shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/stm32f10x_dac.c@52:a51c77007319, 2013-12-02 (annotated)

Committer:
mbed_official
Date:
Mon Dec 02 11:30:05 2013 +0000
Revision:
52:a51c77007319
Child:
70:c1fbde68b492
Synchronized with git revision 49df530ae72ce97ccc773d1f2c13b38e868e6abd



Full URL: https://github.com/mbedmicro/mbed/commit/49df530ae72ce97ccc773d1f2c13b38e868e6abd/



Add STMicroelectronics NUCLEO_F103RB target

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /**
mbed_official 52:a51c77007319 2 ******************************************************************************
mbed_official 52:a51c77007319 3 * @file stm32f10x_dac.c
mbed_official 52:a51c77007319 4 * @author MCD Application Team
mbed_official 52:a51c77007319 5 * @version V3.5.0
mbed_official 52:a51c77007319 6 * @date 11-March-2011
mbed_official 52:a51c77007319 7 * @brief This file provides all the DAC firmware functions.
mbed_official 52:a51c77007319 8 ******************************************************************************
mbed_official 52:a51c77007319 9 * @attention
mbed_official 52:a51c77007319 10 *
mbed_official 52:a51c77007319 11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
mbed_official 52:a51c77007319 12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
mbed_official 52:a51c77007319 13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
mbed_official 52:a51c77007319 14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
mbed_official 52:a51c77007319 15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
mbed_official 52:a51c77007319 16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
mbed_official 52:a51c77007319 17 *
mbed_official 52:a51c77007319 18 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
mbed_official 52:a51c77007319 19 ******************************************************************************
mbed_official 52:a51c77007319 20 */
mbed_official 52:a51c77007319 21
mbed_official 52:a51c77007319 22 /* Includes ------------------------------------------------------------------*/
mbed_official 52:a51c77007319 23 #include "stm32f10x_dac.h"
mbed_official 52:a51c77007319 24 #include "stm32f10x_rcc.h"
mbed_official 52:a51c77007319 25
mbed_official 52:a51c77007319 26 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 52:a51c77007319 27 * @{
mbed_official 52:a51c77007319 28 */
mbed_official 52:a51c77007319 29
mbed_official 52:a51c77007319 30 /** @defgroup DAC
mbed_official 52:a51c77007319 31 * @brief DAC driver modules
mbed_official 52:a51c77007319 32 * @{
mbed_official 52:a51c77007319 33 */
mbed_official 52:a51c77007319 34
mbed_official 52:a51c77007319 35 /** @defgroup DAC_Private_TypesDefinitions
mbed_official 52:a51c77007319 36 * @{
mbed_official 52:a51c77007319 37 */
mbed_official 52:a51c77007319 38
mbed_official 52:a51c77007319 39 /**
mbed_official 52:a51c77007319 40 * @}
mbed_official 52:a51c77007319 41 */
mbed_official 52:a51c77007319 42
mbed_official 52:a51c77007319 43 /** @defgroup DAC_Private_Defines
mbed_official 52:a51c77007319 44 * @{
mbed_official 52:a51c77007319 45 */
mbed_official 52:a51c77007319 46
mbed_official 52:a51c77007319 47 /* CR register Mask */
mbed_official 52:a51c77007319 48 #define CR_CLEAR_MASK ((uint32_t)0x00000FFE)
mbed_official 52:a51c77007319 49
mbed_official 52:a51c77007319 50 /* DAC Dual Channels SWTRIG masks */
mbed_official 52:a51c77007319 51 #define DUAL_SWTRIG_SET ((uint32_t)0x00000003)
mbed_official 52:a51c77007319 52 #define DUAL_SWTRIG_RESET ((uint32_t)0xFFFFFFFC)
mbed_official 52:a51c77007319 53
mbed_official 52:a51c77007319 54 /* DHR registers offsets */
mbed_official 52:a51c77007319 55 #define DHR12R1_OFFSET ((uint32_t)0x00000008)
mbed_official 52:a51c77007319 56 #define DHR12R2_OFFSET ((uint32_t)0x00000014)
mbed_official 52:a51c77007319 57 #define DHR12RD_OFFSET ((uint32_t)0x00000020)
mbed_official 52:a51c77007319 58
mbed_official 52:a51c77007319 59 /* DOR register offset */
mbed_official 52:a51c77007319 60 #define DOR_OFFSET ((uint32_t)0x0000002C)
mbed_official 52:a51c77007319 61 /**
mbed_official 52:a51c77007319 62 * @}
mbed_official 52:a51c77007319 63 */
mbed_official 52:a51c77007319 64
mbed_official 52:a51c77007319 65 /** @defgroup DAC_Private_Macros
mbed_official 52:a51c77007319 66 * @{
mbed_official 52:a51c77007319 67 */
mbed_official 52:a51c77007319 68
mbed_official 52:a51c77007319 69 /**
mbed_official 52:a51c77007319 70 * @}
mbed_official 52:a51c77007319 71 */
mbed_official 52:a51c77007319 72
mbed_official 52:a51c77007319 73 /** @defgroup DAC_Private_Variables
