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Added ring buffer revert

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This commit is contained in:
Hector van der Aa
2026-06-03 08:45:10 +02:00
parent 22c732be02
commit 21f0b5a3ea
2 changed files with 7 additions and 0 deletions
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2
STM32/CM7/Core/Inc/ring_buffer.h
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@@ -11,3 +11,5 @@ typedef struct ring_buffer_t {
inline void ringBufferPush(ring_buffer_t *rb, uint32_t value); inline void ringBufferPush(ring_buffer_t *rb, uint32_t value);
inline uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx); inline uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx);
inline void ringBufferRevert(ring_buffer_t *rb, uint8_t val);

5
STM32/CM7/Core/Src/ring_buffer.c
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@@ -15,3 +15,8 @@ void ringBufferPush(ring_buffer_t *rb, uint32_t value) {
uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx) { uint32_t ringBufferRead(ring_buffer_t *rb, uint8_t idx) {
return rb->buffer[rb->w_head - 1 - idx]; return rb->buffer[rb->w_head - 1 - idx];
} }
void ringBufferRevert(ring_buffer_t *rb, uint8_t val) {
rb->w_head -= val;
return;
}