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| 02:19.51 | flyback | I assume if there is a serial to usb adaptor chip |
| 02:20.01 | flyback | there is a parallel/gpio/whatever to usb chip as well? |
| 02:21.02 | flyback | hmm ban must have reset again |
| 02:21.43 | flyback | the thought of a juicebox or webpal being able to speak usb devices is very exciting |
| 02:45.02 | MonMotha | there's USB to just about anything... |
| 02:45.16 | MonMotha | since there are host/slave USB enabled micros on the market at this point |
| 02:46.13 | flyback | yeah but those mean an extra layer of drivers etc |
| 02:46.25 | flyback | with these chips you can almost take an existing usb driver and mod it |
| 02:46.46 | MonMotha | um, hell you can outright clone an existing USB device with one of the USB enabled micros |
| 02:46.51 | MonMotha | assuming you know enough about the device |
| 02:47.06 | flyback | oh |
| 02:47.08 | flyback | wow |
| 02:47.16 | flyback | yeah I probably don't :( |
| 02:47.18 | MonMotha | nto to mention that there are class standards for some types of USB devices, and if you make your device conform, it will require no drivers |
| 02:47.28 | MonMotha | the most common example would be the HID class, and also the mass storage class |
| 02:47.40 | flyback | cause the webpal is such a cute little box but limited i/o whereas if I did usb it would be a lot more useful |
| 02:48.08 | MonMotha | for that, you want USB host |
| 02:48.26 | MonMotha | the easiest way to do that is chuck one of those embedded USB hosts that's already supported by linux into the ISA space |
| 02:48.31 | MonMotha | e.g. on a custom ISA card |
| 02:48.43 | flyback | yeah it woudl have to be very custom |
| 02:48.47 | MonMotha | not really |
| 02:48.50 | flyback | like 1 irq only 1 i/o port no dma |
| 02:48.50 | MonMotha | those things are pretty easy to talk to |
| 02:48.56 | flyback | cause the webpal has a very limited isa bus |
| 02:49.13 | MonMotha | yes, and those USB hosts are usually designed to be dangled off bare-bones IO ports anyway |
| 02:49.20 | flyback | cool! |
| 02:49.35 | flyback | wonder if they have a parallel port one that can use ecp dma |
| 02:49.53 | MonMotha | which wy do you want to go here? |
| 02:49.57 | MonMotha | you want to give the webpal USB host? |
| 02:50.04 | MonMotha | or do you want to make a USB slave device |
| 02:50.09 | MonMotha | it's a totally different problem |
| 02:50.29 | flyback | I want the webpal to eb able to like use usb flash drives etc |
| 02:50.58 | MonMotha | then you need to give the webpal USB host |
| 02:51.11 | MonMotha | that's a completely separate problem from providing things like a parallel port via USB |
| 02:51.24 | flyback | no dude |
| 02:51.35 | flyback | I was saying use the parallel port on the webpal |
| 02:51.38 | flyback | as a i./o source |
| 02:51.49 | MonMotha | ok, you'll have trouble gettign enough throughput |
| 02:51.49 | flyback | and since I think it supports ecp dma mode it could be less cpu usage |
| 02:51.53 | flyback | oh nm then |
| 02:51.56 | MonMotha | that port isn't designed to be cycled that fast |
| 02:51.57 | flyback | thought it might be better |
| 02:51.59 | flyback | forget it |
| 02:52.00 | MonMotha | EPP mode is much easier, too |
| 02:52.00 | flyback | thx :) |
| 02:52.18 | MonMotha | ECP requires some weird handshaking that pretty much requires that your device have been designed for ECP mode |
| 02:52.28 | flyback | that's what I was saying |
| 02:52.41 | flyback | I wondered if someone make a usb chip that connected to a parallel port via ecp |
| 02:53.08 | MonMotha | doubtful |
| 02:54.13 | MonMotha | you should be able to easily dangle an SL811HS off the ISA bus, and just use some 74 series for IRQ arbitration |
| 02:54.20 | MonMotha | only required linux code would be IRQ handling |
| 02:54.42 | MonMotha | other option would be to mod the ISA slot to have more than one IRQ, which is popular (especially since the IRQ line that's wired up to it is the wrong kind anyway) |
| 02:55.03 | flyback | yeah but with my shakey hands I would destroy the board :/ |
| 02:55.12 | MonMotha | so have somebody else build it for you |
| 02:55.17 | flyback | mabye i'll do what I planned to before before I whimped out |
| 02:55.20 | MonMotha | there's all kinds of board assembly houses out there |
| 02:55.22 | flyback | trade someone some parts they want |
| 02:55.25 | flyback | to do some soldering for me |
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| 05:14.48 | jbevren | Host slashdot.org not found: 5(REFUSED) |
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| 10:33.34 | T0mW | ho hum |
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| 13:41.30 | chouimat | morning |
| 13:46.09 | T0mW | not so cold today |
| 13:56.32 | T0mW | I need to finish the 17 meter antenna, perfect day for it, cold. |
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| 16:12.17 | nighty_ | uhmmm |
| 16:12.29 | nighty_ | hello |
| 16:13.10 | philv | uhmmm |
| 16:13.13 | philv | hi |
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| 19:42.38 | sunrunner20 | anybody need 50k 10k ohm suface mount resistor slol |
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