T O P I C R E V I E W |
simeon |
Posted - 06/08/2009 : 04:16:47 first i also had..!! problems flashing some types of eproms like 010 4001 1001 infact most eproms and sensative to time chips etc etc ... bla bla bla yakiti yakit yak...
i have cured this over any machine,,,
and every chip ive tried so far{about 300} flashed just fine
i notice they make a new programmer and call it !hi speed 480mbps this gave me a big clue
in my bios is an adjustment for the usb controller it says hispeed 480 mbps or full speed 12mbps
i set it to full speed mode {12mpbs}{usb 1.1 speed}
this cured the problems with write underuns completely !!!! ive tried as big a 4mb eproms with no problems reported
and i think is a problem many people have with this programmer and other top types
i was just about to order a willam for $29+post h**p://cgi.ebay.com/NEWEST-Willem-EPROM-Programmer-PIC-BIOS-Shipfrom-USA_W0QQitemZ310124490071QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4834dc2d57&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A8|39%3A1|240%3A1318|301%3A0|293%3A1|294%3A50
but man i spent i think 50 quid on this top2049 and now im glad i did!!!!!!
i hope i helped another with this info
i think is common to any usb enabled top programmer and for that matter some others
480mbps is far to fast to maintain a good latency for programming in RT
and the buffer in the top is too small or something to cope i think there later model will be better for this
i uninstalled all previous versions of top and deleted all there older exe files
i installed the latest software from h**p://www.top2048.com {click the english flag}
now i shut down my PC {xp asus p5b motherboard duo core mpu 1gb ram} when i rebooted i followed the rules to replace the usb drivers youll find a text in the documents section of the above site yipEEEE !!! it works atlast
and i was fuming for ages ... now im happy...
infact the higher speed usb with the top connected was causing instability problems if i unpluged it sometimes the machine would just restart or blue screen now its fine also ...!!!
and i am little sad becouse my laptop has no such settings for the usb controller perhaps a quick email to toshiba will end my misery with it
it would be nice to use the programmer with the laptop but not essential at least the dam thing works now as i need it for eproms for sure !!!
i just find it incredulious that any company fail fully to point this out to there customers in big bold writing so many complaining people i read over the post of
for something so simple in the end..!! |
11 L A T E S T R E P L I E S (Newest First) |
simeon |
Posted - 06/15/2009 : 08:58:53 i will post nmos chip completed writes if its helpfull
my advice and i asked my pal for one of his three units
is to use a windows me or 98 osr2 laptop to use flash
that has generic usb1
as top claim to not support usbs speeds {480mbps} till 3.xx series
yes im defending them
1} becouse now for me and others im sure it works 2} becouse i like the style of this unit 3} it does exact what it says it can!!!
can if you use it right
i would rather dedicate 1 usb controller to usb1 speed after all most mainboards have two controllers and just force one by using a 1.1hub to run at 12mbps
and the other for usb2
afterall its prob better as many devices work better at usb1 speeds i have
and usb 2 is too new to expect programmers of complex programmers to take onboard after all its 3 years old now
i would say get a life better to get an old usb1 laptop for flashing stuff
people with these are all laughting at you !!!! and most will say nothing
i didnt have to post here!!! |
simeon |
Posted - 06/15/2009 : 08:46:07 i will the work around is a cool idea for sure and please post your results...!!!! to help with debug of what is a very complex field
i write complex c++ models for proteus vsm so i know how these guys feel
h**p://uk.geocities.com/vsmvdd/ this is my models page
atleast i can flash the fu..in eproms for once after the cost
please dont shoot the messanger
better a workaround problems than no exit...
there is always a way out with c
there is always nothing..... and knobody helps atall
the way i found it here ... a major site i feel
and why i joined... |
ZLM |
Posted - 06/15/2009 : 07:20:03 Thanks. Please give us a update if you got any thing new from them. |
simeon |
Posted - 06/15/2009 : 01:28:19 h**p://www.youtube.com/watch?v=kA0BVWoIWGw
i made a small film showing the top2049 now programming a am27C010-150 with a 256k file no issues reported
i trust this is enough detail to show you that its working |
simeon |
Posted - 06/14/2009 : 23:56:04 what???
