# SVFFI Generator Driver

This driver implements support for the SVFFI generator serial protocol for
this system http://www.svffi.com/en/

# Parameters

The script used the following parameters:

## EFI_SVF_ENABLE

this must be set to 1 to enable the driver

# Operation

This driver should be loaded by placing the lua script in the
APM/SCRIPTS directory on the microSD card, which can be done either
directly or via MAVFTP. The following key parameters should be set:

 - SCR_ENABLE should be set to 1
 - EFI_TYPE should be set to 7
 - EFI_SVF_ENABLE should be set to 1
 - SERIALn_PROTOCOL should be set to 28 for the connected serial port
 - RPM_TYPE1 should be set to 3

then the flight controller should rebooted and parameters should be
refreshed.

Once loaded the GEN_SVF parameters will appear and should be set
according to the parameter list above.

The GCS will receive EFI_STATUS MAVLink messages which includes RPM,
cylinder head temperature and throttle position. It will also receive
GEN_FUEL and GEN_AMPS named value float messages which give generator
fuel level percentage and current.