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Groups > comp.arch.embedded > #27200 > unrolled thread
| Started by | Elof Huang <elof.huang@runbox.com> |
|---|---|
| First post | 2017-09-01 14:07 +0800 |
| Last post | 2017-09-10 09:03 -0500 |
| Articles | 14 on this page of 74 — 15 participants |
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Embedded platforms for beginners? Elof Huang <elof.huang@runbox.com> - 2017-09-01 14:07 +0800
Re: Embedded platforms for beginners? Jack <jack4747@gmail.com> - 2017-08-31 23:22 -0700
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-01 04:10 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-01 21:49 +1000
Re: Embedded platforms for beginners? Elof Huang <elof.huang@runbox.com> - 2017-09-02 11:57 +0800
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-02 18:25 +1000
Re: Embedded platforms for beginners? Elof Huang <elof.huang@runbox.com> - 2017-09-03 15:37 +0800
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-03 17:54 +1000
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-03 13:49 -0400
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-02 11:41 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-03 09:44 +1000
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-02 20:39 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-03 11:16 +1000
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-02 18:21 -0700
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-03 14:26 +1000
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-03 02:14 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-03 17:52 +1000
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-03 13:50 -0400
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-03 22:20 -0700
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-05 22:06 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-06 12:21 +1000
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-05 22:42 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-06 14:26 +1000
Re: Embedded platforms for beginners? rickman <gnuarm@gmail.com> - 2017-09-06 01:20 -0400
Re: Embedded platforms for beginners? George Neuner <gneuner2@comcast.net> - 2017-09-03 15:58 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-04 08:00 +1000
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-03 19:13 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-04 09:58 +1000
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-03 20:16 -0400
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-04 15:13 +1000
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-03 22:24 -0700
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-04 15:55 +1000
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-05 14:15 +0200
Re: Embedded platforms for beginners? George Neuner <gneuner2@comcast.net> - 2017-09-05 12:35 -0400
Re: Embedded platforms for beginners? Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2017-09-05 10:02 -0700
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-05 18:13 +0100
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-06 10:24 +0200
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-05 17:10 -0700
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-06 09:57 +0200
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-05 16:57 -0700
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-05 16:54 -0700
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-06 12:31 +1000
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-05 19:42 -0700
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-05 10:16 +0200
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-05 16:56 -0400
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-04 10:46 +0100
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-05 17:09 -0400
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-05 19:35 -0700
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-06 12:40 +1000
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-06 00:42 -0400
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-06 08:55 +0100
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-06 08:45 +0100
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-07 20:23 -0400
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-08 08:42 +0100
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-08 12:07 +0200
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-08 11:40 +0100
Re: Embedded platforms for beginners? David Brown <david.brown@hesbynett.no> - 2017-09-08 13:24 +0200
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-08 13:36 +0100
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-09 13:16 -0400
Re: Embedded platforms for beginners? Les Cargill <lcargill99@comcast.com> - 2017-09-10 08:53 -0500
Re: Embedded platforms for beginners? Dimiter_Popoff <dp@tgi-sci.com> - 2017-09-10 20:18 +0300
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-11 21:24 -0400
Re: Embedded platforms for beginners? Les Cargill <lcargill99@comcast.com> - 2017-09-15 22:22 -0500
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-18 11:26 -0400
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-18 18:26 +0100
Re: Embedded platforms for beginners? Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-09-19 14:27 -0400
Re: Embedded platforms for beginners? Tom Gardner <spamjunk@blueyonder.co.uk> - 2017-09-18 18:24 +0100
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-03 22:30 -0700
Re: Embedded platforms for beginners? Clifford Heath <no.spam@please.net> - 2017-09-04 15:51 +1000
Re: Embedded platforms for beginners? Paul Rubin <no.email@nospam.invalid> - 2017-09-03 22:04 -0700
Re: Embedded platforms for beginners? kristoff <kristoff@skypro.be> - 2017-09-05 17:56 +0200
Re: Embedded platforms for beginners? Luke A. Guest <laguest@archeia.com> - 2017-09-10 17:10 +0100
Re: Embedded platforms for beginners? tarjei99@gmail.com - 2017-09-10 05:49 -0700
Re: Embedded platforms for beginners? Les Cargill <lcargill99@comcast.com> - 2017-09-10 09:03 -0500
Page 4 of 4 — ← Prev page 1 2 3 [4]
| From | Dimiter_Popoff <dp@tgi-sci.com> |
|---|---|
| Date | 2017-09-10 20:18 +0300 |
| Message-ID | <op3s54$hlc$1@dont-email.me> |
| In reply to | #27291 |
On 10.9.2017 г. 16:53, Les Cargill wrote:
> Phil Hobbs wrote:
>> On 09/08/2017 07:24 AM, David Brown wrote:
>>
>>> void free(void * ptr) { die_horribly(); }
>> My big brother used to say that the tape drives on the IBM System/360
>> at his school had an undocumented instruction: SST, for Stop and
>> Stretch Tape. Other systems were rumoured to have HCF, for Halt and
>> Catch Fire. ;)
>>
>
> Now a major cable network series on a station near you:
>
> http://www.imdb.com/title/tt2543312/
>
The show is not bad, I like it. Last season is too much web oriented
though.
