Flash LED at half BPM

apps/squeak2/electric.mmel

@@ -0,0 +1 @@
+"<C3CG/A#2A#F3/CCG/A#2A#A#4E>6<F2FE3CF2FF3CF2FG3CF2FA3C>2<C3CG/A#2A#F3/CCG/A#2A#A#4E>6<F2FE3CF2FF3CF2FG3CF2FA3C>2<G2D3FD/DAC4A3/FC4ECC3GC4B3>6<G3D4GF/DFE/CCB3C4B3C4B3>3GD4GF/DFE/<C3CG/A#2A#F3/CCG/A#2A#A#4E>6<F2FE3CF2FF3CF2FG3CF2FA3C>2<C3CG/A#2A#F3/CCG/A#2A#A#4E>6<F2FE3CF2FF3CF2FG3CF2FA3C>2CCG/A#2A#F3/CCG/A#2A#A#4E<F2FE3CF2FF3CF2FG3CF2FA3C>2<G2D3FD/DAC4A3/FC4ECC3GC4B3>6<G3D4GFD/FE/CCB3C4B3C4B3>2GD4GFDFE<C3CG/A#2A#F3/CCG/A#2A#A#4E>3C3GA#2F3CGA#2A#3AA#AFD#"

apps/squeak2/squeak2.c

@@ -16,9 +16,7 @@
 /* Connect piezo tweeter to outermost pins of UCFK4 P1 connector.  */
 #define PIEZO_PIO PIO_DEFINE (PORT_D, 6)
 
-/* Define polling rate in Hz.  */
-#define LED_TASK_RATE 2
-
+/* Define polling rates in Hz.  */
 #define TWEETER_TASK_RATE 20000
 
 #define TUNE_TASK_RATE 100
@@ -27,6 +25,8 @@
 
 #define TUNE_BPM_RATE 200
 
+#define LED_TASK_RATE (TUNE_BPM_RATE / 60.0)
+
 
 static tweeter_scale_t scale_table[] = TWEETER_SCALE_TABLE (TWEETER_TASK_RATE);
 static tweeter_t tweeter;
@@ -37,7 +37,8 @@ static tweeter_obj_t tweeter_info;
 
 static const char tune1[] =
 {
-#include "mysterex.mmel"
+//#include "mysterex.mmel"
+#include "electric.mmel"
 "    >"
 };