linux-安防监控实现之网页控制ZigBee和A9上的硬件LED灯蜂鸣器和风扇

LED

#include "data_global.h"
#include "chrdev.h"
#include <unistd.h>

extern pthread_mutex_t  	mutex_led;
extern pthread_cond_t      	cond_led;

//:A9LED模块线程.
void* pthread_led(void* arg)
{
	printf("pthread_led\n");
	int i, j;
	int led_fd;
	led_desc_t led;

	led_fd = open(LED_DEV, O_RDWR);//打开设备节点
	if (led_fd == -1)
	{
		printf("open failed.\n");
	}
	printf("led_fd ;%d.\n", led_fd);

	while (1)
	{
		pthread_mutex_lock(&mutex_led);
		pthread_cond_wait(&cond_led, &mutex_led);
		printf("led ioctl:***********\n");
		if (cmd_led == 0x41)
		{
			for (j = 0;j < 1;j++)
			{
				for (i = 2;i < 6;i++)
				{
					led.which = i;
					ioctl(led_fd, FSLEDON, &led);
					usleep(500000);

					led.which = i;
					ioctl(led_fd, FSLEDOFF, &led);
					usleep(500000);
				}
			}
		}
		pthread_mutex_unlock(&mutex_led);
	}

	close(led_fd);

}

#include "data_global.h"

extern int msgid;
extern key_t key;

extern pthread_mutex_t mutex_client_request,
mutex_refresh,
mutex_sqlite,
mutex_transfer,
mutex_analysis,
mutex_sms,
mutex_buzzer,
mutex_led,
mutex_camera;

extern pthread_cond_t  cond_client_request,
cond_refresh,
cond_sqlite,
cond_transfer,
cond_analysis,
cond_sms,
cond_buzzer,
cond_led,
cond_camera;

extern unsigned char cmd_led;

extern char recive_phone[12];
extern char center_phone[12];


struct msg msgbuf;


void* pthread_client_request(void* arg)
{
	if ((key = ftok("/tmp", 'g')) < 0)
	{
		perror("ftok failed .\n");
		exit(-1);
	}

	msgid = msgget(key, IPC_CREAT | IPC_EXCL | 0666);
	if (msgid == -1)
	{
		if (errno == EEXIST)
		{
			msgid = msgget(key, 0777);
		}
		else
		{
			perror("fail to msgget");
			exit(1);
		}
	}
	printf("pthread_client_request\n");

	while (1)
	{
		bzero(&msgbuf, sizeof(msgbuf));
		printf("wait form client request...\n");
		msgrcv(msgid, &msgbuf, sizeof(msgbuf) - sizeof(long), 1L, 0);
		printf("Get %ldL msg\n", msgbuf.msgtype);
		printf("text[0] = %#x\n", msgbuf.text[0]);

		switch (msgbuf.msgtype)
		{
		case 1L:
			pthread_mutex_lock(&mutex_led);
			printf("hello led\n");
			cmd_led = msgbuf.text[0];//将命令赋值给led条件变量
			pthread_mutex_unlock(&mutex_led);	//解锁
			pthread_cond_signal(&cond_led);//通知led线程
			break;
		case 2L:
			printf("hello beep\n");
			break;
		case 3L:
			printf("hello seg\n");
			break;
		case 4L:
			printf("hello fan\n");
			break;
		case 5L:
			printf("set env data\n");
			printf("temMAX: %d\n", *((int*)&msgbuf.text[1]));
			printf("temMIN: %d\n", *((int*)&msgbuf.text[5]));
			printf("humMAX: %d\n", *((int*)&msgbuf.text