Dimiter
======================================================
Dimiter Popoff, TGI http://www.tgi-sci.com
======================================================
http://www.flickr.com/photos/didi_tgi/
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| From | Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> |
|---|---|
| Date | 2017-09-11 21:24 -0400 |
| Message-ID | <V5GdnRqVb8zBqirEnZ2dnUU7-cednZ2d@supernews.com> |
| In reply to | #27291 |
On 09/10/2017 09:53 AM, Les Cargill wrote:
> Phil Hobbs wrote:
>> On 09/08/2017 07:24 AM, David Brown wrote:
>>
>>> void free(void * ptr) { die_horribly(); }
>> My big brother used to say that the tape drives on the IBM System/360
>> at his school had an undocumented instruction: SST, for Stop and
>> Stretch Tape. Other systems were rumoured to have HCF, for Halt and
>> Catch Fire. ;)
>>
>
> Now a major cable network series on a station near you:
>
> http://www.imdb.com/title/tt2543312/
Well, I suppose that was inevitable. I haven't watched TV in thirty
years except on rare occasions when I'm stuck in some hotel room that's
even bleaker than the Vast Wasteland, so I'm not au courant with the
latest offerings.
Cheers
Phil Hobbs
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics
160 North State Road #203
Briarcliff Manor NY 10510
hobbs at electrooptical dot net
http://electrooptical.net
[toc] | [prev] | [next] | [standalone]
| From | Les Cargill <lcargill99@comcast.com> |
|---|---|
| Date | 2017-09-15 22:22 -0500 |
| Message-ID | <opi552$h2l$1@dont-email.me> |
| In reply to | #27296 |
Phil Hobbs wrote:
> On 09/10/2017 09:53 AM, Les Cargill wrote:
>> Phil Hobbs wrote:
>>> On 09/08/2017 07:24 AM, David Brown wrote:
>>>
>>>> void free(void * ptr) { die_horribly(); }
>>> My big brother used to say that the tape drives on the IBM
>>> System/360 at his school had an undocumented instruction: SST,
>>> for Stop and Stretch Tape. Other systems were rumoured to have
>>> HCF, for Halt and Catch Fire. ;)
>>>
>>
>> Now a major cable network series on a station near you:
>>
>> http://www.imdb.com/title/tt2543312/
>
> Well, I suppose that was inevitable.
It's not bad.
> I haven't watched TV in thirty
> years except on rare occasions when I'm stuck in some hotel room
> that's even bleaker than the Vast Wasteland, so I'm not au courant
> with the latest offerings.
>
I had little choice - reading or TV - because of little kids underfoot.
The revolution begin with David Lynch's "Twin Peaks." Which you night
oughta see. Or maybe not.
And one John Kricfalusi came up with "Ren and Stimpy" and thereby all
the DNA for the next generation was stored.
Click on the link. But only if your dare.
http://www.dailymotion.com/video/x3hlree
It's gone beyond torrent into raging flood. We're in a golden age of the
medium.
Here's what's bizarre about it - the entire edifice is built in the
ability of people to comment on fora about what they think of the
shows.
This has caused TV to overflow the banks of the restrictions of the
Neilsen box.
As with all things, it is a measurement problem. A modest and noisy
improvement in the measurements produces, as always, an astounding result.
