25 lines
646 B
C
25 lines
646 B
C
// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
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// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <assert.h>
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#include <ring_buffer.h>
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#include <stdbool.h>
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#include <stdint.h>
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void ringBufferPush(volatile ring_buffer_t *rb, uint32_t value) {
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rb->buffer[rb->w_head] = value;
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rb->w_head++;
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return;
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}
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uint32_t ringBufferRead(volatile ring_buffer_t *rb, uint8_t neg_idx) {
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uint8_t idx = (uint8_t)(rb->w_head - 1u - neg_idx);
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return rb->buffer[idx];
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}
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void ringBufferRevert(volatile ring_buffer_t *rb, uint8_t val) {
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rb->w_head -= val;
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return;
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}
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