rt-thread/bsp/apm32/libraries/APM32F10x_Library/APM32F10x_StdPeriphDriver/inc/apm32f10x_dac.h

/*!
 * @file        apm32f10x_dac.h
 *
 * @brief       This file contains all the functions prototypes for the DAC firmware library
 *
 * @version     V1.0.4
 *
 * @date        2022-12-01
 *
 * @attention
 *
 *  Copyright (C) 2020-2022 Geehy Semiconductor
 *
 *  You may not use this file except in compliance with the
 *  GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
 *
 *  The program is only for reference, which is distributed in the hope
 *  that it will be useful and instructional for customers to develop
 *  their software. Unless required by applicable law or agreed to in
 *  writing, the program is distributed on an "AS IS" BASIS, WITHOUT
 *  ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
 *  and limitations under the License.
 */

#ifndef __APM32F10X_DAC_H
#define __APM32F10X_DAC_H

/* Includes */
#include "apm32f10x.h"

#ifdef __cplusplus
extern "C" {
#endif

/** @addtogroup APM32F10x_StdPeriphDriver
  @{
*/

/** @addtogroup DAC_Driver DAC Driver
  @{
*/

/** @defgroup DAC_Enumerations Enumerations
  @{
*/

/**
 * @brief    DAC Channel selection
 */
typedef enum
{
    DAC_CHANNEL_1 = 0x00000000,
    DAC_CHANNEL_2 = 0x00000010
} DAC_CHANNEL_T;

/**
 * @brief    DAC trigger selection
 */
typedef enum
{
    DAC_TRIGGER_NONE       = 0x00000000,
    DAC_TRIGGER_TMR6_TRGO  = 0x00000004,
    DAC_TRIGGER_TMR8_TRGO  = 0x0000000C,
    DAC_TRIGGER_TMR7_TRGO  = 0x00000014,
    DAC_TRIGGER_TMR5_TRGO  = 0x0000001C,
    DAC_TRIGGER_TMR2_TRGO  = 0x00000024,
    DAC_TRIGGER_TMR4_TRGO  = 0x0000002C,
    DAC_TRIGGER_EINT9      = 0x00000034,
    DAC_TRIGGER_SOFT       = 0x0000003C
} DAC_TRIGGER_T;

/**
 * @brief    DAC wave generation
 */
typedef enum
{
    DAC_WAVE_GENERATION_NONE     = 0x00000000,
    DAC_WAVE_GENERATION_NOISE    = 0x00000040,
    DAC_WAVE_GENERATION_TRIANGLE = 0x00000080
} DAC_WAVE_GENERATION_T;

/**
 * @brief    DAC channelx mask/amplitude selector
 */
typedef enum
{
    DAC_LFSR_MASK_BIT11_1  = 0x00000000, /*!< Mask bit[11:1] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_2  = 0x00000100, /*!< Mask bit[11:2] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_3  = 0x00000200, /*!< Mask bit[11:3] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_4  = 0x00000300, /*!< Mask bit[11:4] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_5  = 0x00000400, /*!< Mask bit[11:5] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_6  = 0x00000500, /*!< Mask bit[11:6] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_7  = 0x00000600, /*!< Mask bit[11:7] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_8  = 0x00000700, /*!< Mask bit[11:8] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_9  = 0x00000800, /*!< Mask bit[11:9] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11_10 = 0x00000900, /*!< Mask bit[11:10] of LFSR for noise wave generation */
    DAC_LFSR_MASK_BIT11    = 0x00000A00, /*!< Mask bit11 of LFSR for noise wave generation */
    DAC_LFSR_MASK_NONE     = 0x00000B00, /*!< Mask none bit of LFSR for noise wave generation */

