40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2023 Jeff Epler for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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#pragma once
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#include "py/obj.h"
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#include "py/proto.h"
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#include "shared-module/synthio/__init__.h"
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#include "shared-bindings/synthio/__init__.h"
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typedef struct synthio_block_base {
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mp_obj_base_t base;
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uint8_t last_tick;
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mp_float_t value;
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} synthio_block_base_t;
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typedef struct synthio_block_slot {
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mp_obj_t obj;
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} synthio_block_slot_t;
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typedef struct {
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MP_PROTOCOL_HEAD;
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mp_float_t (*tick)(mp_obj_t obj);
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} synthio_block_proto_t;
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// Update the value inside the lfo slot if the value is an LFO, returning the new value
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mp_float_t synthio_block_slot_get(synthio_block_slot_t *block_slot);
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// the same, but the output is constrained to be between lo and hi
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mp_float_t synthio_block_slot_get_limited(synthio_block_slot_t *block_slot, mp_float_t lo, mp_float_t hi);
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// the same, but the output is constrained to be between lo and hi and converted to an integer with 15 fractional bits
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int32_t synthio_block_slot_get_scaled(synthio_block_slot_t *block_slot, mp_float_t lo, mp_float_t hi);
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// Assign an object (which may be a float or a synthio_block_obj_t) to an block slot
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void synthio_block_assign_slot(mp_obj_t obj, synthio_block_slot_t *block_slot, qstr arg_name);
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bool synthio_block_assign_slot_maybe(mp_obj_t obj, synthio_block_slot_t *block_slot);
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bool synthio_obj_is_block(mp_obj_t obj);
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