Fixed display error.

Disp_Plus.h

@@ -26,7 +26,9 @@
 #ifndef DISP_PLUS_H_INCLUDED
 #define DISP_PLUS_H_INCLUDED
 
-#define STRING_BUFFER_SIZE 21
+#include "config.h"
+
+#define STRING_BUFFER_SIZE LCD_cols+1
 
 template <class T>
 class Disp_Plus : public T
@@ -59,7 +61,8 @@ class Disp_Plus : public T
         if (fill_zero == true)
           memset(tmp, '0', field_size);
         else
-          memset(tmp, 0x20, field_size - 1); // blank
+          memset(tmp, 0x20, field_size); // blank
+        tmp[field_size+1]='\0';
         
         if (l > field_size)
           l = field_size;

MicroDexed.ino

@@ -337,7 +337,8 @@ void setup()
   // INIT DELAY
   delay1.delay(0, mapfloat(configuration.delay_time, DELAY_TIME_MIN, DELAY_TIME_MAX, 0.0, float(DELAY_TIME_MAX)));
   // delay_fb_mixer is the feedback-adding mixer
-  delay_fb_mixer.gain(0, 1.0 - (mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0))); // original signal
+  //delay_fb_mixer.gain(0, 1.0 - (mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0))); // original signal
+  delay_fb_mixer.gain(0, 1.0); // original signal
   delay_fb_mixer.gain(1, mapfloat(configuration.delay_feedback, DELAY_FEEDBACK_MIN, DELAY_FEEDBACK_MAX, 0.0, 1.0)); // amount of feedback
   master_mixer_r.gain(2, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));
   master_mixer_l.gain(2, mapfloat(configuration.delay_level, DELAY_LEVEL_MIN, DELAY_LEVEL_MAX, 0.0, 1.0));

UI.hpp

@@ -1181,7 +1181,7 @@ void UI_func_delay_feedback(uint8_t param)
     lcd_display_int(configuration.delay_feedback, 3, true, true, false);
 
     delay_fb_mixer.gain(1, configuration.delay_feedback / 100.0 ); // amount of feedback
-    delay_fb_mixer.gain(0, 1.0 - configuration.delay_feedback / 100.0); // original signal
+    //delay_fb_mixer.gain(0, 1.0 - configuration.delay_feedback / 200.0); // original signal
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********