | |
bogdanm | 0:9b334a45a8ff | 216 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 217 | #include "stm32f1xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 218 | |
bogdanm | 0:9b334a45a8ff | 219 | /** @addtogroup STM32F1xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 220 | * @{ |
bogdanm | 0:9b334a45a8ff | 221 | */ |
bogdanm | 0:9b334a45a8ff | 222 | |
bogdanm | 0:9b334a45a8ff | 223 | /** @defgroup DAC DAC |
bogdanm | 0:9b334a45a8ff | 224 | * @brief DAC driver modules |
bogdanm | 0:9b334a45a8ff | 225 | * @{ |
bogdanm | 0:9b334a45a8ff | 226 | */ |
bogdanm | 0:9b334a45a8ff | 227 | |
bogdanm | 0:9b334a45a8ff | 228 | #ifdef HAL_DAC_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 229 | #if defined (STM32F100xB) || defined (STM32F100xE) || defined (STM32F101xE) || defined (STM32F101xG) || defined (STM32F103xE) || defined (STM32F103xG) || defined (STM32F105xC) || defined (STM32F107xC) |
bogdanm | 0:9b334a45a8ff | 230 | |
bogdanm | 0:9b334a45a8ff | 231 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 232 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 233 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 234 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 235 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 236 | /* Exported functions -------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 237 | |
bogdanm | 0:9b334a45a8ff | 238 | /** @defgroup DAC_Exported_Functions DAC Exported Functions |
bogdanm | 0:9b334a45a8ff | 239 | * @{ |
bogdanm | 0:9b334a45a8ff | 240 | */ |
bogdanm | 0:9b334a45a8ff | 241 | |
bogdanm | 0:9b334a45a8ff | 242 | /** @defgroup DAC_Exported_Functions_Group1 Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 243 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 244 | * |
bogdanm | 0:9b334a45a8ff | 245 | @verbatim |
bogdanm | 0:9b334a45a8ff | 246 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 247 | ##### Initialization and de-initialization functions ##### |
bogdanm | 0:9b334a45a8ff | 248 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 249 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 250 | (+) Initialize and configure the DAC. |
bogdanm | 0:9b334a45a8ff | 251 | (+) De-initialize the DAC. |
bogdanm | 0:9b334a45a8ff | 252 | |
bogdanm | 0:9b334a45a8ff | 253 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 254 | * @{ |
bogdanm | 0:9b334a45a8ff | 255 | */ |
bogdanm | 0:9b334a45a8ff | 256 | |
bogdanm | 0:9b334a45a8ff | 257 | /** |
bogdanm | 0:9b334a45a8ff | 258 | * @brief Initializes the DAC peripheral according to the specified parameters |
bogdanm | 0:9b334a45a8ff | 259 | * in the DAC_InitStruct. |
bogdanm | 0:9b334a45a8ff | 260 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 261 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 262 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 263 | */ |
bogdanm | 0:9b334a45a8ff | 264 | HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 265 | { |
bogdanm | 0:9b334a45a8ff | 266 | /* Check DAC handle */ |
bogdanm | 0:9b334a45a8ff | 267 | if(hdac == NULL) |
bogdanm | 0:9b334a45a8ff | 268 | { |
bogdanm | 0:9b334a45a8ff | 269 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 270 | } |
bogdanm | 0:9b334a45a8ff | 271 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 272 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
bogdanm | 0:9b334a45a8ff | 273 | |
bogdanm | 0:9b334a45a8ff | 274 | if(hdac->State == HAL_DAC_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 275 | { |
bogdanm | 0:9b334a45a8ff | 276 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 277 | hdac-> Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 278 | |
bogdanm | 0:9b334a45a8ff | 279 | /* Init the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 280 | HAL_DAC_MspInit(hdac); |
bogdanm | 0:9b334a45a8ff | 281 | } |
bogdanm | 0:9b334a45a8ff | 282 | |
bogdanm | 0:9b334a45a8ff | 283 | /* Initialize the DAC state*/ |
bogdanm | 0:9b334a45a8ff | 284 | hdac->State = HAL_DAC_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 285 | |
bogdanm | 0:9b334a45a8ff | 286 | /* Set DAC error code to none */ |
bogdanm | 0:9b334a45a8ff | 287 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 288 | |
bogdanm | 0:9b334a45a8ff | 289 | /* Initialize the DAC state*/ |
bogdanm | 0:9b334a45a8ff | 290 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 291 | |
bogdanm | 0:9b334a45a8ff | 292 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 293 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 294 | } |
bogdanm | 0:9b334a45a8ff | 295 | |
bogdanm | 0:9b334a45a8ff | 296 | /** |
bogdanm | 0:9b334a45a8ff | 297 | * @brief Deinitializes the DAC peripheral registers to their default reset values. |
bogdanm | 0:9b334a45a8ff | 298 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 299 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 300 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 301 | */ |
bogdanm | 0:9b334a45a8ff | 302 | HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 303 | { |
bogdanm | 0:9b334a45a8ff | 304 | /* Check DAC handle */ |
