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#ifndef _BFLB_ACOMP_H
#define _BFLB_ACOMP_H
#include "bflb_core.h"
/** @addtogroup LHAL
* @{
*/
/** @addtogroup ACOMP
* @{
*/
/** @defgroup Analog compare id type definition
* @{
*/
#define AON_ACOMP0_ID 0
#define AON_ACOMP1_ID 1
/** @defgroup Analog compare scaling factor type definition
* @{
*/
#define AON_ACOMP_SCALING_FACTOR_0P25 0x00 /*!< Analog compare level scaling factor 0.25 */
#define AON_ACOMP_SCALING_FACTOR_0P5 0x10 /*!< Analog compare level scaling factor 0.5 */
#define AON_ACOMP_SCALING_FACTOR_0P75 0x20 /*!< Analog compare level scaling factor 0.75 */
#define AON_ACOMP_SCALING_FACTOR_1 0x30 /*!< Analog compare level scaling factor 1 */
/**
* @brief Analog compare channel type definition
*/
#define AON_ACOMP_CHAN_ADC0 0 /*!< Analog compare channel,ADC input channel 0 */
#define AON_ACOMP_CHAN_ADC1 1 /*!< Analog compare channel,ADC input channel 1 */
#define AON_ACOMP_CHAN_ADC2 2 /*!< Analog compare channel,ADC input channel 2 */
#define AON_ACOMP_CHAN_ADC3 3 /*!< Analog compare channel,ADC input channel 3 */
#define AON_ACOMP_CHAN_ADC4 4 /*!< Analog compare channel,ADC input channel 4 */
#define AON_ACOMP_CHAN_ADC5 5 /*!< Analog compare channel,ADC input channel 5 */
#define AON_ACOMP_CHAN_ADC6 6 /*!< Analog compare channel,ADC input channel 6 */
#define AON_ACOMP_CHAN_ADC7 7 /*!< Analog compare channel,ADC input channel 7 */
#define AON_ACOMP_CHAN_DACA 8 /*!< Analog compare channel,DAC output channel A */
#define AON_ACOMP_CHAN_DACB 9 /*!< Analog compare channel,DAC output channel B */
#define AON_ACOMP_CHAN_VREF_1P25V 10 /*!< Analog compare channel,1.25V ref voltage */
#define AON_ACOMP_CHAN_VIO_X_SCALING_FACTOR_1 11 /*!< Analog compare channel,first,VIO * scaling factor */
#define AON_ACOMP_CHAN_VIO_X_SCALING_FACTOR_2 12 /*!< Analog compare channel,second,VIO * scaling factor */
#define AON_ACOMP_CHAN_VIO_X_SCALING_FACTOR_3 13 /*!< Analog compare channel,third,VIO * scaling factor */
#define AON_ACOMP_CHAN_VIO_X_SCALING_FACTOR_4 14 /*!< Analog compare channel,forth,VIO * scaling factor */
#define AON_ACOMP_CHAN_VSS 15 /*!< Analog compare channel,vss */
/**
* @brief Analog compare bias current control type definition
*/
#define AON_ACOMP_BIAS_POWER_MODE1 0 /*!< Analog compare power mode 1,slow response mode */
#define AON_ACOMP_BIAS_POWER_MODE2 1 /*!< Analog compare power mode 2,medium response mode */
#define AON_ACOMP_BIAS_POWER_MODE3 2 /*!< Analog compare power mode 3,fast response mode */
#define AON_ACOMP_BIAS_POWER_NONE 3 /*!< Analog compare power mode none */
/**
* @brief Analog compare hysteresis voltage type definition
*/
#define AON_ACOMP_HYSTERESIS_VOLT_NONE 0 /*!< Analog compare hysteresis voltage none */
#define AON_ACOMP_HYSTERESIS_VOLT_10MV 1 /*!< Analog compare hysteresis voltage 10mv */
#define AON_ACOMP_HYSTERESIS_VOLT_20MV 2 /*!< Analog compare hysteresis voltage 20mv */
#define AON_ACOMP_HYSTERESIS_VOLT_30MV 3 /*!< Analog compare hysteresis voltage 30mv */
#define AON_ACOMP_HYSTERESIS_VOLT_40MV 4 /*!< Analog compare hysteresis voltage 40mv */
#define AON_ACOMP_HYSTERESIS_VOLT_50MV 5 /*!< Analog compare hysteresis voltage 50mv */
#define AON_ACOMP_HYSTERESIS_VOLT_60MV 6 /*!< Analog compare hysteresis voltage 60mv */
#define AON_ACOMP_HYSTERESIS_VOLT_70MV 7 /*!< Analog compare hysteresis voltage 70mv */
/**
* @brief ACOMP configuration structure
*
* @param mux_en ACOMP mux enable
* @param pos_chan_sel ACOMP positive channel select
* @param neg_chan_sel ACOMP negtive channel select
* @param vio_sel ACOMP VIO voltage select, (vioSel/66)*avdd33
* @param scaling_factor ACOMP scaling factor select factor
* @param bias_prog ACOMP bias current control
* @param hysteresis_pos_volt ACOMP hysteresis voltage for positive
* @param hysteresis_neg_volt ACOMP hysteresis voltage for negtive
*/
struct bflb_acomp_config_s {
uint8_t mux_en;
uint8_t pos_chan_sel;
uint8_t neg_chan_sel;
uint8_t vio_sel;
uint8_t scaling_factor;
uint8_t bias_prog;
uint8_t hysteresis_pos_volt;
uint8_t hysteresis_neg_volt;
};
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initialize acomp.
*
* @param [in] acomp_id acomp index
* @param [in] config pointer to save acomp configuration
*/
void bflb_acomp_init(uint8_t acomp_id, const struct bflb_acomp_config_s *config);
/**
* @brief Enable acomp.
*
* @param [in] acomp_id acomp index
*/
void bflb_acomp_enable(uint8_t acomp_id);
/**
* @brief Disable acomp.
*
* @param [in] acomp_id acomp index
*/
void bflb_acomp_disable(uint8_t acomp_id);
/**
* @brief Get acomp result.
*
* @param [in] acomp_id acomp index
* @return acomp result
*/
uint32_t bflb_acomp_get_result(uint8_t acomp_id);
/**
* @brief gpio change adc_chan_id.
*
* @param [in] pin gpio index
* @param [out] channel adc channel index
* @return Zero on success; a negated errno value on failure
*/
uint32_t bflb_acomp_gpio_2_chanid(uint32_t pin, uint32_t* channel);
/**
* @brief adc_chan_id change gpio index.
*
* @param [in] channel adc channel index
* @param [out] pin gpio index
* @return Zero on success; a negated errno value on failure
*/
uint32_t bflb_acomp_chanid_2_gpio(uint32_t channel, uint32_t* pin);
#if 0
/**
* @brief Get acomp postive input.
*
* @param [in] acomp_id acomp index
* @return acomp postive input
*/
uint32_t bflb_acomp_get_postive_input(uint8_t acomp_id);
#endif
#ifdef __cplusplus
}
#endif
#endif
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