From a5e4a809402eb929e55072573a176d8c2ed44712 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Sat, 14 Nov 2009 00:16:16 +0000
Subject: added baudrate parameter


diff --git a/options.c b/options.c
index 5d652a9..020e0f0 100644
--- a/options.c
+++ b/options.c
@@ -160,6 +160,7 @@ int options_parse(options_t* opt, int argc, char* argv[])
 
   char* mode = NULL;
   char* channel = NULL;
+  char* baudrate = NULL;
 
   int i;
   for(i=1; argc > 0; ++i)
@@ -176,6 +177,7 @@ int options_parse(options_t* opt, int argc, char* argv[])
     PARSE_STRING_PARAM("-P","--write-pid", opt->pid_file_)
     PARSE_STRING_LIST("-L","--log", opt->log_targets_)
     PARSE_STRING_PARAM("-s","--socket", opt->command_sock_)
+    PARSE_STRING_PARAM("-b","--baudrate", baudrate)
 #ifdef OPT_SWITCHCTL
     PARSE_STRING_PARAM("-f","--config", opt->conf_file_)
     PARSE_STRING_PARAM("-d","--device", opt->switch_dev_)
@@ -214,6 +216,22 @@ int options_parse(options_t* opt, int argc, char* argv[])
     free(channel);
   }
 
+  if(baudrate) {
+    int b = atoi(baudrate);
+    free(baudrate);
+    switch(b) {
+    case 1200: opt->baudrate_ = B1200; break;
+    case 2400: opt->baudrate_ = B2400; break;
+    case 4800: opt->baudrate_ = B4800; break;
+    case 9600: opt->baudrate_ = B9600; break;
+    case 19200: opt->baudrate_ = B19200; break;
+    case 38400: opt->baudrate_ = B38400; break;
+    case 57600: opt->baudrate_ = B57600; break;
+    case 115200: opt->baudrate_ = B115200; break;
+    default: return -5;
+    }
+  }
+
   return 0;
 }
 
@@ -275,6 +293,7 @@ void options_default(options_t* opt)
   string_list_init(&opt->log_targets_);
 
   opt->command_sock_ = strdup("/var/run/rhctl/switchctl.sock");
+  opt->baudrate_ = B19200;
 
 /* switchctl */
   opt->mode_ = MODE_MASTER;
@@ -341,9 +360,10 @@ void options_print_usage()
   printf("  [-L|--log] <target>:<level>[,<param1>[,<param2>..]]\n");
   printf("                                      add a log target, can be invoked several times\n");
   printf("  [-s|--command-sock] <unix sock>     the command socket e.g. /var/run/rhctl/switchctl.sock\n");
+  printf("  [-b|--baudrate] <baudrate>          the baudrate of the tty to use e.g. 19200\n");
 #ifdef OPT_SWITCHCTL
-  printf("  [-f|--config] <file>                the configuration file e.g. /etc/rhctl/switchctl.conf\n");
   printf("  [-d|--device] <tty>                 the tty the audio switch is connected to e.g. /dev/audioswitch\n");
+  printf("  [-f|--config] <file>                the configuration file e.g. /etc/rhctl/switchctl.conf\n");
   printf("  [-m|--mode] <mode>                  the initial mode to use e.g. master\n");
   printf("  [-c|--channel] <channel>            the initial channel to use e.g. main\n");
 #endif
@@ -369,6 +389,20 @@ void options_print(options_t* opt)
 
   printf("command_sock: '%s'\n", opt->command_sock_);
 
+  char* br;
+  switch(opt->baudrate_) {
+  case B1200: br = "1200"; break;
+  case B2400: br = "2400"; break;
+  case B4800: br = "4800"; break;
+  case B9600: br = "9600"; break;
+  case B19200: br = "19200"; break;
+  case B38400: br = "38400"; break;
+  case B57600: br = "57600"; break;
+  case B115200: br = "115200"; break;
+  default: br = "invalid"; break;
+  }
+  printf("baudrate: '%s'\n", br);
+
 #ifdef OPT_SWITCHCTL
   printf("mode: '%s'\n", opt->mode_ == MODE_MASTER ? "master" : "standby");
   printf("channel: '%s'\n", opt->channel_ == CHAN_MAIN ? "main" : "music");
diff --git a/options.h b/options.h
index 88a786d..1caa198 100644
--- a/options.h
+++ b/options.h
@@ -24,6 +24,7 @@
 
 #include "string_list.h"
 #include "key_value_storage.h"
+#include <termios.h>
 
 enum mode_enum { MODE_MASTER, MODE_STANDBY };
 typedef enum mode_enum mode_t;
@@ -42,6 +43,7 @@ struct options_struct {
   string_list_t log_targets_;
 
   char* command_sock_;
+  speed_t baudrate_;
 
 /* switchctl */
   mode_t mode_;
diff --git a/serialclient.c b/serialclient.c
index a32c691..392288a 100644
--- a/serialclient.c
+++ b/serialclient.c
@@ -146,6 +146,9 @@ int main(int argc, char* argv[])
     if(ret == -2) {
       fprintf(stderr, "memory error on options_parse, exiting\n");
     }
+    if(ret == -5) {
+      fprintf(stderr, "syntax error: invalid baudrate\n");
+    }
 
     if(ret != -2)
       options_print_usage();
@@ -237,7 +240,7 @@ int main(int argc, char* argv[])
     if(serial_fd < 0)
       ret = 2;
     else {
-      ret = setup_tty(serial_fd, B38400);
+      ret = setup_tty(serial_fd, opt.baudrate_);
       if(ret)
         ret = 2;
       else
diff --git a/switchctl.c b/switchctl.c
index c04d5b8..b3cc643 100644
--- a/switchctl.c
+++ b/switchctl.c
@@ -732,6 +732,9 @@ int main(int argc, char* argv[])
     if(ret == -4) {
       fprintf(stderr, "syntax error: channel name must be either main or music\n");
     }
+    if(ret == -5) {
+      fprintf(stderr, "syntax error: invalid baudrate\n");
+    }
 
     if(ret != -2)
       options_print_usage();
@@ -823,7 +826,7 @@ int main(int argc, char* argv[])
     if(switch_fd < 0)
       ret = 2;
     else {
-      ret = setup_tty(switch_fd, B19200);
+      ret = setup_tty(switch_fd, opt.baudrate_);
       if(ret)
         ret = 2;
       else
-- 
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