Re: [Freetel-codec2] SM1000

2020-12-28 Thread Stuart Longland
0mA. Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. ___ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2

Re: [Freetel-codec2] SM1000

2020-12-28 Thread Stuart Longland
device, particularly a USB device that has its own source of 5V. I'd suggest the probability of this being required is very small indeed. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-08-01 Thread Stuart Longland
On 1/8/19 11:46 am, Steve wrote: > It's Sicilian talk, Not taught in schools... :-) I studied A/D and D/A converters… Nyquist… aliasing… all that "fun" stuff! -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a t

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-07-31 Thread Stuart Longland
On 1/8/19 12:00 am, Steve wrote: > How about a new repository for a KiCAD project to copy the SM1000 > support circuitry, e.g., A/D, D/A, PTT, LED's, etc, onto a RPi4 HAT. > Maybe include a +12 VDC connector to power everything. The A/D and D/A are built into the STM32F407. -- Stuart

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-07-30 Thread Stuart Longland
oser to the platform you were originally looking at. https://www.st.com/en/evaluation-tools/stm32f4discovery.html Then you can debug it, get to understand how the code works in its native habitat, before moving it across to another platform. -- Stuart Longland (aka Redhatter, VK4MSL) I

Re: [Freetel-codec2] sm1000 and FreeDV 700D

2019-07-30 Thread Stuart Longland
On 17/7/19 8:10 pm, Frank Bendon wrote: Could it be something to do with trying to run it with a USB3 port? Wouldn't be the first USB 2 device to have issues with a USB 3 host. Lots of USB 2.0 devices seem to have issues, not sure whether it's fixable in device firmware or not. -- Stuart

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-07-30 Thread Stuart Longland
rt of challenge. My thought would be to maybe have a look at the STM32F4 Discovery development board, as that was the board used to actually develop the SM1000 firmware. Once you poke it and see how it moves, it may be possible to slowly port it over to the TMS320C6713. -- Stuart Longland (aka R

Re: [Freetel-codec2] sm1000 and FreeDV 700D

2019-07-30 Thread Stuart Longland
On 17/7/19 6:16 am, David Rowe wrote: I had no idea the Windows world was so confusing! Isn't dealing with an OS that simultaneously wants to be CP/M, VMS and (more recently) Linux such fun?! -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-07-29 Thread Stuart Longland
a STM32F407). I'm not familiar with the specifics of the TMS320C6713 DSP in it, other than the fact that Wikipedia describes it as a 32-bit floating-point DSP. On paper, it should do the job, but I think debugging why it didn't is going to require someone who knows the DSP better than I do. -- Stuart

Re: [Freetel-codec2] A Question about CODEC2 and FDMDV

2019-07-24 Thread Stuart Longland
FDMDV over that audio streaming system, but the vocoder in GSM is going to give you a very hard time as it will mangle the FDMDV modem tones something fierce! You're flogging a dead horse going that route. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up

Re: [Freetel-codec2] First pass at a schematic for a small, cheap radio that runs Codec2

2019-05-26 Thread Stuart Longland
On 26/5/19 2:17 pm, Steve wrote: > On Sat, May 25, 2019 at 9:55 PM Stuart Longland > wrote: >> >> Whilst tethered, you could then turn off WiFi and just use CDC-Ethernet >> to communicate between radio and phone which would further reduce power >> consumption. &

Re: [Freetel-codec2] First pass at a schematic for a small, cheap radio that runs Codec2

2019-05-25 Thread Stuart Longland
t use CDC-Ethernet to communicate between radio and phone which would further reduce power consumption. When used in areas with no cellular communications, the phone could be put in "flight mode" to avoid wasting power on running a 3G/4G/LTE radio that's not useful. -- Stuart Long

Re: [Freetel-codec2] LPCNet at 1700 bits/s

2019-03-07 Thread Stuart Longland
kbit channel > > Is this even the right way to categorize it? Well, it's not a 8kHz arbitrary waveform, it's a very specific subset of possible waveforms that can be represented by that 2kbit channel. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up o

