Module/Aeroprobe OTF - Revision history

Martinmm: add new Aeroprobe msg type

2016-04-25T19:23:37Z

add new Aeroprobe msg type

@@ Line 183: / Line 183: @@
-===Result message===
+===Result message (old) ===
 The output is airspeed (velocity), angle of attack (a_attack), angle of sideslip (a_sidesl) and altitude. The data is secured by a packet counter and a checksum.
 {{Box Code|conf/messages.xml|
 <source lang="xml">
-   <message name="WIND_AP_OTF" id="179">
+   <message name="FLOW_AP_OTF" id="179">
       <field name="counter" type="uint32"/>
       <field name="velocity" type="int16" unit="cm/s" alt_unit="m/s"/>
@@ Line 205: / Line 205: @@
 .548 123 FLOW_AP_OTF 1078 1451 661 1867 800 19
 .555 123 FLOW_AP_OTF 1079 1422 697 1685 -300 11
 [[Category:User_Documentation]] [[Category:Modules]]

Martinmm: replace Sparkfun PRT-08780 with BOB-11189

2014-05-18T21:01:43Z

replace Sparkfun PRT-08780 with BOB-11189

← Older revision		Revision as of 15:01, 18 May 2014
Line 34:		Line 34:
	== Hardware ==		== Hardware ==

	The air data computer needs to be configured by the manufacturer to output data at the desired speed. The serial interface does have original RS-232 levels, that is '''not''' compatible with the autopilots 3.3V interface. You need a RS-232 level shifter.		The air data computer needs to be configured by the manufacturer to output data at the desired speed. The serial interface does have original RS-232 levels, that is '''not''' compatible with the autopilots 3.3V interface. You need a RS-232 level shifter. Do '''not''' use a simple transistor-based converter like the Sparkfun PRT-08780 as it can not safely be driven by the Aeroprobe. Use a integrated converter like the MAX3232 based Sparkfun BOB-11189.

	Air data computer/pitot tube supplier:		Air data computer/pitot tube supplier:
Line 40:		Line 40:

	RS232 level shifter supplier:		RS232 level shifter supplier:
	[http://www.sparkfun.com/products/~~8780~~ Sparkfun]		[http://www.sparkfun.com/products/11189 Sparkfun]

	OTF connector supplier:		OTF connector supplier:
	[http://de.farnell.com/hrs-hirose/hr30-6p-6s-71/stecker-loet-buchsenkontakt-6kont/dp/1425744 Farnell]		[http://de.farnell.com/hrs-hirose/hr30-6p-6s-71/stecker-loet-buchsenkontakt-6kont/dp/1425744 Farnell]

	=== Wiring ===		=== Wiring Umarim ===

	{\|border="1"		{\|border="1"
	\|-valign="top"		\|-valign="top"
	\|\|'''Umarim UART1 pin'''\|\|'''Umarim UART1'''\|\|'''Level shifter'''		\|\|'''Umarim UART1 pin'''\|\|'''Umarim UART1'''\|\|'''Level shifter LOGIC'''
	\|-		\|-
	\|1		\|1
Line 65:		Line 65:
	\|4		\|4
	\|RX1		\|RX1
	\|~~TX-O~~		\|R1OUT
	\|-		\|-
	\|5		\|5
	\|TX1		\|TX1
	\|~~RX-I~~		\|T1IN
	\|}		\|}

			=== Wiring Logger/TWOG ===

	{\|border="1"		{\|border="1"
	\|-valign="top"		\|-valign="top"
	\|\|'''~~Level shifter Sub-D~~ pin'''\|\|'''~~Level shifter Sub-D~~'''\|\|'''~~OTF'''\|\|'''OTF pin~~'''		\|\|'''TWOG SERIAL pin'''\|\|'''TWOG SERIAL'''\|\|'''Level shifter LOGIC'''
	\|-		\|-
	\|1		\|1
			\|GND
			\|GND
			\|-
			\|2
	\|		\|
	\|		\|
	\|
	\|-
	\|2
	~~\|RXD~~
	~~\|RX (data in)~~
	\|4
	\|-		\|-
	\|3		\|3
	\|~~TXD~~		\| +3.3V
	~~\|TX (data out)~~		\| 3V-5.5V
	\|3
	\|-		\|-
	\|4		\|4
	\|
	\|		\|
	\|		\|
	\|-		\|-
	\|5		\|5
	\|~~GND~~		\|
	\|~~GND~~		\|
	\|5
	\|-		\|-
	\|6		\|6
	\|
	\|		\|
	\|		\|
	\|-		\|-
	\|7		\|7
	\|		\|RXD1
	\|		\|R1OUT
	\|
	\|-		\|-
	\|8		\|8
	\|		\|TXD1
	\|		\|T1IN
	\|
	\|-
	\|9
	\|
	\|
	\|
	\|}		\|}


