rickb44 [Wed, 15 Oct 2014 13:58:52 +0000 (13:58 +0000)]
Update SM1000-C schematics RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1894
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drowe67 [Wed, 15 Oct 2014 06:21:09 +0000 (06:21 +0000)]
first pass at coarse timing (frame sync), syncs up OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@1893
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drowe67 [Wed, 15 Oct 2014 05:40:07 +0000 (05:40 +0000)]
tx and rx filtering, up and down conversion, now for frame sync
git-svn-id: https://svn.code.sf.net/p/freetel/code@1892
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drowe67 [Wed, 15 Oct 2014 04:29:35 +0000 (04:29 +0000)]
tx filtering and upconversion working, they look very wide
git-svn-id: https://svn.code.sf.net/p/freetel/code@1891
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drowe67 [Wed, 15 Oct 2014 03:11:13 +0000 (03:11 +0000)]
rx side now in a function
git-svn-id: https://svn.code.sf.net/p/freetel/code@1890
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drowe67 [Wed, 15 Oct 2014 01:32:04 +0000 (01:32 +0000)]
moved hf channel sim into a function
git-svn-id: https://svn.code.sf.net/p/freetel/code@1889
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rickb44 [Tue, 14 Oct 2014 12:59:46 +0000 (12:59 +0000)]
Recovery from Eagle ERC problem RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1888
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drowe67 [Tue, 14 Oct 2014 01:25:51 +0000 (01:25 +0000)]
changed pilot to be a useful frame sync word and improved amplt est to combine spread spectrum carriers
git-svn-id: https://svn.code.sf.net/p/freetel/code@1887
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drowe67 [Mon, 13 Oct 2014 08:29:29 +0000 (08:29 +0000)]
amplt ests, phase plots fixed, spread spectrum, Es/No=5dB possible with 576*4 symbol block sizes
git-svn-id: https://svn.code.sf.net/p/freetel/code@1886
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drowe67 [Mon, 13 Oct 2014 04:56:26 +0000 (04:56 +0000)]
coherent pilot assisted demod working ok
git-svn-id: https://svn.code.sf.net/p/freetel/code@1885
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drowe67 [Sat, 11 Oct 2014 19:32:03 +0000 (19:32 +0000)]
rate 0.5 ldpc working well, now to add pilots
git-svn-id: https://svn.code.sf.net/p/freetel/code@1884
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drowe67 [Sat, 11 Oct 2014 06:32:58 +0000 (06:32 +0000)]
framing working, next step add ldpc routines
git-svn-id: https://svn.code.sf.net/p/freetel/code@1883
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drowe67 [Sat, 11 Oct 2014 04:20:38 +0000 (04:20 +0000)]
combing pilot symbol assisted PSK with DSS, reasonable results
git-svn-id: https://svn.code.sf.net/p/freetel/code@1882
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drowe67 [Thu, 9 Oct 2014 00:59:59 +0000 (00:59 +0000)]
pilot symbol based coherent QPSK, reas results on fading channels, time to combine with DSSS and see if we have anything useful
git-svn-id: https://svn.code.sf.net/p/freetel/code@1881
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rickb44 [Tue, 7 Oct 2014 17:37:58 +0000 (17:37 +0000)]
Update 490 OHM -> 470 OHM
Print both pages of schematics to PDF. RGB 10/07/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1880
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drowe67 [Tue, 7 Oct 2014 09:50:04 +0000 (09:50 +0000)]
maximum likelihood dqpsk, works well for AWGN, not so good for HF
git-svn-id: https://svn.code.sf.net/p/freetel/code@1879
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drowe67 [Tue, 7 Oct 2014 02:40:25 +0000 (02:40 +0000)]
simulation of FEC applied to 450 bit/s codec. Estimate of correctable errors with a good code makes it useful to about 0 dB, but more work to be done, e.g. test with a real code, interleaving
git-svn-id: https://svn.code.sf.net/p/freetel/code@1878
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rickb44 [Mon, 6 Oct 2014 17:40:00 +0000 (17:40 +0000)]
Generate BOM .csv & .xls RGB 10/06/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1877
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drowe67 [Sun, 5 Oct 2014 21:57:52 +0000 (21:57 +0000)]
simulation to test spreading in time and frequency
git-svn-id: https://svn.code.sf.net/p/freetel/code@1876
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rickb44 [Sat, 4 Oct 2014 15:00:59 +0000 (15:00 +0000)]
