#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>   //      gettimeofday
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <errno.h>

#include "serial.h"
#include "uartinf.h"
#include "confile.h"
#include "udp_util.h"
#include "Util.h"
char _rx_data[1024];

int switch_video;

int count=0;
int osd_on=0;

int *switch_memory_open(void) {
        char buf[128];
        int fd;
        sprintf(buf, "/video_switch");
        fd = shm_open(buf, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
        if(fd < 0) { perror("shm_open"); exit(1); }
        if (ftruncate(fd, 4096) == -1) { perror("ftruncate"); exit(1); }
        int *retval = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
        return retval;
}

int get_parameter(struct decoce_param *pparam)
{
  	if(confile_init()) {
        	printf("config file parse filed!\n");
        	return -1;
   	}
   	pparam->sdi_switch     = get_conf_int("sdi_switch", 0);
   	pparam->osd_on     = get_conf_int("osd_on", 0);
   	printf("sdi %d osd %d ",pparam->sdi_switch,pparam->osd_on);
   	return 0;
}



int main (int argc, char *argv[])
{
    	int n_read;

    	char buffer[1024];
    	char buffer1[1024];
   
	int *switch_mode;
	int len;
	
	int anjian;
	int anjian_pre;
	int mode;
	int count ;
	struct decoce_param param;

	switch_video = 5;

	int fd_param;
	int *buffer_param;
  	
	
	switch_mode = switch_memory_open();
	get_parameter(&param);
	
	switch_mode[0] = param.sdi_switch;	
	count = param.sdi_switch;
	switch_mode[1] = param.osd_on;	
	osd_on =  param.osd_on;

//	printf("osd: %d count %d \n",osd_on,count);

	n_read = uart_init(ROUTE_UART, "/dev/ttyAMA0", 115200, 'N');
    	if(n_read <=0 ) {
		printf("open /dev/ttyAMA4 failed\n");
		return -1;
	}
	
	buffer[0]=0xaa;
	buffer[1]=0x01;
	buffer[2]=switch_mode[0];
	buffer[3]=0x55;
	//anjian=switch_mode[10];
	//anjian_pre = anjian;	
	
	for(int i=0;i<20;i++){
		uart_write(ROUTE_UART, buffer);
		usleep(100000);
	//sleep(1);
	}

	while(1){

		n_read = uart_get(ROUTE_UART, _rx_data);
		
		if(n_read>0){
			
			printf("0 %x %x anjian %x",_rx_data[0],_rx_data[1],_rx_data[38]);	
			set_conf_int("sdi_switch",_rx_data[2]);
			save_confile("/root/decode.cfg");
			switch_mode[0] = _rx_data[2];
			switch_mode[1] = osd_on;
	
	
		}
	}
	
}