[嵌入式][C语言] 函数指针应用

#include <stdio.h>
#define u8 unsigned char
#define u16 unsigned int



void dumpHex(u8 *data,u8 len,const char *msg)
{
    printf("\n%s HEX(%d):",msg,len);
    
    for(int i=0;i<len;i++)
    {
        printf("%02x ",data[i]);
    }
    printf("\r\n");
    
}



void fun1()
{
	printf("funtion1.\n");
}

void fun2()
{
	printf("funtion2.\n");
}

void fun3()
{
	printf("funtion3.\n");
}

void fun4()
{
	printf("funtion4.\n");
}


typedef void (*exe_fun) ();
exe_fun  fstart[]={fun1,fun2,fun3,fun4,0};


void exe_init(void)
{
    exe_fun *fn;   
    for (fn = fstart; *fn!= NULL; fn++) {
        (*fn)();

    }
}


typedef struct module_s {
    void (*init)();
    void (*write)();
    void (*read)();
} module_t;


module_t g_hal_md={
.init = fun1,
.write = fun2,
.read = fun3
};

int main(void) { 
    
	printf("-----------StartTest-----------\n");
	exe_init();
g_hal_md.init();
g_hal_md.write();
g_hal_md.read();
	printf(".......EndTest......\n");
	return 0;
}