Melodic keyboard using 4ch PWMs

Dependencies:   mbed

Revision:
1:2c75ba53ee40
Parent:
0:30b446b0af9a
--- a/main.cpp	Mon May 04 14:50:49 2015 +0000
+++ b/main.cpp	Mon May 04 14:54:28 2015 +0000
@@ -1,5 +1,9 @@
 #include "mbed.h"
 
+#if !defined(TARGET_LPC1549)
+#error This program uses 4ch PWMs of the LPC1549 platfrom
+#endif
+
 DigitalIn  btn_0(D0);
 DigitalIn  btn_1(D1);
 DigitalIn  btn_2(D2);