bogdanm | 0:9b334a45a8ff | 305 | if(hdac == NULL) |
bogdanm | 0:9b334a45a8ff | 306 | { |
bogdanm | 0:9b334a45a8ff | 307 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 308 | } |
bogdanm | 0:9b334a45a8ff | 309 | |
bogdanm | 0:9b334a45a8ff | 310 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 311 | assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance)); |
bogdanm | 0:9b334a45a8ff | 312 | |
bogdanm | 0:9b334a45a8ff | 313 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 314 | hdac->State = HAL_DAC_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 315 | |
bogdanm | 0:9b334a45a8ff | 316 | /* DeInit the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 317 | HAL_DAC_MspDeInit(hdac); |
bogdanm | 0:9b334a45a8ff | 318 | |
bogdanm | 0:9b334a45a8ff | 319 | /* Set DAC error code to none */ |
bogdanm | 0:9b334a45a8ff | 320 | hdac->ErrorCode = HAL_DAC_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 321 | |
bogdanm | 0:9b334a45a8ff | 322 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 323 | hdac->State = HAL_DAC_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 324 | |
bogdanm | 0:9b334a45a8ff | 325 | /* Release Lock */ |
bogdanm | 0:9b334a45a8ff | 326 | __HAL_UNLOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 327 | |
bogdanm | 0:9b334a45a8ff | 328 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 329 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 330 | } |
bogdanm | 0:9b334a45a8ff | 331 | |
bogdanm | 0:9b334a45a8ff | 332 | /** |
bogdanm | 0:9b334a45a8ff | 333 | * @brief Initializes the DAC MSP. |
bogdanm | 0:9b334a45a8ff | 334 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 335 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 336 | * @retval None |
bogdanm | 0:9b334a45a8ff | 337 | */ |
bogdanm | 0:9b334a45a8ff | 338 | __weak void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 339 | { |
bogdanm | 0:9b334a45a8ff | 340 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 341 | the HAL_DAC_MspInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 342 | */ |
bogdanm | 0:9b334a45a8ff | 343 | } |
bogdanm | 0:9b334a45a8ff | 344 | |
bogdanm | 0:9b334a45a8ff | 345 | /** |
bogdanm | 0:9b334a45a8ff | 346 | * @brief DeInitializes the DAC MSP. |
bogdanm | 0:9b334a45a8ff | 347 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 348 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 349 | * @retval None |
bogdanm | 0:9b334a45a8ff | 350 | */ |
bogdanm | 0:9b334a45a8ff | 351 | __weak void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 352 | { |
bogdanm | 0:9b334a45a8ff | 353 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 354 | the HAL_DAC_MspDeInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 355 | */ |
bogdanm | 0:9b334a45a8ff | 356 | } |
bogdanm | 0:9b334a45a8ff | 357 | |
bogdanm | 0:9b334a45a8ff | 358 | /** |
bogdanm | 0:9b334a45a8ff | 359 | * @} |
bogdanm | 0:9b334a45a8ff | 360 | */ |
bogdanm | 0:9b334a45a8ff | 361 | |
bogdanm | 0:9b334a45a8ff | 362 | /** @defgroup DAC_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 363 | * @brief IO operation functions |
bogdanm | 0:9b334a45a8ff | 364 | * |
bogdanm | 0:9b334a45a8ff | 365 | @verbatim |
bogdanm | 0:9b334a45a8ff | 366 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 367 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 368 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 369 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 370 | (+) Start conversion. |
bogdanm | 0:9b334a45a8ff | 371 | (+) Stop conversion. |
bogdanm | 0:9b334a45a8ff | 372 | (+) Start conversion and enable DMA transfer. |
bogdanm | 0:9b334a45a8ff | 373 | (+) Stop conversion and disable DMA transfer. |
bogdanm | 0:9b334a45a8ff | 374 | (+) Get result of conversion. |
bogdanm | 0:9b334a45a8ff | 375 | |
bogdanm | 0:9b334a45a8ff | 376 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 377 | * @{ |
bogdanm | 0:9b334a45a8ff | 378 | */ |
bogdanm | 0:9b334a45a8ff | 379 | |
bogdanm | 0:9b334a45a8ff | 380 | /** |
bogdanm | 0:9b334a45a8ff | 381 | * @brief Enables DAC and starts conversion of channel. |
bogdanm | 0:9b334a45a8ff | 382 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 383 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 384 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 385 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 386 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 387 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 388 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 389 | */ |
bogdanm | 0:9b334a45a8ff | 390 | HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel) |
bogdanm | 0:9b334a45a8ff | 391 | { |
bogdanm | 0:9b334a45a8ff | 392 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 393 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 394 | |
bogdanm | 0:9b334a45a8ff | 395 | /* Process locked */ |
bogdanm | 0:9b334a45a8ff | 396 | __HAL_LOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 397 | |