Re: [Freetel-codec2] add OpenBSD support

2019-01-16 Thread Stuart Longland
, but one cannot deny that OpenBSD has got a legendary track record for security with its releases, and as the Linux distributions pile on the complexity in desktops (PolicyKit, ConsoleKit, HAL, systemd, … ohh my!), maybe the Church of Puffy actually have a point. :-) -- Stuart Longland (aka

Re: [Freetel-codec2] ARM SBCs with SATA - was: Ubuntu 18 can't install subversion

2018-11-06 Thread Stuart Longland
M isn't a requirement, they are worth looking at. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. ___ Freetel-codec2 mailing list Freetel-codec2@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freetel-codec2

Re: [Freetel-codec2] Message for Don Reid, develop on Banana Pi

2018-10-09 Thread Stuart Longland
u his ${HOME}/.ssh/id_rsa.pub and you append it to ~wsjtdev/.ssh/authorized_keys like Puffy¹ intended. :-) That is *MUCH* safer for all concerned. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. 1. https://en.wikipedia.org/wiki/Ope

Re: [Freetel-codec2] Ubuntu 18 can't install subversion

2018-08-11 Thread Stuart Longland
1151 motherboard, another ~$80 for a CPU, ~$50 for some RAM, ~$30 for a PSU and ~$50 for a SSD: there's a similar spec x86 machine for about AU$310. When you consider that ARM SBC will require a PSU (the x86 machine includes this), suddenly the higher-end ARM SBCs aren't so compelling. -- Stuart Longlan

Re: [Freetel-codec2] Microsoft purchases GitHub

2018-06-07 Thread Stuart Longland
an see, there's a fair hike between the two. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Check out the vibrant tech community on one of the world'

Re: [Freetel-codec2] Microsoft purchases GitHub

2018-06-07 Thread Stuart Longland
On 05/06/18 22:03, Tomas Härdin wrote: > RE: Microsoft, it's still a large for-profit company so I'd be careful > in trusting it So was Github before Microsoft bought it. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape som

Re: [Freetel-codec2] Microsoft purchases GitHub

2018-06-03 Thread Stuart Longland
It is a fork of Gogs, which is also worth looking at (although I found Gitea first). Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Check out th

Re: [Freetel-codec2] 700D vs SSB Comparison

2018-05-07 Thread Stuart Longland
les' personal data before "emailing" it via a digital radio network to some other party that might then relay it onto some emergency response group. It's in casual conversation, or those operating in countries that explicitly forbid it (e.g. USA) where it's strictly forbidden. -- Stuart

Re: [Freetel-codec2] Codec 2 and Wavenet

2018-04-22 Thread Stuart Longland
On 22/04/18 20:04, tom sparks wrote: > > > On 22/04/18 13:23, Stuart Longland wrote: >> On 22/04/18 07:51, James Cloos wrote: >>>>>>>> "DR" == David Rowe <da...@rowetel.com> writes: >>> >>> DR>   http://www.rowe

Re: [Freetel-codec2] Codec 2 and Wavenet

2018-04-21 Thread Stuart Longland
the user agent, but left > the rest of the ua the same, then it worked. I've observed this too… tried adding the RSS feed of that blog to my RSS reader and got a stack of 403s. Rather than try and debug it, I decided that this was a signal that my interest in the project was unwanted and left

Re: [Freetel-codec2] IP protocol over FreeDV

2018-03-25 Thread Stuart Longland
io modules this weekend.  There are 1W modules if > this protocol proves promising. Sounds good. Nothing wrong with Python, especially at the prototyping stage. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. ---

Re: [Freetel-codec2] IP protocol over FreeDV

2018-03-24 Thread Stuart Longland
fficially supposed to work over 2.4GHz, but there's nothing to suggest it couldn't work on HF. We just have to do our own modem to replace 802.15.4, and rejig the crypto so that shared keys are used to authenticate (a message integrity code) instead of encrypt. In short though, I think it could work. -

Re: [Freetel-codec2] question about codec2

2017-12-07 Thread Stuart Longland
On 07/12/17 21:39, Stuart Longland wrote: > I don't think any of us can, legally, even if we *did* have a copy of > the implementation. > > I think someone who had a copy of the CODEC contributed those samples. > They were not done by any of the core team. In fact, this confirm

