c/c++ ¾²Ì¬±äÁ¿ Ò»¸öʵÀý
#include <iostream>
#include <cstdlib>
using namespace std;
class Foo
{
public:
Foo(int ii):i(ii){}
int getInt(){return i;}
private:
int i;
};
class Bar
{
public:
static int FooVal(){c++; return f.getInt();}
int callsFooVal(){return c;}
private:
static int c;
static Foo f;
};
int Bar::c=0;
Foo Bar::f(9);
int main()
{
Bar b;
cout<<Bar::FooVal()<<endl;
cout<<b.callsFooVal()<<endl;
cout<<Bar::FooVal()<<endl;
cout<<b.callsFooVal()<<endl;
cout<<Bar::FooVal()<<endl;
cout<<b.callsFooVal()<<endl;
system("PAUSE");
return 0;
}
Ïà¹ØÎĵµ£º
ÒÔTMS320VC5402ΪÀý£¬Ì½ÌÖÒ»ÖÖ×ÛºÏÔËÓÃCÓïÑÔ¡¢Êý¾ÝÎļþ¼°GELÓïÑÔµÄFlash±à³Ìз½·¨¡£
¡¡¡¡¸Ã·½·¨ÍêÈ«²ÉÓÃCÓïÑÔ±àдÉÕд³ÌÐò£¬½â¾öÁËÖ¸Õë²»ÄÜ·ÃÎʸ߶ËFlashµÄÎÊÌâ;°ÑÒýµ¼±í×÷³ÉÊý¾ÝÎļþ£¬¿ÉʵÏÖ´óÒýµ¼±íµÄ·ÖÅú´Î¼ÓÔØ;ͨ¹ýGEL³ÌÐò¿ØÖÆC³ÌÐòÖ´ÐУ¬½ÏºÃµØÌåÏÖÁËFlash±à³ÌµÄÁ÷³Ì¡£
¡¡¡¡ÒýÑÔ
¡¡¡¡ÔÚDSPÓ¦ÓÃϵͳ¿ª·¢µÄºóÆÚ£¬Ò»° ......
時間²»µÈÈË£¬ÔÚÎÒ還δÀÏȥ֮ǰ£¬Ïë°Ñ丟µôµÄC³ÌÊ½ÖØÐÂÔÙ揀Æð來¡£
Èë門£¬½¨議£¨ÎÒÒ²ÊÇÐÂÊÖ£©²»Òª¿´譚´ó爺µÄ書£¬對ÓÚ20ÊÀ紀學習C語ÑÔ£¬c Primer Plus 5thÎÒ認為ÊÇÒ»個ºÃµÄ選擇¡£
ÎҵĵÚÒ»& ......
mmapÊÇlinuxϵÄCreateFileMapping£¬ÓÃÀ´Ó³É䲢ͬ²½Îļþ¡£
ÕâÑùµÄ»°£¬±ÈÈçÎÒ×Ô¶¨ÒåÒ»ÖÖÎļþ¸ñʽ£¬°ÑËüдÈëµ½ÎļþÖУ¬ÏÖÔÚÏëÐÞ¸ÄÆäÖеÄÖµ£¬¾Í¿ÉÒÔÓÃÕâ¸öº¯Êý£¬°ÑÎļþÓ³Éäµ½ÄÚ´æÖÐ
È»ºóÓòÙ×÷Êý×éµÄ·½Ê½£¬À´½øÐÐÎļþµÄͬ²½¡£Èç¹û²»ÓÃÕâ¸öº¯Êý¾ÍµÃ£º
1¡¢¶¨ÒåÒ»¸ö½á¹¹Ìå
2¡¢¶¨Òå½á¹¹ÌåÊý×é
3¡¢¶ÁÈ¡Îļþ£¨w+£©
4¡¢ÐÞ¸ÄÎļþ ......
Ò»¡¢¸ÅÊö
̸µ½ÔÚlinuxϵͳϱàдI2CÇý¶¯£¬Ä¿Ç°Ö÷ÒªÓÐÁ½ÖÖ·½Ê½£¬Ò»ÖÖÊǰÑI2CÉ豸µ±×÷Ò»¸ö
ÆÕͨµÄ×Ö·ûÉ豸À´´¦Àí£¬ÁíÒ»ÖÖÊÇÀûÓÃlinux I2CÇý¶¯Ìåϵ½á¹¹À´Íê³É¡£ÏÂÃæ±È½ÏÏÂÕâÁ½ÖÖÇý¶¯¡£
µÚÒ»ÖÖ·½·¨µÄºÃ´¦£¨¶ÔÓ¦µÚ¶þÖÖ·½·¨µÄÁÓÊÆ£©ÓУº
¡ñ &nbs ......
ÌýÆðÀ´£¬ÓÐ×ÔÐÅ£¬ÓиãЦ¡£ÓÖ×ÔÐÅ£¬ÓÖ¸ãЦ¡£
Á½Äêǰ£¬¿¼ÈëÁËÒ»¸ö¶þÁ÷´óѧ£¬·Ç¼ÆËã»úרҵ¡£µ±³õ»³×ÅÎÞ±ÈÃÀºÃµÄÐÄÇ飬ֻÊÇÏ£ÍûÔÚѧУ¹ýµÄ¿ìÀÖЩ£¬Ñ§µÄºÃЩ£¬µ«ÊÇÓÐЩÊÂÇé×ÜÊÇÄÑÒÔÔ¤ÁÏ£¬ÎÒ×ÜÊÇÎÞ·¨ÍüÈ´ÄÇ·Ý»³ÄÔÚÕâ¸öİÉúµÄ³ÇÊУ¬ÎÒ×ÜÊÇÃÔʧÁË×Ô¼º¡£Ä¬Ä¬µÄ¶ãÔÚ×Ô¼ºµÄÊÀ½çÀïÌòóÂÉ˿ڣ¬ÔÒÔΪµ½Á˸öÐµĻ·¾³ÄÜÍüµôÒ»ÇеÄÉËÐÄ¹Ê ......