minors modifs

include/sound4calc.h

@@ -1,7 +1,7 @@
 #ifndef _SOUND4CALC_H
     #define _SOUND4CALC_H
 
-extern char* wave_signal; // simple waveform*
+extern char wave_signal[25]; // simple waveform*
 extern unsigned short duration; // equivalent as 2000 ms duration sound
 extern unsigned int freq;
 

src/main.c

@@ -20,9 +20,11 @@ int main(void)
 
         dprint(1, 1, "%d", freq);
         dprint(1, 10, "%s", wave_signal);
-        //dprint(1, 20, "%d", place);
+        dprint(1, 20, "F1:note/F2:sequence", place);
         dtext(1, 50, "F5 _    F6 -");
 
+
+
         dupdate();
 
         key = getkey();
@@ -38,12 +40,11 @@ int main(void)
             case KEY_F6 : *(wave_signal+place++) = '-'; break;
             case KEY_DEL : place=(place>0 ? place - 1 : 0); *(wave_signal+place) = 0; break;
 
-            case KEY_EXE :
-                CallNote();
-                break;
+            case KEY_F1 : CallNote(); break;
+            case KEY_F2 : CallSequence(); break;
 
             case KEY_EXIT :
-                //timer_stop(TIMER_USER);
+                timer_stop(TIMER_USER);
                     return 1;
         }
     }

src/sound4calc.c

@@ -12,7 +12,7 @@ static struct {
       {   -1,   -1 }
   };
 
-char* wave_signal = "-_"; // simple waveform
+char wave_signal[25] = {0}; // simple waveform
 unsigned short duration = 2000; // equivalent as 2000 ms duration sound
 unsigned int freq = 440;
 
@@ -45,6 +45,7 @@ void CallSequence()
 void CallNote()
 {
     unsigned int wavelength = strlen(wave_signal);
+
     timer_start(TIMER_USER, freq * wavelength, Clock_Hz, PlayNote, freq * duration / 1000);
 }