#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"

char _rx_data[1024];


int main (int argc, char *argv[])
{
    char buffer[1024];
    char buffer1[1024];
    char buffer2[1024];
   
    int stream;
    int stream1;
    int stream2;
    
    int fd_param1;
//    float *buffer_param1;
    int *buffer_param1;
    int signal;
    float signal1;
    float signal2;
    //int len;
    //n_read = uart_init(ROUTE_UART, "/dev/ttyAMA0", 115200, 'N');
    //if(n_read <=0 ) {
//	printf("open /dev/ttyPS1 failed\n");
//	return -1;
  //  }

	fd_param1 = shm_open("/param.txt",O_RDWR|O_CREAT|O_EXCL,0777);
        if(fd_param1 < 0){
               fd_param1 = shm_open("/param.txt",O_RDWR,0777);
        }else
                ftruncate(fd_param1,4096);
	buffer_param1= mmap(NULL,4096,PROT_READ|PROT_WRITE,MAP_SHARED,fd_param1,0);

	//buffer_param1[0]=0xAA;
	
	while(1){
                  
		stream = open("/tmp/ceshi.txt", O_RDWR);
		//printf("stream %s\n\r",buffer);
               	ssize_t byread = read(stream,buffer,sizeof(buffer));
	 
		printf("buffer %s\n\r",buffer);
		signal=atoi(buffer);
		printf("--- %d\n\r",signal);
		printf("--- %x\n\r",signal);
#if 0
		stream1 = open("/tmp/rx.txt", O_RDWR);
               	ssize_t byread1 = read(stream1,buffer1,sizeof(buffer1));
		signal1=atof(buffer1);
	//	printf("1 --- %f\n\r",signal1);
		buffer_param1[1]=signal1;

		stream2 = open("/tmp/ping", O_RDWR);
               	ssize_t byread2 = read(stream2,buffer2,sizeof(buffer2));
		signal2=atof(buffer2);
		printf("--- %0.2f\n\r",signal2);
		buffer_param1[2]=signal2;
#endif
		if(stream > 0){
#if 1
			if(signal==0x42){   //66
				buffer_param1[0]=0x55;//0xaa;
				//printf("--down--\n\r");

			}
			else if(signal==0x37)
			{
				buffer_param1[0]=0xaa;//0x55;  //55
				//printf("--up--\n\r");
			}
#endif
		}

		close(stream);
		close(stream1);
		close(stream2);
		sleep(1);
                }

}