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| 16:14.54 | prpplague | ~seen mallum |
| 16:15.06 | purl | prpplague: i haven't seen 'mallum' |
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| 16:35.47 | n17ikh | To those of you who work with embedded hardware, is it "best practice" when writing a full disk image on a CF card that doesn't fill the card, to zero the rest of the card "just to make sure"? |
| 16:35.57 | n17ikh | or is that silly |
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| 16:51.19 | Mirell | Depends if you're still working out the media device driver. |
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| 17:58.15 | pingbat | hi |
| 17:58.27 | pingbat | funy question |
| 17:58.32 | pingbat | *funny |
| 17:59.01 | pingbat | i'm having trouble getting the FTDI VCP drivers to work under linux |
| 17:59.29 | pingbat | i can get the chip (FTD2232D) to RX but not to TX |
| 18:00.21 | pingbat | i used a logic analyser to sniff the lines and everything works under MacOS |
| 18:00.25 | pingbat | but not linux |
| 18:00.30 | pingbat | really odd |
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| 18:53.21 | pingbat | now it's sending bet not recieving |
| 19:01.21 | prpplague | pingbat: shouldn't need any VCP drivers for ftd2232 under linux |
| 19:01.33 | prpplague | pingbat: ft2232 has been fully support since around .2.6.18 |
| 19:01.44 | prpplague | ~seen wmat |
| 19:01.46 | purl | wmat is currently on #meego (1d 22h 15m 15s) #elinux (1d 22h 15m 15s), last said: 'ka6s: try #beagle'. |
| 19:02.30 | pingbat | prpplague: the driver is built in right? |
| 19:02.38 | pingbat | btu i used 2 different distros |
| 19:02.46 | pingbat | no luck on either |
| 19:03.07 | pingbat | it will either send or receive but not both |
| 19:03.08 | prpplague | pingbat: the ft2232 driver is built with most distros |
| 19:03.32 | prpplague | pingbat: how are you determining the send or receive? |
| 19:03.54 | pingbat | logic analyser |
| 19:04.09 | pingbat | and an echo on the µc |
| 19:06.50 | pingbat | it's a stellaris dev board |
| 19:06.51 | prpplague | pingbat: sorry i mean on the linux side, what commands are you sending in order to do you test |
| 19:07.09 | pingbat | well i am trying to connect to the VCP using minicom |
| 19:07.16 | pingbat | or kermit |
| 19:07.47 | pingbat | and then resettinf the uc and sending bytes |
| 19:07.52 | prpplague | pingbat: just a note, there isn't such thing as VCP on linux |
| 19:08.01 | prpplague | pingbat: what device name are you connecting to? |
| 19:08.45 | pingbat | hello |
| 19:08.47 | pingbat | ah |
| 19:09.04 | pingbat | \/dev/ttyUSB2 |
| 19:09.10 | pingbat | /de |
| 19:09.16 | pingbat | /dev/ttyUSB2 |
| 19:09.22 | pingbat | sorry about that |
| 19:09.25 | prpplague | np |
| 19:09.39 | pingbat | what's it called in linux? |
| 19:09.43 | pingbat | a tty? |
| 19:09.50 | pingbat | serial |
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| 19:10.07 | prpplague | pingbat: just a device node |
| 19:10.27 | pingbat | ok |
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| 19:10.48 | pingbat | still, this is getting right up my nose |
| 19:11.07 | pingbat | it works on osx |
| 19:12.08 | prpplague | pingbat: i'd check to make sure you have flow control turned off in your minicom config |
| 19:12.20 | pingbat | that was the first thing i tried |
| 19:12.30 | prpplague | pingbat: ahh |
| 19:12.39 | pingbat | flow control on and i can receive |
| 19:12.52 | pingbat | off and i can't receive |
| 19:13.09 | prpplague | interesting |
| 19:13.47 | prpplague | this a home brew ft2232 device? or something off the shelf? |
| 19:14.22 | pingbat | flow control on i can receive and not send |
| 19:14.32 | pingbat | flow control off and i can send but not receive |
| 19:14.49 | pingbat | it's a luminary stellaris dev board |
| 19:15.02 | pingbat | i can reproduce the issue with both boards |