			=== Common wiring===

	{\|border="1"		{\|border="1"
Line 135:		Line 125:
	\|GND		\|GND
	\|2		\|2
			\|}


			{\|border="1"
			\|-valign="top"
			\|\|'''color'''\|\|'''Level shifter RS-232'''\|\|'''OTF'''\|\|'''OTF pin'''
			\|-
			\|red
			\|R1IN
			\|TX (data out)
			\|3
			\|-
			\|orange
			\|T1OUT
			\|RX (data in)
			\|4
			\|-
			\|black
			\|GND
			\|GND
			\|5
	\|}		\|}

Martinmm at 19:27, 24 March 2013

2013-03-24T19:27:59Z

← Older revision		Revision as of 13:27, 24 March 2013
Line 5:		Line 5:
	== Overview ==		== Overview ==

	The Aeroprobe On-The-Fly! air data computer measures air pressure from a 5-hole pitot tube and can write resulting data to an SD card or transmit it through an UART. It outputs speed, angle of attack, angle of sideslip and altitude.		The Aeroprobe On-The-Fly! air data computer measures air pressure from a 5-hole pitot tube and can write resulting data to an SD card or transmit it through an UART. It outputs speed, angle of attack, angle of sideslip and altitude. The air data computer input "1" goes to the middle tube of the probe, the longest one. The next shorter one goes to "2", then "3" and so on.

	{\|border="1"		{\|border="1"

Martinmm at 19:03, 18 March 2013

2013-03-18T19:03:54Z

← Older revision		Revision as of 13:03, 18 March 2013
Line 167:		Line 167:
	<target name="ap" board="<my_board_type>">		<target name="ap" board="<my_board_type>">
	...		...
	<configure name="~~OTF_UART_NR~~" value="1"/>		<configure name="OTF_UART" value="UART1"/>
	</source>		</source>
	}}		}}

Martinmm at 22:50, 11 March 2013

2013-03-11T22:50:27Z

← Older revision		Revision as of 16:50, 11 March 2013
Line 1:		Line 1:
	__NOTOC__		__NOTOC__
			[[Image:Otf_5hole.jpg\|thumb\|right\|Aeroprobe 3mm 5-hole probe]]
	[[Image:Otf_ad.jpg\|thumb\|right\|Aeroprobe On-The-Fly! air data computer]]		[[Image:Otf_ad.jpg\|thumb\|right\|Aeroprobe On-The-Fly! air data computer]]
	[[Image:Otf_cable.jpg\|thumb\|right\|OTF! cable]]		[[Image:Otf_cable.jpg\|thumb\|right\|OTF! cable]]

Martinmm: Created page with "NOTOC Aeroprobe On-The-Fly! air data computer OTF! cable == Overview == The Aeroprobe On-The-Fly! air da…"

2013-03-11T21:55:04Z

Created page with "__NOTOC__ thumb|right|Aeroprobe On-The-Fly! air data computer thumb|right|OTF! cable == Overview == The Aeroprobe On-The-Fly! air da…"

New page

__NOTOC__
[[Image:Otf_ad.jpg|thumb|right|Aeroprobe On-The-Fly! air data computer]]
[[Image:Otf_cable.jpg|thumb|right|OTF! cable]]
== Overview ==

The Aeroprobe On-The-Fly! air data computer measures air pressure from a 5-hole pitot tube and can write resulting data to an SD card or transmit it through an UART. It outputs speed, angle of attack, angle of sideslip and altitude.