Re: [Freetel-codec2] question about codec2

2017-12-07 Thread Stuart Longland
?. I don't think any of us can, legally, even if we *did* have a copy of the implementation. I think someone who had a copy of the CODEC contributed those samples. They were not done by any of the core team. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed

Re: [Freetel-codec2] TDMA and digital voice

2017-11-04 Thread Stuart Longland
is brauny enough to do Codec2 real-time given it was chosen with the intent of using a specialised DSP (the AMBE+ chip) to do the signal processing. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. signature.asc Description: OpenPG

Re: [Freetel-codec2] FreeDV GUI 1.2 on Linux, Fedora 23

2017-05-11 Thread Stuart Longland
through PulseAudio. As for RDP; it might be possible to expose a SPICE session instead, which does carry sound. RDP won't because a Linux RDP server is basically an X server, and X does not have sound. -- Stuart Longland (aka Redhatter, VK4MSL) I

Re: [Freetel-codec2] LoRa Modulation

2017-03-11 Thread Stuart Longland
TV receiver dongle based around the infamous Realtek chipset). It might be that the discriminator output available via the 9600 baud packet radio jacks isn't up to the task… but even ¼ of this data rate would be a brilliant alternative to the Bell-203 modulation we're used to. Regards, -- Stuar

Re: [Freetel-codec2] DRM Mode H

2017-02-02 Thread Stuart Longland
On 02/02/17 11:44, David Ranch wrote: > > You can see working examples of this DRM mode in the SSTV programs for > Linux: > >Qsstv I thought QSSTV was analogue… it was last time I tried it. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's back

Re: [Freetel-codec2] not much codec 2 data

2016-09-19 Thread Stuart Longland
ackets, then in each RF frame, you send packet 2 (or zeros if it's the first packet) from the previous Codec2 frame concatenated with packet 1 from the current Codec2 frame. You double your data rate, but if an RF frame gets lost, you can still recover the full message with no delay or loss. -- Stuart

Re: [Freetel-codec2] cascaded ulaw, Alaw and,AMBE etc

2016-09-17 Thread Stuart Longland
hypothetical conversion from AMBE2 direct to µ-law, more likely the assumptions made by the µ-law CODEC don't hold true for the synthesized voice from the AMBE2 CODEC, and that would be why it sounds so terrible. Regards, -- Stuart Longland (aka R

Re: [Freetel-codec2] Another item for the PCB TO-DO List: nJRST pin

2016-01-30 Thread Stuart Longland
On 30/01/16 16:20, Stuart Longland wrote: > Some theories I'm thinking of: > - Switch bounce? Maybe I'm not doing it right and there's just a little > contact bounce as I'm holding it. > - RFI? Here at The Gap, I'm practically in the shadow of Mt. Coot-tha, > where there exists

Re: [Freetel-codec2] Possible to have multiple Codec2 instances?

2016-01-30 Thread Stuart Longland
create another instance of Codec 2 - suspect > that would make you run out of memory. Ahh okay, is it possible to share the instance that FreeDV uses? I didn't see an obvious way to do that and it didn't seem like a good idea. Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my

Re: [Freetel-codec2] Another item for the PCB TO-DO List: nJRST pin

2016-01-30 Thread Stuart Longland
I have trouble invoking the DFU bootloader. I would definitely agree that it should be pulled up to Vcc. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Site24

Re: [Freetel-codec2] Possible to have multiple Codec2 instances?

2016-01-30 Thread Stuart Longland
case. > BTW could you pls point me at some instructions for the current menu > system? I built the code last week but wasn't sure what to do next. There's some notes in the place where I keep the binary builds. https://stuartl.longlandclan.id.au/freedv/sm1000/ -- Stuart Longla

Re: [Freetel-codec2] Possible to have multiple Codec2 instances?

2016-01-30 Thread Stuart Longland
On 31/01/16 11:37, Stuart Longland wrote: >> BTW could you pls point me at some instructions for the current menu >> > system? I built the code last week but wasn't sure what to do next. > There's some notes in the place where I keep the binary builds. > https://stuartl.long

Re: [Freetel-codec2] Another item for the PCB TO-DO List: nJRST pin

2016-01-29 Thread Stuart Longland
und revision 2482 (according to `git bisect`) and I'm just trying to figure out why. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Site24x7 APM Insight:

Re: [Freetel-codec2] codec2 / stm32/ readme .txt help required

2016-01-20 Thread Stuart Longland
u look in the Makefile, any variable set with ?= can be overridden in local.mak, or set as an environment variable. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere.