| 19:15.20 | prpplague | interesting |
| 19:15.27 | pingbat | the FT2232D acts as JTAG and serial |
| 19:15.39 | prpplague | is pretty familiar with ft2232 |
| 19:15.58 | prpplague | i've never experience any problems similar to what you are describing |
| 19:16.19 | pingbat | could it be the kernel version? |
| 19:16.22 | prpplague | but the ft2232 device is off the shelf or one you made? |
| 19:16.28 | pingbat | i am on Ubuntu 10.10 |
| 19:16.34 | pingbat | i tried on arch as well |
| 19:16.42 | pingbat | Arch Linux that is |
| 19:17.28 | prpplague | to me it sounds like some sort of ft2232 configuration issue, either in hardware or in the eeprom |
| 19:17.54 | pingbat | i am in a vm but that shouldn't affect things |
| 19:18.03 | prpplague | OH |
| 19:18.11 | pingbat | unless it should |
| 19:18.15 | pingbat | ? |
| 19:18.16 | prpplague | that can affect things greatly |
| 19:18.20 | chouimat|busy | a lot |
| 19:18.25 | pingbat | ahh |
| 19:18.29 | pingbat | right |
| 19:18.44 | prpplague | that is most likely the source of your problem |
| 19:19.08 | prpplague | you are running linux in a vm under windows? |
| 19:19.56 | pingbat | linux in a vm under os x |
| 19:20.09 | prpplague | ahh |
| 19:20.18 | prpplague | pingbat: yea, that most likely is your root cause |
| 19:20.26 | pingbat | right |
| 19:23.34 | pingbat | fml |
| 19:24.24 | pingbat | livedisc! to the rescue |
| 19:25.51 | chouimat|busy | pingbat: which vm software? |
| 19:26.03 | pingbat | vmware fusion |
| 19:26.22 | pingbat | also tried virtualbox |
| 19:26.34 | chouimat|busy | 4? |
| 19:26.59 | pingbat | 3.2 |
| 19:27.25 | pingbat | i need a blank cd |
| 19:28.01 | pingbat | what can i use other than screen to connect on the livedisc? |
| 19:29.25 | pingbat | the thing is the jtag port works fine in the vm |
| 19:29.35 | pingbat | only the serial port is being funny |
| 19:29.54 | prpplague | pingbat: i suspect that the mac OS is trying to monkey with the uart |
| 19:30.02 | pingbat | ? |
| 19:30.51 | prpplague | pingbat: when you were first describing you issue, i almost typed that it sounded like two programs were trying to use the same port, most likely the mac OS is trying to do something with the port at the same time as the VM is |
| 19:31.10 | pingbat | really? |
| 19:31.44 | prpplague | pingbat: yea thats what it sounds like to me |
| 19:32.11 | pingbat | well i'll try the livedisc and if that works then i'll give up |
| 19:32.20 | pingbat | and use a bus pirate or something |
| 19:32.40 | prpplague | or just use linux |
| 19:33.15 | pingbat | well, i need to keep my current windows partition for my job |
| 19:33.28 | pingbat | and triple boot on a mac is a pain in the bum |
| 19:34.17 | prpplague | pingbat: buy a netbook? |
| 19:34.24 | pingbat | i guess |
| 19:34.36 | pingbat | either that or i could dig out an old machine |
| 19:34.48 | pingbat | hmm, my brother has a netbook |
| 19:35.01 | prpplague | usually has to dig out an old machine for a windows box |
| 19:36.01 | pingbat | i aspire to be in your position one day |
| 19:36.03 | chouimat|busy | looks like I won't be able to get anything done today ... better go back home (ok upstair) |
| 19:38.58 | prpplague | chouimat|busy: need to change your nick to chouimat|unbusy |
| 19:39.18 | chouimat|busy | prpplague: no just to chouimat|sleepy |
| 19:39.34 | prpplague | jokes with chouimat|busy |
| 19:39.39 | prpplague | chouimat|busy: need to change your nick to chouimat|worthless |
| 19:39.43 | chouimat|busy | prpplague: stupid insomnia |
| 19:39.55 | prpplague | chouimat|busy: you too eh? |
| 19:40.01 | prpplague | chouimat|busy: been have that myself |
| 19:40.38 | chouimat|busy | I think I will stop at the drug store and get some sleeping pills for tonight, I'm currently too tired to even be able to sleep |
| 19:41.36 | prpplague | chouimat|busy: one sec |
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