bogdanm | 0:9b334a45a8ff | 398 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 399 | hdac->State = HAL_DAC_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 400 | |
bogdanm | 0:9b334a45a8ff | 401 | /* Enable the Peripharal */ |
bogdanm | 0:9b334a45a8ff | 402 | __HAL_DAC_ENABLE(hdac, Channel); |
bogdanm | 0:9b334a45a8ff | 403 | |
bogdanm | 0:9b334a45a8ff | 404 | if(Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 405 | { |
bogdanm | 0:9b334a45a8ff | 406 | /* Check if software trigger enabled */ |
bogdanm | 0:9b334a45a8ff | 407 | if(HAL_IS_BIT_SET(hdac->Instance->CR, (DAC_CR_TEN1 | DAC_CR_TSEL1))) |
bogdanm | 0:9b334a45a8ff | 408 | { |
bogdanm | 0:9b334a45a8ff | 409 | /* Enable the selected DAC software conversion */ |
bogdanm | 0:9b334a45a8ff | 410 | SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG1); |
bogdanm | 0:9b334a45a8ff | 411 | } |
bogdanm | 0:9b334a45a8ff | 412 | } |
bogdanm | 0:9b334a45a8ff | 413 | else |
bogdanm | 0:9b334a45a8ff | 414 | { |
bogdanm | 0:9b334a45a8ff | 415 | /* Check if software trigger enabled */ |
bogdanm | 0:9b334a45a8ff | 416 | if(HAL_IS_BIT_SET(hdac->Instance->CR, (DAC_CR_TEN2 | DAC_CR_TSEL2))) |
bogdanm | 0:9b334a45a8ff | 417 | { |
bogdanm | 0:9b334a45a8ff | 418 | /* Enable the selected DAC software conversion*/ |
bogdanm | 0:9b334a45a8ff | 419 | SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG2); |
bogdanm | 0:9b334a45a8ff | 420 | } |
bogdanm | 0:9b334a45a8ff | 421 | } |
bogdanm | 0:9b334a45a8ff | 422 | |
bogdanm | 0:9b334a45a8ff | 423 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 424 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 425 | |
bogdanm | 0:9b334a45a8ff | 426 | /* Process unlocked */ |
bogdanm | 0:9b334a45a8ff | 427 | __HAL_UNLOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 428 | |
bogdanm | 0:9b334a45a8ff | 429 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 430 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 431 | } |
bogdanm | 0:9b334a45a8ff | 432 | |
bogdanm | 0:9b334a45a8ff | 433 | /** |
bogdanm | 0:9b334a45a8ff | 434 | * @brief Disables DAC and stop conversion of channel. |
bogdanm | 0:9b334a45a8ff | 435 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 436 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 437 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 438 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 439 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 440 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 441 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 442 | */ |
bogdanm | 0:9b334a45a8ff | 443 | HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel) |
bogdanm | 0:9b334a45a8ff | 444 | { |
bogdanm | 0:9b334a45a8ff | 445 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 446 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 447 | |
bogdanm | 0:9b334a45a8ff | 448 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 449 | __HAL_DAC_DISABLE(hdac, Channel); |
bogdanm | 0:9b334a45a8ff | 450 | |
bogdanm | 0:9b334a45a8ff | 451 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 452 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 453 | |
bogdanm | 0:9b334a45a8ff | 454 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 455 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 456 | } |
bogdanm | 0:9b334a45a8ff | 457 | |
bogdanm | 0:9b334a45a8ff | 458 | /** |
bogdanm | 0:9b334a45a8ff | 459 | * @brief Enables DAC and starts conversion of channel. |
bogdanm | 0:9b334a45a8ff | 460 | * Note: For STM32F100x devices with specific feature: DMA underrun. |
bogdanm | 0:9b334a45a8ff | 461 | * On these devices, this function enables the interruption of DMA |
bogdanm | 0:9b334a45a8ff | 462 | * underrun. |
bogdanm | 0:9b334a45a8ff | 463 | * (refer to redefinition of this function in DAC extended file) |
bogdanm | 0:9b334a45a8ff | 464 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 465 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 466 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 467 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 468 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 469 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 470 | * @param pData: The destination peripheral Buffer address. |
bogdanm | 0:9b334a45a8ff | 471 | * @param Length: The length of data to be transferred from memory to DAC peripheral |
bogdanm | 0:9b334a45a8ff | 472 | * @param Alignment: Specifies the data alignment for DAC channel. |
bogdanm | 0:9b334a45a8ff | 473 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 474 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
bogdanm | 0:9b334a45a8ff | 475 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
bogdanm | 0:9b334a45a8ff | 476 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
bogdanm | 0:9b334a45a8ff | 477 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 478 | */ |
bogdanm | 0:9b334a45a8ff | 479 | __weak HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment) |
bogdanm | 0:9b334a45a8ff | 480 | { |
bogdanm | 0:9b334a45a8ff | 481 | uint32_t tmpreg = 0; |
bogdanm | 0:9b334a45a8ff | 482 | |