> Cheers
>
> Phil Hobbs
>
--
Les Cargill ( a card-carrying member of a measurement-constrained species )
[toc] | [prev] | [next] | [standalone]
| From | Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> |
|---|---|
| Date | 2017-09-18 11:26 -0400 |
| Message-ID | <ccec4084-6961-ccdb-7f5d-0eaeb13c3069@electrooptical.net> |
| In reply to | #27304 |
On 09/15/2017 11:22 PM, Les Cargill wrote:
> Phil Hobbs wrote:
>> On 09/10/2017 09:53 AM, Les Cargill wrote:
>>> Phil Hobbs wrote:
>>>> On 09/08/2017 07:24 AM, David Brown wrote:
>>>>
>>>>> void free(void * ptr) { die_horribly(); }
>>>> My big brother used to say that the tape drives on the IBM
>>>> System/360 at his school had an undocumented instruction: SST,
>>>> for Stop and Stretch Tape. Other systems were rumoured to have
>>>> HCF, for Halt and Catch Fire. ;)
>>>>
>>>
>>> Now a major cable network series on a station near you:
>>>
>>> http://www.imdb.com/title/tt2543312/
>>
>> Well, I suppose that was inevitable.
>
> It's not bad.
>
>> I haven't watched TV in thirty
>> years except on rare occasions when I'm stuck in some hotel room
>> that's even bleaker than the Vast Wasteland, so I'm not au courant
>> with the latest offerings.
>>
>
> I had little choice - reading or TV - because of little kids underfoot.
>
> The revolution begin with David Lynch's "Twin Peaks." Which you night
> oughta see. Or maybe not.
>
> And one John Kricfalusi came up with "Ren and Stimpy" and thereby all
> the DNA for the next generation was stored.
>
> Click on the link. But only if your dare.
> http://www.dailymotion.com/video/x3hlree
>
> It's gone beyond torrent into raging flood. We're in a golden age of the
> medium.
I get bored watching movies or TV after about 5 minutes at most.
Technical stuff that has actual content, I can take for maybe 15 minutes.
Video demands your complete attention and IME doesn't repay in interest.
Cheers
Phil Hobbs
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics
160 North State Road #203
Briarcliff Manor NY 10510
hobbs at electrooptical dot net
http://electrooptical.net
[toc] | [prev] | [next] | [standalone]
| From | Tom Gardner <spamjunk@blueyonder.co.uk> |
|---|---|
| Date | 2017-09-18 18:26 +0100 |
| Message-ID | <3lTvB.999867$Vu3.391659@fx44.am4> |
| In reply to | #27305 |
On 18/09/17 16:26, Phil Hobbs wrote:
> On 09/15/2017 11:22 PM, Les Cargill wrote:
>> Phil Hobbs wrote:
>>> On 09/10/2017 09:53 AM, Les Cargill wrote:
>>>> Phil Hobbs wrote:
>>>>> On 09/08/2017 07:24 AM, David Brown wrote:
>>>>>
>>>>>> void free(void * ptr) { die_horribly(); }
>>>>> My big brother used to say that the tape drives on the IBM
>>>>> System/360 at his school had an undocumented instruction: SST,
>>>>> for Stop and Stretch Tape. Other systems were rumoured to have
>>>>> HCF, for Halt and Catch Fire. ;)
>>>>>
>>>>
>>>> Now a major cable network series on a station near you:
>>>>
>>>> http://www.imdb.com/title/tt2543312/
>>>
>>> Well, I suppose that was inevitable.
>>
>> It's not bad.
>>
>>> I haven't watched TV in thirty
>>> years except on rare occasions when I'm stuck in some hotel room
>>> that's even bleaker than the Vast Wasteland, so I'm not au courant
>>> with the latest offerings.
>>>
>>
>> I had little choice - reading or TV - because of little kids underfoot.
>>
>> The revolution begin with David Lynch's "Twin Peaks." Which you night
>> oughta see. Or maybe not.
>>
>> And one John Kricfalusi came up with "Ren and Stimpy" and thereby all
>> the DNA for the next generation was stored.
>>
>> Click on the link. But only if your dare.
>> http://www.dailymotion.com/video/x3hlree
>>
>> It's gone beyond torrent into raging flood. We're in a golden age of the
>> medium.
>
> I get bored watching movies or TV after about 5 minutes at most.
> Technical stuff that has actual content, I can take for maybe 15 minutes.
>
> Video demands your complete attention and IME doesn't repay in interest.