mbed_official 52:a51c77007319 74 * @{
mbed_official 52:a51c77007319 75 */
mbed_official 52:a51c77007319 76
mbed_official 52:a51c77007319 77 /**
mbed_official 52:a51c77007319 78 * @}
mbed_official 52:a51c77007319 79 */
mbed_official 52:a51c77007319 80
mbed_official 52:a51c77007319 81 /** @defgroup DAC_Private_FunctionPrototypes
mbed_official 52:a51c77007319 82 * @{
mbed_official 52:a51c77007319 83 */
mbed_official 52:a51c77007319 84
mbed_official 52:a51c77007319 85 /**
mbed_official 52:a51c77007319 86 * @}
mbed_official 52:a51c77007319 87 */
mbed_official 52:a51c77007319 88
mbed_official 52:a51c77007319 89 /** @defgroup DAC_Private_Functions
mbed_official 52:a51c77007319 90 * @{
mbed_official 52:a51c77007319 91 */
mbed_official 52:a51c77007319 92
mbed_official 52:a51c77007319 93 /**
mbed_official 52:a51c77007319 94 * @brief Deinitializes the DAC peripheral registers to their default reset values.
mbed_official 52:a51c77007319 95 * @param None
mbed_official 52:a51c77007319 96 * @retval None
mbed_official 52:a51c77007319 97 */
mbed_official 52:a51c77007319 98 void DAC_DeInit(void)
mbed_official 52:a51c77007319 99 {
mbed_official 52:a51c77007319 100 /* Enable DAC reset state */
mbed_official 52:a51c77007319 101 RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
mbed_official 52:a51c77007319 102 /* Release DAC from reset state */
mbed_official 52:a51c77007319 103 RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
mbed_official 52:a51c77007319 104 }
mbed_official 52:a51c77007319 105
mbed_official 52:a51c77007319 106 /**
mbed_official 52:a51c77007319 107 * @brief Initializes the DAC peripheral according to the specified
mbed_official 52:a51c77007319 108 * parameters in the DAC_InitStruct.
mbed_official 52:a51c77007319 109 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 110 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 111 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 112 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 113 * @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure that
mbed_official 52:a51c77007319 114 * contains the configuration information for the specified DAC channel.
mbed_official 52:a51c77007319 115 * @retval None
mbed_official 52:a51c77007319 116 */
mbed_official 52:a51c77007319 117 void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)
mbed_official 52:a51c77007319 118 {
mbed_official 52:a51c77007319 119 uint32_t tmpreg1 = 0, tmpreg2 = 0;
mbed_official 52:a51c77007319 120 /* Check the DAC parameters */
mbed_official 52:a51c77007319 121 assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));
mbed_official 52:a51c77007319 122 assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));
mbed_official 52:a51c77007319 123 assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));
mbed_official 52:a51c77007319 124 assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));
mbed_official 52:a51c77007319 125 /*---------------------------- DAC CR Configuration --------------------------*/
mbed_official 52:a51c77007319 126 /* Get the DAC CR value */
mbed_official 52:a51c77007319 127 tmpreg1 = DAC->CR;
mbed_official 52:a51c77007319 128 /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
mbed_official 52:a51c77007319 129 tmpreg1 &= ~(CR_CLEAR_MASK << DAC_Channel);
mbed_official 52:a51c77007319 130 /* Configure for the selected DAC channel: buffer output, trigger, wave generation,
mbed_official 52:a51c77007319 131 mask/amplitude for wave generation */
mbed_official 52:a51c77007319 132 /* Set TSELx and TENx bits according to DAC_Trigger value */
mbed_official 52:a51c77007319 133 /* Set WAVEx bits according to DAC_WaveGeneration value */
mbed_official 52:a51c77007319 134 /* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */
mbed_official 52:a51c77007319 135 /* Set BOFFx bit according to DAC_OutputBuffer value */
mbed_official 52:a51c77007319 136 tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
mbed_official 52:a51c77007319 137 DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | DAC_InitStruct->DAC_OutputBuffer);
mbed_official 52:a51c77007319 138 /* Calculate CR register value depending on DAC_Channel */
mbed_official 52:a51c77007319 139 tmpreg1 |= tmpreg2 << DAC_Channel;
mbed_official 52:a51c77007319 140 /* Write to DAC CR */
mbed_official 52:a51c77007319 141 DAC->CR = tmpreg1;
mbed_official 52:a51c77007319 142 }
mbed_official 52:a51c77007319 143
mbed_official 52:a51c77007319 144 /**
mbed_official 52:a51c77007319 145 * @brief Fills each DAC_InitStruct member with its default value.