bogdanm | 0:9b334a45a8ff | 483 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 484 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 485 | assert_param(IS_DAC_ALIGN(Alignment)); |
bogdanm | 0:9b334a45a8ff | 486 | |
bogdanm | 0:9b334a45a8ff | 487 | /* Process locked */ |
bogdanm | 0:9b334a45a8ff | 488 | __HAL_LOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 489 | |
bogdanm | 0:9b334a45a8ff | 490 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 491 | hdac->State = HAL_DAC_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 492 | |
bogdanm | 0:9b334a45a8ff | 493 | if(Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 494 | { |
bogdanm | 0:9b334a45a8ff | 495 | /* Set the DMA transfer complete callback for channel1 */ |
bogdanm | 0:9b334a45a8ff | 496 | hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1; |
bogdanm | 0:9b334a45a8ff | 497 | |
bogdanm | 0:9b334a45a8ff | 498 | /* Set the DMA half transfer complete callback for channel1 */ |
bogdanm | 0:9b334a45a8ff | 499 | hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1; |
bogdanm | 0:9b334a45a8ff | 500 | |
bogdanm | 0:9b334a45a8ff | 501 | /* Set the DMA error callback for channel1 */ |
bogdanm | 0:9b334a45a8ff | 502 | hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1; |
bogdanm | 0:9b334a45a8ff | 503 | |
bogdanm | 0:9b334a45a8ff | 504 | /* Enable the selected DAC channel1 DMA request */ |
bogdanm | 0:9b334a45a8ff | 505 | SET_BIT(hdac->Instance->CR, DAC_CR_DMAEN1); |
bogdanm | 0:9b334a45a8ff | 506 | |
bogdanm | 0:9b334a45a8ff | 507 | /* Case of use of channel 1 */ |
bogdanm | 0:9b334a45a8ff | 508 | switch(Alignment) |
bogdanm | 0:9b334a45a8ff | 509 | { |
bogdanm | 0:9b334a45a8ff | 510 | case DAC_ALIGN_12B_R: |
bogdanm | 0:9b334a45a8ff | 511 | /* Get DHR12R1 address */ |
bogdanm | 0:9b334a45a8ff | 512 | tmpreg = (uint32_t)&hdac->Instance->DHR12R1; |
bogdanm | 0:9b334a45a8ff | 513 | break; |
bogdanm | 0:9b334a45a8ff | 514 | case DAC_ALIGN_12B_L: |
bogdanm | 0:9b334a45a8ff | 515 | /* Get DHR12L1 address */ |
bogdanm | 0:9b334a45a8ff | 516 | tmpreg = (uint32_t)&hdac->Instance->DHR12L1; |
bogdanm | 0:9b334a45a8ff | 517 | break; |
bogdanm | 0:9b334a45a8ff | 518 | case DAC_ALIGN_8B_R: |
bogdanm | 0:9b334a45a8ff | 519 | /* Get DHR8R1 address */ |
bogdanm | 0:9b334a45a8ff | 520 | tmpreg = (uint32_t)&hdac->Instance->DHR8R1; |
bogdanm | 0:9b334a45a8ff | 521 | break; |
bogdanm | 0:9b334a45a8ff | 522 | default: |
bogdanm | 0:9b334a45a8ff | 523 | break; |
bogdanm | 0:9b334a45a8ff | 524 | } |
bogdanm | 0:9b334a45a8ff | 525 | } |
bogdanm | 0:9b334a45a8ff | 526 | else |
bogdanm | 0:9b334a45a8ff | 527 | { |
bogdanm | 0:9b334a45a8ff | 528 | /* Set the DMA transfer complete callback for channel2 */ |
bogdanm | 0:9b334a45a8ff | 529 | hdac->DMA_Handle2->XferCpltCallback = DAC_DMAConvCpltCh2; |
bogdanm | 0:9b334a45a8ff | 530 | |
bogdanm | 0:9b334a45a8ff | 531 | /* Set the DMA half transfer complete callback for channel2 */ |
bogdanm | 0:9b334a45a8ff | 532 | hdac->DMA_Handle2->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh2; |
bogdanm | 0:9b334a45a8ff | 533 | |
bogdanm | 0:9b334a45a8ff | 534 | /* Set the DMA error callback for channel2 */ |
bogdanm | 0:9b334a45a8ff | 535 | hdac->DMA_Handle2->XferErrorCallback = DAC_DMAErrorCh2; |
bogdanm | 0:9b334a45a8ff | 536 | |
bogdanm | 0:9b334a45a8ff | 537 | /* Enable the selected DAC channel2 DMA request */ |
bogdanm | 0:9b334a45a8ff | 538 | SET_BIT(hdac->Instance->CR, DAC_CR_DMAEN2); |
bogdanm | 0:9b334a45a8ff | 539 | |
bogdanm | 0:9b334a45a8ff | 540 | /* Case of use of channel 2 */ |
bogdanm | 0:9b334a45a8ff | 541 | switch(Alignment) |
bogdanm | 0:9b334a45a8ff | 542 | { |
bogdanm | 0:9b334a45a8ff | 543 | case DAC_ALIGN_12B_R: |
bogdanm | 0:9b334a45a8ff | 544 | /* Get DHR12R2 address */ |
bogdanm | 0:9b334a45a8ff | 545 | tmpreg = (uint32_t)&hdac->Instance->DHR12R2; |
bogdanm | 0:9b334a45a8ff | 546 | break; |
bogdanm | 0:9b334a45a8ff | 547 | case DAC_ALIGN_12B_L: |
bogdanm | 0:9b334a45a8ff | 548 | /* Get DHR12L2 address */ |
bogdanm | 0:9b334a45a8ff | 549 | tmpreg = (uint32_t)&hdac->Instance->DHR12L2; |
bogdanm | 0:9b334a45a8ff | 550 | break; |
bogdanm | 0:9b334a45a8ff | 551 | case DAC_ALIGN_8B_R: |
bogdanm | 0:9b334a45a8ff | 552 | /* Get DHR8R2 address */ |
bogdanm | 0:9b334a45a8ff | 553 | tmpreg = (uint32_t)&hdac->Instance->DHR8R2; |
bogdanm | 0:9b334a45a8ff | 554 | break; |
bogdanm | 0:9b334a45a8ff | 555 | default: |
bogdanm | 0:9b334a45a8ff | 556 | break; |
bogdanm | 0:9b334a45a8ff | 557 | } |
bogdanm | 0:9b334a45a8ff | 558 | } |
bogdanm | 0:9b334a45a8ff | 559 | |
bogdanm | 0:9b334a45a8ff | 560 | /* Enable the DMA channel */ |
bogdanm | 0:9b334a45a8ff | 561 | if(Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 562 | { |
bogdanm | 0:9b334a45a8ff | 563 | /* Enable the DMA channel */ |
bogdanm | 0:9b334a45a8ff | 564 | HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length); |
bogdanm | 0:9b334a45a8ff | 565 | } |
bogdanm | 0:9b334a45a8ff | 566 | else |
bogdanm | 0:9b334a45a8ff | 567 | { |
bogdanm | 0:9b334a45a8ff | 568 | /* Enable the DMA channel */ |
