Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linux ¶¨Ê±Æ÷ʹÓÃÒ»

#include <sys/time.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
static char *runStatusFile   = "/syscfg/etc/runStatusFile";
//static char *runStatusFile   = "runStatusFile";
FILE *pFile = NULL;
char runCountStr[10]={0};
unsigned runCountInt = 0;
char runTimeStr[15]={0};
unsigned runTimeInt = 0;
void doTask()
{
 
 pFile = fopen(runStatusFile, "r+");
 /*
 if(NULL == pFile)
 {
  pFile = fopen(runStatusFile,"w+");
  fseek (pFile, 0L, SEEK_SET);
  fwrite("0", sizeof(char), 1, pFile);
  fseek (pFile, 6L, SEEK_SET);
  fwrite("0", sizeof(char), 1, pFile);
 }
 */
 fseek (pFile, 11L, SEEK_SET);
 fread (runTimeStr, sizeof(char), 10, pFile);
 runTimeInt = atoi(runTimeStr);
 runTimeInt += 30;
 fseek (pFile, 11L, SEEK_SET);
 sprintf(runTimeStr,"%d",runTimeInt);
 fwrite(runTimeStr, sizeof(char),10, pFile);
 
 
 /*
 fseek (pFile, 11L, SEEK_SET);
 fread (runTimeStr, sizeof(char), 10, pFile);
 printf("runTimeStr = %s\n",runTimeStr);
 */
 fclose(pFile); 
}
// ½¨Á¢ÐźŴ¦Àí»úÖÆ
void init_sigaction(void)
{
 struct sigaction tact;  /*Ðźŵ½ÁËÒªÖ´ÐеÄÈÎÎñ´¦Àíº¯ÊýΪdoTask*/
 tact.sa_handler = doTask;
 tact.sa_flags = 0; /*³õʼ»¯Ðźż¯*/
 sigemptyset(&tact.sa_mask); /*½¨Á¢ÐźŴ¦Àí»úÖÆ*/
 sigaction(SIGALRM, &tact, NULL);
}
void init_time()
{
 struct itimerval value; /*É趨ִÐÐÈÎÎñµÄʱ¼ä¼ä¸ôΪ30Ãë0΢Ãë*/
 value.it_value.tv_sec = 30;
 value.it_value.tv_usec = 0; /*É趨³õʼʱ¼ä¼ÆÊýҲΪ30Ãë0΢Ãë*/
 value.it_interval = value.it_value; /*ÉèÖüÆÊ±Æ÷ITIMER_REAL*/
 setitimer(ITIMER_REAL, &value, NULL);
}
int main()
{
 
 pFile = fopen(runStatusFile, "r+");
 if(pFile == NULL)
 {


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

Ubuntu LinuxÈëÃŵ½¾«Í¨

 
 
¡¡¡¡
¡¡¡¡
¡¡¡¡±¾ÊéÈ«Ãæ½éÉÜÁËUbuntu LinuxµÄÏà¹ØÖªÊ¶£¬ÄÚÈÝÏêʵ£¬ÂÛÊöÇåÎú¡£Ö÷ÒªÄÚÈݰüÀ¨Ubuntu½éÉÜ¡¢Îļþϵͳ¹ÜÀí¡¢½ø³Ì¹ÜÀí¡¢Ñ¹ËõÓë²éѯϵͳ¡¢ShellÓ¦Óá¢TCP/IP»ù´¡¡¢ÍøÂç¹ÜÀí¡¢ÍøÂçÓ²ÅÌÒÔ¼°¼ÓÃܰ²È«Í¨ÐŵÈÄÚÈÝ¡£
¡¡¡¡±¾ÊéÊÇÒ»±¾ÀíÂÛÓëʵ¼ù²¢ÖصÄÊé¼®£¬¿É×÷ΪרҵÈËÔ±µÄ²Î¿¼Êé¼®£¬Ò²ÊʺÏÓÚ¶ÔUbuntu ......

¹ØÓÚLinuxµÄalsaÒôƵÎÊÌâ½â¾ö

      µ½½ñÈÕ£¬ÔÚandroidƽ̨Éϵ÷ÊÔÉùÒôµÄ·½ÃæÖÕÓÚÓÐÁ˽øÕ¹£¬Ô­À´ÊÇÐèÒª¸ÄÒ»¸öÅäÖÃÎļþ£¬Ä¿Ç°Ö»Êǽâ¾öÁËÎÊÌ⣬¾ßÌåÔ­ÒòÒÔºóÔÙ·ÖÎö¡£Ó²¼þƽ̨ÊÇ6410+WM9714£¬Èí¼þƽ̨ÊÇANDROID¡£ÏÖÔÚÓÉÓÚandroidϵͳÆô¶¯Ê±£¬¼ÓÔØÒôƵ·þÎñ²»³É¹¦£¬´¦ÓÚÒ»¸öËÀÑ­»·ÖУ¬ÀÏÍ£Ôڵǽ½çÃæ¡£´Ëʱ´òÓ¡µÄLogcatÐÅÏ¢ÈçÏ£º
......

linuxµ÷Õûϵͳʱ¼äºÍÊ±ÇøµÄ·½·¨


linuxµ÷Õûϵͳʱ¼äºÍÊ±ÇøµÄ·½·¨
1) ÕÒµ½ÏàÓ¦µÄÊ±ÇøÎļþ /usr/share/zoneinfo/Asia/Shanghai
ÓÃÕâ¸öÎļþÌæ»»µ±Ç°µÄ/etc/localtimeÎļþ¡£
2) ÐÞ¸Ä/etc/sysconfig/clockÎļþ£¬ÐÞ¸ÄΪ£º
ZONE="Asia/Shanghai"
UTC=false
ARC=false
3)
ʱ¼äÉ趨³É2005Äê8ÔÂ30ÈÕµÄÃüÁîÈçÏ£º
#date -s 08/30/2005
½«ÏµÍ³Ê±¼äÉ趨³ÉÏÂÎ ......

LinuxÄÚºËÉ豸ģÐÍ(4)

ÒëÕߣº¹ùÉÙ±¯
2009/12/02
Ô­ÎÄ£ºlinux/Documentation/driver-model/class.txt
É豸Àà
½éÉÜ
~~~~
Ò»¸öÉ豸ÀàÃèÊöÁËÒ»ÀàµÄÉ豸£¬ÀýÈçÓïÒôÉ豸»òÕßÍøÂçÉ豸¡£ÏÂÃæÊÇÒѶ¨ÒåµÄÉ豸Àà:
<Insert List of Device Classes Here>
ÿ¸öÉ豸ÀඨÒåÁËÒ»Ì×Óï·¨ºÍÉ豸×ñÑ­µÄ±à³Ì½Ó¿Ú¡£É豸Çý¶¯¾ÍÊÇÎªÌØ¶¨×ÜÏßÉϵÄ
ÌØ¶¨É豸¶ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