mbed_official 52:a51c77007319 146 * @param DAC_InitStruct : pointer to a DAC_InitTypeDef structure which will
mbed_official 52:a51c77007319 147 * be initialized.
mbed_official 52:a51c77007319 148 * @retval None
mbed_official 52:a51c77007319 149 */
mbed_official 52:a51c77007319 150 void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)
mbed_official 52:a51c77007319 151 {
mbed_official 52:a51c77007319 152 /*--------------- Reset DAC init structure parameters values -----------------*/
mbed_official 52:a51c77007319 153 /* Initialize the DAC_Trigger member */
mbed_official 52:a51c77007319 154 DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
mbed_official 52:a51c77007319 155 /* Initialize the DAC_WaveGeneration member */
mbed_official 52:a51c77007319 156 DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
mbed_official 52:a51c77007319 157 /* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */
mbed_official 52:a51c77007319 158 DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
mbed_official 52:a51c77007319 159 /* Initialize the DAC_OutputBuffer member */
mbed_official 52:a51c77007319 160 DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
mbed_official 52:a51c77007319 161 }
mbed_official 52:a51c77007319 162
mbed_official 52:a51c77007319 163 /**
mbed_official 52:a51c77007319 164 * @brief Enables or disables the specified DAC channel.
mbed_official 52:a51c77007319 165 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 166 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 167 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 168 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 169 * @param NewState: new state of the DAC channel.
mbed_official 52:a51c77007319 170 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 171 * @retval None
mbed_official 52:a51c77007319 172 */
mbed_official 52:a51c77007319 173 void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
mbed_official 52:a51c77007319 174 {
mbed_official 52:a51c77007319 175 /* Check the parameters */
mbed_official 52:a51c77007319 176 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 177 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 178 if (NewState != DISABLE)
mbed_official 52:a51c77007319 179 {
mbed_official 52:a51c77007319 180 /* Enable the selected DAC channel */
mbed_official 52:a51c77007319 181 DAC->CR |= (DAC_CR_EN1 << DAC_Channel);
mbed_official 52:a51c77007319 182 }
mbed_official 52:a51c77007319 183 else
mbed_official 52:a51c77007319 184 {
mbed_official 52:a51c77007319 185 /* Disable the selected DAC channel */
mbed_official 52:a51c77007319 186 DAC->CR &= ~(DAC_CR_EN1 << DAC_Channel);
mbed_official 52:a51c77007319 187 }
mbed_official 52:a51c77007319 188 }
mbed_official 52:a51c77007319 189 #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
mbed_official 52:a51c77007319 190 /**
mbed_official 52:a51c77007319 191 * @brief Enables or disables the specified DAC interrupts.
mbed_official 52:a51c77007319 192 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 193 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 194 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 195 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 196 * @param DAC_IT: specifies the DAC interrupt sources to be enabled or disabled.
mbed_official 52:a51c77007319 197 * This parameter can be the following values:
mbed_official 52:a51c77007319 198 * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
mbed_official 52:a51c77007319 199 * @param NewState: new state of the specified DAC interrupts.
