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154 commits

Author SHA1 Message Date
Jonathan Naylor b2f33fd4d2 Bump the version date. 2020-04-29 21:51:12 +01:00
Jonathan Naylor 200199c5d4 Reduce the CPU load slightly. 2020-04-29 20:59:48 +01:00
Geoffrey Merck b23620ede3 Add de and pre emphasis 2020-04-29 20:42:20 +02:00
Geoffrey Merck 626a280d27 Add filter chrachertitics comment 2020-04-29 18:24:15 +02:00
Geoffrey Merck 4b267c2e1e Move downsampling tap point 2020-04-28 22:35:06 +02:00
Geoffrey Merck cf18f95a92 Add Downsampling 2020-04-28 21:37:06 +02:00
Jonathan Naylor dac0f26e5d Rename RXBoost to RFAudioBoost. 2020-04-28 14:43:40 +01:00
Jonathan Naylor e8ed77241c Simplify the calculations. 2020-04-27 12:05:55 +01:00
Geoffrey Merck 93a8e63233 Remove m_rxLevel 2020-04-27 11:26:19 +02:00
Geoffrey Merck 4ffaa62855 Move division to CTCSSRX, change sample unscaling to 1/rxLevel 2020-04-27 11:16:06 +02:00
Jonathan Naylor f9530ee82a Pass the RX level to the FM controller. 2020-04-26 22:01:11 +01:00
Geoffrey Merck 6824d5662a Remove dependency to IO in CTCSSRX 2020-04-26 12:24:05 +02:00
Jonathan Naylor b963b2b848 Add optional over deviation blanking. 2020-04-25 22:32:10 +01:00
Jonathan Naylor 4fe1c11250 Remove memory leak and other configuration funnies. 2020-04-25 17:29:10 +01:00
Jonathan Naylor 6ac6deba10 Add two more FM parameters. 2020-04-25 15:17:11 +01:00
Jonathan Naylor 33f88344c3 Run the holdoff timer permamnently. 2020-04-24 12:15:58 +01:00
Geoffrey Merck 2057ef5206 clean up 2020-04-24 09:40:06 +02:00
Geoffrey Merck 5c2659deaa Add FM filtering 2020-04-24 09:40:06 +02:00
Geoffrey Merck 4f9d5a8c70 3rd order IIR 2020-04-24 09:40:06 +02:00
Geoffrey Merck 8ecd8b67f4 Using 2 stage IIR filter 2020-04-24 09:40:06 +02:00
Jonathan Naylor f19009b132 Allow for two levels of the callsign. 2020-04-22 22:10:34 +01:00
Jonathan Naylor 57730d7f81 Implement an efficient FIR filter. 2020-04-22 14:37:23 +01:00
Jonathan Naylor f936bc6fe8 Use a shorter filter. 2020-04-22 14:15:07 +01:00
Jonathan Naylor 3f1f1d1586 Small tidy-ups. 2020-04-22 14:08:34 +01:00
Geoffrey Merck 63847ebe62 One loop to rule them all ! 
Change CFM::Samples and CFMCTCSSRX::process to be able to process all
stuff in one and only loop.
 2020-04-22 11:04:27 +02:00
Jonathan Naylor 03f5056236 Small code cleanups. 2020-04-21 22:30:28 +01:00
Geoffrey Merck 1b0229ca6c Attemp to do filtering 2020-04-21 23:03:30 +02:00
Geoffrey Merck ae6cbcd9e7 Minor clean up 2020-04-21 22:43:59 +02:00
Geoffrey Merck 1c599138ad GetAudio do not take any arguments 2020-04-21 22:00:11 +02:00
Geoffrey Merck 9170c398be Reenable CTCSS 2020-04-21 21:36:30 +02:00
Geoffrey Merck 04fd9838b5 Fix state machine wrong kerchunk 2020-04-21 21:00:09 +02:00
Geoffrey Merck 8d340cbfba (almost) One loop to rule all the samples 
Avoid looping over and over the samples. One
 2020-04-21 20:38:02 +02:00
Geoffrey Merck 87c3b57ae4 Stripping ut stuff, testing 2020-04-21 18:45:11 +02:00
Jonathan Naylor 0a51b4c34e Store FM output in a ring buffer. 2020-04-20 21:57:21 +01:00
Jonathan Naylor 046a1de51a Reduce the size of the main FM filter. 2020-04-20 13:54:11 +01:00
Jonathan Naylor 5ed8eeda6f Allow kerchunk audio to pass through. 2020-04-19 21:40:51 +01:00
Jonathan Naylor 85816d5bec Re-add COS. 2020-04-18 16:59:25 +01:00
Jonathan Naylor ebdba2bdb9 Convert to using floats. 2020-04-18 16:48:30 +01:00
Jonathan Naylor c8a450b00d Ensure all timers are stopped when we leave FM mode. 2020-04-18 15:51:49 +01:00
Jonathan Naylor c55002534e Rename the Goertzel class to CTCSSRX. 2020-04-18 13:55:34 +01:00
Jonathan Naylor 8ca756ec22 Simplify the FM arguments. 2020-04-18 13:47:41 +01:00
Jonathan Naylor d1c106b3b8 Add state machine debugging messages. 2020-04-17 18:53:28 +01:00
Jonathan Naylor 564260b2f1 Add the main audio filter. 2020-04-17 18:45:42 +01:00
Jonathan Naylor bc889f3d26 Handle some extra edge cases. 2020-04-17 13:11:21 +01:00
Jonathan Naylor bbe56f5082 Return configuration errors. 2020-04-16 14:00:31 +01:00
Jonathan Naylor 4b0c3d88f3 More work on the keyer. 2020-04-15 22:41:30 +01:00
Jonathan Naylor ebd87584da Add the timeout tones. 2020-04-15 18:38:39 +01:00
Jonathan Naylor a9a985182f Add the timer class functionality. 2020-04-15 17:18:01 +01:00
Jonathan Naylor db6fde90e0 Add the intial state machine. 2020-04-15 16:31:49 +01:00
Jonathan Naylor 74228c506e Add stubs for FM classes. 2020-04-15 15:24:01 +01:00
Jonathan Naylor 7a549e96ba Handle the net ack parameter. 2020-04-14 12:23:26 +01:00
Jonathan Naylor c84d81d91c Add the minimum time for a 'K' parameter. 2020-04-13 15:54:37 +01:00
Jonathan Naylor ef65268b45 First version of initialisation. 2020-04-12 15:28:56 +01:00
Jonathan Naylor 9d725b9479 Beginnings of FM controller support. 2020-04-11 22:08:17 +01:00