1.2.1类

代码清单1-1 Sensor头文件

#ifndef Sensor_H
#define    Sensor_H

typedef struct Sensor Sensor;

struct Sensor
{
    int filterFrequency;
    int updateFrequency;
    int value;
};

int Sensor_getFilterFrequency(const Sensor *const me);
void Sensor_setFilterFrequency(Sensor *const me,int p_filterFrequency);
int Sensor_getUpdateFrequency(const Sensor *const me);
void Sensor_setUpdateFrequency(Sensor *const me,int p_updateFrequency);
int Sensor_getValue(const Sensor *const me);
Sensor *Sensor_Creat(void);
void Sensor_Destroy(Sensor *const me);
#endif

代码清单1-2 Sensor实现文件

#include "Sensor.h"
#include<stdlib.h>

void Sensor_Init(Sensor *const me)
{
    
}

void Sensor_Cleanup(Sensor *const me)
{

}

int Sensor_getFilterFrequency(const Sensor *const me)
{
    return me->filterFrequency;
}

void Sensor_setFilterFrequency(Sensor *const me,int p_filterFrequency)
{
    me->filterFrequency = p_filterFrequency;
}

int Sensor_getUpdateFrequency(const Sensor *const me)
{
    return me->updateFrequency;
}

void Sensor_setUpdateFrequency(Sensor *const me,int p_updateFrequency)
{
    me->updateFrequency = p_updateFrequency;
}

int Sensor_getValue(const Sensor *const me)
{
    return me->value;
}

Sensor *Sensor_Creat(void)
{
    Sensor *me = (Sensor*)malloc(sizeof(Sensor));
    
    if(me != NULL)
    {
        Sensor_Init(me);
    }
    
    return me;
}

void Sensor_Destroy(Sensor *const me)
{
    if(me != NULL)
    {
        Sensor_Cleanup(me);
    }
    free(me);
}

代码清单1-3 Sensor_main

#include"Sensor.h"
#include<stdlib.h>
#include<stdio.h>

int main(int argc, char *argv[])
{
    Sensor *p_Sensor0,*p_Sensor1;
    
    p_Sensor0 = Sensor_Creat();
    p_Sensor1 = Sensor_Creat();
    
    p_Sensor0->value = 99;
    p_Sensor1->value = -1;
    
    printf("The current value from Sensor 0 is %d
",Sensor_getValue(p_Sensor0));
    printf("The current value from Sensor 1 is %d
",Sensor_getValue(p_Sensor1));
    
    Sensor_Destroy(p_Sensor1);
    Sensor_Destroy(p_Sensor0);
    
    return 0;

}