rt-thread/bsp/apm32/libraries/APM32F0xx_Library/APM32F0xx_StdPeriphDriver/inc/apm32f0xx_comp.h

/*!
 * @file        apm32f0xx_comp.h
 *
 * @brief       This file contains all the functions prototypes for the COMP firmware library
 *
 * @version     V1.0.3
 *
 * @date        2022-09-20
 *
 * @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.
 */

/* Define to prevent recursive inclusion */
#ifndef __APM32F0XX_COMP_H
#define __APM32F0XX_COMP_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes */
#include "apm32f0xx.h"

/** @addtogroup APM32F0xx_StdPeriphDriver
  @{
*/

/** @addtogroup COMP_Driver
  @{
*/

/** @defgroup COMP_Macros Macros
  @{
*/

/* Macros description */
#define COMP_CSTS_COMP1OUT     ((uint32_t)0x00004000)  /*!< COMP1 output state */
#define COMP_CSTS_COMP2OUT     ((uint32_t)0x40000000)  /*!< COMP2 output state */
#define COMP_OUTPUTLEVEL_HIGH  ((uint32_t)0x00004000)  /*!< COMP output level vaild high */
#define COMP_OUTPUTLEVEL_LOW   ((uint32_t)0x00000000)  /*!< COMP output level vaild low */

/**@} end of group COMP_Macros */

/** @defgroup COMP_Enumerations Enumerations
  @{
*/

/**
 * @brief    COMP_Selection
 */
typedef enum
{
    COMP_SELECT_COMP1 = ((uint32_t)0x00000000),  /*!< COMP1 */
    COMP_SELECT_COMP2 = ((uint32_t)0x00000010)   /*!< COMP2 */
} COMP_SELECT_T;

/**
 * @brief    COMP_InvertingInput
 */
typedef enum
{
    COMP_INVERTING_INPUT_1_4VREFINT = 0x00, /*!< 1/4 of VREFINT */
    COMP_INVERTING_INPUT_1_2VREFINT = 0x01, /*!< 1/2 of VREFINT */
    COMP_INVERTING_INPUT_3_4VREFINT = 0x02, /*!< 3/4 of VREFINT */
    COMP_INVERTING_INPUT_VREFINT    = 0x03, /*!< VREFINT */
    COMP_INVERTING_INPUT_DAC1       = 0x04, /*!< COMP1_INM4 (PA4 with DAC_OUT1 if enabled) */
    COMP_INVERTING_INPUT_DAC2       = 0x05, /*!< COMP1_INM5 (PA5 with DAC_OUT2 if present and enabled, only for APM32F072 and APM32F091 devices) */
    COMP_INVERTING_INPUT_IO         = 0x06, /*!< COMP1_INM6 (PA0) */
} COMP_INVERTING_INPUT_T;

/**
 * @brief    COMP_Output
 */
typedef enum
{
    COMP_OUTPUT_NONE         = 0x00, /*!< no selection */
    COMP_OUTPUT_TIM1BKIN     = 0x01, /*!< Timer 1 break input */
    COMP_OUTPUT_TIM1IC1      = 0x02, /*!< Timer 1 Input capture 1 */
    COMP_OUTPUT_TIM1OCREFCLR = 0x03, /*!< Timer 1 OCrefclear input */
    COMP_OUTPUT_TIM2IC4      = 0x04, /*!< Timer 2 input capture 4 */
    COMP_OUTPUT_TIM2OCREFCLR = 0x05, /*!< Timer 2 OCrefclear input */
    COMP_OUTPUT_TIM3IC1      = 0x06, /*!< Timer 3 input capture 1 */
    COMP_OUTPUT_TIM3OCREFCLR = 0x07, /*!< Timer 3 OCrefclear input */
} COMP_OUTPUT_T;

/**
 * @brief    COMP_OutputPolarity
 */
typedef enum
{
    COMP_OUTPUTPOL_NONINVERTED, /*!< output is not inverted */
    COMP_OUTPUTPOL_INVERTED     /*!< output is inverted */
} COMP_OUTPUTPOL_T;

/**
 * @brief    COMP_Hysteresis
 */
typedef enum
{
    COMP_HYSTERRSIS_NO     = 0x00, /*!< No hysteresis */
    COMP_HYSTERRSIS_LOW    = 0x01, /*!< Low hysteresis */
    COMP_HYSTERRSIS_MEDIUM = 0x02, /*!< Medium hysteresis */
    COMP_HYSTERRSIS_HIGH   = 0x03, /*!< High hysteresis */
} COMP_HYSTERRSIS_T;

/**
 * @brief    COMP_Mode
 */
typedef enum
{
    COMP_MODE_HIGHSPEED    = 0x00, /*!< High speed / full power */
    COMP_MODE_MEDIUMSPEED  = 0x01, /*!< Medium speed / medium power */
    COMP_MODE_LOWPOWER     = 0x02, /*!< Low speed / low-power */
    COMP_MODE_VERYLOW      = 0x03  /*!< Very-low speed / ultra-low power */
} COMP_MODE_T;

/**@} end of group COMP_Enumerations*/

/** @defgroup COMP_Structures Structures
  @{
*/

/**
 * @brief    OMP Config structure definition
 */
typedef struct
{
    COMP_INVERTING_INPUT_T invertingInput; /*!< Comparator inverting input selection */
    COMP_OUTPUT_T      output;             /*!< Comparator output selection */
    COMP_OUTPUTPOL_T   outputPol;          /*!< Comparator output polarity */
    COMP_HYSTERRSIS_T  hysterrsis;         /*!< Comparator hysteresis */
    COMP_MODE_T        mode;               /*!< Comparator mode */
} COMP_Config_T;

/**@} end of group COMP_Structures */

/** @defgroup COMP_Variables Variables
  @{
  */

/**@} end of group COMP_Variables */

/** @defgroup COMP_Functions Functions
  @{
*/

/* COMP configuration */
void COMP_Reset(void);
void COMP_Config(COMP_SELECT_T compSelect, COMP_Config_T* compConfig);
void COMP_ConfigStructInit(COMP_Config_T* compConfig);
void COMP_Enable(COMP_SELECT_T compSelect);
void COMP_Disable(COMP_SELECT_T compSelect);
void COMP_EnableSwitch(void);
void COMP_DisableSwitch(void);
uint32_t COMP_ReadOutPutLevel(COMP_SELECT_T compSelect);

/* Window mode control */
void COMP_EnableWindow(void);
void COMP_DisnableWindow(void);

/* COMP configuration locking */
void COMP_ConfigLOCK(COMP_SELECT_T compSelect);

#ifdef __cplusplus
}
#endif

#endif /* __APM32F0XX_COMP_H */

/**@} end of group COMP_Functions */
/**@} end of group COMP_Driver */
/**@} end of group APM32F0xx_StdPeriphDriver */