Re: [Freetel-codec2] CHIP

2016-01-09 Thread Stuart Longland
more things to state machines so one could possibly determine when the CPU can be put to sleep from that. I think power-saving support is a long way off, and even without that, the SM1000 seems to sip power. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's

Re: [Freetel-codec2] Dumb SM1000 SWD question, where's pin 1?

2015-12-11 Thread Stuart Longland
n the bottom end (sort-of visible in that photo), but I'm not sure if that's accidental or if that's indeed the convention being used. I'm used to numbers or a little arrow on the silkscreen. That might be worthwhile on the next run of SM1000s. :-) Regards, -- Stuart Longland (aka Redhatter, VK4MSL)

Re: [Freetel-codec2] Dumb SM1000 SWD question, where's pin 1?

2015-12-11 Thread Stuart Longland
On 12/12/15 16:38, Steve wrote: > looking at that photo, it's the one on the left. R19 trace sneaks > between the right and middle pins and goes down to the left pin. Ahh, gotcha. Okay, I'll plug 'er in and see what I get. Hopefully not smoke signals. :-) Regards, -- Stuart Longlan

[Freetel-codec2] Dumb SM1000 SWD question, where's pin 1?

2015-12-11 Thread Stuart Longland
is SWDIO? Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- ___ Freetel-codec2 mailing list Freetel-codec2

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-11-22 Thread Stuart Longland
this week. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- ___ Freetel-codec2 mailing list Freetel-codec2@lists.source

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-11-20 Thread Stuart Longland
On 25/10/15 10:44, Stuart Longland wrote: >> 2/ FB on taking a look at 700B mode. I described some suggested first >> > steps on an email to the list on 24 Sep. Happy to work with you based >> > on the results of these unit tests. I imagine I'll be up for som

Re: [Freetel-codec2] Encrypting GSM Phone

2015-11-15 Thread Stuart Longland
e that trying to do data comms over this link is proving to be a major challenge. 1200bps is *really* pushing it. 700bps will be easier, however last time I tried FreeDV 700bps, the SM1000 crapped itself when I switched to DV mode. (And yes, it's time I pulled my finger out and did some more on the

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-10-25 Thread Stuart Longland
point to a Codec2 recording. When I've deduced a recording, I track the frame number, feeding the decoder with frames and upsampling the samples at the other end. Hopefully it won't hurt the CPU too much. Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-10-24 Thread Stuart Longland
On 25/10/15 10:01, Stuart Longland wrote: >> > /* Set up FreeDV modem */ >> > f = freedv_open(FREEDV_MODE_700B); Hmm, and even just having it do 700B alone, more to it is needed than just this. Changing 1600 to 700B causes the SM1000 to crap itself when going in

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-10-24 Thread Stuart Longland
s (Cortex M3; 64kB RAM, 512kB flash, no FPU) and the SM1000 which has no JTAG exposed. The STLink/V2 programmer cables are not expensive and OpenOCD supports them. Might be time to let some moths out of the wallet. ;-) Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind...

Re: [Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-10-24 Thread Stuart Longland
On 25/10/15 10:49, Steve wrote: > Added to the language in C99 if I remember right... No problem in GCC. Ahh, figured it was a newer feature. I sometimes have to deal with K C. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewh

[Freetel-codec2] SM1000 has a time-out timer

2015-10-24 Thread Stuart Longland
ceive mode as if the PTT had been released. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- ___ Freetel-code

[Freetel-codec2] SM1000 and the FreeDV 700B mode

2015-10-24 Thread Stuart Longland
change it requires a power-cycle to reboot. What's actually needed in order to switch from one mode to the other? -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's ba

Re: [Freetel-codec2] Email to ST regarding use of their application notes.