mbed_official 52:a51c77007319 200 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 201 * @retval None
mbed_official 52:a51c77007319 202 */
mbed_official 52:a51c77007319 203 void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState)
mbed_official 52:a51c77007319 204 {
mbed_official 52:a51c77007319 205 /* Check the parameters */
mbed_official 52:a51c77007319 206 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 207 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 208 assert_param(IS_DAC_IT(DAC_IT));
mbed_official 52:a51c77007319 209
mbed_official 52:a51c77007319 210 if (NewState != DISABLE)
mbed_official 52:a51c77007319 211 {
mbed_official 52:a51c77007319 212 /* Enable the selected DAC interrupts */
mbed_official 52:a51c77007319 213 DAC->CR |= (DAC_IT << DAC_Channel);
mbed_official 52:a51c77007319 214 }
mbed_official 52:a51c77007319 215 else
mbed_official 52:a51c77007319 216 {
mbed_official 52:a51c77007319 217 /* Disable the selected DAC interrupts */
mbed_official 52:a51c77007319 218 DAC->CR &= (~(uint32_t)(DAC_IT << DAC_Channel));
mbed_official 52:a51c77007319 219 }
mbed_official 52:a51c77007319 220 }
mbed_official 52:a51c77007319 221 #endif
mbed_official 52:a51c77007319 222
mbed_official 52:a51c77007319 223 /**
mbed_official 52:a51c77007319 224 * @brief Enables or disables the specified DAC channel DMA request.
mbed_official 52:a51c77007319 225 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 226 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 227 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 228 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 229 * @param NewState: new state of the selected DAC channel DMA request.
mbed_official 52:a51c77007319 230 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 231 * @retval None
mbed_official 52:a51c77007319 232 */
mbed_official 52:a51c77007319 233 void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
mbed_official 52:a51c77007319 234 {
mbed_official 52:a51c77007319 235 /* Check the parameters */
mbed_official 52:a51c77007319 236 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 237 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 238 if (NewState != DISABLE)
mbed_official 52:a51c77007319 239 {
mbed_official 52:a51c77007319 240 /* Enable the selected DAC channel DMA request */
mbed_official 52:a51c77007319 241 DAC->CR |= (DAC_CR_DMAEN1 << DAC_Channel);
mbed_official 52:a51c77007319 242 }
mbed_official 52:a51c77007319 243 else
mbed_official 52:a51c77007319 244 {
mbed_official 52:a51c77007319 245 /* Disable the selected DAC channel DMA request */
mbed_official 52:a51c77007319 246 DAC->CR &= ~(DAC_CR_DMAEN1 << DAC_Channel);
mbed_official 52:a51c77007319 247 }
mbed_official 52:a51c77007319 248 }
mbed_official 52:a51c77007319 249
mbed_official 52:a51c77007319 250 /**
mbed_official 52:a51c77007319 251 * @brief Enables or disables the selected DAC channel software trigger.
mbed_official 52:a51c77007319 252 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 253 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 254 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 255 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 256 * @param NewState: new state of the selected DAC channel software trigger.
mbed_official 52:a51c77007319 257 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 258 * @retval None
mbed_official 52:a51c77007319 259 */
mbed_official 52:a51c77007319 260 void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
mbed_official 52:a51c77007319 261 {
mbed_official 52:a51c77007319 262 /* Check the parameters */
mbed_official 52:a51c77007319 263 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 264 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 265 if (NewState != DISABLE)
mbed_official 52:a51c77007319 266 {
mbed_official 52:a51c77007319 267 /* Enable software trigger for the selected DAC channel */
mbed_official 52:a51c77007319 268 DAC->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4);
mbed_official 52:a51c77007319 269 }
mbed_official 52:a51c77007319 270 else
mbed_official 52:a51c77007319 271 {
mbed_official 52:a51c77007319 272 /* Disable software trigger for the selected DAC channel */
mbed_official 52:a51c77007319 273 DAC->SWTRIGR &= ~((uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4));
mbed_official 52:a51c77007319 274 }
mbed_official 52:a51c77007319 275 }
mbed_official 52:a51c77007319 276
mbed_official 52:a51c77007319 277 /**
mbed_official 52:a51c77007319 278 * @brief Enables or disables simultaneously the two DAC channels software
mbed_official 52:a51c77007319 279 * triggers.
mbed_official 52:a51c77007319 280 * @param NewState: new state of the DAC channels software triggers.
mbed_official 52:a51c77007319 281 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 282 * @retval None
mbed_official 52:a51c77007319 283 */
mbed_official 52:a51c77007319 284 void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
mbed_official 52:a51c77007319 285 {
mbed_official 52:a51c77007319 286 /* Check the parameters */
mbed_official 52:a51c77007319 287 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 288 if (NewState != DISABLE)
mbed_official 52:a51c77007319 289 {
mbed_official 52:a51c77007319 290 /* Enable software trigger for both DAC channels */
mbed_official 52:a51c77007319 291 DAC->SWTRIGR |= DUAL_SWTRIG_SET ;
mbed_official 52:a51c77007319 292 }
mbed_official 52:a51c77007319 293 else
mbed_official 52:a51c77007319 294 {
mbed_official 52:a51c77007319 295 /* Disable software trigger for both DAC channels */
mbed_official 52:a51c77007319 296 DAC->SWTRIGR &= DUAL_SWTRIG_RESET;
mbed_official 52:a51c77007319 297 }
mbed_official 52:a51c77007319 298 }
mbed_official 52:a51c77007319 299
mbed_official 52:a51c77007319 300 /**
mbed_official 52:a51c77007319 301 * @brief Enables or disables the selected DAC channel wave generation.