Updateds per DRowe & Rbarnich RGB 10/04/14
Schematic & PCB 10/04/14 10:56AM
git-svn-id: https://svn.code.sf.net/p/freetel/code@1875
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drowe67 [Fri, 3 Oct 2014 21:28:00 +0000 (21:28 +0000)]
change log edits after feedback from Michael
git-svn-id: https://svn.code.sf.net/p/freetel/code@1874
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drowe67 [Fri, 3 Oct 2014 08:13:28 +0000 (08:13 +0000)]
fixed bug due to cpu load mod reduction mods
git-svn-id: https://svn.code.sf.net/p/freetel/code@1873
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drowe67 [Fri, 3 Oct 2014 03:24:59 +0000 (03:24 +0000)]
support for odd numbers of carriers to support 450 bit/s and Nc=5
git-svn-id: https://svn.code.sf.net/p/freetel/code@1872
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drowe67 [Fri, 3 Oct 2014 03:24:17 +0000 (03:24 +0000)]
support for ext_ptt, compiles OKbut not tested
git-svn-id: https://svn.code.sf.net/p/freetel/code@1871
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rickb44 [Fri, 3 Oct 2014 01:19:38 +0000 (01:19 +0000)]
Include latest schematic(work in progress) RGB 10/02/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1870
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rickb44 [Fri, 3 Oct 2014 00:36:49 +0000 (00:36 +0000)]
Updates to schematic, PCB & Change-Log. RGB 10/02/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1869
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drowe67 [Wed, 1 Oct 2014 06:55:54 +0000 (06:55 +0000)]
experimental 450 bit/s mode
git-svn-id: https://svn.code.sf.net/p/freetel/code@1868
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drowe67 [Mon, 29 Sep 2014 21:57:04 +0000 (21:57 +0000)]
addressed L3 issue raised by Glen
git-svn-id: https://svn.code.sf.net/p/freetel/code@1867
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drowe67 [Mon, 29 Sep 2014 05:21:11 +0000 (05:21 +0000)]
closed off some production questions
git-svn-id: https://svn.code.sf.net/p/freetel/code@1866
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drowe67 [Mon, 29 Sep 2014 05:06:59 +0000 (05:06 +0000)]
added risk list and 480 ohm switch series resistors
git-svn-id: https://svn.code.sf.net/p/freetel/code@1865
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hobbes1069 [Sun, 28 Sep 2014 20:02:20 +0000 (20:02 +0000)]
Update cmake config and fix Windows NSIS packager to find depdendencies automatically.
git-svn-id: https://svn.code.sf.net/p/freetel/code@1864
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drowe67 [Sat, 27 Sep 2014 21:21:02 +0000 (21:21 +0000)]
added measure dc power plug diameters
git-svn-id: https://svn.code.sf.net/p/freetel/code@1863
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rickb44 [Sat, 27 Sep 2014 20:58:56 +0000 (20:58 +0000)]
Update changes to Schematic, etc. RGB 09/27/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1862
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rickb44 [Sat, 27 Sep 2014 16:32:30 +0000 (16:32 +0000)]
Update CHange-Log.txt
git-svn-id: https://svn.code.sf.net/p/freetel/code@1861
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rickb44 [Sat, 27 Sep 2014 16:11:59 +0000 (16:11 +0000)]
Update file & add DIM PDFs RGB 09/27/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1860
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drowe67 [Sat, 27 Sep 2014 09:55:50 +0000 (09:55 +0000)]
spacing of 3.5mm connectors
git-svn-id: https://svn.code.sf.net/p/freetel/code@1859
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drowe67 [Sat, 27 Sep 2014 03:03:11 +0000 (03:03 +0000)]
switch debouncing and sine wave test mode
git-svn-id: https://svn.code.sf.net/p/freetel/code@1858
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drowe67 [Fri, 26 Sep 2014 21:23:20 +0000 (21:23 +0000)]
added some more layout notes and BOM shcklist
git-svn-id: https://svn.code.sf.net/p/freetel/code@1857
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rickb44 [Fri, 26 Sep 2014 18:37:11 +0000 (18:37 +0000)]
Update changes to SM1000-C schematic RGB 09/26/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1856
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drowe67 [Thu, 25 Sep 2014 20:48:27 +0000 (20:48 +0000)]
added some PCB layout notes
git-svn-id: https://svn.code.sf.net/p/freetel/code@1855
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drowe67 [Thu, 25 Sep 2014 09:17:48 +0000 (09:17 +0000)]
