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[Discuss-gnuradio] Re: interpolation and output level + missing Tx_check


From: Javs
Subject: [Discuss-gnuradio] Re: interpolation and output level + missing Tx_check
Date: Tue, 22 Mar 2005 14:16:17 -0800 (PST)

Note: forwarded message attached.


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--- Begin Message --- Subject: Re: [Discuss-gnuradio] interpolation and output level + missing Tx_check Date: Tue, 22 Mar 2005 12:41:29 -0800 (PST)

Sure. I am running Redhat 4.0 on a linux machine with a VIA EBC-C3 733MHz MMX compatible processor and 512MB of PCI133 SDRAM. I added a USB 2.0 host controller(NEC uPD720101) over the existing slow USB.

 

Other Features:

VIA 733 MHz low power C3 processor

EBX-compliant board

- 32 to 512MB of system PC133 SDRAM supported

in a 168-pin DIMM socket

- Socket for up to 1GB bootable DiskOnChipĀ® or

512KB SRAM or 1MB EPROM

- Type I and II Compact Flash (CF) cards supported

- PC-compatible supports Linux,Windows CE.NET

and XPe, plus other x86-compatible RTOS

- High resolution video controller supports

- Color panels supported with up to 36-bits/pixel

- Supports resolutions up to 1920 x 1440

- Simultaneous CRT and LCD operation

- 4X AGP local bus for high speed operation

- LVDS supported

- Dual 10/100 Mbps Intel PCI Ethernet controllers

- 4 RS-232 serial ports with FIFO, COM1 & COM2

with RS-422/485 support

- Bi-directional LPT port supports EPP/ECP

- 48 bi-directional TTL digital I/O lines with 24

capable of event sense interrupt generation

- Four USB ports onboard

- Two, dual Ultra DMA 33/66/100 EIDE connectors

- Floppy disk controller supports 1 or 2 drives

- AC97 Audio supported

- PC/104 and PC/104-Plus expansion connectors

- AT keyboard controller and PS/2 mouse support

- Activity LEDs onboard for visual status

- Two interrupt controllers and 7 DMA channels

- Three, 16-bit counter/timers

- +5 volt only operation

- Upgrade for WinSystems' EBC-LP and EBC-BX

- Real Time Clock,WDT and power fail reset

- Small size: 5.75" x 8.0" (146 mm x 203 mm)

Thanks

Javs



Eric Blossom <address@hidden> wrote:
On Tue, Mar 22, 2005 at 07:04:13AM -0800, Javs wrote:
> Greetings,
>
> I updated my code from CVS yesterday and the
> tx_check.py was missing in the gnuradio-examples. Was
> this removed ?

Yep. Try usrp_siggen.py instead.

> I am still wresting with the issues below. This time I
> tried usrp_siggen.py and it fails the first time
> giving:
>
> address@hidden usrp]$ ./usrp_siggen.py
> usrp: found usrp rev2
> usrp_open_interface: usb_claim_interface: failed conf
> 0
> could not set config 1: Operation not permitted
> open_nth_cmd_interface: open_cmd_interface failed
> Traceback (most recent call last):
> File "./usrp_siggen.py", line 144, in ?
> main ()
> File "./usrp_siggen.py", line 128, in main
> sg = siggen ()
> File "./usrp_siggen.py", line 21, in __init__
> self._instantiate_blocks ()
> File "./usrp_siggen.py", line 68, in
> _instantiate_blocks
> self.usrp = usrp.sink_c (0, self.interp)
> File
> "/usr/local/lib/python2.3/site-packages/gnuradio/usrp1.py",
> line 740, in sink_c
> return _usrp1.sink_c(*args)
> RuntimeError: std::runtime_error
>
> -------------------
>
> Any suggestions ?
>
> Thanks in advance.
>
> Javs

Can you please provide additional platform info such as:

OS, version, distribution, hardware architecture, etc.

Eric

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