Description:
Embedded computer systems topics.
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Use of TRST on ST vs. Luminary ARM JTAG?
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I'm using an ST ARM Cortex part for the first time. I've been using Luminary parts until now.
I notice that on the Olimex demo board for the STM32F103RBT6, they have the JTAG TRST pin connected, but on the Luminary eval board for the LM3S811 the TRST pin is left open.
Does anyone know why this is? Is it just that the TRST pin is sorta... more »
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Bluetooth advices (for medical device)
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Hello,
I'm planning to use Bluetooth in a medical device I'm developing. The
device
is already based on a MCU (STM32) and is powered by mains.
The device will provide only the File Transfer profile sevice: it will act
only as a server providing one or more files that a client can download
(no modifications or upload on the server possible).... more »
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What's wrong with www.8052.com?
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Hello,
I can't connect to [link] at the moment, I get empty pages as a
response, regardless of the webbrowser I try.
Does anyone know what's wrong or going on?
Thanks!
Matthias
-- Matthias Arndt <mar...@asmsoftware.de>
PGP-Key: [link]
Jabber: simonsunny...@atari-jabber.org... more »
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EZ-ICE and software loading
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Dear all,
I found an interesting 'Engineer to Engineer Note' on AD ([link] 6ee_34.pdf) on the booting process when the ez-ice is connected to the target device.
I was wondering if there is a similar note on the 'loading process' of an... more »
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FOSDEM 2012 - Presentations Ada Developer Room on-line
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------------------------------ ------------------------------ -----------
*** All presentations available on-line ***
Ada Developer Room at FOSDEM 2012
(Ada at the Free and Open-Source Software Developers' European Meeting)
Saturday 4 February 2012... more »
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13th international CAN Conference at Hambach Castle, Germany
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On March 5 and 6, 2012 the 13th international CAN Conference (iCC) will take place at the Hambach castle in Neustadt an der Weinstraße (Germany).
Also on March 5, 2012 the CAN in Automation (CiA) international users? and manufacturers? group will celebrate its 20th anniversary with an evening... more »
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microphones with very low current consumption
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Dear,
I'm looking for ideas about microphones with very low current
consumption (say, less than few uA) and low cost(say less than $1).
Electret microphone elements typically include a JFET as an impedance
converter and the operating current of this JFET is typically 0.1 to
0.5 mA. As far as I know, there are microphones without JFET, so it... more »
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initializing memory before/after main()
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Dear all,
I am using an Analog Devices DSP from the old days (ADSP21020) and the g21k toolset (even though the VisualDSP would do exactly the same in this respect).
When using the runtime header, the vendor provides three calls to setup the hardware, the environment and the processor prior to the execution of the... more »
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