added components to debug noise on analog tx between two SSB radios
git-svn-id: https://svn.code.sf.net/p/freetel/code@1854
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rickb44 [Thu, 25 Sep 2014 00:41:54 +0000 (00:41 +0000)]
Add both pages of schematic RGB 09/24/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1853
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drowe67 [Wed, 24 Sep 2014 21:08:59 +0000 (21:08 +0000)]
added note about U3 overheating
git-svn-id: https://svn.code.sf.net/p/freetel/code@1852
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rickb44 [Wed, 24 Sep 2014 19:07:51 +0000 (19:07 +0000)]
Schematic & PCB changes RGB 09/24/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1851
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rickb44 [Wed, 24 Sep 2014 15:02:44 +0000 (15:02 +0000)]
Update Eagle Files RGB 9/24/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1850
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drowe67 [Mon, 22 Sep 2014 06:25:38 +0000 (06:25 +0000)]
added some questions after tetsing PTT on a FT-817
git-svn-id: https://svn.code.sf.net/p/freetel/code@1849
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drowe67 [Mon, 22 Sep 2014 06:25:15 +0000 (06:25 +0000)]
PTT control working on a FT-817
git-svn-id: https://svn.code.sf.net/p/freetel/code@1848
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drowe67 [Sun, 21 Sep 2014 22:35:07 +0000 (22:35 +0000)]
renamed directories to sort out nomenclature
git-svn-id: https://svn.code.sf.net/p/freetel/code@1847
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drowe67 [Sun, 21 Sep 2014 08:41:56 +0000 (08:41 +0000)]
added change log entries for U8 bypass and ADC1 & 2 series resistors to remove static clicks
git-svn-id: https://svn.code.sf.net/p/freetel/code@1846
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rickb44 [Fri, 19 Sep 2014 13:05:53 +0000 (13:05 +0000)]
Update file eagle.epf RGB 09/19/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1845
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drowe67 [Thu, 18 Sep 2014 20:37:14 +0000 (20:37 +0000)]
adc spike caps
git-svn-id: https://svn.code.sf.net/p/freetel/code@1844
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drowe67 [Tue, 16 Sep 2014 07:56:52 +0000 (07:56 +0000)]
fixed low level 256Hz tone bug, was init issue in DAC, thanks Rick and Michael and Matt for support and suggestions
git-svn-id: https://svn.code.sf.net/p/freetel/code@1843
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rickb44 [Mon, 15 Sep 2014 19:17:20 +0000 (19:17 +0000)]
Update schematic to current time stamp RGB 09/15/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1842
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rickb44 [Mon, 15 Sep 2014 19:12:32 +0000 (19:12 +0000)]
Changes to PCB & Schematic. Added ststus line to each Change-Log-C item to reflect current status.
RGB 09/15/14
git-svn-id: https://svn.code.sf.net/p/freetel/code@1841
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drowe67 [Thu, 11 Sep 2014 22:42:21 +0000 (22:42 +0000)]
added stereo socket and enclosure suggestions
git-svn-id: https://svn.code.sf.net/p/freetel/code@1840
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rickb44 [Thu, 11 Sep 2014 19:35:34 +0000 (19:35 +0000)]
Update Change-Log-C.txt #53 & #55 RGB 09/11/2014
git-svn-id: https://svn.code.sf.net/p/freetel/code@1839
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drowe67 [Thu, 11 Sep 2014 07:44:34 +0000 (07:44 +0000)]
resolved conflict by renumbering
git-svn-id: https://svn.code.sf.net/p/freetel/code@1838
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rickb44 [Wed, 10 Sep 2014 20:20:26 +0000 (20:20 +0000)]
Update SNN with Change-Log-C.txt changes. RGB 09/10/2014
git-svn-id: https://svn.code.sf.net/p/freetel/code@1837
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drowe67 [Tue, 9 Sep 2014 05:34:59 +0000 (05:34 +0000)]
test program to run rx for a while then dump scatter diagram data for plotting. Good results, 23-26dB SNR, nice tight scatter diagram
git-svn-id: https://svn.code.sf.net/p/freetel/code@1836
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drowe67 [Tue, 9 Sep 2014 02:12:00 +0000 (02:12 +0000)]
moved ring of death ISRs to leds and swicthes driver
git-svn-id: https://svn.code.sf.net/p/freetel/code@1835
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drowe67 [Tue, 9 Sep 2014 02:11:09 +0000 (02:11 +0000)]
