Merge branch 'refs/heads/2.1GHz'

main.c

@@ -834,7 +834,8 @@ freq_mode_centerspan(void)
 
 #define START_MIN 50000
 //#define STOP_MAX 900000000
-#define STOP_MAX 1500000000
+//#define STOP_MAX 1500000000
+#define STOP_MAX 2100000000
 
 void
 set_sweep_frequency(int type, float frequency)

si5351.c

@@ -309,7 +309,10 @@ si5351_set_frequency_with_offset(int freq, int offset, uint8_t drive_strength)
   int delay = 3;
   uint32_t ofreq = freq + offset;
   uint32_t rdiv = SI5351_R_DIV_1;
-  if (freq > 900000000) {
+  if (freq > 1500000000) {
+     freq /= 7;
+     ofreq /= 9;
+   } else if (freq > 900000000) {
     freq /= 5;
     ofreq /= 7;
   } else if (freq > 300000000) {