    DAC_TRIANGLE_AMPLITUDE_1    = 0x00000000, /*!< Triangle amplitude equal to 1 */
    DAC_TRIANGLE_AMPLITUDE_3    = 0x00000100, /*!< Triangle amplitude equal to 3 */
    DAC_TRIANGLE_AMPLITUDE_7    = 0x00000200, /*!< Triangle amplitude equal to 7 */
    DAC_TRIANGLE_AMPLITUDE_15   = 0x00000300, /*!< Triangle amplitude equal to 15 */
    DAC_TRIANGLE_AMPLITUDE_31   = 0x00000400, /*!< Triangle amplitude equal to 31 */
    DAC_TRIANGLE_AMPLITUDE_63   = 0x00000500, /*!< Triangle amplitude equal to 63 */
    DAC_TRIANGLE_AMPLITUDE_127  = 0x00000600, /*!< Triangle amplitude equal to 127 */
    DAC_TRIANGLE_AMPLITUDE_255  = 0x00000700, /*!< Triangle amplitude equal to 255 */
    DAC_TRIANGLE_AMPLITUDE_511  = 0x00000800, /*!< Triangle amplitude equal to 511 */
    DAC_TRIANGLE_AMPLITUDE_1023 = 0x00000900, /*!< Triangle amplitude equal to 1023 */
    DAC_TRIANGLE_AMPLITUDE_2047 = 0x00000A00, /*!< Triangle amplitude equal to 2047 */
    DAC_TRIANGLE_AMPLITUDE_4095 = 0x00000B00  /*!< Triangle amplitude equal to 4095 */
} DAC_MASK_AMPLITUDE_SEL_T;

/**
 * @brief    DAC output buffer
 */
typedef enum
{
    DAC_OUTPUT_BUFFER_ENBALE  = 0x00000000,
    DAC_OUTPUT_BUFFER_DISABLE = 0x00000002
} DAC_OUTPUT_BUFFER_T;

/**
 * @brief    DAC data align
 */
typedef enum
{
    DAC_ALIGN_12BIT_R = 0x00000000,
    DAC_ALIGN_12BIT_L = 0x00000004,
    DAC_ALIGN_8BIT_R  = 0x00000008
} DAC_ALIGN_T;

/**@} end of group DAC_Enumerations*/


/** @defgroup DAC_Structures Structures
  @{
*/

/**
 * @brief    DAC Config structure definition
 */
typedef struct
{
    DAC_TRIGGER_T               trigger;
    DAC_OUTPUT_BUFFER_T         outputBuffer;
    DAC_WAVE_GENERATION_T       waveGeneration;
    DAC_MASK_AMPLITUDE_SEL_T    maskAmplitudeSelect;
} DAC_Config_T;

/**@} end of group DAC_Structures*/


/** @defgroup DAC_Functions Functions
  @{
*/

/* DAC Reset and Configuration */
void DAC_Reset(void);
void DAC_Config(uint32_t channel, DAC_Config_T* dacConfig);
void DAC_ConfigStructInit(DAC_Config_T* dacConfig);
void DAC_Enable(DAC_CHANNEL_T channel);
void DAC_Disable(DAC_CHANNEL_T channel);

/* DAC channel for DAM */
void DAC_DMA_Enable(DAC_CHANNEL_T channel);
void DAC_DMA_Disable(DAC_CHANNEL_T channel);

/* DAC channel software trigger */
void DAC_EnableSoftwareTrigger(DAC_CHANNEL_T channel);
void DAC_DisableSoftwareTrigger(DAC_CHANNEL_T channel);
void DAC_EnableDualSoftwareTrigger(void);
void DAC_DisableDualSoftwareTrigger(void);

/* DAC channel wave generation */
void DAC_EnableWaveGeneration(DAC_CHANNEL_T channel, DAC_WAVE_GENERATION_T wave);
void DAC_DisableWaveGeneration(DAC_CHANNEL_T channel, DAC_WAVE_GENERATION_T wave);

/* DAC set channel data */
void DAC_ConfigChannel1Data(DAC_ALIGN_T align, uint16_t data);
void DAC_ConfigChannel2Data(DAC_ALIGN_T align, uint16_t data);
void DAC_ConfigDualChannelData(DAC_ALIGN_T align, uint16_t data2, uint16_t data1);

/* DAC read data output value */
uint16_t DAC_ReadDataOutputValue(DAC_CHANNEL_T channel);

/**@} end of group DAC_Functions*/
/**@} end of group DAC_Driver */
/**@} end of group APM32F10x_StdPeriphDriver */

#ifdef __cplusplus
}
#endif

#endif /* __APM32F10X_DAC_H */