123 lines
7.9 KiB
C
123 lines
7.9 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v30x_dac.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains all the functions prototypes for the
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* DAC firmware library.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH32V30x_DAC_H
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#define __CH32V30x_DAC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v30x.h"
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/* DAC Init structure definition */
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typedef struct
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{
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uint32_t DAC_Trigger; /* Specifies the external trigger for the selected DAC channel.
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This parameter can be a value of @ref DAC_trigger_selection */
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uint32_t DAC_WaveGeneration; /* Specifies whether DAC channel noise waves or triangle waves
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are generated, or whether no wave is generated.
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This parameter can be a value of @ref DAC_wave_generation */
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uint32_t DAC_LFSRUnmask_TriangleAmplitude; /* Specifies the LFSR mask for noise wave generation or
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the maximum amplitude triangle generation for the DAC channel.
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This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */
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uint32_t DAC_OutputBuffer; /* Specifies whether the DAC channel output buffer is enabled or disabled.
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This parameter can be a value of @ref DAC_output_buffer */
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}DAC_InitTypeDef;
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/* DAC_trigger_selection */
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#define DAC_Trigger_None ((uint32_t)0x00000000) /* Conversion is automatic once the DAC1_DHRxxxx register
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has been loaded, and not by external trigger */
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#define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /* TIM6 TRGO selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_T8_TRGO ((uint32_t)0x0000000C) /* TIM8 TRGO selected as external conversion trigger for DAC channel
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only in High-density devices*/
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#define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /* TIM7 TRGO selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_T5_TRGO ((uint32_t)0x0000001C) /* TIM5 TRGO selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /* TIM2 TRGO selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_T4_TRGO ((uint32_t)0x0000002C) /* TIM4 TRGO selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /* EXTI Line9 event selected as external conversion trigger for DAC channel */
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#define DAC_Trigger_Software ((uint32_t)0x0000003C) /* Conversion started by software trigger for DAC channel */
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/* DAC_wave_generation */
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#define DAC_WaveGeneration_None ((uint32_t)0x00000000)
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#define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)
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#define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)
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/* DAC_lfsrunmask_triangleamplitude */
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#define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /* Unmask DAC channel LFSR bit0 for noise wave generation */
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#define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /* Unmask DAC channel LFSR bit[1:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /* Unmask DAC channel LFSR bit[2:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /* Unmask DAC channel LFSR bit[3:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /* Unmask DAC channel LFSR bit[4:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /* Unmask DAC channel LFSR bit[5:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /* Unmask DAC channel LFSR bit[6:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /* Unmask DAC channel LFSR bit[7:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /* Unmask DAC channel LFSR bit[8:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /* Unmask DAC channel LFSR bit[9:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /* Unmask DAC channel LFSR bit[10:0] for noise wave generation */
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#define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /* Unmask DAC channel LFSR bit[11:0] for noise wave generation */
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#define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /* Select max triangle amplitude of 1 */
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#define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /* Select max triangle amplitude of 3 */
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#define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /* Select max triangle amplitude of 7 */
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#define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /* Select max triangle amplitude of 15 */
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#define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /* Select max triangle amplitude of 31 */
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#define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /* Select max triangle amplitude of 63 */
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#define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /* Select max triangle amplitude of 127 */
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#define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /* Select max triangle amplitude of 255 */
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#define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /* Select max triangle amplitude of 511 */
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#define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /* Select max triangle amplitude of 1023 */
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#define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /* Select max triangle amplitude of 2047 */
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#define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /* Select max triangle amplitude of 4095 */
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/* DAC_output_buffer */
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#define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)
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#define DAC_OutputBuffer_Disable ((uint32_t)0x00000002)
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/* DAC_Channel_selection */
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#define DAC_Channel_1 ((uint32_t)0x00000000)
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#define DAC_Channel_2 ((uint32_t)0x00000010)
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/* DAC_data_alignment */
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#define DAC_Align_12b_R ((uint32_t)0x00000000)
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#define DAC_Align_12b_L ((uint32_t)0x00000004)
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#define DAC_Align_8b_R ((uint32_t)0x00000008)
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/* DAC_wave_generation */
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#define DAC_Wave_Noise ((uint32_t)0x00000040)
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#define DAC_Wave_Triangle ((uint32_t)0x00000080)
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void DAC_DeInit(void);
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void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
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void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
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void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
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void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
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void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
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void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);
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void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);
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void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
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void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);
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void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);
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uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
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#ifdef __cplusplus
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}
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#endif
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#endif
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