mbed_official 52:a51c77007319 302 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 303 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 304 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 305 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 306 * @param DAC_Wave: Specifies the wave type to enable or disable.
mbed_official 52:a51c77007319 307 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 308 * @arg DAC_Wave_Noise: noise wave generation
mbed_official 52:a51c77007319 309 * @arg DAC_Wave_Triangle: triangle wave generation
mbed_official 52:a51c77007319 310 * @param NewState: new state of the selected DAC channel wave generation.
mbed_official 52:a51c77007319 311 * This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 312 * @retval None
mbed_official 52:a51c77007319 313 */
mbed_official 52:a51c77007319 314 void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
mbed_official 52:a51c77007319 315 {
mbed_official 52:a51c77007319 316 /* Check the parameters */
mbed_official 52:a51c77007319 317 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 318 assert_param(IS_DAC_WAVE(DAC_Wave));
mbed_official 52:a51c77007319 319 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 320 if (NewState != DISABLE)
mbed_official 52:a51c77007319 321 {
mbed_official 52:a51c77007319 322 /* Enable the selected wave generation for the selected DAC channel */
mbed_official 52:a51c77007319 323 DAC->CR |= DAC_Wave << DAC_Channel;
mbed_official 52:a51c77007319 324 }
mbed_official 52:a51c77007319 325 else
mbed_official 52:a51c77007319 326 {
mbed_official 52:a51c77007319 327 /* Disable the selected wave generation for the selected DAC channel */
mbed_official 52:a51c77007319 328 DAC->CR &= ~(DAC_Wave << DAC_Channel);
mbed_official 52:a51c77007319 329 }
mbed_official 52:a51c77007319 330 }
mbed_official 52:a51c77007319 331
mbed_official 52:a51c77007319 332 /**
mbed_official 52:a51c77007319 333 * @brief Set the specified data holding register value for DAC channel1.
mbed_official 52:a51c77007319 334 * @param DAC_Align: Specifies the data alignment for DAC channel1.
mbed_official 52:a51c77007319 335 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 336 * @arg DAC_Align_8b_R: 8bit right data alignment selected
mbed_official 52:a51c77007319 337 * @arg DAC_Align_12b_L: 12bit left data alignment selected
mbed_official 52:a51c77007319 338 * @arg DAC_Align_12b_R: 12bit right data alignment selected
mbed_official 52:a51c77007319 339 * @param Data : Data to be loaded in the selected data holding register.
mbed_official 52:a51c77007319 340 * @retval None
mbed_official 52:a51c77007319 341 */
mbed_official 52:a51c77007319 342 void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
mbed_official 52:a51c77007319 343 {
mbed_official 52:a51c77007319 344 __IO uint32_t tmp = 0;
mbed_official 52:a51c77007319 345
mbed_official 52:a51c77007319 346 /* Check the parameters */
mbed_official 52:a51c77007319 347 assert_param(IS_DAC_ALIGN(DAC_Align));
mbed_official 52:a51c77007319 348 assert_param(IS_DAC_DATA(Data));
mbed_official 52:a51c77007319 349
mbed_official 52:a51c77007319 350 tmp = (uint32_t)DAC_BASE;
mbed_official 52:a51c77007319 351 tmp += DHR12R1_OFFSET + DAC_Align;
mbed_official 52:a51c77007319 352
mbed_official 52:a51c77007319 353 /* Set the DAC channel1 selected data holding register */
mbed_official 52:a51c77007319 354 *(__IO uint32_t *) tmp = Data;
mbed_official 52:a51c77007319 355 }
mbed_official 52:a51c77007319 356
mbed_official 52:a51c77007319 357 /**
mbed_official 52:a51c77007319 358 * @brief Set the specified data holding register value for DAC channel2.
mbed_official 52:a51c77007319 359 * @param DAC_Align: Specifies the data alignment for DAC channel2.
mbed_official 52:a51c77007319 360 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 361 * @arg DAC_Align_8b_R: 8bit right data alignment selected
mbed_official 52:a51c77007319 362 * @arg DAC_Align_12b_L: 12bit left data alignment selected
mbed_official 52:a51c77007319 363 * @arg DAC_Align_12b_R: 12bit right data alignment selected
mbed_official 52:a51c77007319 364 * @param Data : Data to be loaded in the selected data holding register.
