PWM测试
参考链接
1 Enable PWM on BeagleBone with Device Tree overlays
2 Using PWM on the Beaglebone Black
3 Beaglebone Coding 101: Buttons and PWM
6 Enabling PWM Support in the kernel
7
Beaglebone Back学习五（PWM测试）,布布扣,bubuko.com
原文地址：http://www.cnblogs.com/gjianw217/p/3754043.html
