backlight PWM test app. PWM on pin 21 trigger output on pin 22.

Dependencies:   FastPWM mbed

Fork of PwmOut_HelloWorld by Mbed

Revision:
2:cfacbc7be12b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FastPWM.lib	Thu Jun 22 19:10:11 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/Sissors/code/FastPWM/#e880dcb178f4