workaround not really....???
its miss use of directives in the driver jungo windriver.sys.
if you look at there code with a usb analyser, youll see the string to set the usb typing isnt addressed, so the driver simply hammers along at full speed until you limit it at port level.
the programmer runs perfectly once you lower the speed
a work around yes.
a working solution to a driver issue definatly;
that is incidently out of there control. as jungo windriver comes supplied as a library of percompiled usb interface functions, and a redistributable dll,sys top as a company cannot adjust. h**p://www.jungo.com/st/windriver_usb_pci_driver_development_software.html
i write c++ for usb and i can assure you there is a problem with other than there software and programmers.
it is infact much like vista a jungo's windriver issue
hacking there usb protocal is a good idea and reading other topics ill offer to lend a hand and write into one of the freeware front ends
i have lots of experience with hid devices like programmers and its easy as a simple dll based hid class and interface to the front end or use visual basic and rewrite it
however i hope they read this forum and see this issue im sure they will want to fix there driver to set the speed of the usb right
but your way wrong the programmers have no actual faults in there design
im around 40 years old and some of the ic's ive programmed now with it are older then me!!!!
i speek enough mandrin to communicate ok what im finding
and ill phone them later this evening when china wakes up and talk nicely to there software engineer lets hope they have some english also
im sure ill get a better solution for us all this way as contact via email seems hard
im also going to scan www.top2048.com and see what email boxes it has using a network tool i have |
ZLM |
Posted - 06/14/2009 : 06:49:49 This is a workaround. It is a short term solution. The problem still exist in the programmer/software itself. Also, this workarond is only proved by your testing.
But more users need a true fix and a good technical support from manufactuer.
Anyway, it is a good try.
|
simeon |
Posted - 06/08/2009 : 15:46:07 the top 2049 has got to be the best programmer i ever used
just programmed a set of 29F256 mils and fine no probs
then 2 27c1001 with no probs { 4 images to one chip hi lo}
the only issue i have is there software wont allow me to load files to offset buffer locations
so i have to use another programmers software to export the files i then need to flash
topwin still has a few issues with image handeling
but the timing is aok no probs with an added 1.1 hub in the middle across eproms flash
and not buffered multi loaded files not yet flashed or run
for sure |
simeon |
Posted - 06/08/2009 : 12:30:34 + as a final note as a c++ source conducer
i will say there apps have a few usb directives missing for sure
maybe their top c++ guys need a few new years at uni or replaced along with there managers and min yins
for sure i would do a better job in 20 mins ... clear out |
simeon |
Posted - 06/08/2009 : 06:39:18 If you found this adjustment to usb speeds worked for you
make a post below please
as im still in denial after so many months....
i will post a notice about it on www.edaboard.com |
simeon |
Posted - 06/08/2009 : 06:00:46 again i find a solution for both laptop and main machine
is to force the usb to run at v1.1 12mbps
to do this you need a route hub that allows only 12mbps passage its the easiest way you can get them in most places for under £20 i found one here h**p://www.sourcingmap.com/mini-port-usb-hub-with-usb-cable-clear-blue-p-1434.html?currency=GBP
for about a £5 inc post to solve this issue
a quick test chip confirms the top now runs correctly under the laptops control
this means i can use it for both machines and turn my mainmachine back to 480mbps
problem solved for good!!!!! |
simeon |
Posted - 06/08/2009 : 05:51:59 h**p://www.dealtime.co.uk/xPP-serial_adapters-card_pci_usb--2_mbps___20_mbps
here is the other solution for people who dont have a bios adjustment for there speed
{for base machines with pci slots}
plug in a usb2 full speed 12mbps card
laptop guys i just cant see a solution unless there is a software or registers tweak to turn it too full speed
ill need to have a poke around this toshiba see if it can be done but after some searching i find little info about it
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