/*
 * Copyright (c) 2022 Linumiz
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef ZEPHYR_INCLUDE_DRIVERS_SENSOR_GROW_R502A_H_
#define ZEPHYR_INCLUDE_DRIVERS_SENSOR_GROW_R502A_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <zephyr/drivers/sensor.h>

/*LED color code*/
enum r502a_led_color_idx {
	R502A_LED_COLOR_RED = 0x01,
	R502A_LED_COLOR_BLUE,
	R502A_LED_COLOR_PURPLE,
};

#define R502A_BAUD_9600 1
#define R502A_BAUD_19200 2
#define R502A_BAUD_38400 4
#define R502A_BAUD_57600 6
#define R502A_BAUD_115200 12

enum r502a_sec_level {
	R502A_SEC_LEVEL_1 = 1,
	R502A_SEC_LEVEL_2,
	R502A_SEC_LEVEL_3,
	R502A_SEC_LEVEL_4,
	R502A_SEC_LEVEL_5
};

enum r502a_data_len {
	R502A_PKG_LEN_32,
	R502A_PKG_LEN_64,
	R502A_PKG_LEN_128,
	R502A_PKG_LEN_256
};

enum r502a_sys_param_set {
	R502A_BAUD_RATE = 4,
	R502A_SECURITY_LEVEL,
	R502A_DATA_PKG_LEN
};

struct r502a_sys_param {
	uint16_t status_reg;
	uint16_t system_id;
	uint16_t lib_size;
	uint16_t sec_level;
	uint32_t addr;
	uint16_t data_pkt_size;
	uint32_t baud;
} __packed;

struct r502a_template {
	uint8_t *data;
	size_t len;
};
enum sensor_channel_grow_r502a {
	/** Fingerprint template count, ID number for enrolling and searching*/
	SENSOR_CHAN_FINGERPRINT = SENSOR_CHAN_PRIV_START,
};

enum sensor_trigger_type_grow_r502a {
	/** Trigger fires when a touch is detected. */
	SENSOR_TRIG_TOUCH = SENSOR_TRIG_PRIV_START,
};

enum sensor_attribute_grow_r502a {
	/** To capture finger and store as feature file in
	 * RAM buffers char_buf_1 and char_buf_2.
	 */
	SENSOR_ATTR_R502A_CAPTURE = SENSOR_ATTR_PRIV_START,
	/** create template from feature files at RAM buffers
	 * char_buf_1 & char_buf_2 and store a template data
	 * back in both RAM buffers char_buf_1 and char_buf_2.
	 */
	SENSOR_ATTR_R502A_TEMPLATE_CREATE,
	/** Add template to the sensor record storage */
	/**
	 * @param val->val1	record index for template to be
	 *			stored in the sensor device's flash
	 *			library.
	 */
	SENSOR_ATTR_R502A_RECORD_ADD,
	/** To find requested data in record storage */
	/**
	 * @result val->val1	matched record index.
	 *	   val->val2	matching score.
	 */
	SENSOR_ATTR_R502A_RECORD_FIND,
	/** To delete mentioned data from record storage */
	/**
	 * @param val->val1	record start index to be deleted.
	 * @param val->val2	number of records to be deleted.
	 */
	SENSOR_ATTR_R502A_RECORD_DEL,
	/** To get available position to store data on record storage */
	SENSOR_ATTR_R502A_RECORD_FREE_IDX,
	/** To empty the storage record*/
	SENSOR_ATTR_R502A_RECORD_EMPTY,
	/** To load template from storage to RAM buffer of sensor*/
	/**
	 * @param val->val1	record start index to be loaded in
	 *			device internal RAM buffer.
	 */
	SENSOR_ATTR_R502A_RECORD_LOAD,
	/** To template data stored in sensor's RAM buffer*/
	/**
	 * @result
	 *	val->val1	match result.
	 *			[R502A_FINGER_MATCH_FOUND or
	 *			R502A_FINGER_MATCH_NOT_FOUND]
	 *	val->val2	matching score.
	 */
	SENSOR_ATTR_R502A_COMPARE,
	/** To read and write device's system parameters */
	/** sensor_attr_set
	 * @param val->val1 parameter number from enum r502a_sys_param_set.
	 * @param val->val2 content to be written for the respective parameter.
	 */
	/** sensor_attr_get
	 * @result val->ex.data buffer holds the system parameter values.
	 */
	SENSOR_ATTR_R502A_SYS_PARAM,
};

int r502a_read_sys_param(const struct device *dev, struct r502a_sys_param *val);
int fps_upload_char_buf(const struct device *dev, struct r502a_template *temp);
int fps_download_char_buf(const struct device *dev, uint8_t char_buf_id,
				const struct r502a_template *temp);

#ifdef __cplusplus
}
#endif

#endif /* ZEPHYR_INCLUDE_ZEPHYR_DRIVERS_SENSOR_GROW_R502A_H_ */