Strange trasfer behaviour

Hello folks!

 

I've just purchased ardupilot mega v1.4 and arduIMU v2 flat. For now I've connected ardupilot to my own ftdi cable which based on ft232rl chip. Many of my projects were tested using that one. But for arduino I had to solder CTS and DTR wires and good to go....

 

I've flashed servo dance primer inside AP few times, after that I've tried to flash ardupilot mega 1.0Beta version but it said that something wrong with flashing eeprom. And after that I can't upload anything at all. When I use serial monitor - I see ardupilot CLI is there, but when I type, let's say, 'help' it echoes 'hAp' or 'hap', but not 'help'. Then I used codevision avr terminal program - works perfect - whats send thats received. Tried to run arduino on 2 systems - win7 x64 and win xp sp3. Any help greatly appreciated!

 

here is the errors that arduino gets:

avrdude: stk500_getsync(): not in sync: resp=0x00

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0xfd

P.S. Yes, I did check 'set RTS line'

Tags: cable, error, ftdi, problem

Views: 81

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DistributorPermalink Reply by Martint BuildYourOwnDrone.co.uk on January 29, 2011 at 6:01am

Hi YureZzZ,

 

Can you provide links to the products (the boards you have bought) which you are talking about, I do not follow the setup you are using.

 

Regards

 

Martin.

Permalink Reply by YureZzZ on January 29, 2011 at 6:50am

Here is my AP click.

BTW I use my own FTDI breakout board, but schematics are like that, except that I dont have C1.

Here is the setup 

Permalink Reply by YureZzZ on January 29, 2011 at 9:37am
Solved!!! *DANCE* Wash your ardupilot mega board with acetone and you gonna be alright =)
Also beware that some of the FTDI cables does not have VCCIO pin connected to VCC - found that while looking for solution. Cheers!

ModeratorPermalink Reply by Ruwan on July 26, 2012 at 10:17am

Hi YureZzZ, 

I'm trying an FTDI cable to connect to APM 1.4 board. Although, the cable installs firmware to the APM, when I try to connect I get "No heartbeat ... " error in Mission Planner. I'm wondering, what do you mean by VCCIO pin connected to VCC? I'm worried whether I'm using the correct FTDI cable. I got it from https://www.sparkfun.com/products/9717

Thanks,

Ruwan

Permalink Reply by YureZzZ on July 26, 2012 at 3:46pm

Just put Oilpan board on top of APM1.4 board and use USB cable to connect. Otherwise, why do you need APM board without sensors?


ModeratorPermalink Reply by Ruwan on July 26, 2012 at 4:03pm

Oh, I forgot to mention that this is for HIL simulation. 

Permalink Reply by YureZzZ on July 27, 2012 at 12:27am

Does your cable work with any other arduino board? There must be something wrong with it.

Here is the ftdi cable pinouts http://letsmakerobots.com/node/23728

And VCCIO is the pin of FTDI chip which I forgot to connect to VCC, so chip wouldn't start.

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