/********************************** (C) COPYRIGHT ******************************* * File Name : ch32v30x_dac.h * Author : WCH * Version : V1.0.0 * Date : 2021/06/06 * Description : This file contains all the functions prototypes for the * DAC firmware library. ********************************************************************************* * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Attention: This software (modified or not) and binary are used for * microcontroller manufactured by Nanjing Qinheng Microelectronics. *******************************************************************************/ #ifndef __CH32V30x_DAC_H #define __CH32V30x_DAC_H #ifdef __cplusplus extern "C" { #endif #include "ch32v30x.h" /* 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; /* 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_T6_TRGO ((uint32_t)0x00000004) /* TIM6 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 only in High-density devices*/ #define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /* TIM7 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_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_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 */ /* DAC_wave_generation */ #define DAC_WaveGeneration_None ((uint32_t)0x00000000) #define DAC_WaveGeneration_Noise ((uint32_t)0x00000040) #define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080) /* 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 */ /* DAC_output_buffer */ #define DAC_OutputBuffer_Enable ((uint32_t)0x00000000) #define DAC_OutputBuffer_Disable ((uint32_t)0x00000002) /* DAC_Channel_selection */ #define DAC_Channel_1 ((uint32_t)0x00000000) #define DAC_Channel_2 ((uint32_t)0x00000010) /* DAC_data_alignment */ #define DAC_Align_12b_R ((uint32_t)0x00000000) #define DAC_Align_12b_L ((uint32_t)0x00000004) #define DAC_Align_8b_R ((uint32_t)0x00000008) /* DAC_wave_generation */ #define DAC_Wave_Noise ((uint32_t)0x00000040) #define DAC_Wave_Triangle ((uint32_t)0x00000080) void DAC_DeInit(void); 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_DMACmd(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); #ifdef __cplusplus } #endif #endif