hamlib/simulators/simorion.c
Daniele Forsi IU5HKX 5b1517778e Replace "goto again" with "continue" (third case)
When the software on the other side of the pty closes the device,
the simulator would close and reopen its side  but it is unneeded
because it can continue to call read() without doing anything special.
2025-08-07 11:38:12 +02:00

127 lines
2.7 KiB
C

// can run this using rigctl/rigctld and socat pty devices
#define _XOPEN_SOURCE 700
// since we are POSIX here we need this
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define BUFSIZE 256
int freqA = 14074000;
int freqB = 14074500;
int modeA = 0;
int width = 3010;
int ptt = 0;
int keyspd = 20;
int
_getmyline(int fd, char *buf)
{
unsigned char c;
int i = 0;
int n = 0;
memset(buf, 0, BUFSIZE);
while (read(fd, &c, 1) > 0)
{
if (c == 0x0d) { break; }
buf[i++] = c;
n++;
}
return n;
}
#include "sim.h"
int main(int argc, char *argv[])
{
char buf[BUFSIZE], reply[256];
int fd = openPort(argv[1]);
while (1)
{
int bytes = _getmyline(fd, buf);
if (bytes == 0)
{
continue;
}
if (strncmp(buf, "?V", 2) == 0)
{
char *s = "Version 3.032x7";
write(fd, s, strlen(s));
}
else if (strncmp(buf, "?AF", 3) == 0)
{
sprintf(reply, "@AF%8d\r", freqA);
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "?BF", 3) == 0)
{
sprintf(reply, "@BF%8d\r", freqB);
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "*AF", 3) == 0)
{
sscanf(buf, "*AF%d", &freqA);
}
else if (strncmp(buf, "*BF", 3) == 0)
{
sscanf(buf, "*BF%d", &freqB);
}
else if (strncmp(buf, "?KV", 3) == 0)
{
sprintf(reply, "@KVANA\r");
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "?RMM", 4) == 0)
{
sprintf(reply, "@RMM%d\r", modeA);
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "?RMF", 4) == 0)
{
sprintf(reply, "@RMF%d\r", width);
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "?S", 2) == 0)
{
if (ptt)
{
sprintf(reply, "@STWF002R000S256\r");
}
else
{
sprintf(reply, "@SRM055S000\r");
}
write(fd, reply, strlen(reply));
}
else if (strncmp(buf, "*TK", 3) == 0)
{
ptt = 1;
}
else if (strncmp(buf, "*TU", 3) == 0)
{
ptt = 0;
}
else if (strncmp(buf, "?CS", 3) == 0)
{
sprintf(reply, "@CS%d\r", keyspd);
}
else if (strncmp(buf, "*CS", 3) == 0)
{
sscanf(buf, "*CS%d\r", &keyspd);
}
else { printf("Unknown cmd=%s\n", buf); }
}
//flush(fd);
return 0;
}