mbed_official 52:a51c77007319 365 * @retval None
mbed_official 52:a51c77007319 366 */
mbed_official 52:a51c77007319 367 void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
mbed_official 52:a51c77007319 368 {
mbed_official 52:a51c77007319 369 __IO uint32_t tmp = 0;
mbed_official 52:a51c77007319 370
mbed_official 52:a51c77007319 371 /* Check the parameters */
mbed_official 52:a51c77007319 372 assert_param(IS_DAC_ALIGN(DAC_Align));
mbed_official 52:a51c77007319 373 assert_param(IS_DAC_DATA(Data));
mbed_official 52:a51c77007319 374
mbed_official 52:a51c77007319 375 tmp = (uint32_t)DAC_BASE;
mbed_official 52:a51c77007319 376 tmp += DHR12R2_OFFSET + DAC_Align;
mbed_official 52:a51c77007319 377
mbed_official 52:a51c77007319 378 /* Set the DAC channel2 selected data holding register */
mbed_official 52:a51c77007319 379 *(__IO uint32_t *)tmp = Data;
mbed_official 52:a51c77007319 380 }
mbed_official 52:a51c77007319 381
mbed_official 52:a51c77007319 382 /**
mbed_official 52:a51c77007319 383 * @brief Set the specified data holding register value for dual channel
mbed_official 52:a51c77007319 384 * DAC.
mbed_official 52:a51c77007319 385 * @param DAC_Align: Specifies the data alignment for dual channel DAC.
mbed_official 52:a51c77007319 386 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 387 * @arg DAC_Align_8b_R: 8bit right data alignment selected
mbed_official 52:a51c77007319 388 * @arg DAC_Align_12b_L: 12bit left data alignment selected
mbed_official 52:a51c77007319 389 * @arg DAC_Align_12b_R: 12bit right data alignment selected
mbed_official 52:a51c77007319 390 * @param Data2: Data for DAC Channel2 to be loaded in the selected data
mbed_official 52:a51c77007319 391 * holding register.
mbed_official 52:a51c77007319 392 * @param Data1: Data for DAC Channel1 to be loaded in the selected data
mbed_official 52:a51c77007319 393 * holding register.
mbed_official 52:a51c77007319 394 * @retval None
mbed_official 52:a51c77007319 395 */
mbed_official 52:a51c77007319 396 void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
mbed_official 52:a51c77007319 397 {
mbed_official 52:a51c77007319 398 uint32_t data = 0, tmp = 0;
mbed_official 52:a51c77007319 399
mbed_official 52:a51c77007319 400 /* Check the parameters */
mbed_official 52:a51c77007319 401 assert_param(IS_DAC_ALIGN(DAC_Align));
mbed_official 52:a51c77007319 402 assert_param(IS_DAC_DATA(Data1));
mbed_official 52:a51c77007319 403 assert_param(IS_DAC_DATA(Data2));
mbed_official 52:a51c77007319 404
mbed_official 52:a51c77007319 405 /* Calculate and set dual DAC data holding register value */
mbed_official 52:a51c77007319 406 if (DAC_Align == DAC_Align_8b_R)
mbed_official 52:a51c77007319 407 {
mbed_official 52:a51c77007319 408 data = ((uint32_t)Data2 << 8) | Data1;
mbed_official 52:a51c77007319 409 }
mbed_official 52:a51c77007319 410 else
mbed_official 52:a51c77007319 411 {
mbed_official 52:a51c77007319 412 data = ((uint32_t)Data2 << 16) | Data1;
mbed_official 52:a51c77007319 413 }
mbed_official 52:a51c77007319 414
mbed_official 52:a51c77007319 415 tmp = (uint32_t)DAC_BASE;
mbed_official 52:a51c77007319 416 tmp += DHR12RD_OFFSET + DAC_Align;
mbed_official 52:a51c77007319 417
mbed_official 52:a51c77007319 418 /* Set the dual DAC selected data holding register */
mbed_official 52:a51c77007319 419 *(__IO uint32_t *)tmp = data;
mbed_official 52:a51c77007319 420 }
mbed_official 52:a51c77007319 421
mbed_official 52:a51c77007319 422 /**
mbed_official 52:a51c77007319 423 * @brief Returns the last data output value of the selected DAC channel.
