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MMDVM
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33 Commits

Author SHA1 Message Date
Jonathan Naylor b155597693 Merge branch 'master' into M17_AX25_FM 2020-12-14 09:53:38 +00:00
Jonathan Naylor 9440b43114 Simplify the D-Star fast data support. 2020-12-14 09:45:53 +00:00
Tim Stewart 657e71238d Detect full 48 bits of last data frame in a transmission 
While testing new support for DV Fast Data, I ran across a particular
image that reliably generated a bit sequence that the MDMVM firmware
interpreted as an end-of-transmission.  I dug a bit and discovered
that MMDVM only matches on 32 bits of the last data frame instead of
the full 48 bits.

See http://www.arrl.org/files/file/D-STAR.pdf section 2.1.2, item (6)
for details.
 2020-12-05 13:37:06 -05:00
Jonathan Naylor 31744a237a Use the D-Star correlator receiver. 2020-11-09 11:50:02 +00:00
Jonathan Naylor dd5a465a39 Make D-Star, System Fusion, M17, and POCSAG optional. 2020-11-08 21:28:26 +00:00
Andy CA6JAU d99e21f0f9 Reducing the bit error number for the EOT sequence (D-Star) 2018-01-10 20:04:29 -03:00
Jonathan Naylor f4637585f6 Re-add the const qualifiers. 2017-08-18 10:57:47 +01:00
Jonathan Naylor 74682e7ac0 Optimise the DC offset code. 2017-08-18 10:27:23 +01:00
Jonathan Naylor 04ca97e5f8 Add enhancements suggested by IZ1MLT. 2017-08-13 18:51:09 +01:00
Jonathan Naylor 669acb99e8 Remove the DC blocker from DMR. 2017-07-31 21:54:26 +01:00
Jonathan Naylor 8540964097 Remove any DC offset from before any further filtering takes place. 2017-07-16 18:57:15 +01:00
Jonathan Naylor 9d1ebc0f8f Small refactor. 2017-07-10 19:41:01 +01:00
Andy CA6JAU f8d767913e Adding DC estimator filter for all modes 2017-07-06 00:51:46 -04:00
Jonathan Naylor 9386fb2e11 Make modem debugging a run-time parameter, not compile-time. 2017-04-14 14:19:00 +01:00
Andy CA6JAU 27b3773f00 Update the copyright message 2017-04-12 23:00:54 -03:00
Andy CA6JAU 5d1a54eee5 Improving DC filter for D-Star 2017-04-10 00:30:45 -03:00
Jonathan Naylor 0f43670066 Small reformatting. 2017-04-09 20:00:00 +01:00
Andy CA6JAU ee3f2a0e6d Filter for DC level estimation for D-Star 2017-04-09 14:35:08 -03:00
Jonathan Naylor 3e937a71d9 Average the RSSI value for all modes. 2017-01-10 19:20:16 +00:00
Jonathan Naylor 57fde3afcc Add RSSI reporting for all modes. 2017-01-05 18:59:15 +00:00
Jonathan Naylor c7cfa5e1ab Remove unneeded RSSI code for all but DMR. 2016-09-27 20:04:27 +01:00
Jonathan Naylor cc1b39d21b Restore old frame sync error threshold. 2016-08-30 17:19:29 +01:00
Jonathan Naylor 5fbd7b4790 Allow for more errors on the D-Star frame sync. 2016-08-28 11:24:36 +01:00
Jonathan Naylor 90d00846ab Loosen the matching for the frame start sync pattern. 2016-08-25 22:36:32 +01:00
Jonathan Naylor 8c96a48b2b Change the sampling poistion and rate for the RSSI. 2016-08-08 21:43:00 +01:00
Jonathan Naylor eafc329cc9 Add an optional RSSI input. 2016-08-08 20:38:58 +01:00
Jonathan Naylor 8278415572 Improve the synchronisation. 2016-07-11 20:33:16 +01:00
Jonathan Naylor b8457aed4c Disassociate the ADC overload detection from the DCD LED. 2016-06-06 18:04:03 +01:00
Jonathan Naylor 428dcaa7d6 Revert the demodulator lock stiffening for D-Star and System Fusion. 2016-03-29 17:49:52 +01:00
Jonathan Naylor 96091c8424 Make the D-Star demodulator stiffer when locked. 2016-03-21 22:03:00 +00:00
Jonathan Naylor 037f60ea06 Set debugging on a per-file basis. 2016-03-14 20:24:51 +00:00
Jonathan Naylor 314b58912b Reduce the amount of logging information. 2016-03-08 21:11:22 +00:00
Jonathan Naylor dd17a47972 Initial commit 2016-01-14 18:57:21 +00:00