2015-09-28 Thread Stuart Longland
est option. I suppose I could have also gone 2-clause BSD or MIT. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. signature.asc Descript

Re: [Freetel-codec2] SM1000: Persistent settings now working

2015-09-27 Thread Stuart Longland
I used on this list. It may be possible to re-flash that portion of flash with a preconfigured block, or to manipulate the image to include it. If the block size changes, I'll let you know. Long term, I think the plan should be to get CDC-ACM serial console working, then that can be used to back u

[Freetel-codec2] SM1000: Persistent settings now working

2015-09-26 Thread Stuart Longland
this hour of the night. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- ___ Freetel-codec2 mailing list Free

Re: [Freetel-codec2] Beginnings of virtual EEPROM support

2015-09-26 Thread Stuart Longland
ase and hitting F3 repeatedly didn't make it jump out at me. ;-) At present, the data is so small, less than the 244-byte block payload, that it'll be a long time before we hit it. My development on this unit is likely to cost more in erase cycles. -- Stuart Longland (aka Redhatter, VK4MSL) I

Re: [Freetel-codec2] SM1000: Persistent settings now working

2015-09-26 Thread Stuart Longland
On 27/09/15 00:07, Stuart Longland wrote: > There is a somewhat buggy firmware image here: > http://stuartl.longlandclan.id.au/freedv/sm1000/sm1000-r2396.bin I've done some bug fixes: http://stuartl.longlandclan.id.au/freedv/sm1000/sm1000-r2402.bin This actually has working CRC32 calcu

Re: [Freetel-codec2] SM1000: Persistent settings now working

2015-09-26 Thread Stuart Longland
e RTC. Hooking that to a supercapacitor or header for a small lithium battery would be all that's needed. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a

Re: [Freetel-codec2] SM1000: Persistent settings now working

2015-09-26 Thread Stuart Longland
On 27/09/15 12:53, Stuart Longland wrote: > Another option just occurred to me. My previous scheme would basically > see 3 flash blocks get consumed: one "obsolete" block for the old > configuration, one new block with the new configuration, and a new copy > of wha

Re: [Freetel-codec2] SM1000: Persistent settings now working

2015-09-26 Thread Stuart Longland
ors, that's 189 blocks that have to each be re-written 1 times before the sectors are depleted. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed

[Freetel-codec2] SM1000 Menu-driven firmware

2015-09-23 Thread Stuart Longland
. Adventurous people can try it out here: http://stuartl.longlandclan.id.au/freedv/sm1000/2015-09-23/ Those looking for a git repository, I've thrown the lot up here: http://git.longlandclan.yi.org/?p=for-upstream/freedv/codec2.git The individual patch sets are separate branches. -- Stuart

Re: [Freetel-codec2] 50mW!

2015-09-23 Thread Stuart Longland
ed errors but I couldn't get any! Indeed, the biggest limit to QRP is QRM at the receiver station. Where I am here in The Gap, I don't get a noise floor below S7 on 40m. QRP would struggle big time. On the bicycle, some areas are fine, others are real bad. -- Stuart Longland (aka Redhatter, VK4MSL)

[Freetel-codec2] Fix for build error in SM1000 firmware since r2316

2015-09-23 Thread Stuart Longland
target 'sm1000.elf' failed Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get re

Re: [Freetel-codec2] Tuning Aid 700B mode

2015-09-21 Thread Stuart Longland
On 15/09/15 18:42, David Rowe wrote: > The CPU load is proportional to the initial freq offset estimation > bandwidth. I'm inclined to wait a little and see if this is a real problem. Tuning accuracy is likely to be an issue on headless systems or for visually impaired operators. --

Re: [Freetel-codec2] Building FreeDV on Gentoo/AMD64: fails to pick up hamlib

2015-09-20 Thread Stuart Longland
On 20/09/15 18:35, Alexandru Csete wrote: > On Sun, Sep 20, 2015 at 1:36 AM, Stuart Longland > <stua...@longlandclan.id.au> wrote: >> >> cmake doesn't like being told what to do either: >>> RC=0 stuartl@vk4msl-mb ~/hamradio/projects/fdmdv/freedv-build $ cmake

