irrigation_system/software/include/lib/valve.h

122 lines
3.0 KiB
C

#ifndef VALVE_H
#define VALVE_H
#include <stdint.h>
#include <zephyr/drivers/gpio.h>
/**
* @file valve.h
* @brief API for controlling the motorized valve.
*
* This library provides functions to initialize, open, close, and stop the valve.
* It also allows getting the valve's state and movement status, and configuring
* the maximum opening and closing times.
*/
/**
* @brief Defines the GPIO pins used for the valve controller.
*/
struct valve_gpios {
const struct gpio_dt_spec in0; /**< Control input 0 for the VND7050AJ driver. */
const struct gpio_dt_spec in1; /**< Control input 1 for the VND7050AJ driver. */
const struct gpio_dt_spec rst; /**< Reset pin for the VND7050AJ driver. */
const struct gpio_dt_spec sen; /**< Sense (current measurement) pin. */
const struct gpio_dt_spec s0; /**< S0 select pin. */
const struct gpio_dt_spec s1; /**< S1 select pin. */
};
/**
* @brief Represents the static state of the valve (open or closed).
*/
enum valve_state {
VALVE_STATE_CLOSED, /**< The valve is fully closed. */
VALVE_STATE_OPEN, /**< The valve is fully open. */
};
/**
* @brief Represents the dynamic movement status of the valve.
*/
enum valve_movement {
VALVE_MOVEMENT_IDLE, /**< The valve is not moving. */
VALVE_MOVEMENT_OPENING, /**< The valve is currently opening. */
VALVE_MOVEMENT_CLOSING, /**< The valve is currently closing. */
VALVE_MOVEMENT_ERROR /**< An error occurred during movement. */
};
/**
* @brief Initializes the valve control system.
*
* Configures the GPIOs and loads saved settings for timeouts.
*/
void valve_init(void);
/**
* @brief Starts opening the valve.
*
* The valve will open for the configured maximum opening time.
*/
void valve_open(void);
/**
* @brief Starts closing the valve.
*
* The valve will close for the configured maximum closing time.
*/
void valve_close(void);
/**
* @brief Stops any ongoing valve movement immediately.
*/
void valve_stop(void);
/**
* @brief Gets the current static state of the valve.
*
* @return The current valve state (VALVE_STATE_CLOSED or VALVE_STATE_OPEN).
*/
enum valve_state valve_get_state(void);
/**
* @brief Gets the current movement status of the valve.
*
* @return The current movement status.
*/
enum valve_movement valve_get_movement(void);
/**
* @brief Gets the motor current.
*
* @return The motor current in milliamps (currently simulated).
*/
uint16_t valve_get_motor_current(void);
/**
* @brief Sets the maximum time for the valve to open.
*
* @param seconds The timeout in seconds.
*/
void valve_set_max_open_time(uint16_t seconds);
/**
* @brief Sets the maximum time for the valve to close.
*
* @param seconds The timeout in seconds.
*/
void valve_set_max_close_time(uint16_t seconds);
/**
* @brief Gets the configured maximum opening time.
*
* @return The timeout in seconds.
*/
uint16_t valve_get_max_open_time(void);
/**
* @brief Gets the configured maximum closing time.
*
* @return The timeout in seconds.
*/
uint16_t valve_get_max_close_time(void);
#endif // VALVE_H