--- /dev/null
+/**\r
+ ******************************************************************************\r
+ * @file stm32l1xx_dac.h\r
+ * @author MCD Application Team\r
+ * @version V1.0.0\r
+ * @date 31-December-2010\r
+ * @brief This file contains all the functions prototypes for the DAC firmware \r
+ * library.\r
+ ******************************************************************************\r
+ * @attention\r
+ *\r
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE\r
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY\r
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING\r
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE\r
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
+ *\r
+ * <h2><center>© COPYRIGHT 2010 STMicroelectronics</center></h2>\r
+ ****************************************************************************** \r
+ */ \r
+\r
+/* Define to prevent recursive inclusion -------------------------------------*/\r
+#ifndef __STM32L1xx_DAC_H\r
+#define __STM32L1xx_DAC_H\r
+\r
+#ifdef __cplusplus\r
+ extern "C" {\r
+#endif\r
+\r
+/* Includes ------------------------------------------------------------------*/\r
+#include "stm32l1xx.h"\r
+ \r
+/** @addtogroup STM32L1xx_StdPeriph_Driver\r
+ * @{\r
+ */\r
+\r
+/** @addtogroup DAC\r
+ * @{\r
+ */\r
+\r
+/* Exported types ------------------------------------------------------------*/\r
+\r
+/** \r
+ * @brief DAC Init structure definition\r
+ */\r
+ \r
+typedef struct\r
+{\r
+ uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.\r
+ This parameter can be a value of @ref DAC_trigger_selection */\r
+\r
+ uint32_t DAC_WaveGeneration; /*!< Specifies whether DAC channel noise waves or triangle waves\r
+ are generated, or whether no wave is generated.\r
+ This parameter can be a value of @ref DAC_wave_generation */\r
+\r
+ uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or\r
+ the maximum amplitude triangle generation for the DAC channel. \r
+ This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */\r
+\r
+ uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.\r
+ This parameter can be a value of @ref DAC_output_buffer */\r
+}DAC_InitTypeDef;\r
+\r
+/* Exported constants --------------------------------------------------------*/\r
+\r
+/** @defgroup DAC_Exported_Constants\r
+ * @{\r
+ */\r
+\r
+/** @defgroup DAC_trigger_selection \r
+ * @{\r
+ */\r
+ \r
+#define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register \r
+ has been loaded, and not by external trigger */\r
+#define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_T9_TRGO ((uint32_t)0x0000001C) /*!< TIM9 TRGO selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_T4_TRGO ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */\r
+#define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */\r
+\r
+#define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \\r
+ ((TRIGGER) == DAC_Trigger_T6_TRGO) || \\r
+ ((TRIGGER) == DAC_Trigger_T7_TRGO) || \\r
+ ((TRIGGER) == DAC_Trigger_T9_TRGO) || \\r
+ ((TRIGGER) == DAC_Trigger_T2_TRGO) || \\r
+ ((TRIGGER) == DAC_Trigger_T4_TRGO) || \\r
+ ((TRIGGER) == DAC_Trigger_Ext_IT9) || \\r
+ ((TRIGGER) == DAC_Trigger_Software))\r
+ \r
+/**\r
+ * @}\r
+ */\r
+ \r
+/** @defgroup DAC_wave_generation \r
+ * @{\r
+ */\r
+\r
+#define DAC_WaveGeneration_None ((uint32_t)0x00000000)\r
+#define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)\r
+#define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)\r
+#define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \\r
+ ((WAVE) == DAC_WaveGeneration_Noise) || \\r
+ ((WAVE) == DAC_WaveGeneration_Triangle))\r
+/**\r
+ * @}\r
+ */\r
+ \r
+/** @defgroup DAC_lfsrunmask_triangleamplitude\r
+ * @{\r
+ */\r
+\r
+#define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */\r
+#define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */\r
+#define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */\r
+#define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */\r
+#define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */\r
+#define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */\r
+#define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */\r
+#define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */\r
+#define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */\r
+#define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */\r
+#define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */\r
+#define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */\r
+#define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */\r
+#define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */\r
+\r
+#define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \\r
+ ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_1) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_3) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_7) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_15) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_31) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_63) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_127) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_255) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_511) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_1023) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_2047) || \\r
+ ((VALUE) == DAC_TriangleAmplitude_4095))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup DAC_output_buffer \r
+ * @{\r
+ */\r
+\r
+#define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)\r
+#define DAC_OutputBuffer_Disable ((uint32_t)0x00000002)\r
+#define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \\r
+ ((STATE) == DAC_OutputBuffer_Disable))\r
+/**\r
+ * @}\r
+ */\r
+ \r
+/** @defgroup DAC_Channel_selection \r
+ * @{\r
+ */\r
+\r
+#define DAC_Channel_1 ((uint32_t)0x00000000)\r
+#define DAC_Channel_2 ((uint32_t)0x00000010)\r
+#define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \\r
+ ((CHANNEL) == DAC_Channel_2))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup DAC_data_alignment \r
+ * @{\r
+ */\r
+\r
+#define DAC_Align_12b_R ((uint32_t)0x00000000)\r
+#define DAC_Align_12b_L ((uint32_t)0x00000004)\r
+#define DAC_Align_8b_R ((uint32_t)0x00000008)\r
+#define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \\r
+ ((ALIGN) == DAC_Align_12b_L) || \\r
+ ((ALIGN) == DAC_Align_8b_R))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup DAC_wave_generation \r
+ * @{\r
+ */\r
+\r
+#define DAC_Wave_Noise ((uint32_t)0x00000040)\r
+#define DAC_Wave_Triangle ((uint32_t)0x00000080)\r
+#define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \\r
+ ((WAVE) == DAC_Wave_Triangle))\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup DAC_data \r
+ * @{\r
+ */\r
+\r
+#define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0) \r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup DAC_interrupts_definition \r
+ * @{\r
+ */ \r
+ \r
+#define DAC_IT_DMAUDR ((uint32_t)0x00002000) \r
+#define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR)) \r
+\r
+/**\r
+ * @}\r
+ */ \r
+\r
+\r
+/** @defgroup DAC_flags_definition \r
+ * @{\r
+ */ \r
+ \r
+#define DAC_FLAG_DMAUDR ((uint32_t)0x00002000) \r
+ \r
+#define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR)) \r
+\r
+/**\r
+ * @}\r
+ */ \r
+\r
+/**\r
+ * @}\r
+ */ \r
+\r
+/* Exported macro ------------------------------------------------------------*/\r
+/* Exported functions ------------------------------------------------------- */ \r
+\r
+/* Function used to set the DAC configuration to the default reset state *****/ \r
+void DAC_DeInit(void);\r
+\r
+/* DAC channels configuration: trigger, output buffer, data format functions */\r
+void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);\r
+void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);\r
+void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);\r
+void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);\r
+void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);\r
+void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);\r
+void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);\r
+void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);\r
+void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);\r
+uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);\r
+\r
+/* DMA management functions ***************************************************/\r
+void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);\r
+\r
+/* Interrupts and flags management functions **********************************/\r
+void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);\r
+FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);\r
+void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);\r
+ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);\r
+void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /*__STM32L1xx_DAC_H */\r
+\r
+/**\r
+ * @}\r
+ */ \r
+\r
+/**\r
+ * @}\r
+ */ \r
+\r
+/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/\r