bogdanm | 0:9b334a45a8ff | 569 | HAL_DMA_Start_IT(hdac->DMA_Handle2, (uint32_t)pData, tmpreg, Length); |
bogdanm | 0:9b334a45a8ff | 570 | } |
bogdanm | 0:9b334a45a8ff | 571 | |
bogdanm | 0:9b334a45a8ff | 572 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 573 | __HAL_UNLOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 574 | |
bogdanm | 0:9b334a45a8ff | 575 | /* Enable the Peripharal */ |
bogdanm | 0:9b334a45a8ff | 576 | __HAL_DAC_ENABLE(hdac, Channel); |
bogdanm | 0:9b334a45a8ff | 577 | |
bogdanm | 0:9b334a45a8ff | 578 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 579 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 580 | } |
bogdanm | 0:9b334a45a8ff | 581 | |
bogdanm | 0:9b334a45a8ff | 582 | /** |
bogdanm | 0:9b334a45a8ff | 583 | * @brief Disables DAC and stop conversion of channel. |
bogdanm | 0:9b334a45a8ff | 584 | * Note: For STM32F100x devices with specific feature: DMA underrun. |
bogdanm | 0:9b334a45a8ff | 585 | * On these devices, this function disables the interruption of DMA |
bogdanm | 0:9b334a45a8ff | 586 | * underrun. |
bogdanm | 0:9b334a45a8ff | 587 | * (refer to redefinition of this function in DAC extended file) |
bogdanm | 0:9b334a45a8ff | 588 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 589 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 590 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 591 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 592 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 593 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 594 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 595 | */ |
bogdanm | 0:9b334a45a8ff | 596 | __weak HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel) |
bogdanm | 0:9b334a45a8ff | 597 | { |
bogdanm | 0:9b334a45a8ff | 598 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 599 | |
bogdanm | 0:9b334a45a8ff | 600 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 601 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 602 | |
bogdanm | 0:9b334a45a8ff | 603 | /* Disable the selected DAC channel DMA request */ |
bogdanm | 0:9b334a45a8ff | 604 | CLEAR_BIT(hdac->Instance->CR, DAC_CR_DMAEN1 << Channel); |
bogdanm | 0:9b334a45a8ff | 605 | |
bogdanm | 0:9b334a45a8ff | 606 | /* Disable the Peripharal */ |
bogdanm | 0:9b334a45a8ff | 607 | __HAL_DAC_DISABLE(hdac, Channel); |
bogdanm | 0:9b334a45a8ff | 608 | |
bogdanm | 0:9b334a45a8ff | 609 | /* Disable the DMA Channel */ |
bogdanm | 0:9b334a45a8ff | 610 | /* Channel1 is used */ |
bogdanm | 0:9b334a45a8ff | 611 | if (Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 612 | { |
bogdanm | 0:9b334a45a8ff | 613 | status = HAL_DMA_Abort(hdac->DMA_Handle1); |
bogdanm | 0:9b334a45a8ff | 614 | } |
bogdanm | 0:9b334a45a8ff | 615 | else /* Channel2 is used for */ |
bogdanm | 0:9b334a45a8ff | 616 | { |
bogdanm | 0:9b334a45a8ff | 617 | status = HAL_DMA_Abort(hdac->DMA_Handle2); |
bogdanm | 0:9b334a45a8ff | 618 | } |
bogdanm | 0:9b334a45a8ff | 619 | |
bogdanm | 0:9b334a45a8ff | 620 | /* Check if DMA Channel effectively disabled */ |
bogdanm | 0:9b334a45a8ff | 621 | if (status != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 622 | { |
bogdanm | 0:9b334a45a8ff | 623 | /* Update ADC state machine to error */ |
bogdanm | 0:9b334a45a8ff | 624 | hdac->State = HAL_DAC_STATE_ERROR; |
bogdanm | 0:9b334a45a8ff | 625 | } |
bogdanm | 0:9b334a45a8ff | 626 | else |
bogdanm | 0:9b334a45a8ff | 627 | { |
bogdanm | 0:9b334a45a8ff | 628 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 629 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 630 | } |
bogdanm | 0:9b334a45a8ff | 631 | |
bogdanm | 0:9b334a45a8ff | 632 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 633 | return status; |
bogdanm | 0:9b334a45a8ff | 634 | } |
bogdanm | 0:9b334a45a8ff | 635 | |
bogdanm | 0:9b334a45a8ff | 636 | /** |
bogdanm | 0:9b334a45a8ff | 637 | * @brief Returns the last data output value of the selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 638 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 639 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 640 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 641 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 642 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 643 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 644 | * @retval The selected DAC channel data output value. |
bogdanm | 0:9b334a45a8ff | 645 | */ |
bogdanm | 0:9b334a45a8ff | 646 | uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel) |
bogdanm | 0:9b334a45a8ff | 647 | { |
bogdanm | 0:9b334a45a8ff | 648 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 649 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 650 | |
bogdanm | 0:9b334a45a8ff | 651 | /* Returns the DAC channel data output register value */ |
bogdanm | 0:9b334a45a8ff | 652 | if(Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 653 | { |
bogdanm | 0:9b334a45a8ff | 654 | return hdac->Instance->DOR1; |
bogdanm | 0:9b334a45a8ff | 655 | } |
bogdanm | 0:9b334a45a8ff | 656 | else |
