nrf_comp.h

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/*
 * Copyright (c) 2024 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_COMP_NRF_COMP_H_
#define ZEPHYR_INCLUDE_DRIVERS_COMP_NRF_COMP_H_
 
#include <zephyr/dt-bindings/comparator/nrf-comp.h>
#include <zephyr/drivers/comparator.h>
 
#ifdef __cplusplus
extern "C" {
#endif

enum comp_nrf_comp_refsel {
        COMP_NRF_COMP_REFSEL_INT_1V2,
        COMP_NRF_COMP_REFSEL_INT_1V8,
        COMP_NRF_COMP_REFSEL_INT_2V4,
        COMP_NRF_COMP_REFSEL_AVDDAO1V8,
        COMP_NRF_COMP_REFSEL_VDD,
        COMP_NRF_COMP_REFSEL_AREF,
};

enum comp_nrf_comp_sp_mode {
        COMP_NRF_COMP_SP_MODE_LOW,
        COMP_NRF_COMP_SP_MODE_NORMAL,
        COMP_NRF_COMP_SP_MODE_HIGH,
};

enum comp_nrf_comp_isource {
        COMP_NRF_COMP_ISOURCE_DISABLED,
        COMP_NRF_COMP_ISOURCE_2UA5,
        COMP_NRF_COMP_ISOURCE_5UA,
        COMP_NRF_COMP_ISOURCE_10UA,
};

struct comp_nrf_comp_se_config {
        uint8_t psel;
        enum comp_nrf_comp_sp_mode sp_mode;
        enum comp_nrf_comp_isource isource;
        uint8_t extrefsel;
        enum comp_nrf_comp_refsel refsel;
        uint8_t th_down;
        uint8_t th_up;
};

int comp_nrf_comp_configure_se(const struct device *dev,
                               const struct comp_nrf_comp_se_config *config);

struct comp_nrf_comp_diff_config {
        uint8_t psel;
        enum comp_nrf_comp_sp_mode sp_mode;
        enum comp_nrf_comp_isource isource;
        uint8_t extrefsel;
        bool enable_hyst;
};

int comp_nrf_comp_configure_diff(const struct device *dev,
                                 const struct comp_nrf_comp_diff_config *config);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_COMP_NRF_COMP_H_ */