// This file is part of the CircuitPython project: https://circuitpython.org

//

// SPDX-FileCopyrightText: Copyright (c) 2023 Jeff Epler for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#pragma once

#include "shared-module/synthio/block.h"

typedef struct synthio_lfo_obj {

synthio_block_base_t base;

bool once, interpolate;

synthio_block_slot_t rate, scale, offset, phase_offset;

mp_float_t accum;

mp_obj_t waveform_obj;

mp_buffer_info_t waveform_bufinfo;

} synthio_lfo_obj_t;

// Update the value inside the lfo slot if the value is an LFO, returning the new value

mp_float_t synthio_block_slot_get(synthio_block_slot_t *block_slot);

// the same, but the output is constrained to be between lo and hi

mp_float_t synthio_block_slot_get_limited(synthio_block_slot_t *block_slot, mp_float_t lo, mp_float_t hi);

// the same, but the output is constrained to be between lo and hi and converted to an integer with 15 fractional bits

int32_t synthio_block_slot_get_scaled(synthio_block_slot_t *block_slot, mp_float_t lo, mp_float_t hi);

// Assign an object (which may be a float or a synthio_block_obj_t) to an block slot

void synthio_block_assign_slot(mp_obj_t obj, synthio_block_slot_t *block_slot, qstr arg_name);