bogdanm | 0:9b334a45a8ff | 657 | { |
bogdanm | 0:9b334a45a8ff | 658 | return hdac->Instance->DOR2; |
bogdanm | 0:9b334a45a8ff | 659 | } |
bogdanm | 0:9b334a45a8ff | 660 | } |
bogdanm | 0:9b334a45a8ff | 661 | |
bogdanm | 0:9b334a45a8ff | 662 | /** |
bogdanm | 0:9b334a45a8ff | 663 | * @brief Conversion complete callback in non blocking mode for Channel1 |
bogdanm | 0:9b334a45a8ff | 664 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 665 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 666 | * @retval None |
bogdanm | 0:9b334a45a8ff | 667 | */ |
bogdanm | 0:9b334a45a8ff | 668 | __weak void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 669 | { |
bogdanm | 0:9b334a45a8ff | 670 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 671 | the HAL_DAC_ConvCpltCallbackCh1 could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 672 | */ |
bogdanm | 0:9b334a45a8ff | 673 | } |
bogdanm | 0:9b334a45a8ff | 674 | |
bogdanm | 0:9b334a45a8ff | 675 | /** |
bogdanm | 0:9b334a45a8ff | 676 | * @brief Conversion half DMA transfer callback in non blocking mode for Channel1 |
bogdanm | 0:9b334a45a8ff | 677 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 678 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 679 | * @retval None |
bogdanm | 0:9b334a45a8ff | 680 | */ |
bogdanm | 0:9b334a45a8ff | 681 | __weak void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 682 | { |
bogdanm | 0:9b334a45a8ff | 683 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 684 | the HAL_DAC_ConvHalfCpltCallbackCh1 could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 685 | */ |
bogdanm | 0:9b334a45a8ff | 686 | } |
bogdanm | 0:9b334a45a8ff | 687 | |
bogdanm | 0:9b334a45a8ff | 688 | /** |
bogdanm | 0:9b334a45a8ff | 689 | * @brief Error DAC callback for Channel1. |
bogdanm | 0:9b334a45a8ff | 690 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 691 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 692 | * @retval None |
bogdanm | 0:9b334a45a8ff | 693 | */ |
bogdanm | 0:9b334a45a8ff | 694 | __weak void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac) |
bogdanm | 0:9b334a45a8ff | 695 | { |
bogdanm | 0:9b334a45a8ff | 696 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 697 | the HAL_DAC_ErrorCallbackCh1 could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 698 | */ |
bogdanm | 0:9b334a45a8ff | 699 | } |
bogdanm | 0:9b334a45a8ff | 700 | |
bogdanm | 0:9b334a45a8ff | 701 | /** |
bogdanm | 0:9b334a45a8ff | 702 | * @} |
bogdanm | 0:9b334a45a8ff | 703 | */ |
bogdanm | 0:9b334a45a8ff | 704 | |
bogdanm | 0:9b334a45a8ff | 705 | /** @defgroup DAC_Exported_Functions_Group3 Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 706 | * @brief Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 707 | * |
bogdanm | 0:9b334a45a8ff | 708 | @verbatim |
bogdanm | 0:9b334a45a8ff | 709 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 710 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 711 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 712 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 713 | (+) Configure channels. |
bogdanm | 0:9b334a45a8ff | 714 | (+) Set the specified data holding register value for DAC channel. |
bogdanm | 0:9b334a45a8ff | 715 | |
bogdanm | 0:9b334a45a8ff | 716 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 717 | * @{ |
bogdanm | 0:9b334a45a8ff | 718 | */ |
bogdanm | 0:9b334a45a8ff | 719 | |
bogdanm | 0:9b334a45a8ff | 720 | /** |
bogdanm | 0:9b334a45a8ff | 721 | * @brief Configures the selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 722 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 723 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 724 | * @param sConfig: DAC configuration structure. |
bogdanm | 0:9b334a45a8ff | 725 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 726 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 727 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 728 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 729 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 730 | */ |
bogdanm | 0:9b334a45a8ff | 731 | HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel) |
bogdanm | 0:9b334a45a8ff | 732 | { |
bogdanm | 0:9b334a45a8ff | 733 | uint32_t tmpreg1 = 0; |
bogdanm | 0:9b334a45a8ff | 734 | |
bogdanm | 0:9b334a45a8ff | 735 | /* Check the DAC parameters */ |
bogdanm | 0:9b334a45a8ff | 736 | assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger)); |
bogdanm | 0:9b334a45a8ff | 737 | assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer)); |
bogdanm | 0:9b334a45a8ff | 738 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 739 | |
bogdanm | 0:9b334a45a8ff | 740 | /* Process locked */ |
bogdanm | 0:9b334a45a8ff | 741 | __HAL_LOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 742 | |
bogdanm | 0:9b334a45a8ff | 743 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 744 | hdac->State = HAL_DAC_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 745 | |
bogdanm | 0:9b334a45a8ff | 746 | /* Configure for the selected DAC channel: buffer output, trigger */ |
