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Futaba FASST Receivers, and connection to ATMega, ArduPilot etc.
Started this discussion. Last reply by Richard Brown May 5, 2010. 7 Replies 0 Likes
I saw a post about connecting the output of Futaba FASST receivers to Autopilots, and grabbing the whole data stream.Can I connect a PPM output directly into on of the input PWM pins on an a chip…Continue
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Richard Brown replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc."Hi,
Following on from this, I need a PPM stream with a failsafe function, which the PPM encoder board will do from the description. I have a JR 9 channel PCM receiver, can it be programmed to read 9 channels and what connections are required to get…"
Ed Hall commented on Ron Jacobs's blog post Starting over...maybe."I might suggest something electric, made of foam, it's cheap, easy to fix at the field, and electric is fun.
There are a bunch of foamys, I like the MS Composite stuff, but there are many others out there.
Balsa is just so much less forgiving."
Ed Hall replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc."Thanks Rusty.
I'll get the PPM encoder order placed then."
13brv3 replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc."For the FASST 6 and 7 channel receivers, you can solder a wire inside to get the first 5 channels of PPM, but channels 6 and 7 are not in PPM sequence. If you need more than 5 channels in the PPM stream, you'll need a PPM encoder.
The 8 and 14…"
ModeratorChris Anderson replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc.
"Yes, that used to be the case back in the FM days of RC. Today's 2.4Ghz RC receivers don't make it so easy."
Ed Hall replied to Audun Brekke's discussion PPM Encoder"Ok, the header file I down loaded (servo2ppm_settings.h) looked like it had 8 channels defined already.
#define RC_FAILSAFE_CHANNEL_1 1500UL
#define RC_FAILSAFE_CHANNEL_2 1500UL
#define RC_FAILSAFE_CHANNEL_3 1000UL
#define RC_FAILSAFE_CHANNEL_4…"
Ed Hall replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc."Thanks Chris,
I think I see the problem, the autopilot running on the Atmel chip is too busy to catch all the signals, so you use another atmel chip for this ppm pwm processing.
I guess the question is, I thought that you could read this as a…"
ModeratorChris Anderson replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc.
"FASST, like all other RX receivers, outputs PWM. The PPM/PCM you discuss is an internal protocal used on some older receivers, but no longer a common standard in RC. You can connect PWM out to any PWM Arduino/Atmega pin and read it. For simple…"
Curt Olson replied to Ed Hall's discussion Futaba FASST Receivers, and connection to ATMega, ArduPilot etc."The way the ardupilot is designed is that you connect each receiver channel individually to the ardupilot. The ardupilot decodes the individual pwm signals (i.e. the signal that is sent to control a single servo.) This way the ardupilot is…"
Ed Hall posted a discussionFutaba FASST Receivers, and connection to ATMega, ArduPilot etc.
I saw a post about connecting the output of Futaba FASST receivers to Autopilots, and grabbing the whole data stream.Can I connect a PPM output directly into on of the input PWM pins on an a chip such as the ATMega1280?I though that FASST, was not a PPM/PCM protocol.Is there a starting point, or what pin should I connect to on a Futaba 6014FS FASST receiver?I would like to grab the data stream from the receiver, and then based upon conditions control LED's.Where would a good starting point or…See More
Ed Hall replied to Audun Brekke's discussion PPM Encoder"So what pin did you hook to on the 6014fs receiver.
Did you not need the PPM encoder to read the data?
I am trying to figure out how to hook my receiver and read the whole stream into the arduino.
Sorry new to this."
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