code to trap and fix buffer overflow issue in USB code that was killing other variables in the sm1000
git-svn-id: https://svn.code.sf.net/p/freetel/code@1834
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drowe67 [Tue, 9 Sep 2014 02:10:08 +0000 (02:10 +0000)]
added ring of death to trap and signal nasty errors, asserts, as an aid to debugging failure
git-svn-id: https://svn.code.sf.net/p/freetel/code@1833
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rickb44 [Mon, 8 Sep 2014 16:03:26 +0000 (16:03 +0000)]
Update to reflect review of Change-Log-C.txt RGB 09/08/2014
git-svn-id: https://svn.code.sf.net/p/freetel/code@1832
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drowe67 [Sun, 7 Sep 2014 20:32:28 +0000 (20:32 +0000)]
unchecked 4 pending review of DC connectors
git-svn-id: https://svn.code.sf.net/p/freetel/code@1831
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rickb44 [Sun, 7 Sep 2014 00:59:34 +0000 (00:59 +0000)]
Verifying Change-Log-C items 1-15 RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1830
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rickb44 [Fri, 5 Sep 2014 18:04:12 +0000 (18:04 +0000)]
Update per Change-Log-C.txt RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1829
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drowe67 [Thu, 4 Sep 2014 21:08:33 +0000 (21:08 +0000)]
prototype assembly guide images, thanks Michael
git-svn-id: https://svn.code.sf.net/p/freetel/code@1828
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hobbes1069 [Thu, 4 Sep 2014 20:57:24 +0000 (20:57 +0000)]
Update install configuration and export the codec2 cmake target.
git-svn-id: https://svn.code.sf.net/p/freetel/code@1827
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rickb44 [Thu, 4 Sep 2014 14:50:03 +0000 (14:50 +0000)]
Updated Change-Log.txt format RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1826
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rickb44 [Thu, 4 Sep 2014 13:17:47 +0000 (13:17 +0000)]
Updated Folder name, Subfolder names and filenames to reflect Rev C status. RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1825
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drowe67 [Thu, 4 Sep 2014 06:26:36 +0000 (06:26 +0000)]
moved USB VCP into a module
git-svn-id: https://svn.code.sf.net/p/freetel/code@1824
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drowe67 [Sun, 31 Aug 2014 05:08:35 +0000 (05:08 +0000)]
UT to measure rms noise on ADC ports
git-svn-id: https://svn.code.sf.net/p/freetel/code@1823
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drowe67 [Sun, 31 Aug 2014 05:06:48 +0000 (05:06 +0000)]
USB virtual com port demo, works OK on SM1000
git-svn-id: https://svn.code.sf.net/p/freetel/code@1822
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drowe67 [Sun, 31 Aug 2014 04:05:57 +0000 (04:05 +0000)]
PTT main loop working
git-svn-id: https://svn.code.sf.net/p/freetel/code@1821
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drowe67 [Fri, 29 Aug 2014 04:50:40 +0000 (04:50 +0000)]
switches and leds driver working
git-svn-id: https://svn.code.sf.net/p/freetel/code@1820
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drowe67 [Thu, 28 Aug 2014 06:30:46 +0000 (06:30 +0000)]
baseline uncoded inerleaving simulation, before we add spreading function
git-svn-id: https://svn.code.sf.net/p/freetel/code@1819
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drowe67 [Wed, 27 Aug 2014 09:23:27 +0000 (09:23 +0000)]
more change log notes as I build #2
git-svn-id: https://svn.code.sf.net/p/freetel/code@1818
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drowe67 [Sat, 23 Aug 2014 09:41:39 +0000 (09:41 +0000)]
dual channel ADC driver working
git-svn-id: https://svn.code.sf.net/p/freetel/code@1817
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drowe67 [Fri, 22 Aug 2014 05:19:03 +0000 (05:19 +0000)]
added a few more change log notes
git-svn-id: https://svn.code.sf.net/p/freetel/code@1816
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drowe67 [Fri, 22 Aug 2014 03:02:54 +0000 (03:02 +0000)]
removed redundant code (thanks Graham) and doco change
git-svn-id: https://svn.code.sf.net/p/freetel/code@1815
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drowe67 [Thu, 21 Aug 2014 20:48:38 +0000 (20:48 +0000)]
added some scaling information to freedvapi tx & rx functions
git-svn-id: https://svn.code.sf.net/p/freetel/code@1814
