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// can run this using rigctl/rigctld and socat pty devices
#define _XOPEN_SOURCE 700
// since we are POSIX here we need this
#if 0
struct ip_mreq
{
int dummy;
};
#endif
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include "../include/hamlib/rig.h"
#define BUFSIZE 256
static void *rotorez_thread(void *arg);
int
getmyline(int fd, char *buf)
{
unsigned char c = 0;
int i = 0;
int n = 0;
memset(buf, 0, BUFSIZE);
//printf("fd=%d\n", fd);
while (read(fd, &c, 1) > 0 && c != ';')
{
buf[i++] = c;
n++;
for (int j = 0; j < strlen(buf); ++j) { printf("%02x ", buf[j]); }
printf("\n");
}
if (strlen(buf) == 0) { hl_usleep(10 * 1000); }
return n;
}
#if defined(WIN32) || defined(_WIN32)
int openPort(char *comport) // doesn't matter for using pts devices
{
int fd;
fd = open(comport, O_RDWR);
if (fd < 0)
{
perror(comport);
}
return fd;
}
#else
int openPort(char *comport) // doesn't matter for using pts devices
{
int fd = posix_openpt(O_RDWR);
char *name = ptsname(fd);
if (name == NULL)
{
perror("ptsname");
return -1;
}
printf("name=%s\n", name);
if (fd == -1 || grantpt(fd) == -1 || unlockpt(fd) == -1)
{
perror("posix_openpt");
return -1;
}
return fd;
}
#endif
int thread_args[2];
int main(int argc, char *argv[])
{
int fd = openPort(argv[1]);
int fd2 = openPort(argv[2]);
pthread_t threads[2];
thread_args[0] = fd;
thread_args[1] = fd2;
pthread_create(&threads[0], NULL, rotorez_thread, (void *)&thread_args[0]);
pthread_create(&threads[1], NULL, rotorez_thread, (void *)&thread_args[1]);
pthread_exit(NULL);
return 0;
/*
again:
int flag = 0;
while (1)
{
int bytes;
if (!flag) bytes = getmyline(fd, buf);
else bytes = getmyline(fd2, buf);
flag = !flag;
if (bytes == 0)
{
//close(fd);
printf("again\n");
goto again;
}
printf("line=%s\n", buf);
if (strncmp(buf,"BI1",3) == 0)
{
sprintf(buf,"%3.1f;", az);
n = write(flag?fd:fd2, buf, strlen(buf));
printf("n=%d\n", n);
}
else if (strncmp(buf,"AP1",3) == 0)
{
sscanf(buf,"AP1%f", &az);
}
else
{
printf("Unknown cmd=%s\n", buf);
}
#if 0
switch (buf[0])
{
case '?': printf("Query %c\n", buf[1]); break;
case '*': printf("Set %c\n", buf[1]); break;
default: printf("Unknown cmd=%02x\n", buf[4]);
}
#endif
}
return 0;
*/
}
static void *rotorez_thread(void *arg)
{
int n = 0;
char buf[256];
int fd = *(int *)arg;
float az = 123;
float el = 45;
again:
while (1)
{
int bytes;
bytes = getmyline(fd, buf);
if (bytes == 0)
{
//close(fd);
hl_usleep(100 * 1000);
//printf("again\n");
goto again;
}
printf("line[%d]=%s\n", fd, buf);
if (strncmp(buf, "BI1", 3) == 0)
{
if (fd == thread_args[0])
{
sprintf(buf, "%3.1f;", az);
printf("az=%f\n", az);
}
else
{
sprintf(buf, "%3.1f;", el);
printf("el=%f\n", el);
}
n = write(fd, buf, strlen(buf));
printf("n=%d fd=%d\n", n, fd);
}
else if (strncmp(buf, "AP1", 3) == 0)
{
if (fd == thread_args[0])
{
sscanf(buf, "AP1%f", &az);
}
else
{
sscanf(buf, "AP1%f", &el);
}
}
else
{
printf("Unknown cmd=%s\n", buf);
}
#if 0
switch (buf[0])
{
case '?': printf("Query %c\n", buf[1]); break;
case '*': printf("Set %c\n", buf[1]); break;
default: printf("Unknown cmd=%02x\n", buf[4]);
}
#endif
}
pthread_exit(NULL);
}
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