* added freq_sprintf helper

git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@457 7ae35d74-ebe9-4afe-98af-79ac388436b8

src/misc.c

@@ -6,7 +6,7 @@
  * Provides useful routines for data handling, used by backend
  * 	as well as by the frontend.
  *
- * $Id: misc.c,v 1.4 2000-12-22 01:16:17 javabear Exp $  
+ * $Id: misc.c,v 1.5 2001-04-24 19:52:28 f4cfe Exp $  
  *
  *
  * This program is free software; you can redistribute it and/or
@@ -223,3 +223,30 @@ void rig_debug(enum rig_debug_level_e debug_level, const char *fmt, ...)
 }
 
 
+/*
+ * rig_freq_snprintf
+ * pretty print frequencies
+ * str must be long enough. max can be as long as 17 chars
+ */
+int freq_sprintf(char *str, freq_t freq)
+{
+		double f;
+		char *hz;
+
+		if (freq >= GHz(1)) {
+				hz = "GHz";
+				f = (double)freq/GHz(1);
+		} else if (freq >= MHz(1)) {
+				hz = "MHz";
+				f = (double)freq/MHz(1);
+		} else if (freq >= kHz(1)) {
+				hz = "kHz";
+				f = (double)freq/kHz(1);
+		} else {
+				hz = "Hz";
+				f = (double)freq;
+		}
+
+		return sprintf (str, "%g%s", f, hz);
+}
+

src/misc.h

@@ -6,7 +6,7 @@
  * Provides useful routines for data handling, used by backends
  * 	as well as by the frontend.
  *
- *    $Id: misc.h,v 1.4 2000-12-22 01:16:17 javabear Exp $  
+ *    $Id: misc.h,v 1.5 2001-04-24 19:52:28 f4cfe Exp $  
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -62,5 +62,8 @@ unsigned long long from_bcd(const unsigned char bcd_data[], int bcd_len);
 unsigned char *to_bcd_be(unsigned char bcd_data[], unsigned long long freq, int bcd_len);
 unsigned long long from_bcd_be(const unsigned char bcd_data[], int bcd_len);
 
+int freq_sprintf(char *str, freq_t freq);
+
+
 #endif /* _MISC_H */