There are very few /technical/ videos that actually use
the medium. Almost all of technical videos could be
replaced by text plus pictures - which I could speedread[1]
10* faster and which would also be searchable.
As for TV/movies: mpvies at the cinema require that you
watch them, which can be a useful change-is-as-good-as-a-rest.
Those TV documentaries that aren't merely radio-with-visuals
can be worth watching.
[1] the modern necessary skill is to spend 30s deciding
which 99% of stuff you /don't/ want to read in detail.
That's more or less impossible with video. (The ancient
necessary skill was to be able to glean as much
information as possible from the meagre available
information sources)
[toc] | [prev] | [next] | [standalone]
| From | Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> |
|---|---|
| Date | 2017-09-19 14:27 -0400 |
| Message-ID | <5de16148-72e4-0fcb-8e2f-1f85464e4717@electrooptical.net> |
| In reply to | #27307 |
On 09/18/2017 01:26 PM, Tom Gardner wrote:
> On 18/09/17 16:26, Phil Hobbs wrote:
>> On 09/15/2017 11:22 PM, Les Cargill wrote:
>>> Phil Hobbs wrote:
>>>> On 09/10/2017 09:53 AM, Les Cargill wrote:
>>>>> Phil Hobbs wrote:
>>>>>> On 09/08/2017 07:24 AM, David Brown wrote:
>>>>>>
>>>>>>> void free(void * ptr) { die_horribly(); }
>>>>>> My big brother used to say that the tape drives on the IBM
>>>>>> System/360 at his school had an undocumented instruction: SST,
>>>>>> for Stop and Stretch Tape. Other systems were rumoured to have
>>>>>> HCF, for Halt and Catch Fire. ;)
>>>>>>
>>>>>
>>>>> Now a major cable network series on a station near you:
>>>>>
>>>>> http://www.imdb.com/title/tt2543312/
>>>>
>>>> Well, I suppose that was inevitable.
>>>
>>> It's not bad.
>>>
>>>> I haven't watched TV in thirty
>>>> years except on rare occasions when I'm stuck in some hotel room
>>>> that's even bleaker than the Vast Wasteland, so I'm not au courant
>>>> with the latest offerings.
>>>>
>>>
>>> I had little choice - reading or TV - because of little kids underfoot.
>>>
>>> The revolution begin with David Lynch's "Twin Peaks." Which you night
>>> oughta see. Or maybe not.
>>>
>>> And one John Kricfalusi came up with "Ren and Stimpy" and thereby all
>>> the DNA for the next generation was stored.
>>>
>>> Click on the link. But only if your dare.
>>> http://www.dailymotion.com/video/x3hlree
>>>
>>> It's gone beyond torrent into raging flood. We're in a golden age of the
>>> medium.
>>
>> I get bored watching movies or TV after about 5 minutes at most.
>> Technical stuff that has actual content, I can take for maybe 15 minutes.
>>
>> Video demands your complete attention and IME doesn't repay in interest.
>
> There are very few /technical/ videos that actually use
> the medium. Almost all of technical videos could be
> replaced by text plus pictures - which I could speedread[1]
> 10* faster and which would also be searchable.
I'm talking about stuff like atomic bomb videos, not YouTube tutorials
and stuff.
>
> As for TV/movies: mpvies at the cinema require that you
> watch them, which can be a useful change-is-as-good-as-a-rest.
> Those TV documentaries that aren't merely radio-with-visuals
> can be worth watching.
>
> [1] the modern necessary skill is to spend 30s deciding
> which 99% of stuff you /don't/ want to read in detail.
> That's more or less impossible with video. (The ancient
> necessary skill was to be able to glean as much
> information as possible from the meagre available
> information sources)
TL;DR ;)
Cheers
Phil Hobbs
--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics
160 North State Road #203
Briarcliff Manor NY 10510
hobbs at electrooptical dot net
http://electrooptical.net
[toc] | [prev] | [next] | [standalone]
| From | Tom Gardner <spamjunk@blueyonder.co.uk> |
|---|---|
| Date | 2017-09-18 18:24 +0100 |
| Message-ID | <pjTvB.999866$Vu3.83269@fx44.am4> |
| In reply to | #27304 |
On 16/09/17 04:22, Les Cargill wrote: > The revolution begin with David Lynch's "Twin Peaks." Which you night oughta > see. Or maybe not. Or, 20 years earlier, The Prisoner :) > Here's what's bizarre about it - the entire edifice is built in the > ability of people to comment on fora about what they think of the > shows. Here we have something worse: gogglebox. It is a program in which a TV camera records people discussing TV programs that they are watching. I don't think they've done a recursive program yet, but I really wouldn't know! And, of course the warning in 1968's "The Year of the Sex Olympics" has been completely ignored, and it has come to pass in the form of "Big Brother". Reality TV was interesting when it was novel, back in 1974.
