paparazzi/paparazzi — pull request #581 by podhrmic (2013-11-08 22:56:19+00:00)
Title: [ppm] First attempt for a ppm driver

- Right now ChibiOs supports only first two channels on each timer for time capture
- Reads PWM, not working with actual radio yet!

The paparazzi side of the driver shouldn't change (much), tbd is a fix on ChibiOS side,
so we can read radio from UART1_RX