OpenLRS - thUndeadMOD v 2.0 - Booster ready version

[thundead]

Hey everyone, thought I'd make another thread just for this version since it is quite different.

First thing's first:

DISCLAIMER

This is still an open source project so may still have bugs but that's why together we can get everything sorted out and have a cheap and reliable system.

this is my second stable version.
Based on 1.10 by Melih
Thanks to Devonian for the 459 mod
------

A lot of time went into this  firmware so if anyone wants to send me some Pringles and Red Bull to keep me going here is the magic button



Pringles & Red Bull Thank You list so far

- pk-surfing
- papa_lazerous
- simondale
- Melih (@ Flytron.com)
- CrashingDutchman (@ Flytron.com)

---------------------------------
Current Features

- DIVERSITY
- Booster Friendly TX
- Lightweight FW - kept only the basic stuff
- Poor Man's FHSS (thanks to papa_lazerous for suggesting the name )
- thUndead's RSSI MOD - fine tuned 3.2 to 0v rssi Vout
- In Flight Fail Safe MOD << YES YOU CAN
- 38.4Kbps Baud Rate

Upcoming Stuff

- A bit more brush-up on the code


INSTALLATION

!!! PLEASE DO NOT USE ARDUINO 1.0 SDK! IT will break things! use 0.22 or 0.23 instead !!!

-Load up the firmwares in Arduino and flash them accordingly.

Available FWs:

459Mhz thUndeadMOD v2
http://www.multiupload.com/NC901PXYBY

-----------------------------------
DOCUMENTATION

Lightweight Firmware
This firmware is designed for long range so non essential things have been taken out. If you need telemetry, use v1.5.

------------------------------------

Poor Man's FHSS

Channels are grouped in sets of 3 and you can manually hop between sets by short pressing the TX button. You can add as many sets as you want but always keep a common channel! be sure to change CHNO to your total channel number and always have sets of three !


------------------------------------

Booster Friendly FW for TX

If you have Melih's booster you need to make BOOSTER 1 in config.h.  This changes the output power from 1 0 0 mw to 50mw which is the recommended input power for the booster.

Short insight on the booster: all I can say is, minimum power, 124mA current draw, 1.5km ground range through buildings and a hill lol.

----------------------------------

DIVERSITY
The Diversity algorithm is very simple: Second receiver acts as a repeater for the incoming signal. Simple and effective

Hardware Installation is very simple, just use a 2 wire Servo cable to supply the slave RX with GND and VCC from onw of the master RX's free servo ports or other 5V supply.

Software Installation: Just load the openLRS_RXS firmware onto the slave receiver and you are ready to go.


RSSI on the slave RX is still available either on pin 8 (v2 hw) or pin 9 (v1 hw)

OpenLRS Diversity	Small | Large

------------------------------------
RSSI: V output: min/max 0-3.2v

CALIBRATION:
uncomment Serial_RSSI in the config.h file (the RX one) and with you TX and RX ON check the outputted value in the Serial Monitor   ( going in the other room might increase the value lol ) and that should be your max RSSI output.

in the config.h change the max value accordingly:
//###### RSSI STUFF ########
//
#define RSSI_MAX 110 //turn on the RSSI debug and see what values you r getting at close range....
#define RSSI_SMOOTH  60   //increase if the Vout is still jumpy.

RSSI ON v2 BOARDS IS on CH 8 !

If the Vout is still jumpy, increase RSSI_SMOOTH and recheck your RSSI_MAX
-----------------------

In Flight Fail-Safe: nothing to change/calibrate here. Simply press and release the TX button after 2 secs and your F/S values are stored. You should see the red LED on the RX blink  when FS has been saved.
---------------------


Hope that was an interesting read,

Cheers,
Mihai.
 

[thundead]

<<reserved >>