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| From | Paul Rubin <no.email@nospam.invalid> |
|---|---|
| Date | 2017-09-03 22:30 -0700 |
| Message-ID | <87k21fm3og.fsf@nightsong.com> |
| In reply to | #27219 |
George Neuner <gneuner2@comcast.net> writes: > My position is that GC has no place in a small system. OTOH, if > you're talking about a complex system with 32-bit controller and 100s > of KB (or more) of RAM ... MicroPython works with some contortions on the BBC Micro:bit which has 16k of ram, and much more nicely on the recent Adafruit SAMD21 boards which have 32k of ram. I don't know how much Luanode uses. Camelforth/4e4th (non-gc) runs ok on the MSP430G2553 which has 16k of flash and 512 bytes of ram. That might be a good way to start, or maybe Amforth on the AVR-based Arduinos. Who really cares about these any more though, except for legacy products? Everything is 32 bit now. I bought an Adafruit Gemma M0 board last week and had hoped to try it out this weekend, but have been distracted by other things. Real soon now though. If it's what it's cracked up to be, it basically puts the nail into the Arduino.
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| From | Clifford Heath <no.spam@please.net> |
|---|---|
| Date | 2017-09-04 15:51 +1000 |
| Message-ID | <kR5rB.28122$EG2.24768@fx15.iad> |
| In reply to | #27228 |
On 04/09/17 15:30, Paul Rubin wrote: > If it's what it's cracked up to be, it basically puts > the nail into the Arduino. Lots of things could do that. None of them have. The problem is, too many could; which to choose? I'm not supporting Arduino, I'm just saying that the best solution does not necessarily win mindshare. The hardware is almost immaterial; most people go where there's community.
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| From | Paul Rubin <no.email@nospam.invalid> |
|---|---|
| Date | 2017-09-03 22:04 -0700 |
| Message-ID | <871snnnjfi.fsf@nightsong.com> |
| In reply to | #27212 |
Clifford Heath <no.spam@please.net> writes: > * No need to allocate or manage memory (it's GC'd) > * API access to all port pins, audio, touch, etc > * No need to touch a peripheral device directly > * No need to initialize the chip or devices > > In other words, it's fairly highly-managed. That's a fine thing, but > the skills are not easily transferable to other MCUs. Aren't #2-#4 the same with Arduino and Mbed? Does that super low level stuff really matter for most embedded programming any more? Does OP have reasonable experience at desktop-level programming? I'd say if not, then embedded in general isn't a good place to start. Everything is easier on desktop systems.
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| From | kristoff <kristoff@skypro.be> |
|---|---|
| Date | 2017-09-05 17:56 +0200 |
| Message-ID | <oomhg5$ika$1@dont-email.me> |
| In reply to | #27207 |
Phil, On 02-09-17 17:41, Phil Hobbs wrote: > On 09/01/2017 07:49 AM, Clifford Heath wrote: >> On 01/09/17 16:07, Elof Huang wrote: >>> I want to learn Embedded systems, but don't know how to start it, >>> do you recommend any platform to start? >> If you're really a beginner, there is really nothing better than >> the Arduino system. > Unless you actually want to learn to build systems. Arduino is sort of > embedded-Python-lite, and (last time I looked) has horribly archaic > development tools. I've had source-level debugging since Microsoft 5.2 > for DOS, circa 1989. Arduino? Not last time I checked. I agree, but the question is this is really such an issue for a beginner. Let's keep in mind that the arduino project started out in an university of art to allow people to create interactive art. (like a painting that changes color when you move your hand over it). For that purpose, -as this is a tool to be used by artists, not engineers, its main goal is to hide the complexity of the low-level hardware interfaceing in libraries, ... it does do that very well. I agree, once you start writing code that interrupt service routines, timers, DMA-channels, etc. doing debugging with just print-commands soons hits its limits, ... but that's not what a beginner does, it it? My advice usually is, start with one of these arduino-starter kits to get your feet wet, and -once you have done that- you can then descide on what your next step will be: native AVR + gcc, mbed, STM32 + libopencm3, LPCxpresso (indeed, also very nice), PIC, MSP430, ... Or you can go "up" in the hardware stack and opt for (say) micropython an a STM32F4 (I think, the ideal tool to do fast-development talking to some new SPI/i2c/can-bus chip) or go down in the hardware stack: FPGAs/VHDL/verilog/myhdl/... > Cheers > Phil Hobbs Cheerio! Kr. Bonne.
