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Re: [Paparazzi-devel] Tiny 2 and messages

From: Uttam Chandrashekhar
Subject: Re: [Paparazzi-devel] Tiny 2 and messages
Date: Tue, 15 Jan 2008 23:44:03 -0800 (PST)

Hi Pascal,

Thanks. When I select the address@hidden and hit execute, it says error XBEE cannot be found ( obviously not connected ). It starts the link though. How do I restart the Data link agent at 9600? How do I replace 57600 by 9600?


----- Original Message ----
From: Pascal Brisset <address@hidden>
To: address@hidden
Sent: Wednesday, January 16, 2008 12:58:54 PM
Subject: Re: [Paparazzi-devel] Tiny 2 and messages

Uttam Chandrashekhar wrote:
> Hi,
> I made an adapter to plug into the "Download" header of the tiny. Tiny
> 2 GND-> adapter GND. Tiny 2 TX-> adapter RX and Tiny 2 RX -> adapter TX.
> I 1st plugged in the USB cable into the "USB" header and flashed the
> AP code. The LED was flashing after completion. I then powered off the
> board, plugged in the Z axis sensor to the Tiny. I removed the USB
> cable from the "USB" header and plugged in the serial adapter to the
> "download" header of the Tiny 2, and plugged the adapter to the USB
> port on the laptop. I then powered the board on.
> How do I check for messages now?
Hmmm, a lot is missing in the wiki :-(
You have to run the session "Flight address@hidden" or "Flight
address@hidden". If your board has been flashed with the
funjet1.xml airframe configuration, then you want the Maxstream session
(because of the -DDOWNLINK_TRANSPORT=XBeeTransport flag). The speed is
9600 in this airborne configuration so:
  - run the Flight address@hidden session
- stop the Data Link agent, replace 57600 by 9600 and restart it
- you should get information on the GCS (the battery level for example)
- from the Tools menu in Paparazzi Center, run a Messages agent to see
all the telemetry messages
- Save your session for later use (from the Sessions menu)

> Do I need to select a particular session in the GCS? The messages
> window says nothing right now. In the wiki, DevGuide/Communications it
> says I need to add <message name="CALIB_START" period="1"/>
Hmm, the wiki is incomplete and out of date :-)


> to the default telemetry file, and then provide a macro in the
> sw/airborne/ap_downlink.h file PERIODIC_SEND_DEBUG_CALIB_START()
> Do I do this and reflash the AP?
> -Thanks,
> Uttam
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