s3c2440»ùÓÚlinuxµÄgpio led×Ö·ûÉ豸Çý¶¯Êµ¼ù
½ñÌìÍê³ÉÁËǶÈëʽlinuxµÄµÚÒ»¸öÇý¶¯µÄ±àдºÍ²âÊÔ£¬ËäÈ»ÊǸö¼òµ¥µÄ³ÌÐò£¬µ«ÊÇÂéȸËäС£¬ÎåÔà¾ãÈ«£¬Ï£Íû¿ÉÒÔ¸ø¸Õ¿ªÊ¼½Ó´¥Çý¶¯±àдµÄÈËһЩÌáʾ£¬¹²Í¬½ø²½¡£
Ô´´úÂ룺
·ÖÎöÈçÏ£º
ÏÂÃæÊÇÎÒµÄÇý¶¯³ÌÐò£º
#include <linux/config.h>//ÅäÖÃÍ·Îļþ
#include <linux/kernel.h>//ÄÚºËÍ·Îļþ
#include <linux/sched.h>
#include <linux/timer.h>//ʱÖÓÍ·Îļþ
#include <linux/init.h>//Óû§¶¨ÒåÄ£¿é³õʼº¯ÊýÃûÐèÒýÓõÄÍ·Îļþ
#include <linux/module.h>//Ä£¿é¼ÓÔØµÄÍ·Îļþ
#include <asm/hardware.h>
#include <asm/arch/S3C2440.h> //Õâ¸öÊÇ2440µÄ¼Ä´æÆ÷Í·Îļþ£¬asm/srchÖ»ÊǸöÁ´½Ó
//ʵ¼Ê¸ù¾Ý×Ô¼ºµÄÇé¿ö²éÕÒ,Ò»°ãÊÇ../../linux2.*.*/include/asm/arch-s3c2440Àï ±àÒëÆ÷
//×Ô¼º»á²éѯÁ´½Ó,ÒÔǰ²»ÖªµÀ£¬ÕÒÁ˰ëÌì
// GPIO_LED DEVICE MAJOR
#define GPIO_LED_MAJOR 97 //¶¨ÒåÖ÷É豸ºÅ
//define LED STATUS Îҵİå×Ó LEDÔÚGPB0 ÓëGPB1 ´¦ ´ó¼Ò¸ù¾Ý×Ô¼ºÇé¿ö¸Ä
#define LED_ON 0 //¶¨ÒåLEDµÆµÄ״̬ ¿ª
#define LED_OFF 1 //
// ------------------- READ ------------------------ Õâ¸öÇ°ÃæÒª¼Óstatic ·ñÔò¾¯¸æ
static ssize_t GPIO_LED_read (struct file * file ,char * buf, size_t count, loff_t * f_ops)
{
return count;
}
// ------------------- WRITE -----------------------
static ssize_t GPIO_LED_write (struct file * file ,const char * buf, size_t count, loff_t * f_ops)
{
return count;
}
// ------------------- IOCTL -----------------------
static ssize_t GPIO_LED_ioctl (struct inode * inode ,struct file * file, unsigned int cmd, long data) //Õâ¸öº¯ÊýʵÏÖÁËledµÆÁÁÃðµÄ½Ó¿Ú
{
switch (cmd)
{
case LED_ON : { GPBDAT =0x01; break;} //¸ù¾Ý×Ô¼ºÇé¿öÐÞ¸Ä Ò»¸öÁÁ Ò»¸öÃð
case LED_OFF: { GPBDAT =0x02; break;} //½»ÌæÉÁ˸
default :
&n
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
ÏÖÔÚʹÓÃlinuxµÄÅóÓÑÔ½À´Ô½¶àÁË£¬ÔÚlinuxÏÂ×ö¿ª·¢Ê×ÏȾÍÊÇÐèÒªÅäÖû·¾³±äÁ¿£¬ÏÂÃæÒÔÅäÖÃjava»·¾³±äÁ¿ÎªÀý½éÉÜÈýÖÖÅäÖû·¾³±äÁ¿µÄ·½·¨¡£
1.ÐÞ¸Ä/etc/profileÎļþ
Èç¹ûÄãµÄ¼ÆËã»ú½ö½ö×÷Ϊ¿ª·¢Ê¹ÓÃÊ±ÍÆ¼öʹÓÃÕâÖÖ·½·¨£¬ÒòΪËùÓÐÓû§µÄshell¶¼ÓÐȨʹÓÃÕâЩ»·¾³±äÁ¿£¬¿ÉÄÜ»á¸øÏµÍ³´øÀ´°²È«ÐÔÎÊÌâ¡£
......
1¡¢ µ±°ÑÏîÄ¿ÅäÉÏÓòÃûʱ£¬±ØÐë°ÑtomcatµÄ¶Ë¿Ú¸ÄΪ80£¬×¢Òâµ±Ìæ»»ÅäÖÃÎļþʱ£¬Òª¼ÇµÃ°Ñtomcat¶Ë¿Ú¸Äһϡ£
2¡¢ CÅÌϵÄhostsÎļþ£¬ÊÇÅäÖÃÓòÃûÓõ쬵±²»ÔÚhostsÅäÖÃÓòÃûʱ£¬windowsϵͳ»áµ½ÍâÍøÈ¥ÕÒ·ûºÏµÄÓòÃû£¬µ±ÔÚhostsÏÂÅäÖÃÓòÃûʱ£¬¾Í²»»áµ½ÍâÍøÈ¥ÕÒÁË¡£
3¡¢ Îļþ¸üеÄÕû¸öÁ÷³Ì£º
£¨1£©£ºÓÃÔ¶³ ......
¹Ø¼ü´Ê£º Linux ϵͳ¹ÜÀí
1¡¢²é¿´Ä³Îļþ ......
¸ÅÊö
——
ʲôÊÇmakefile£¿»òÐíºÜ¶àWinodwsµÄ³ÌÐòÔ±¶¼²»ÖªµÀÕâ¸ö¶«Î÷£¬ÒòΪÄÇЩWindowsµÄIDE¶¼ÎªÄã×öÁËÕâ¸ö¹¤×÷£¬µ«ÎÒ¾õµÃÒª×÷Ò»¸öºÃµÄºÍprofessionalµÄ³ÌÐòÔ±£¬makefile»¹ÊÇÒª¶®¡£Õâ¾ÍºÃÏñÏÖÔÚÓÐÕâô¶àµÄHTMLµÄ±à¼Æ÷£¬µ«Èç¹ûÄãÏë³ÉΪһ¸öרҵÈËÊ¿£¬Ä㻹ÊÇÒªÁ˽âHTMLµÄ±êʶµÄº¬Òå¡£ÌØ±ðÔÚUnixϵÄÈí¼ ......