mbed_official 52:a51c77007319 424 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 425 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 426 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 427 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 428 * @retval The selected DAC channel data output value.
mbed_official 52:a51c77007319 429 */
mbed_official 52:a51c77007319 430 uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
mbed_official 52:a51c77007319 431 {
mbed_official 52:a51c77007319 432 __IO uint32_t tmp = 0;
mbed_official 52:a51c77007319 433
mbed_official 52:a51c77007319 434 /* Check the parameters */
mbed_official 52:a51c77007319 435 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 436
mbed_official 52:a51c77007319 437 tmp = (uint32_t) DAC_BASE ;
mbed_official 52:a51c77007319 438 tmp += DOR_OFFSET + ((uint32_t)DAC_Channel >> 2);
mbed_official 52:a51c77007319 439
mbed_official 52:a51c77007319 440 /* Returns the DAC channel data output register value */
mbed_official 52:a51c77007319 441 return (uint16_t) (*(__IO uint32_t*) tmp);
mbed_official 52:a51c77007319 442 }
mbed_official 52:a51c77007319 443
mbed_official 52:a51c77007319 444 #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
mbed_official 52:a51c77007319 445 /**
mbed_official 52:a51c77007319 446 * @brief Checks whether the specified DAC flag is set or not.
mbed_official 52:a51c77007319 447 * @param DAC_Channel: thee selected DAC channel.
mbed_official 52:a51c77007319 448 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 449 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 450 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 451 * @param DAC_FLAG: specifies the flag to check.
mbed_official 52:a51c77007319 452 * This parameter can be only of the following value:
mbed_official 52:a51c77007319 453 * @arg DAC_FLAG_DMAUDR: DMA underrun flag
mbed_official 52:a51c77007319 454 * @retval The new state of DAC_FLAG (SET or RESET).
mbed_official 52:a51c77007319 455 */
mbed_official 52:a51c77007319 456 FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG)
mbed_official 52:a51c77007319 457 {
mbed_official 52:a51c77007319 458 FlagStatus bitstatus = RESET;
mbed_official 52:a51c77007319 459 /* Check the parameters */
mbed_official 52:a51c77007319 460 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 461 assert_param(IS_DAC_FLAG(DAC_FLAG));
mbed_official 52:a51c77007319 462
mbed_official 52:a51c77007319 463 /* Check the status of the specified DAC flag */
mbed_official 52:a51c77007319 464 if ((DAC->SR & (DAC_FLAG << DAC_Channel)) != (uint8_t)RESET)
mbed_official 52:a51c77007319 465 {
mbed_official 52:a51c77007319 466 /* DAC_FLAG is set */
mbed_official 52:a51c77007319 467 bitstatus = SET;
mbed_official 52:a51c77007319 468 }
mbed_official 52:a51c77007319 469 else
mbed_official 52:a51c77007319 470 {
mbed_official 52:a51c77007319 471 /* DAC_FLAG is reset */
mbed_official 52:a51c77007319 472 bitstatus = RESET;
mbed_official 52:a51c77007319 473 }
mbed_official 52:a51c77007319 474 /* Return the DAC_FLAG status */
mbed_official 52:a51c77007319 475 return bitstatus;
mbed_official 52:a51c77007319 476 }
mbed_official 52:a51c77007319 477
mbed_official 52:a51c77007319 478 /**
mbed_official 52:a51c77007319 479 * @brief Clears the DAC channelx's pending flags.
mbed_official 52:a51c77007319 480 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 481 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 482 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 483 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 484 * @param DAC_FLAG: specifies the flag to clear.
mbed_official 52:a51c77007319 485 * This parameter can be of the following value:
mbed_official 52:a51c77007319 486 * @arg DAC_FLAG_DMAUDR: DMA underrun flag
mbed_official 52:a51c77007319 487 * @retval None
mbed_official 52:a51c77007319 488 */
mbed_official 52:a51c77007319 489 void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG)
mbed_official 52:a51c77007319 490 {
mbed_official 52:a51c77007319 491 /* Check the parameters */
mbed_official 52:a51c77007319 492 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 493 assert_param(IS_DAC_FLAG(DAC_FLAG));
mbed_official 52:a51c77007319 494
mbed_official 52:a51c77007319 495 /* Clear the selected DAC flags */
mbed_official 52:a51c77007319 496 DAC->SR = (DAC_FLAG << DAC_Channel);
mbed_official 52:a51c77007319 497 }
mbed_official 52:a51c77007319 498
mbed_official 52:a51c77007319 499 /**
mbed_official 52:a51c77007319 500 * @brief Checks whether the specified DAC interrupt has occurred or not.
