MAXADC-RTD - i3 Detroit Public

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Message from discussion MAXADC-RTD
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From: Neil Funk <infinitedownt...@gmail.com>
Date: Wed, 11 Apr 2012 23:00:20 -0400
Message-ID: <CAAz54B+bwyQv5neSyKMemLmeNHHoeZBQSHFDrQn1YU3NYGM...@mail.gmail.com>
Subject: Re: [i3detroit-public] MAXADC-RTD
To: i3detroit-public@googlegroups.com
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Showed up on my Linux box as a HID device. Haven't tried to talk to it
beyond that though.
-Neil

[410114.788282] usb 2-2.4.3: new full-speed USB device number 7 using
ehci_hcd
[410114.802261] hub 2-2.4:1.0: port 3 not reset yet, waiting 10ms
[410114.886500] usb 2-2.4.3: skipped 1 descriptor after interface
[410114.889249] usb 2-2.4.3: default language 0x0409
[410114.894872] usb 2-2.4.3: udev 7, busnum 2, minor = 134
[410114.894876] usb 2-2.4.3: New USB device found, idVendor=0b6a,
idProduct=2bcd
[410114.894879] usb 2-2.4.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[410114.894883] usb 2-2.4.3: Product: MAXQ622 HID Demo
[410114.894886] usb 2-2.4.3: Manufacturer: Maxim
[410114.894980] usb 2-2.4.3: usb_probe_device
[410114.894985] usb 2-2.4.3: configuration #1 chosen from 1 choice
[410114.897389] usb 2-2.4.3: adding 2-2.4.3:1.0 (config #1, interface 0)
[410114.897433] usbhid 2-2.4.3:1.0: usb_probe_interface
[410114.897436] usbhid 2-2.4.3:1.0: usb_probe_interface - got id
[410114.907536] generic-usb 0003:0B6A:2BCD.0005: hidraw4: USB HID v1.10
Device [Maxim MAXQ622
HID Demo] on usb-0000:00:13.2-2.4.3/input0
[410114.907565] drivers/usb/core/inode.c: creating file '007'


On Apr 10, 2012 11:27 AM, "Paul Kerchen" <p...@whirlingchair.com> wrote:

> Do we have access to a USB protocol analyzer?  The device itself appears
> to present itself as a standard USB device (because it didn't require any
> special drivers before being available to their app), so it might not be
> too hard to talk to it and RE the protocol.  I'll investigate further and
> report my findings....
>
> Paul
>
> On 4/9/2012 6:50 PM, James Kemp wrote:
>
>> OK, it's cute.  And who could complain about something that's free?
>>
>> BUT
>>
>> Without any USB documentation about the protocol it's kinda useless.
>>  Sorry to be blunt.  Without the magic docs it's going to be hard to make
>> use of this thing.
>>
>> Maybe, by removing the micro on the backside, a direct connection to the
>> SPI bus going to the ADC chip could be made.  Lots of docs about the SPI
>> protocol going to the ADC chip.  By going direct, could also make use of
>> the digital IO on the ADC chip.  I'm thinking of a reflow oven app here.
>>  Read the ADC to know the temperature - use the digital IO to control a
>> Crydom solid state relay that turns the oven on and off.  Could all be on a
>> little daughter card on an Arduino (a shield in Arduino speak - I think).
>>
>> Anyway, without some kinda hack this baby is not much use.
>>
>> Anyone else got ideas for this thing?  I hate to give up so easily on
>> free stuff.
>> --
>> You received this message because you are subscribed to the Google Groups
>> "i3 Detroit Public" group.
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>> .
>>
>
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>

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<p>Showed up on my Linux box as a HID device. Haven&#39;t tried to talk to =
it beyond that though.<br>
-Neil</p><p>[410114.788282] usb 2-2.4.3: new full-speed USB device number 7=
 using ehci_hcd<br>[410114.802261] hub 2-2.4:1.0: port 3 not reset yet, wai=
ting 10ms<br>[410114.886500] usb 2-2.4.3: skipped 1 descriptor after interf=
ace<br>

[410114.889249] usb 2-2.4.3: default language 0x0409<br>[410114.894872] usb=
 2-2.4.3: udev 7, busnum 2, minor =3D 134<br>[410114.894876] usb 2-2.4.3: N=
ew USB device found, idVendor=3D0b6a, idProduct=3D2bcd<br>[410114.894879] u=
sb 2-2.4.3: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D0<=
br>

[410114.894883] usb 2-2.4.3: Product: MAXQ622 HID Demo<br>[410114.894886] u=
sb 2-2.4.3: Manufacturer: Maxim<br>[410114.894980] usb 2-2.4.3: usb_probe_d=
evice<br>[410114.894985] usb 2-2.4.3: configuration #1 chosen from 1 choice=
<br>

[410114.897389] usb 2-2.4.3: adding 2-2.4.3:1.0 (config #1, interface 0)<br=
>[410114.897433] usbhid 2-2.4.3:1.0: usb_probe_interface<br>[410114.897436]=
 usbhid 2-2.4.3:1.0: usb_probe_interface - got id<br>[410114.907536] generi=
c-usb 0003:0B6A:2BCD.0005: hidraw4: USB HID v1.10 Device [Maxim MAXQ622 <br=
>

HID Demo] on usb-0000:00:13.2-2.4.3/input0<br>[410114.907565] drivers/usb/c=
ore/inode.c: creating file &#39;007&#39;<br></p><p><br></p>
<div class=3D"gmail_quote">On Apr 10, 2012 11:27 AM, &quot;Paul Kerchen&quo=
t; &lt;<a href=3D"mailto:p...@whirlingchair.com" target=3D"_blank">paul@whi=
rlingchair.com</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"=
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">


Do we have access to a USB protocol analyzer? =A0The device itself appears =
to present itself as a standard USB device (because it didn&#39;t require a=
ny special drivers before being available to their app), so it might not be=
 too hard to talk to it and RE the protocol. =A0I&#39;ll investigate furthe=
r and report my findings....<br>



<br>
Paul<br>
<br>
On 4/9/2012 6:50 PM, James Kemp wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
OK, it&#39;s cute. =A0And who could complain about something that&#39;s fre=
e?<br>
<br>
BUT<br>
<br>
Without any USB documentation about the protocol it&#39;s kinda useless. =
=A0Sorry to be blunt. =A0Without the magic docs it&#39;s going to be hard t=
o make use of this thing.<br>
<br>
Maybe, by removing the micro on the backside, a direct connection to the SP=
I bus going to the ADC chip could be made. =A0Lots of docs about the SPI pr=
otocol going to the ADC chip. =A0By going direct, could also make use of th=
e digital IO on the ADC chip. =A0I&#39;m thinking of a reflow oven app here=
. =A0Read the ADC to know the temperature - use the digital IO to control a=
 Crydom solid state relay that turns the oven on and off. =A0Could all be o=
n a little daughter card on an Arduino (a shield in Arduino speak - I think=
).<br>



<br>
Anyway, without some kinda hack this baby is not much use.<br>
<br>
Anyone else got ideas for this thing? =A0I hate to give up so easily on fre=
e stuff.<br>
-- <br>
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</blockquote>
<br>
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<br>
</blockquote></div>

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