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Author SHA1 Message Date
Geoffrey Merck 7befef2f4a Avoid looping samples 2 times, convert each sample on the fly 2020-04-21 18:41:27 +02:00
Geoffrey Merck b2dcbb2df8 Merge remote-tracking branch 'upstream/FM' into FM 2020-04-21 07:03:35 +02:00
Jonathan Naylor 0a51b4c34e Store FM output in a ring buffer. 2020-04-20 21:57:21 +01:00
Geoffrey Merck 3b653dca6a Merge remote-tracking branch 'upstream/FM' into FM 2020-04-20 20:49:58 +02:00
Jonathan Naylor 046a1de51a Reduce the size of the main FM filter. 2020-04-20 13:54:11 +01:00
Jonathan Naylor ae58f8eb64 Don't square the threshold value. 2020-04-20 13:28:07 +01:00
Geoffrey Merck e4c351d5d0 delete old BS 2020-04-20 07:46:03 +02:00
Geoffrey Merck 0b0a59497f Merge branch 'FM' of https://github.com/F4FXL/MMDVM into FM 2020-04-20 07:43:07 +02:00
Geoffrey Merck 939b019592 delete old BS 2020-04-20 07:42:39 +02:00
Geoffrey Merck 3d54519dbf add CTCSS decoder 2020-04-20 07:42:39 +02:00
Geoffrey Merck 94f566aacc Add Goertzel 2020-04-20 07:42:39 +02:00
Geoffrey Merck a765e863c0 delete old BS 2020-04-20 07:42:39 +02:00
Geoffrey Merck 9e552ba1ab add CTCSS decoder 2020-04-20 07:39:19 +02:00
Geoffrey Merck b03fead62d Add Goertzel 2020-04-20 07:39:19 +02:00
Geoffrey Merck 2825c25607 Merge remote-tracking branch 'upstream/FM' into FM 2020-04-20 07:23:59 +02:00
Jonathan Naylor 5ed8eeda6f Allow kerchunk audio to pass through. 2020-04-19 21:40:51 +01:00
Jonathan Naylor 1aef1a39f2 Revert the CTCSS decoder to floats. 2020-04-19 21:21:10 +01:00
Jonathan Naylor a310bf0547 Adjust the coefficients again. 2020-04-19 19:46:44 +01:00
Geoffrey Merck 116b51bd8d delete old BS 2020-04-19 20:45:14 +02:00
Geoffrey Merck c05e7bf873 Merge branch 'FM' of https://github.com/F4FXL/MMDVM into FM 2020-04-19 20:44:18 +02:00
Geoffrey Merck c14ae56e2d delete old BS 2020-04-19 20:43:50 +02:00
Geoffrey Merck 32a71bfbf6 Use long based algorithm 2020-04-19 20:42:57 +02:00
Geoffrey Merck 7435074c0f add CTCSS decoder 2020-04-19 19:34:47 +02:00
Geoffrey Merck ec202d7fb9 Add Goertzel 2020-04-19 19:34:47 +02:00
Jonathan Naylor 6575cba982 Rescale the coefficient. 2020-04-19 17:59:04 +01:00
Jonathan Naylor a17bd9cc1d Don't scale up the sample values. 2020-04-19 17:37:24 +01:00
Jonathan Naylor f7e5c2436c Convert the Goertzel algorithm to Q15 and Q31. 2020-04-19 16:52:11 +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 6d5b864cba Start the Goertzel development. 2020-04-18 16:07:52 +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 61ccd79c5f Set up the FM mode pins, partially. 2020-04-18 14:31:21 +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 4a85122483 CTCSS tones are added to the audio, not replacing it. 2020-04-17 14:11:42 +01:00
Jonathan Naylor bc889f3d26 Handle some extra edge cases. 2020-04-17 13:11:21 +01:00
Jonathan Naylor 95e76f387c Complete the CW keyer. 2020-04-16 21:15:15 +01:00
Jonathan Naylor 4a5f985d02 More efficient CTCSS tone generation. 2020-04-16 14:27:33 +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 c103ac91b3 Add the CTCSS tone generator. 2020-04-15 19:49:26 +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
Geoffrey Merck bcd43006ac Merge branch 'FM' of https://github.com/F4FXL/MMDVM into FM 2020-04-14 13:33:59 +02:00
Geoffrey Merck cf616caef9 add CTCSS decoder 2020-04-14 13:33:35 +02:00
Geoffrey Merck 7ab6e51c2c Add Goertzel 2020-04-14 13:33:35 +02:00