mbed_official 52:a51c77007319 501 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 502 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 503 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 504 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 505 * @param DAC_IT: specifies the DAC interrupt source to check.
mbed_official 52:a51c77007319 506 * This parameter can be the following values:
mbed_official 52:a51c77007319 507 * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
mbed_official 52:a51c77007319 508 * @retval The new state of DAC_IT (SET or RESET).
mbed_official 52:a51c77007319 509 */
mbed_official 52:a51c77007319 510 ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT)
mbed_official 52:a51c77007319 511 {
mbed_official 52:a51c77007319 512 ITStatus bitstatus = RESET;
mbed_official 52:a51c77007319 513 uint32_t enablestatus = 0;
mbed_official 52:a51c77007319 514
mbed_official 52:a51c77007319 515 /* Check the parameters */
mbed_official 52:a51c77007319 516 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 517 assert_param(IS_DAC_IT(DAC_IT));
mbed_official 52:a51c77007319 518
mbed_official 52:a51c77007319 519 /* Get the DAC_IT enable bit status */
mbed_official 52:a51c77007319 520 enablestatus = (DAC->CR & (DAC_IT << DAC_Channel)) ;
mbed_official 52:a51c77007319 521
mbed_official 52:a51c77007319 522 /* Check the status of the specified DAC interrupt */
mbed_official 52:a51c77007319 523 if (((DAC->SR & (DAC_IT << DAC_Channel)) != (uint32_t)RESET) && enablestatus)
mbed_official 52:a51c77007319 524 {
mbed_official 52:a51c77007319 525 /* DAC_IT is set */
mbed_official 52:a51c77007319 526 bitstatus = SET;
mbed_official 52:a51c77007319 527 }
mbed_official 52:a51c77007319 528 else
mbed_official 52:a51c77007319 529 {
mbed_official 52:a51c77007319 530 /* DAC_IT is reset */
mbed_official 52:a51c77007319 531 bitstatus = RESET;
mbed_official 52:a51c77007319 532 }
mbed_official 52:a51c77007319 533 /* Return the DAC_IT status */
mbed_official 52:a51c77007319 534 return bitstatus;
mbed_official 52:a51c77007319 535 }
mbed_official 52:a51c77007319 536
mbed_official 52:a51c77007319 537 /**
mbed_official 52:a51c77007319 538 * @brief Clears the DAC channelx's interrupt pending bits.
mbed_official 52:a51c77007319 539 * @param DAC_Channel: the selected DAC channel.
mbed_official 52:a51c77007319 540 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 541 * @arg DAC_Channel_1: DAC Channel1 selected
mbed_official 52:a51c77007319 542 * @arg DAC_Channel_2: DAC Channel2 selected
mbed_official 52:a51c77007319 543 * @param DAC_IT: specifies the DAC interrupt pending bit to clear.
mbed_official 52:a51c77007319 544 * This parameter can be the following values:
mbed_official 52:a51c77007319 545 * @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
mbed_official 52:a51c77007319 546 * @retval None
mbed_official 52:a51c77007319 547 */
mbed_official 52:a51c77007319 548 void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT)
mbed_official 52:a51c77007319 549 {
mbed_official 52:a51c77007319 550 /* Check the parameters */
mbed_official 52:a51c77007319 551 assert_param(IS_DAC_CHANNEL(DAC_Channel));
mbed_official 52:a51c77007319 552 assert_param(IS_DAC_IT(DAC_IT));
mbed_official 52:a51c77007319 553
mbed_official 52:a51c77007319 554 /* Clear the selected DAC interrupt pending bits */
mbed_official 52:a51c77007319 555 DAC->SR = (DAC_IT << DAC_Channel);
mbed_official 52:a51c77007319 556 }
mbed_official 52:a51c77007319 557 #endif
mbed_official 52:a51c77007319 558
mbed_official 52:a51c77007319 559 /**
mbed_official 52:a51c77007319 560 * @}
mbed_official 52:a51c77007319 561 */
mbed_official 52:a51c77007319 562
mbed_official 52:a51c77007319 563 /**
mbed_official 52:a51c77007319 564 * @}
mbed_official 52:a51c77007319 565 */
mbed_official 52:a51c77007319 566
mbed_official 52:a51c77007319 567 /**
mbed_official 52:a51c77007319 568 * @}
mbed_official 52:a51c77007319 569 */
mbed_official 52:a51c77007319 570
mbed_official 52:a51c77007319 571 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/