Add common function to give hotkey help

* Key to dial and hangup
* Key to display wave form

2 files changed, 9 insertions, 0 deletions

diff --git a/src/common/main.h b/src/common/main.h
index 9072c70..c9fecca 100644
--- a/src/common/main.h
+++ b/src/common/main.h
@@ -21,6 +21,7 @@ extern const char *read_rx_wave;
 
 void print_help(const char *arg0);
 void print_help_common(const char *arg0, const char *ext_usage);
+void print_hotkeys_common(void);
 extern struct option *long_options;
 extern char *optstring;
 void set_options_common(const char *optstring_special, struct option *long_options_special);
diff --git a/src/common/main_common.c b/src/common/main_common.c
index c14ab28..5fd1bc9 100644
--- a/src/common/main_common.c
+++ b/src/common/main_common.c
@@ -112,6 +112,14 @@ void print_help_common(const char *arg0, const char *ext_usage)
 	printf("        Replace received audio by given wav audio file.\n");
 }
 
+void print_hotkeys_common(void)
+{
+	printf("\n");
+	printf("Press digits '0'..'9' and then 'd' key to dial towards mobile station\n");
+	printf("Press 'h' key to hangup.\n");
+	printf("Press 'w' key to toggle display of wave form of RX signal.\n");
+}
+
 #define	OPT_CHANNEL		1000
 #define	OPT_WRITE_RX_WAVE	1001
 #define	OPT_WRITE_TX_WAVE	1002