From 7c8d4cc925233f8534610a683b63c57df03b38b5 Mon Sep 17 00:00:00 2001
From: Joerg Siebenmorgen <siebenmorgen@mailbox.org>
Date: Tue, 17 Sep 2024 22:23:54 +0200
Subject: [PATCH] Fix #228: Non-posix baud rates

---
 src/common/fs_serial.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/common/fs_serial.c b/src/common/fs_serial.c
index 0d62ca97..a580f158 100644
--- a/src/common/fs_serial.c
+++ b/src/common/fs_serial.c
@@ -42,7 +42,9 @@ long select_unix_serial_speed(long n) {
     return B19200;
     case 38400:
     return B38400;
-    // extra baud rates (but not posix)
+#ifdef B4000000
+    // extra baud rates are not POSIX standard
+    // but supported by Linux and FreeBSD
     case 57600:
     return B57600;
     case 115200:
@@ -53,14 +55,10 @@ long select_unix_serial_speed(long n) {
     return B460800;
     case 500000:
     return B500000;
-    case 576000:
-    return B576000; 
     case 921600:
     return B921600;
     case 1000000:
     return B1000000;
-    case 1152000:
-    return B1152000;
     case 1500000:
     return B1500000;
     case 2000000:
@@ -73,6 +71,15 @@ long select_unix_serial_speed(long n) {
     return B3500000;
     case 4000000:
     return B4000000;
+#endif
+#ifdef B576000
+    // Following baud rates are supported in Linux but
+    // not defined in FreeBSD
+    case 576000:
+    return B576000;
+    case 1152000:
+    return B1152000;
+#endif
   }
   return B9600;
 }