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Speed Test created.

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Pipe renamed to Hub.
Log function deleted.
Some minor changes for speed.
This commit is contained in:
Andre Heber
2016-03-10 23:50:10 +01:00
parent ae55b0b4f8
commit bb7ca9e423
8 changed files with 528 additions and 300 deletions
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34
Pipe/ringbuffer.h
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@ -7,6 +7,12 @@
#define inline __inline
#endif
/*
A thread-safe ring buffer, which uses an pre-declared array as buffer.
But you have to declare a buffer with one more item than you really need.
For instance, if you need a ring buffer for 10 items, the array must be declared for 11 items.
*/
typedef struct {
uint32_t * reader;
uint32_t * writer;
@ -19,9 +25,6 @@ static inline void RingBuffer_Init(ringbuffer_t * const ring_buffer, uint32_t *
{
ring_buffer->start = ring_buffer->reader = ring_buffer->writer = &array[0];
ring_buffer->end = &array[0] + size - 1;
for (uint32_t i = 0; i < size; i++)
array[i] = 0;
}
static inline uint32_t * RingBuffer_NextAddress(ringbuffer_t * const ring_buffer, uint32_t * const pointer)
@ -51,7 +54,6 @@ static inline uint8_t RingBuffer_IsFilled(ringbuffer_t * const ring_buffer)
return !RingBuffer_IsEmpty(ring_buffer);
}
/* Write element into RingBuffer. */
static inline void RingBuffer_Write(ringbuffer_t * const ring_buffer, uint32_t element)
{
if (!RingBuffer_IsFull(ring_buffer))
@ -61,7 +63,6 @@ static inline void RingBuffer_Write(ringbuffer_t * const ring_buffer, uint32_t e
}
}
/* Read value from RingBuffer. */
static inline uint32_t RingBuffer_Read(ringbuffer_t * const ring_buffer)
{
uint32_t element = 0;
@ -69,19 +70,32 @@ static inline uint32_t RingBuffer_Read(ringbuffer_t * const ring_buffer)
if (!RingBuffer_IsEmpty(ring_buffer))
{
element = *(ring_buffer->reader);
*(ring_buffer->reader) = 30;
ring_buffer->reader = RingBuffer_NextAddress(ring_buffer, ring_buffer->reader);
}
return element;
}
#define Concat2(a, b) a ## b
#define Concat(a, b) Concat2(a, b)
#define UniqueBuffer(name) Concat(name, Concat(_buffer, __LINE__))
/*
Macro for the creation of a ring buffer.
*/
#define RingBuffer_Create(name, size) \
uint32_t Concat(name, Concat(_buffer, __LINE__))[size]; \
ringbuffer_t name; \
RingBuffer_Init(&name, Concat(name, Concat(_buffer, __LINE__)), size) \
#define RingBuffer_Create(name, size) \
uint32_t UniqueBuffer(name)[size]; \
ringbuffer_t name; \
RingBuffer_Init(&name, UniqueBuffer(name), size) \
#define RingBuffer(name, size) \
uint32_t UniqueBuffer(name)[size]; \
ringbuffer_t name = { \
.reader = &UniqueBuffer(name)[0], \
.writer = &UniqueBuffer(name)[0], \
.start = &UniqueBuffer(name)[0], \
.end = &UniqueBuffer(name)[0] + sizeof(UniqueBuffer(name)) / sizeof(UniqueBuffer(name)[0]) \
}
#endif