{|border="1"
|-valign="top"
||Module name||sensors/airspeed_otf
|-
|Sensor type
|airspeed, flow angle
|-
|Range (speed)
|8m/s .. 63m/s
|-
|Range (angle)
|±20°
|-
|Resolution (speed)
|0.02m/s
|-
|Resolution (angle)
|0.01°
|-
|Refresh rate
|100Hz
|}

[http://www.aeroprobe.com/uploads/On-The-Fly_Manual_RevF.docx User manual]

== Hardware ==

The air data computer needs to be configured by the manufacturer to output data at the desired speed. The serial interface does have original RS-232 levels, that is '''not''' compatible with the autopilots 3.3V interface. You need a RS-232 level shifter.

Air data computer/pitot tube supplier:
[http://www.aeroprobe.com/distributors Aeroprobe]

RS232 level shifter supplier:
[http://www.sparkfun.com/products/8780 Sparkfun]

OTF connector supplier:
[http://de.farnell.com/hrs-hirose/hr30-6p-6s-71/stecker-loet-buchsenkontakt-6kont/dp/1425744 Farnell]

=== Wiring ===

{|border="1"
|-valign="top"
||'''Umarim UART1 pin'''||'''Umarim UART1'''||'''Level shifter'''
|-
|1
|GND
|GND
|-
|2
|
|
|-
|3
| +3.3V
|VCC
|-
|4
|RX1
|TX-O
|-
|5
|TX1
|RX-I
|}

{|border="1"
|-valign="top"
||'''Level shifter Sub-D pin'''||'''Level shifter Sub-D'''||'''OTF'''||'''OTF pin'''
|-
|1
|
|
|
|-
|2
|RXD
|RX (data in)
|4
|-
|3
|TXD
|TX (data out)
|3
|-
|4
|
|
|
|-
|5
|GND
|GND
|5
|-
|6
|
|
|
|-
|7
|
|
|
|-
|8
|
|
|
|-
|9
|
|
|
|}

{|border="1"
|-valign="top"
||'''BEC Power supply'''||'''OTF'''||'''OTF pin'''
|-
| +
| +VCC
|1
|-
| -
|GND
|2
|}

== Ground usage ==

This is for the lab only, not for flight. The modem serial port of an Umarim will be occupied by the OTF! compter. Therefore the data is transferred through USB.
{{Box Code|conf/airframes/myplane.xml|
<source lang="xml">
<firmware name="fixedwing">
...
<subsystem name="telemetry" type="transparent_usb"/>
...
</source>
}}

To use it load the airspeed_otf module:
{{Box Code|conf/airframes/myplane.xml|
<source lang="xml">
<modules>
...
<load name="airspeed_otf.xml"/>
</modules>
</source>
}}

The used UART has to be set globally:
{{Box Code|conf/airframes/myplane.xml|
<source lang="xml">
<target name="ap" board="<my_board_type>">
...
<configure name="OTF_UART_NR" value="1"/>
</source>
}}

===Result message===

The output is airspeed (velocity), angle of attack (a_attack), angle of sideslip (a_sidesl) and altitude. The data is secured by a packet counter and a checksum.
{{Box Code|conf/messages.xml|
<source lang="xml">
<message name="WIND_AP_OTF" id="179">
<field name="counter" type="uint32"/>
<field name="velocity" type="int16" unit="cm/s" alt_unit="m/s"/>
<field name="a_attack" type="int16" unit="centideg" alt_unit="deg"/>
<field name="a_sidesl" type="int16" unit="centideg" alt_unit="deg"/>
<field name="altitude" type="int32" unit="cm" alt_unit="m"/>
<field name="checksum" type="uint8"/>
</message>
</source>
}}

Sample log file lines
11.522 123 FLOW_AP_OTF 1076 1480 628 1636 -100 2
11.535 123 FLOW_AP_OTF 1077 1457 735 1707 900 29
11.548 123 FLOW_AP_OTF 1078 1451 661 1867 800 19
11.555 123 FLOW_AP_OTF 1079 1422 697 1685 -300 11

[[Category:User_Documentation]] [[Category:Modules]]