20 Commits

Author	SHA1	Message	Date
Jonathan Naylor	81518bf74c	Make AX.25, DMR, P25, NXDN and FM selectable at compile time.	2020-11-08 22:23:27 +00:00
Jonathan Naylor	2a001f491d	Simplify the CTCSS and Noise Squelch decoders and logic.	2020-07-31 09:20:55 +01:00
Jonathan Naylor	435544f7a1	Add CTCSS hysteresis.	2020-05-12 13:55:30 +01:00
Geoffrey Merck	77e0deee76	Make whole FM chain RX level independant	2020-05-08 09:01:00 +02:00
Jonathan Naylor	edddbedd4b	Fix compilation issues.	2020-05-02 15:46:36 +01:00
Jonathan Naylor	baa4f7aa4c	Last minute tidy-ups.	2020-05-02 14:47:43 +01:00
Geoffrey Merck	0a5c496a3a	Fix CTCSS value is different when using RXLevel 50 to 99	2020-05-01 17:56:45 +02:00
Jonathan Naylor	e8ed77241c	Simplify the calculations.	2020-04-27 12:05:55 +01:00
Geoffrey Merck	4ffaa62855	Move division to CTCSSRX, change sample unscaling to 1/rxLevel	2020-04-27 11:16:06 +02:00
Geoffrey Merck	6824d5662a	Remove dependency to IO in CTCSSRX	2020-04-26 12:24:05 +02:00
Jonathan Naylor	bf5ad25609	A working fixed point Goertzel based on simulations.	2020-04-23 12:36:34 +01:00
Jonathan Naylor	526a53cd8c	Use fixed point for the Goertzel algorithm.	2020-04-22 17:40:01 +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	1aef1a39f2	Revert the CTCSS decoder to floats.	2020-04-19 21:21:10 +01:00
Jonathan Naylor	6575cba982	Rescale the coefficient.	2020-04-19 17:59:04 +01:00
Jonathan Naylor	f7e5c2436c	Convert the Goertzel algorithm to Q15 and Q31.	2020-04-19 16:52:11 +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	c55002534e	Rename the Goertzel class to CTCSSRX.	2020-04-18 13:55:34 +01:00