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| From | Luke A. Guest <laguest@archeia.com> |
|---|---|
| Date | 2017-09-10 17:10 +0100 |
| Message-ID | <281692392.526752439.583161.laguest-archeia.com@nntp.aioe.org> |
| In reply to | #27238 |
kristoff <kristoff@skypro.be> wrote: > My advice usually is, start with one of these arduino-starter kits to > get your feet wet, and -once you have done that- you can then descide on > what your next step will be: native AVR + gcc, mbed, STM32 + libopencm3, > LPCxpresso (indeed, also very nice), PIC, MSP430, ... There's also languages other than C if you want. AVR-Ada is available for a higher level language. Although I would advise looking at this after you've checked out the basics of Arduino.
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| From | tarjei99@gmail.com |
|---|---|
| Date | 2017-09-10 05:49 -0700 |
| Message-ID | <01757284-0f4b-4c45-a3f9-be3c34c52c6c@googlegroups.com> |
| In reply to | #27200 |
A Raspberry PI 3 should work fine. It is VERY cheap. There is a thriving Maker community associated with it. Some use it with Arduino.
It is the size of a pack of playing cards.
It is powered by Micro USB and has the following :
+ Broadcom BCM2837 Arm7 Quad Core Processor powered SBC running at 900MHz
In 64 bit mode it becomes a Arm8
Can be overclocked pretty easily
+ 1GB RAM
+ 40pin extended GPIO
+ 4 normal USB 2
+ 1 Ethernet
+ built-in wifi
+ CSI camera port for connecting the RPI camera
+ DSI display port for connecting the RPI touch screen display
+ HDMI
+ Micro SD card as disk.
Operating systems : Primarily Raspbian, other Linuxes, FreeBSD, HardenedBSD, RiscOS and Windows 10 IOT core.
It is both a normal computer and have an I/O expansion port for whatever you try to make.
It is difficult to see a more ideal start system for somebody who want to start with embedded systems.
Adafruit seems to like it a lot.
www.adafruit.com/raspberrypi
https://www.raspberrypi.org/
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| From | Les Cargill <lcargill99@comcast.com> |
|---|---|
| Date | 2017-09-10 09:03 -0500 |
| Message-ID | <op3gf6$fba$1@dont-email.me> |
| In reply to | #27290 |
tarjei99@gmail.com wrote: > A Raspberry PI 3 should work fine. It is VERY cheap. There is a > thriving Maker community associated with it. Some use it with > Arduino. > > It is the size of a pack of playing cards. > > It is powered by Micro USB and has the following : > > + Broadcom BCM2837 Arm7 Quad Core Processor powered SBC running at > 900MHz In 64 bit mode it becomes a Arm8 Can be overclocked pretty > easily + 1GB RAM + 40pin extended GPIO + 4 normal USB 2 + 1 Ethernet > + built-in wifi ... and you can bridge the WiFi and Ethernet... > + CSI camera port for connecting the RPI camera + > DSI display port for connecting the RPI touch screen display + HDMI > + Micro SD card as disk. > > Operating systems : Primarily Raspbian, other Linuxes, FreeBSD, > HardenedBSD, RiscOS and Windows 10 IOT core. > > It is both a normal computer and have an I/O expansion port for > whatever you try to make. > The 4 USB ports mean you can add Ardiunos for hard realtime capability, or for protocol conversion. There is a small eternity of other USB peripherals. The Arduino is generally seen as a serial port, so you might be constrained to 115,200 bits/sec per. > It is difficult to see a more ideal start system for somebody who > want to start with embedded systems. > > Adafruit seems to like it a lot. www.adafruit.com/raspberrypi > > https://www.raspberrypi.org/ > -- Les Cargill
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