From ab6058da0368aa3d4b5ce62ed8b8ee7c35d3ead0 Mon Sep 17 00:00:00 2001
From: Mike Black W9MDB <mdblack98@yahoo.com>
Date: Sat, 27 May 2023 10:45:45 -0500
Subject: [PATCH] Add simatd578.c

---
 simulators/Makefile.am |   2 +-
 simulators/simatd578.c | 144 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 145 insertions(+), 1 deletion(-)
 create mode 100644 simulators/simatd578.c

diff --git a/simulators/Makefile.am b/simulators/Makefile.am
index 78006dcf4..514721364 100644
--- a/simulators/Makefile.am
+++ b/simulators/Makefile.am
@@ -8,7 +8,7 @@ DISTCLEANFILES =
 
 bin_PROGRAMS = 
 
-check_PROGRAMS = simelecraft simicom simkenwood simyaesu simicom9100 simicom9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700 simrotorez simspid simft817 simts590 simft847 simicom7300 simicom7100
+check_PROGRAMS = simelecraft simicom simkenwood simyaesu simicom9100 simicom9700 simft991 simftdx1200 simftdx3000 simjupiter simpowersdr simid5100 simft736 simftdx5000 simtmd700 simrotorez simspid simft817 simts590 simft847 simicom7300 simicom7100 simdt578
 
 simelecraft_SOURCES = simelecraft.c 
 simicom_SOURCES = simicom.c 
diff --git a/simulators/simatd578.c b/simulators/simatd578.c
new file mode 100644
index 000000000..ca95b2dc6
--- /dev/null
+++ b/simulators/simatd578.c
@@ -0,0 +1,144 @@
+// can run this using rigctl/rigctld and socat pty devices
+// gcc -o simatd578 simatd578.c
+#define _XOPEN_SOURCE 700
+// since we are POSIX here we need this
+struct ip_mreq
+{
+    int dummy;
+};
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include "../include/hamlib/rig.h"
+
+#define BUFSIZE 256
+
+float freqA = 14074000;
+float freqB = 14074500;
+char tx_vfo = '0';
+char rx_vfo = '0';
+char modeA = '1';
+char modeB = '1';
+int width_main = 500;
+int width_sub = 700;
+int ptt = 0;
+
+
+int
+getmyline(int fd, unsigned char *buf)
+{
+    unsigned char c;
+    int i = 0;
+    int n = 0;
+    memset(buf, 0, BUFSIZE);
+
+    // seemd the anytone only gives 8-byte commands and 1-byte responses
+    while (i < 8 && read(fd, &c, 1) > 0)
+    {
+        if (i==0 && buf[i]==0x06)
+        {
+            write(fd, buf, 1);
+        }
+        else {
+        buf[i++] = c;
+        n++;
+        }
+    }
+
+    printf("n=%d %02x %02x %02x %02x %02x %02x %02x %02x\n", n, buf[0], buf[1],
+           buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
+    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("pstname");
+        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 main(int argc, char *argv[])
+{
+    unsigned char buf[256];
+    unsigned char *pbuf;
+    int n;
+
+
+again:
+    int fd = openPort(argv[1]);
+
+    while (1)
+    {
+        int bytes = getmyline(fd, buf);
+
+        if (bytes == 0)
+        {
+            close(fd);
+            goto again;
+        }
+
+        if (bytes != 8)
+        {
+            printf("Not 8 bytes?  bytes=%d\n", bytes);
+        }
+
+        switch (buf[0])
+        {
+        case 0x41:
+            if (buf[1] == 1)
+            {
+                ptt = 1;
+                printf("PTT ON\n");
+            }
+            else
+            {
+                ptt = 0;
+                printf("PTT OFF\n");
+            }
+
+            buf[0] = 0x00;
+            n = write(fd, buf, 1);
+            break;
+
+        default: printf("Unknown cmd=%02x\n", buf[0]);
+        }
+    }
+
+    return 0;
+}