Linux_HAL_Essentials: Add HC-SR04 README.md

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mirkix 2015-11-24 21:14:41 +01:00 committed by Andrew Tridgell
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# PRU firmware for HC-SR04 rangefinder
HC-SR04 driver that can be used with BeagleBone Black
## Install PRU C-Compiler
1. `sudo apt-get update`
2. `sudo apt-get install ti-pru-cgt-installer`
## Rebuild rangefinder.c
1. `cd ardupilot/Tools/Linux_HAL_Essentials/rangefinderpru/`
2. `make`