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drowe67 [Thu, 21 Aug 2014 03:26:55 +0000 (03:26 +0000)]
FreeDV tx & rx working in real time. Yayyyyyyyyy
git-svn-id: https://svn.code.sf.net/p/freetel/code@1813
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drowe67 [Thu, 21 Aug 2014 02:55:38 +0000 (02:55 +0000)]
optimisation of 8-16kHz funcs
git-svn-id: https://svn.code.sf.net/p/freetel/code@1812
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drowe67 [Thu, 21 Aug 2014 01:45:36 +0000 (01:45 +0000)]
added ve9qrp.raw
git-svn-id: https://svn.code.sf.net/p/freetel/code@1811
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drowe67 [Tue, 19 Aug 2014 10:24:55 +0000 (10:24 +0000)]
made both args shorts for 8-16 kHz sample rate conversion
git-svn-id: https://svn.code.sf.net/p/freetel/code@1810
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drowe67 [Tue, 19 Aug 2014 09:57:41 +0000 (09:57 +0000)]
added -8-16 kHz sample rate conversion with shorts used for 16 kHz side
git-svn-id: https://svn.code.sf.net/p/freetel/code@1809
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drowe67 [Tue, 19 Aug 2014 01:52:52 +0000 (01:52 +0000)]
reduced Aw[] array size in codec2_decode routines for each mode, sounds OK for each mode
git-svn-id: https://svn.code.sf.net/p/freetel/code@1808
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drowe67 [Sat, 16 Aug 2014 22:42:17 +0000 (22:42 +0000)]
changed cmake to Debug build so asserts() work again
git-svn-id: https://svn.code.sf.net/p/freetel/code@1807
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drowe67 [Sat, 16 Aug 2014 22:31:22 +0000 (22:31 +0000)]
Codec 2 optimised so that one less FFT is rqd, fdmdv C and Octave optimised so freq est ffts are only performed when reqd. Codec 2 working OK, tfddmdv modem tests pass
git-svn-id: https://svn.code.sf.net/p/freetel/code@1806
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drowe67 [Sat, 16 Aug 2014 05:56:07 +0000 (05:56 +0000)]
removed one FFT in post filter, as it was redundant
git-svn-id: https://svn.code.sf.net/p/freetel/code@1805
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hobbes1069 [Fri, 15 Aug 2014 18:02:57 +0000 (18:02 +0000)]
Tweaks for win32/mingw building. Need to compare to codec2-dev and propagate changes there.
git-svn-id: https://svn.code.sf.net/p/freetel/code@1804
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drowe67 [Fri, 15 Aug 2014 01:47:06 +0000 (01:47 +0000)]
freedv tx and rx unittests both running on SM1000 with file I/O. rx speed borderline
git-svn-id: https://svn.code.sf.net/p/freetel/code@1803
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drowe67 [Fri, 15 Aug 2014 01:45:41 +0000 (01:45 +0000)]
moved to precomputed golay tables to save RAM on SM1000, correct init of nin in freedv_api
git-svn-id: https://svn.code.sf.net/p/freetel/code@1802
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rickb44 [Thu, 14 Aug 2014 21:22:59 +0000 (21:22 +0000)]
Implemented Davids changes(21, 22 & 23) to schematic. Parts are in PCB, but not placed. RGB
Updated Change Log RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1801
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drowe67 [Wed, 13 Aug 2014 22:07:09 +0000 (22:07 +0000)]
combined tx filter and up conversion to remove abou 30k of stack in tx_mod. tests out OK with tfdmdv
git-svn-id: https://svn.code.sf.net/p/freetel/code@1800
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drowe67 [Wed, 13 Aug 2014 21:11:33 +0000 (21:11 +0000)]
cleaned up a little and added a README
git-svn-id: https://svn.code.sf.net/p/freetel/code@1799
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drowe67 [Wed, 13 Aug 2014 20:42:41 +0000 (20:42 +0000)]
some new entries to change log
git-svn-id: https://svn.code.sf.net/p/freetel/code@1798
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rickb44 [Wed, 13 Aug 2014 13:32:29 +0000 (13:32 +0000)]
Got rid of Eagle backup files RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@1797
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drowe67 [Wed, 13 Aug 2014 09:27:09 +0000 (09:27 +0000)]
part way through changes to make fdmdv_mod use less stack, tfdmdv works
git-svn-id: https://svn.code.sf.net/p/freetel/code@1796
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drowe67 [Wed, 13 Aug 2014 08:41:01 +0000 (08:41 +0000)]
renamed the profiling/machdep functions
git-svn-id: https://svn.code.sf.net/p/freetel/code@1795
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