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[h316.git] / pc-tools / src-filters / load.c

#include <stdio.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>

struct termios orgstate;
struct termios workstate;

#define PORT_FILE "/dev/ttyS0"
#define BUFFER_SIZE 1000000

char * buffer;
int sp, ep, count, portfd;

void sighandler(int sig){
    sp=0;
    ep=count-1;
    close (portfd);
//    fprintf(stderr,"%i %i\n", sp, ep);    
    if (count>0) {
	while(buffer[sp]==0) sp++;
	while(buffer[ep]==0) ep--;
    }
    
    write(1,buffer+sp,ep-sp+1);
    tcdrain(2);
    fprintf(stderr,"Eingelesen: %i\n",ep-sp+1);
    tcsetattr(portfd, TCSANOW, &orgstate);
    close(portfd);
    exit(0);
}

int main (int argc, char ** argv){

    portfd=open(PORT_FILE, O_RDWR);
    tcgetattr(portfd, &orgstate);
    tcgetattr(portfd, &workstate);
    cfmakeraw(&workstate);
//    workstate.c_oflag=0;
    workstate.c_cflag|=CS8+CREAD+CLOCAL+CRTSCTS+CSTOPB    ;
//    workstate.c_lflag=0;
    cfsetspeed(&workstate, B4800);
    tcsetattr(portfd, TCSANOW, &workstate);
    count=0;
    
    signal(SIGINT, sighandler);
    buffer=(char *) malloc(BUFFER_SIZE);