Re: [Freetel-codec2] Building FreeDV on Gentoo/AMD64: fails to pick up hamlib

2015-09-20 Thread Stuart Longland
final link step myself (after building with VERBOSE=1 to see what the link command was). That gave me a FreeDV binary. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. signature.asc Descripti

Re: [Freetel-codec2] Silly question regarding SM-1000 sample rate

2015-09-19 Thread Stuart Longland
lation or nearest-neighbour would probably work for getting it back to 16kHz. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape som

[Freetel-codec2] Building FreeDV on Gentoo/AMD64: fails to pick up hamlib

2015-09-19 Thread Stuart Longland
root root 19 Sep 20 09:08 libhamlib.so.2 -> > libhamlib.so.2.0.16 > lrwxrwxrwx 1 root root 21 Sep 20 09:08 libhamlib++.so.2 -> > libhamlib++.so.2.0.16 > -rwxr-xr-x 1 root root 142688 Sep 20 09:08 libhamlib.so.2.0.16 > -rwxr-xr-x 1 root root 51104 Sep 20 09:08 libhamlib++.s

Re: [Freetel-codec2] Building FreeDV on Gentoo/AMD64: fails to pick up hamlib

2015-09-19 Thread Stuart Longland
On 20/09/15 09:16, Stuart Longland wrote: >> RC=0 stuartl@vk4msl-mb ~/hamradio/projects/fdmdv/freedv-build $ pkg-config >> --libs hamlib >> -L/usr/lib64/hamlib -lhamlib -lm > > It seems the cmake files could use a little help finding where hamlib > has been put. AF

Re: [Freetel-codec2] Testing the SM1000 firmware

2015-09-19 Thread Stuart Longland
d on the SM1000 (I'm not sure what revision number that was, but I'm told it was some time in March). Then I should be able to figure out what's broken. Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...

Re: [Freetel-codec2] Tone generator, sound effects for the SM1000.

2015-09-18 Thread Stuart Longland
ay to see how much space there is in the FIFO? Otherwise I've got to try and guess, then "re-wind" N samples to try and play them again later, or stash them somewhere to be retried. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't

Re: [Freetel-codec2] Tone generator, sound effects for the SM1000.

2015-09-18 Thread Stuart Longland
, since I've got a new tone generator, I'll use that to fix it. Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a ta

Re: [Freetel-codec2] Tone generator, sound effects for the SM1000.

2015-09-18 Thread Stuart Longland
ook at that after I get something basic going. > If you, or anyone else reading, is interested, it would be great to have > some help porting the cohpsk modem to the SM1000. A first step would be > to look at the memory usage, like I did for the fdmdv modem: > >http://www.row

Re: [Freetel-codec2] Tone generator, sound effects for the SM1000.

2015-09-18 Thread Stuart Longland
e` check-out of it so that I can commit my changes. In any case, you were right, it was trivial to add. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. >From 97698ae33bbbc59aa050ccbc93c263da982cebec Mon Sep 17 00:00:00 2001 From: Stu

Re: [Freetel-codec2] Silly question regarding SM-1000 sample rate

2015-09-18 Thread Stuart Longland
ood point on the analogue filtering, I wasn't thinking of that side of things. Definitely we want to avoid nasty aliasing, and having a higher rate does make the filter cutoff less critical. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape so

[Freetel-codec2] SM1000 menu patchset

2015-09-18 Thread Stuart Longland
of the mode. If you hit a button before the announcement, the announcement is cancelled. (In the case of the SELECT button, a new announcement will happen instead after a delay.) -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere

Re: [Freetel-codec2] Now I have a disco light…

2015-09-13 Thread Stuart Longland
get scaled down to 12-bit. I'm iterating over that array and mixing my samples in, but it seems I'm not getting all of them: half get to the DAC un-mixed. I figure that the receive audio should be audible whilst

Re: [Freetel-codec2] Now I have a disco light…

2015-09-13 Thread Stuart Longland
sing that is the blinky GPIO pin you're referring to? Regards, - -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -BEGIN PGP SIGNATURE- Version: GnuPG v2 iQIcBAEBCAAGBQJV9eRKAAoJEE36GRQQveO3zNYP/2Nm2je8VQiZ74/PcQmY4hki 4/G3ji/lLnL8etK