bogdanm | 0:9b334a45a8ff | 747 | /* Set TSELx and TENx bits according to DAC_Trigger value */ |
bogdanm | 0:9b334a45a8ff | 748 | /* Set BOFFx bit according to DAC_OutputBuffer value */ |
bogdanm | 0:9b334a45a8ff | 749 | SET_BIT(tmpreg1, (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer)); |
bogdanm | 0:9b334a45a8ff | 750 | |
bogdanm | 0:9b334a45a8ff | 751 | /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */ |
bogdanm | 0:9b334a45a8ff | 752 | /* Calculate CR register value depending on DAC_Channel */ |
bogdanm | 0:9b334a45a8ff | 753 | MODIFY_REG(hdac->Instance->CR, |
bogdanm | 0:9b334a45a8ff | 754 | ((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel, |
bogdanm | 0:9b334a45a8ff | 755 | tmpreg1 << Channel); |
bogdanm | 0:9b334a45a8ff | 756 | |
bogdanm | 0:9b334a45a8ff | 757 | /* Disable wave generation */ |
bogdanm | 0:9b334a45a8ff | 758 | hdac->Instance->CR &= ~(DAC_CR_WAVE1 << Channel); |
bogdanm | 0:9b334a45a8ff | 759 | |
bogdanm | 0:9b334a45a8ff | 760 | /* Change DAC state */ |
bogdanm | 0:9b334a45a8ff | 761 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 762 | |
bogdanm | 0:9b334a45a8ff | 763 | /* Process unlocked */ |
bogdanm | 0:9b334a45a8ff | 764 | __HAL_UNLOCK(hdac); |
bogdanm | 0:9b334a45a8ff | 765 | |
bogdanm | 0:9b334a45a8ff | 766 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 767 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 768 | } |
bogdanm | 0:9b334a45a8ff | 769 | |
bogdanm | 0:9b334a45a8ff | 770 | /** |
bogdanm | 0:9b334a45a8ff | 771 | * @brief Set the specified data holding register value for DAC channel. |
bogdanm | 0:9b334a45a8ff | 772 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 773 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 774 | * @param Channel: The selected DAC channel. |
bogdanm | 0:9b334a45a8ff | 775 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 776 | * @arg DAC_CHANNEL_1: DAC Channel1 selected |
bogdanm | 0:9b334a45a8ff | 777 | * @arg DAC_CHANNEL_2: DAC Channel2 selected |
bogdanm | 0:9b334a45a8ff | 778 | * @param Alignment: Specifies the data alignment. |
bogdanm | 0:9b334a45a8ff | 779 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 780 | * @arg DAC_ALIGN_8B_R: 8bit right data alignment selected |
bogdanm | 0:9b334a45a8ff | 781 | * @arg DAC_ALIGN_12B_L: 12bit left data alignment selected |
bogdanm | 0:9b334a45a8ff | 782 | * @arg DAC_ALIGN_12B_R: 12bit right data alignment selected |
bogdanm | 0:9b334a45a8ff | 783 | * @param Data: Data to be loaded in the selected data holding register. |
bogdanm | 0:9b334a45a8ff | 784 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 785 | */ |
bogdanm | 0:9b334a45a8ff | 786 | HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 787 | { |
bogdanm | 0:9b334a45a8ff | 788 | __IO uint32_t tmp = 0; |
bogdanm | 0:9b334a45a8ff | 789 | |
bogdanm | 0:9b334a45a8ff | 790 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 791 | assert_param(IS_DAC_CHANNEL(Channel)); |
bogdanm | 0:9b334a45a8ff | 792 | assert_param(IS_DAC_ALIGN(Alignment)); |
bogdanm | 0:9b334a45a8ff | 793 | assert_param(IS_DAC_DATA(Data)); |
bogdanm | 0:9b334a45a8ff | 794 | |
bogdanm | 0:9b334a45a8ff | 795 | tmp = (uint32_t)hdac->Instance; |
bogdanm | 0:9b334a45a8ff | 796 | if(Channel == DAC_CHANNEL_1) |
bogdanm | 0:9b334a45a8ff | 797 | { |
bogdanm | 0:9b334a45a8ff | 798 | tmp += DAC_DHR12R1_ALIGNMENT(Alignment); |
bogdanm | 0:9b334a45a8ff | 799 | } |
bogdanm | 0:9b334a45a8ff | 800 | else |
bogdanm | 0:9b334a45a8ff | 801 | { |
bogdanm | 0:9b334a45a8ff | 802 | tmp += DAC_DHR12R2_ALIGNMENT(Alignment); |
bogdanm | 0:9b334a45a8ff | 803 | } |
bogdanm | 0:9b334a45a8ff | 804 | |
bogdanm | 0:9b334a45a8ff | 805 | /* Set the DAC channel selected data holding register */ |
bogdanm | 0:9b334a45a8ff | 806 | *(__IO uint32_t *) tmp = Data; |
bogdanm | 0:9b334a45a8ff | 807 | |
bogdanm | 0:9b334a45a8ff | 808 | /* Return function status */ |
bogdanm | 0:9b334a45a8ff | 809 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 810 | } |
bogdanm | 0:9b334a45a8ff | 811 | |
bogdanm | 0:9b334a45a8ff | 812 | /** |
bogdanm | 0:9b334a45a8ff | 813 | * @} |
bogdanm | 0:9b334a45a8ff | 814 | */ |
bogdanm | 0:9b334a45a8ff | 815 | |
bogdanm | 0:9b334a45a8ff | 816 | /** @defgroup DAC_Exported_Functions_Group4 Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 817 | * @brief Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 818 | * |
bogdanm | 0:9b334a45a8ff | 819 | @verbatim |
bogdanm | 0:9b334a45a8ff | 820 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 821 | ##### Peripheral State and Errors functions ##### |
bogdanm | 0:9b334a45a8ff | 822 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 823 | [..] |
bogdanm | 0:9b334a45a8ff | 824 | This subsection provides functions allowing to |
bogdanm | 0:9b334a45a8ff | 825 | (+) Check the DAC state. |
bogdanm | 0:9b334a45a8ff | 826 | (+) Check the DAC Errors. |
bogdanm | 0:9b334a45a8ff | 827 | |
bogdanm | 0:9b334a45a8ff | 828 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 829 | * @{ |
bogdanm | 0:9b334a45a8ff | 830 | */ |
