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refactor: Align size in ringbufs Split and NoSplit to 4 bytes and add 8 bytes per item #6

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Apr 4, 2024
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refactor: Align size in ringbufs Split and NoSplit to 4 bytes and add 8 bytes per item #6

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50 changes: 34 additions & 16 deletions src/RTOScppRingBuffer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -82,25 +82,34 @@ class RingBufferNoSplitBase : public RingBufferBase<T> {
template <typename T>
class RingBufferNoSplitDynamic : public RingBufferNoSplitBase<T> {
public:
RingBufferNoSplitDynamic(uint32_t buffer_size)
: RingBufferNoSplitBase<T>(xRingbufferCreate(buffer_size, RINGBUF_TYPE_NOSPLIT)) {}
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferNoSplitDynamic(uint32_t length)
: RingBufferNoSplitBase<T>(xRingbufferCreate(length * ALIGNED_SIZE, RINGBUF_TYPE_NOSPLIT)) {}
};

template <typename T, uint32_t BUFFER_SIZE>
template <typename T, uint32_t LENGTH>
class RingBufferNoSplitStatic : public RingBufferNoSplitBase<T> {
public:
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferNoSplitStatic()
: RingBufferNoSplitBase<T>(
xRingbufferCreateStatic(BUFFER_SIZE, RINGBUF_TYPE_NOSPLIT, _storage, &_tcb)) {}
xRingbufferCreateStatic(LENGTH * ALIGNED_SIZE, RINGBUF_TYPE_NOSPLIT, _storage, &_tcb)) {}

private:
StaticRingbuffer_t _tcb;
uint8_t _storage[BUFFER_SIZE];
uint8_t _storage[LENGTH * ALIGNED_SIZE];
};

template <typename T>
class RingBufferNoSplitExternalStorage : public RingBufferNoSplitBase<T> {
public:
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferNoSplitExternalStorage()
: RingBufferNoSplitBase<T>(nullptr) {}

Expand Down Expand Up @@ -133,25 +142,34 @@ class RingBufferSplitBase : public RingBufferBase<T> {
template <typename T>
class RingBufferSplitDynamic : public RingBufferSplitBase<T> {
public:
RingBufferSplitDynamic(uint32_t buffer_size)
: RingBufferSplitBase<T>(xRingbufferCreate(buffer_size, RINGBUF_TYPE_ALLOWSPLIT)) {}
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferSplitDynamic(uint32_t length)
: RingBufferSplitBase<T>(xRingbufferCreate(length * ALIGNED_SIZE, RINGBUF_TYPE_ALLOWSPLIT)) {}
};

template <typename T, uint32_t BUFFER_SIZE>
template <typename T, uint32_t LENGTH>
class RingBufferSplitStatic : public RingBufferSplitBase<T> {
public:
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferSplitStatic()
: RingBufferSplitBase<T>(
xRingbufferCreateStatic(BUFFER_SIZE, RINGBUF_TYPE_ALLOWSPLIT, _storage, &_tcb)) {}
: RingBufferSplitBase<T>(xRingbufferCreateStatic(LENGTH * ALIGNED_SIZE,
RINGBUF_TYPE_ALLOWSPLIT, _storage, &_tcb)) {}

private:
StaticRingbuffer_t _tcb;
uint8_t _storage[BUFFER_SIZE];
uint8_t _storage[LENGTH * ALIGNED_SIZE];
};

template <typename T>
class RingBufferSplitExternalStorage : public RingBufferSplitBase<T> {
public:
// Size aligned to nearest 4 bytes + 8 bytes per item
static constexpr uint32_t ALIGNED_SIZE = 4 * ((sizeof(T) + 3) / 4) + 8;

RingBufferSplitExternalStorage()
: RingBufferSplitBase<T>(nullptr) {}

Expand Down Expand Up @@ -183,20 +201,20 @@ class RingBufferByteBase : public RingBufferBase<T> {
template <typename T>
class RingBufferByteDynamic : public RingBufferByteBase<T> {
public:
RingBufferByteDynamic(uint32_t buffer_size)
: RingBufferByteBase<T>(xRingbufferCreate(buffer_size, RINGBUF_TYPE_BYTEBUF)) {}
RingBufferByteDynamic(uint32_t length)
: RingBufferByteBase<T>(xRingbufferCreate(length, RINGBUF_TYPE_BYTEBUF)) {}
};

template <typename T, uint32_t BUFFER_SIZE>
template <typename T, uint32_t LENGTH>
class RingBufferByteStatic : public RingBufferByteBase<T> {
public:
RingBufferByteStatic()
: RingBufferByteBase<T>(
xRingbufferCreateStatic(BUFFER_SIZE, RINGBUF_TYPE_BYTEBUF, _storage, &_tcb)) {}
xRingbufferCreateStatic(LENGTH, RINGBUF_TYPE_BYTEBUF, _storage, &_tcb)) {}

private:
StaticRingbuffer_t _tcb;
uint8_t _storage[BUFFER_SIZE];
uint8_t _storage[LENGTH];
};

template <typename T>
Expand Down