Files
CPipe/Pipe/pipe.h

94 lines
2.1 KiB
C

#ifndef PIPE_H_
#define PIPE_H_
#include <stdint.h>
#include "ringbuffer.h"
/* microsoft specific */
#define inline __inline
/* number of counts */
#define PIPE_OUTPUT_COUNT 4
typedef struct pipe_tt
{
ringbuffer_t * input;
void * state;
struct pipe_tt *output[PIPE_OUTPUT_COUNT];
uint8_t output_count;
char * name;
void(*log)(struct pipe_tt * from, struct pipe_tt * to, uint32_t elem);
} pipe_t;
/***********************************/
/* Functions to contruct pipe mesh */
/***********************************/
#define Concat2(a, b) a ## b
#define Concat(a, b) Concat2(a, b)
#define SizeOfArray(arg) ( sizeof(arg) / sizeof(arg[0]) )
#define Pipe_Create(arg_name, arg_state, arg_size, arg_log) \
static uint32_t Concat(buffer, __LINE__)[arg_size]; \
ringbuffer_t arg_name ## _rb; \
RingBuffer_InitFromArray(&arg_name ## _rb, Concat(buffer, __LINE__), SizeOfArray(Concat(buffer, __LINE__))); \
pipe_t arg_name; \
Pipe_Init(&arg_name, &arg_name ## _rb, arg_state, #arg_name, arg_log)
static inline void Pipe_Init(
pipe_t * const p,
ringbuffer_t * const arg_input,
void * arg_state,
char * const arg_name,
void(*arg_log)(struct pipe_tt * from, struct pipe_tt * to, uint32_t elem)
)
{
p->input = arg_input;
p->state = arg_state;
for (uint8_t i = 0; i < PIPE_OUTPUT_COUNT; i++)
p->output[i] = NULL;
p->output_count = 0;
p->name = arg_name;
p->log = arg_log;
}
static inline void Pipe_Connect(pipe_t * const a, pipe_t * const b)
{
a->output[a->output_count] = b;
a->output_count++;
}
/************************************/
/* Functions to work with pipe mesh */
/************************************/
static inline void Pipe_Insert(pipe_t * const p, uint32_t elem)
{
RingBuffer_Write(p->input, elem);
}
static inline uint32_t Pipe_Read(pipe_t * p)
{
return RingBuffer_Read(p->input);
}
static inline void Pipe_Write(pipe_t * p, uint32_t elem)
{
for (uint8_t i = 0; i < p->output_count; i++)
{
p->log(p, p->output[i], elem);
RingBuffer_Write(p->output[i]->input, elem);
}
}
static inline uint8_t Pipe_isFilled(pipe_t * p)
{
return RingBuffer_IsFilled(p->input);
}
#endif