| /** | |
| ****************************************************************************** | |
| * @file stm32f4xx_dac.h | |
| * @author MCD Application Team | |
| * @version V1.0.0 | |
| * @date 30-September-2011 | |
| * @brief This file contains all the functions prototypes for the DAC firmware | |
| * library. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS | |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE | |
| * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY | |
| * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING | |
| * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE | |
| * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. | |
| * | |
| * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> | |
| ****************************************************************************** | |
| */ | |
| /* Define to prevent recursive inclusion -------------------------------------*/ | |
| #ifndef __STM32F4xx_DAC_H | |
| #define __STM32F4xx_DAC_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /* Includes ------------------------------------------------------------------*/ | |
| #include "stm32f4xx.h" | |
| /** @addtogroup STM32F4xx_StdPeriph_Driver | |
| * @{ | |
| */ | |
| /** @addtogroup DAC | |
| * @{ | |
| */ | |
| /* Exported types ------------------------------------------------------------*/ | |
| /** | |
| * @brief DAC Init structure definition | |
| */ | |
| typedef struct | |
| { | |
| uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel. | |
| This parameter can be a value of @ref DAC_trigger_selection */ | |
| uint32_t DAC_WaveGeneration; /*!< Specifies whether DAC channel noise waves or triangle waves | |
| are generated, or whether no wave is generated. | |
| This parameter can be a value of @ref DAC_wave_generation */ | |
| uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or | |
| the maximum amplitude triangle generation for the DAC channel. | |
| This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */ | |
| uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled. | |
| This parameter can be a value of @ref DAC_output_buffer */ | |
| }DAC_InitTypeDef; | |
| /* Exported constants --------------------------------------------------------*/ | |
| /** @defgroup DAC_Exported_Constants | |
| * @{ | |
| */ | |
| /** @defgroup DAC_trigger_selection | |
| * @{ | |
| */ | |
| #define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register | |
| has been loaded, and not by external trigger */ | |
| #define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_T4_TRGO ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_T5_TRGO ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_T8_TRGO ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */ | |
| #define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */ | |
| #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \ | |
| ((TRIGGER) == DAC_Trigger_T6_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_T8_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_T7_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_T5_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_T2_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_T4_TRGO) || \ | |
| ((TRIGGER) == DAC_Trigger_Ext_IT9) || \ | |
| ((TRIGGER) == DAC_Trigger_Software)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_wave_generation | |
| * @{ | |
| */ | |
| #define DAC_WaveGeneration_None ((uint32_t)0x00000000) | |
| #define DAC_WaveGeneration_Noise ((uint32_t)0x00000040) | |
| #define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080) | |
| #define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \ | |
| ((WAVE) == DAC_WaveGeneration_Noise) || \ | |
| ((WAVE) == DAC_WaveGeneration_Triangle)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_lfsrunmask_triangleamplitude | |
| * @{ | |
| */ | |
| #define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */ | |
| #define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */ | |
| #define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */ | |
| #define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */ | |
| #define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */ | |
| #define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */ | |
| #define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */ | |
| #define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */ | |
| #define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */ | |
| #define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */ | |
| #define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */ | |
| #define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */ | |
| #define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */ | |
| #define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */ | |
| #define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \ | |
| ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_1) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_3) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_7) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_15) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_31) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_63) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_127) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_255) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_511) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_1023) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_2047) || \ | |
| ((VALUE) == DAC_TriangleAmplitude_4095)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_output_buffer | |
| * @{ | |
| */ | |
| #define DAC_OutputBuffer_Enable ((uint32_t)0x00000000) | |
| #define DAC_OutputBuffer_Disable ((uint32_t)0x00000002) | |
| #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \ | |
| ((STATE) == DAC_OutputBuffer_Disable)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_Channel_selection | |
| * @{ | |
| */ | |
| #define DAC_Channel_1 ((uint32_t)0x00000000) | |
| #define DAC_Channel_2 ((uint32_t)0x00000010) | |
| #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \ | |
| ((CHANNEL) == DAC_Channel_2)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_data_alignement | |
| * @{ | |
| */ | |
| #define DAC_Align_12b_R ((uint32_t)0x00000000) | |
| #define DAC_Align_12b_L ((uint32_t)0x00000004) | |
| #define DAC_Align_8b_R ((uint32_t)0x00000008) | |
| #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \ | |
| ((ALIGN) == DAC_Align_12b_L) || \ | |
| ((ALIGN) == DAC_Align_8b_R)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_wave_generation | |
| * @{ | |
| */ | |
| #define DAC_Wave_Noise ((uint32_t)0x00000040) | |
| #define DAC_Wave_Triangle ((uint32_t)0x00000080) | |
| #define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \ | |
| ((WAVE) == DAC_Wave_Triangle)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_data | |
| * @{ | |
| */ | |
| #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_interrupts_definition | |
| * @{ | |
| */ | |
| #define DAC_IT_DMAUDR ((uint32_t)0x00002000) | |
| #define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR)) | |
| /** | |
| * @} | |
| */ | |
| /** @defgroup DAC_flags_definition | |
| * @{ | |
| */ | |
| #define DAC_FLAG_DMAUDR ((uint32_t)0x00002000) | |
| #define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR)) | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* Exported macro ------------------------------------------------------------*/ | |
| /* Exported functions --------------------------------------------------------*/ | |
| /* Function used to set the DAC configuration to the default reset state *****/ | |
| void DAC_DeInit(void); | |
| /* DAC channels configuration: trigger, output buffer, data format functions */ | |
| void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct); | |
| void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct); | |
| void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState); | |
| void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState); | |
| void DAC_DualSoftwareTriggerCmd(FunctionalState NewState); | |
| void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState); | |
| void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data); | |
| void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data); | |
| void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1); | |
| uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel); | |
| /* DMA management functions ***************************************************/ | |
| void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState); | |
| /* Interrupts and flags management functions **********************************/ | |
| void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState); | |
| FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG); | |
| void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG); | |
| ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT); | |
| void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT); | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /*__STM32F4xx_DAC_H */ | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |