1 // CallBack.cpp : 定义控制台应用程序的入口点。
2 //
3
4 #include "stdafx.h"
5 #include <stdio.h>
6 #include <string>
7 #include <iostream>
8
9 using namespace std;
10
11 typedef struct
12 {
13 void(*strPf)(string str);
14 void(*hexPf)(uint8_t hex);
15 void(*intPf)(int a, int b, int c);
16 }CallBack;
17
18 void strCall(string str)
19 {
20 cout << str << endl;
21 }
22
23 void hexCall(uint8_t hex)
24 {
25 printf("%o %d %x ", hex, hex, hex);
26 cout << endl;
27 }
28
29 void intCall(int a, int b, int c)
30 {
31 cout << "a:" << a << "b:" << b << "c:" << c << endl;
32 }
33
34 void test(CallBack * fun)
35 {
36 fun->strPf("hello world");
37 fun->hexPf(0xC3);
38 fun->intPf(333, 666, 999);
39 }
40
41 uint16_t bytesToInt(uint16_t * pbt)
42 {
43 int a = *(pbt) << 8;
44 a |= *(pbt + 1);
45 return a;
46 }
47
48 int main()
49 {
50 CallBack fun;
51
52 uint16_t data[2] = { 0x05, 0x00 };
53
54 fun.strPf = strCall;
55 fun.hexPf = hexCall;
56 fun.intPf = intCall;
57
58 test(&fun);
59
60 cout << bytesToInt(data) << endl;
61
62 getchar();
63 return 0;
64 }