Re: [Freetel-codec2] SM1000 phantom power

2015-09-11 Thread Stuart Longland
only when > the volume is wound up. Alternatively, 6 AA cells would fit down the back of it just nicely, and provide the needed oomph for the speaker amp. - -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -BEGIN PGP SIGNATURE-

[Freetel-codec2] Ubuntu and Debian packages for FreeDV, Codec2 [Updated URL]

2015-09-07 Thread Stuart Longland
to do so. I note the main http://www.yi.org site has been unresponsive for some weeks now and so I've taken some proactive measures to ensure my site stays accessible. Regards, - -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere

Re: [Freetel-codec2] speaker audio dropouts

2015-06-25 Thread Stuart Longland (VK4MSL)
software becomes problematic. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Monitor 25 network devices or servers for free with OpManager! OpManager

Re: [Freetel-codec2] New Toy

2015-06-04 Thread Stuart Longland (VK4MSL)
On 05/06/15 06:25, David Rowe wrote: Bruce and some others kindly donated some $ for a new laptop last year, I bought a used Lenovo X220 so I'm doing well there! Ahh good to know. :-) Could still use some help on C/C++ (non DSP) coding. I'll see what I can do. -- Stuart Longland (aka

[Freetel-codec2] Alternative to the Rpi/BeagleBone

2013-06-09 Thread Stuart Longland (VK4MSL)
ports. The board costs about as much as a Raspberry Pi, one downside is that it has less RAM. I'm digging around to see if it has hardware float; apparently it's an optional feature of the ARM926EJ-S. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up

Re: [Freetel-codec2] Getting the sources, instructions lacking slightly

2013-06-06 Thread Stuart Longland (VK4MSL)
On 07/06/13 07:18, Bruce Perens wrote: Modems and FEC belong in their own library. Not in the codec folder or the FDMDV application folder. We can call it libmodem or something. Perhaps libfdmdv; fdmdv being a frontend to libfdmdv and libcodec2. -- Stuart Longland (aka Redhatter, VK4MSL) I

Re: [Freetel-codec2] RaspberryPI as dumb modem

2013-05-25 Thread Stuart Longland (VK4MSL)
been largely contributed to by competitors. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. 1. http://www.longlandclan.yi.org/~stuartl/asoc/ -- Try New Relic

Re: [Freetel-codec2] [PATCH] Makefile: allow use of system sox

2013-05-18 Thread Stuart Longland (VK4MSL)
an alternative implementation. I'm not sure if gStreamer or GNURadio implements some of the things needed. Maybe those are worth a look? Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere

Re: [Freetel-codec2] Code updates

2013-05-08 Thread Stuart Longland (VK4MSL)
essentially got GNU MinGW on top of Windows XP, on top of GNU Linux... I could give it a crack, I have a laptop dual-booting Linux and Windows XP, but to be honest your VM will probably be faster than my physical host (P4M 2GHz, 1GB RAM). -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my

Re: [Freetel-codec2] Codec2 HT prototype at Hamvention

2013-04-16 Thread Stuart Longland (VK4MSL)
. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. -- Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data

Re: [Freetel-codec2] c2gmsk modem update

2013-04-14 Thread Stuart Longland (VK4MSL)
On 15/04/13 06:53, Kristoff Bonne wrote: Stuart, On 14-04-13 06:52, Stuart Longland (VK4MSL) wrote: On 14/04/13 13:48, Albert Cahalan wrote: I don't understand this. Both the GMSK signal and the voice signal are mono. Both signals are mono, so they can fit on a single stereo device. One

Re: [Freetel-codec2] c2gmsk modem update

2013-04-13 Thread Stuart Longland (VK4MSL)
it. Most devices can, it's only in rare circumstances where they'll be a problem. It's just a matter of coding appropriately to handle that possibility, then people can apply whatever workarounds suit their application. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's

Re: [Freetel-codec2] Any interest in cmake build system?

2013-04-12 Thread Stuart Longland (VK4MSL)
for MacOS X, BSD, etc too, although I can't test under MacOS X as none of my USB-serial converters (all pl2303-based) work on my MacBook under OS X 10.6.8. -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere