This commit is contained in:
2016-03-03 22:00:09 +01:00
parent 85227c1f82
commit 2d403d66f7
6 changed files with 475 additions and 0 deletions

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.24720.0
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Pipe", "Pipe\Pipe.vcxproj", "{FA5ADF78-687F-4538-B7DB-C62B46B697C7}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Debug|x64.ActiveCfg = Debug|x64
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Debug|x64.Build.0 = Debug|x64
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Debug|x86.ActiveCfg = Debug|Win32
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Debug|x86.Build.0 = Debug|Win32
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Release|x64.ActiveCfg = Release|x64
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Release|x64.Build.0 = Release|x64
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Release|x86.ActiveCfg = Release|Win32
{FA5ADF78-687F-4538-B7DB-C62B46B697C7}.Release|x86.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
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<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{FA5ADF78-687F-4538-B7DB-C62B46B697C7}</ProjectGuid>
<RootNamespace>Pipe</RootNamespace>
<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v140</PlatformToolset>
<CharacterSet>MultiByte</CharacterSet>
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<ConfigurationType>Application</ConfigurationType>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<WarningLevel>Level3</WarningLevel>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
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<Link>
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<ClCompile Include="main.c" />
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<ClInclude Include="pipe.h" />
<ClInclude Include="ringbuffer.h" />
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Pipe/Pipe.vcxproj.filters Normal file
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<?xml version="1.0" encoding="utf-8"?>
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<ItemGroup>
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#include <stdio.h>
#include <stdint.h>
#include "ringbuffer.h"
#include "pipe.h"
void increment(pipe_t * const p)
{
while (Pipe_isFilled(p))
{
uint32_t item = Pipe_Read(p);
item++;
Pipe_Write(p, item);
}
}
void square(pipe_t * const p)
{
while (Pipe_isFilled(p))
{
uint32_t item = Pipe_Read(p);
item = item * item;
Pipe_Write(p, item);
}
}
void integrate(pipe_t * const p)
{
static uint32_t state = 0;
while (Pipe_isFilled(p))
{
uint32_t item = Pipe_Read(p);
state = state + item;
Pipe_Write(p, state);
}
}
void sum(pipe_t * const p)
{
uint32_t sum = 0;
while (Pipe_isFilled(p))
sum += Pipe_Read(p);
Pipe_Write(p, sum);
}
void average(pipe_t * const p)
{
uint32_t sum = 0;
uint32_t element_counter = 0;
uint32_t average = 0;
while (Pipe_isFilled(p))
{
sum += Pipe_Read(p);
element_counter++;
}
average = sum / element_counter;
Pipe_Write(p, average);
}
int main(int argc, char * argv[])
{
/* Create pipes and connect them */
Pipe_Create(increment_pipe, 4);
Pipe_Create(square_pipe, 4);
Pipe_Create(integrate_pipe, 8);
Pipe_Create(sum_pipe, 8);
Pipe_Create(average_pipe, 8);
Pipe_Connect(&increment_pipe, &integrate_pipe);
Pipe_Connect(&square_pipe, &integrate_pipe);
Pipe_CreateOutput(integrate_pipe, integrate_output_rb, 8);
Pipe_Connect(&integrate_pipe, &sum_pipe);
Pipe_CreateOutput(sum_pipe, sum_output_rb, 4);
Pipe_Connect(&integrate_pipe, &average_pipe);
Pipe_CreateOutput(average_pipe, average_output_rb, 4);
/* Generate input */
Pipe_Insert(&increment_pipe, 1);
Pipe_Insert(&increment_pipe, 3);
Pipe_Insert(&increment_pipe, 5);
Pipe_Insert(&square_pipe, 2);
Pipe_Insert(&square_pipe, 4);
Pipe_Insert(&square_pipe, 6);
/* run the functions */
increment(&increment_pipe);
square(&square_pipe);
integrate(&integrate_pipe);
sum(&sum_pipe);
average(&average_pipe);
/* print the output */
printf("Output:\n");
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("%d\n", RingBuffer_Read(&integrate_output_rb));
printf("\n");
printf("Summe: %d\n", RingBuffer_Read(&sum_output_rb));
printf("Average: %d\n", RingBuffer_Read(&average_output_rb));
getchar();
return 0;
}

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#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
{
ringbuffer_t * input;
ringbuffer_t *output[PIPE_OUTPUT_COUNT];
uint8_t output_count;
} pipe_t;
/***********************************/
/* Functions to contruct pipe mesh */
/***********************************/
static inline void Pipe_Init(pipe_t * const p, ringbuffer_t * const arg_input)
{
p->input = arg_input;
for (uint8_t i = 0; i < PIPE_OUTPUT_COUNT; i++)
p->output[i] = NULL;
p->output_count = 0;
}
static inline void Pipe_Connect(pipe_t * const a, pipe_t * const b)
{
a->output[a->output_count] = b->input;
a->output_count++;
}
static inline void Pipe_AddOutput(pipe_t * const p, ringbuffer_t * const rb)
{
p->output[p->output_count] = rb;
p->output_count++;
}
#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_size) \
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)
#define Pipe_CreateOutput(arg_pipe, arg_name, arg_size) \
static uint32_t Concat(buffer, __LINE__)[arg_size]; \
ringbuffer_t arg_name; \
RingBuffer_InitFromArray(&arg_name, Concat(buffer, __LINE__), SizeOfArray(Concat(buffer, __LINE__))); \
Pipe_AddOutput(&arg_pipe, &arg_name);
/************************************/
/* 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++)
RingBuffer_Write(p->output[i], elem);
}
static inline uint8_t Pipe_isFilled(pipe_t * p)
{
return RingBuffer_IsFilled(p->input);
}
#endif

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#ifndef RINGBUFFER_H_
#define RINGBUFFER_H_
#include <stdint.h>
#define inline __inline
typedef struct {
uint32_t * reader;
uint32_t * writer;
uint32_t * start;
uint32_t * end;
uint8_t write_failed;
uint8_t read_failed;
} ringbuffer_t;
/* Use Array as RingBuffer */
static inline void RingBuffer_InitFromArray(ringbuffer_t * const rb, uint32_t * const array, const uint32_t size)
{
rb->start = rb->reader = rb->writer = array;
rb->end = array + size - 1;
rb->write_failed = rb->read_failed = 0;
}
static inline uint32_t * RingBuffer_GetNextWriterAddress(const ringbuffer_t * const rb)
{
uint32_t * next_address = rb->writer;
if (next_address == rb->end)
next_address = rb->start;
else
next_address++;
return next_address;
}
static inline uint8_t RingBuffer_IsFull(const ringbuffer_t * const rb)
{
if (RingBuffer_GetNextWriterAddress(rb) == rb->reader)
return 1;
return 0;
}
static inline uint8_t RingBuffer_IsEmpty(const ringbuffer_t * const rb)
{
if (rb->writer == rb->reader)
return 1;
return 0;
}
static inline uint8_t RingBuffer_IsFilled(const ringbuffer_t * const rb)
{
return !RingBuffer_IsEmpty(rb);
}
/* Write elem into RingBuffer. */
static inline void RingBuffer_Write(ringbuffer_t * const rb, const uint32_t elem)
{
if (!RingBuffer_IsFull(rb))
{
*(rb->writer) = elem;
if (rb->writer == rb->end)
rb->writer = rb->start;
else
rb->writer++;
}
else
{
rb->write_failed = 1;
}
}
/* Read value from RingBuffer and returns it. */
static inline uint32_t RingBuffer_Read(ringbuffer_t * const rb)
{
uint32_t ret = 0;
if (!RingBuffer_IsEmpty(rb))
{
ret = *(rb->reader);
if (rb->reader == rb->end)
rb->reader = rb->start;
else
rb->reader++;
}
else
{
rb->read_failed = 1;
}
return ret;
}
#endif