43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
// Copyright (C) 2025 Thies Lennart Alff
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct {
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uint32_t head;
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uint32_t tail;
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uint32_t length;
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uint8_t *data;
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bool full;
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} buffer_t;
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typedef buffer_t *buffer_handle_t;
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void buffer_init(buffer_handle_t handle, uint8_t *raw_buffer, uint32_t length);
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bool buffer_is_full(const buffer_handle_t);
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bool buffer_is_empty(const buffer_handle_t);
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uint32_t buffer_capacity(const buffer_handle_t);
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uint32_t buffer_size(const buffer_handle_t);
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uint32_t buffer_read_byte(buffer_handle_t, uint8_t *data);
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uint32_t buffer_read(buffer_handle_t, uint8_t *data, uint32_t length);
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uint32_t buffer_read2(buffer_handle_t, uint8_t *data, uint32_t length);
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uint32_t buffer_write_byte(buffer_handle_t, uint8_t byte);
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uint32_t buffer_write(buffer_handle_t, uint8_t *data, uint32_t length);
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bool buffer_find(const buffer_handle_t, uint8_t byte, uint32_t *index);
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