bogdanm | 0:9b334a45a8ff | 831 | |
bogdanm | 0:9b334a45a8ff | 832 | /** |
bogdanm | 0:9b334a45a8ff | 833 | * @brief return the DAC state |
bogdanm | 0:9b334a45a8ff | 834 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 835 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 836 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 837 | */ |
bogdanm | 0:9b334a45a8ff | 838 | HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac) |
bogdanm | 0:9b334a45a8ff | 839 | { |
bogdanm | 0:9b334a45a8ff | 840 | /* Return DAC state */ |
bogdanm | 0:9b334a45a8ff | 841 | return hdac->State; |
bogdanm | 0:9b334a45a8ff | 842 | } |
bogdanm | 0:9b334a45a8ff | 843 | |
bogdanm | 0:9b334a45a8ff | 844 | |
bogdanm | 0:9b334a45a8ff | 845 | /** |
bogdanm | 0:9b334a45a8ff | 846 | * @brief Return the DAC error code |
bogdanm | 0:9b334a45a8ff | 847 | * @param hdac: pointer to a DAC_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 848 | * the configuration information for the specified DAC. |
bogdanm | 0:9b334a45a8ff | 849 | * @retval DAC Error Code |
bogdanm | 0:9b334a45a8ff | 850 | */ |
bogdanm | 0:9b334a45a8ff | 851 | uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac) |
bogdanm | 0:9b334a45a8ff | 852 | { |
bogdanm | 0:9b334a45a8ff | 853 | return hdac->ErrorCode; |
bogdanm | 0:9b334a45a8ff | 854 | } |
bogdanm | 0:9b334a45a8ff | 855 | |
bogdanm | 0:9b334a45a8ff | 856 | /** |
bogdanm | 0:9b334a45a8ff | 857 | * @} |
bogdanm | 0:9b334a45a8ff | 858 | */ |
bogdanm | 0:9b334a45a8ff | 859 | |
bogdanm | 0:9b334a45a8ff | 860 | /** |
bogdanm | 0:9b334a45a8ff | 861 | * @} |
bogdanm | 0:9b334a45a8ff | 862 | */ |
bogdanm | 0:9b334a45a8ff | 863 | |
bogdanm | 0:9b334a45a8ff | 864 | /** @addtogroup DAC_Private_Functions |
bogdanm | 0:9b334a45a8ff | 865 | * @{ |
bogdanm | 0:9b334a45a8ff | 866 | */ |
bogdanm | 0:9b334a45a8ff | 867 | |
bogdanm | 0:9b334a45a8ff | 868 | /** |
bogdanm | 0:9b334a45a8ff | 869 | * @brief DMA conversion complete callback. |
bogdanm | 0:9b334a45a8ff | 870 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 871 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 872 | * @retval None |
bogdanm | 0:9b334a45a8ff | 873 | */ |
bogdanm | 0:9b334a45a8ff | 874 | void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 875 | { |
bogdanm | 0:9b334a45a8ff | 876 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 877 | |
bogdanm | 0:9b334a45a8ff | 878 | HAL_DAC_ConvCpltCallbackCh1(hdac); |
bogdanm | 0:9b334a45a8ff | 879 | |
bogdanm | 0:9b334a45a8ff | 880 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 881 | } |
bogdanm | 0:9b334a45a8ff | 882 | |
bogdanm | 0:9b334a45a8ff | 883 | /** |
bogdanm | 0:9b334a45a8ff | 884 | * @brief DMA half transfer complete callback. |
bogdanm | 0:9b334a45a8ff | 885 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 886 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 887 | * @retval None |
bogdanm | 0:9b334a45a8ff | 888 | */ |
bogdanm | 0:9b334a45a8ff | 889 | void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 890 | { |
bogdanm | 0:9b334a45a8ff | 891 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 892 | /* Conversion complete callback */ |
bogdanm | 0:9b334a45a8ff | 893 | HAL_DAC_ConvHalfCpltCallbackCh1(hdac); |
bogdanm | 0:9b334a45a8ff | 894 | } |
bogdanm | 0:9b334a45a8ff | 895 | |
bogdanm | 0:9b334a45a8ff | 896 | /** |
bogdanm | 0:9b334a45a8ff | 897 | * @brief DMA error callback |
bogdanm | 0:9b334a45a8ff | 898 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 899 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 900 | * @retval None |
bogdanm | 0:9b334a45a8ff | 901 | */ |
bogdanm | 0:9b334a45a8ff | 902 | void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 903 | { |
bogdanm | 0:9b334a45a8ff | 904 | DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 905 | |
bogdanm | 0:9b334a45a8ff | 906 | /* Set DAC error code to DMA error */ |
bogdanm | 0:9b334a45a8ff | 907 | hdac->ErrorCode |= HAL_DAC_ERROR_DMA; |
bogdanm | 0:9b334a45a8ff | 908 | |
bogdanm | 0:9b334a45a8ff | 909 | HAL_DAC_ErrorCallbackCh1(hdac); |
bogdanm | 0:9b334a45a8ff | 910 | |
bogdanm | 0:9b334a45a8ff | 911 | hdac->State = HAL_DAC_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 912 | } |
bogdanm | 0:9b334a45a8ff | 913 | |
bogdanm | 0:9b334a45a8ff | 914 | /** |
bogdanm | 0:9b334a45a8ff | 915 | * @} |
bogdanm | 0:9b334a45a8ff | 916 | */ |
bogdanm | 0:9b334a45a8ff | 917 | |
bogdanm | 0:9b334a45a8ff | 918 | #endif /* STM32F100xB || STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG || STM32F105xC || STM32F107xC */ |
bogdanm | 0:9b334a45a8ff | 919 | #endif /* HAL_DAC_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 920 | |
bogdanm | 0:9b334a45a8ff | 921 | /** |
bogdanm | 0:9b334a45a8ff | 922 | * @} |
bogdanm | 0:9b334a45a8ff | 923 | */ |
bogdanm | 0:9b334a45a8ff | 924 | |
bogdanm | 0:9b334a45a8ff | 925 | /** |
bogdanm | 0:9b334a45a8ff | 926 | * @} |
bogdanm | 0:9b334a45a8ff | 927 | */ |
bogdanm | 0:9b334a45a8ff | 928 | |
bogdanm | 0:9b334a45a8ff | 929 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |