Commit Graph

253 Commits

Author SHA1 Message Date
f4exb 441c2c1817 Send number of samples to write in the writeData signal. Ask for half the buffer size when more than half of it is consumed 2016-12-21 02:24:49 +01:00
f4exb 1e881703e8 Added a NCO with floating point phase calculation before conversion to int for table indexing. This increases frequency precision and is mandatory for CTCSS tone generator 2016-12-19 02:41:31 +01:00
f4exb 014ada12ba CW smoother: set default ramp time to 4ms and set the modulators ramp time at the same value 2016-12-16 00:02:37 +01:00
f4exb 0a7e9261e2 CW transition smoother: use smootherstep function. See: https://en.wikipedia.org/wiki/Smoothstep 2016-12-14 23:23:58 +01:00
f4exb 98b9e20392 Make a dedicated CW transition smoothing class 2016-12-14 22:48:39 +01:00
f4exb a2089724cf SSB Modulator: Interim state (4) 2016-12-13 19:57:07 +01:00
f4exb e4e2eea9d5 CW Keyer: retain only text, dashes and dots 2016-12-11 21:52:53 +01:00
f4exb d3d6ebec89 CW Keyer with GUI. Sort of works 2016-12-11 11:35:25 +01:00
f4exb 2defcc7cec CW Keyer: test with AM modulator and fixes 2016-12-10 08:12:16 +01:00
f4exb d6c9b2f707 CW Keyer: compiles 2016-12-10 06:16:13 +01:00
f4exb 808a8c85fd CW Keyer: interim state (2) 2016-12-09 19:34:38 +01:00
f4exb 35baa46f3d CW Keyer: interim state (1) 2016-12-09 01:35:49 +01:00
f4exb 317836ac92 NFM demod: channel power calculation and squelch corrections 2016-12-05 03:46:42 +01:00
f4exb c5f1acdcf1 AM Modulator: audio input (mic) basic support 2016-11-29 01:09:06 +01:00
f4exb 2d0ee4bf76 SDRplay plugin: adjust documentation. Corrections and re-organization of the main readme.md file 2016-11-21 18:07:58 +01:00
f4exb ee947f54e9 Corrected clang warnings 2016-11-21 18:01:55 +01:00
f4exb 85807ffadb SDRPlay plugin: now working with open source libmirisdr 2016-11-16 02:38:21 +01:00
f4exb 863522d9ff SDRPlay support: source plugin interim state (1) compiles 2016-11-13 02:59:31 +01:00
f4exb ae5070ebb3 Removed useless flavour of even/odd FIR halfband filter 2016-11-11 10:21:54 +01:00
f4exb efbce97a2f Improve int halfband filter even/odd I/Q stride variant 2016-11-10 02:56:49 +01:00
f4exb c91725fe01 Push decimators halfband filter order to 64 2016-11-09 04:03:12 +01:00
f4exb 0a6dc5db37 IntHalfband filters: tuned optimizations and chose the best for x86_64 2016-11-09 03:27:30 +01:00
f4exb d2c6791eea Use IntHalfbandFilterST in decimators 2016-11-08 17:30:10 +01:00
f4exb 2504d199fd IntHalfbandFilterST: implemented intrinsics class 2016-11-08 17:29:46 +01:00
f4exb 995fd04543 Removed useless include 2016-11-08 17:28:03 +01:00
f4exb bfe24df76e Added new halfband FIR filter with even/odd and I/Q stride 2016-11-08 02:02:29 +01:00
f4exb 3505e1b095 Allow SSE 4.1 optimization on the down channelizer 2016-11-07 18:51:32 +01:00
f4exb 8b52059ca4 IntHalfbandFilterEO1: fixed unused variables 2016-11-07 18:40:22 +01:00
f4exb fa5030eac4 IntHalfbandFilterEO1: simplification for SSE 4.1 only and fix 2016-11-07 18:23:59 +01:00
f4exb 7015fb97d2 Put intrinsics in their own templatized classes 2016-11-07 04:16:02 +01:00
f4exb 63d6eea066 Use more precise SIMD flags and detect actual x86_64 SIMD features 2016-11-07 00:42:57 +01:00
f4exb dbbbfa12ee Changed USE_SIMD flag to USE_SSE 2016-11-06 02:08:38 +01:00
f4exb af0a0896d4 IntHalfBandFilterEO2: fixed (x,y) method 2016-11-06 01:19:39 +01:00
f4exb bc3dfb19cd IntHalfBandFilterEO2: use dual forward and backward buffers to avoid byte shuffling in SIMD instructions. Implemented in the up channelizer 2016-11-06 01:07:13 +01:00
f4exb de8640caae IntHalfBandFilterEO1: rename size attribute 2016-11-06 00:23:08 +01:00
f4exb 3410d289d1 Use even/odd FIR filter based half band decimators for the device decimators 2016-11-05 21:52:13 +01:00
f4exb f2a50c0c0f Use even/odd FIR filter half band interpolator only if SIMD is available 2016-11-04 22:47:09 +01:00
f4exb 9f74c82715 IntHalfBand FIR filter SSE optimizations 2016-11-04 01:12:39 +01:00
f4exb 2f02d9dd69 IntHalgBandFilterDB: changed some attributes name 2016-11-03 00:30:55 +01:00
f4exb 942f897978 Use the double buffer FIR filter with the front end decimators 2016-11-02 09:15:32 +01:00
f4exb 86c148ab10 DownChannelizer: use more efficient double buffer half band decvimator 2016-11-01 17:57:46 +01:00
f4exb 5d5593bda7 Tx ph.2: put the double buffered FIR interpolator and decimator in its own class 2016-11-01 15:02:50 +01:00
f4exb ded1d3c298 Place the halfband filter traits in their own class 2016-11-01 11:55:16 +01:00
f4exb bd4d224166 Tx ph.2: IntHalfBandFilter: use double buffer technique for interpolation. Use it with the UpChannelizer and increase order to 96 for better spur rejection. Moreover it is still more CPU efficient 2016-11-01 05:54:25 +01:00
f4exb 3173bc0b07 Tx ph.2: Interpolator polyphase filter: add possibility to specify the number of taps per phase 2016-10-31 23:40:46 +01:00
f4exb 004cbcb060 Tx ph.2: UpChannelizer: use order 64 filter as longer orders do not improve image rejection 2016-10-31 00:33:20 +01:00
f4exb 06b2c4930e IntHalBandFilter: added order 96 2016-10-30 23:04:54 +01:00
f4exb f5bbbb7cab Tx ph.2: UpChannelizer: allow any sample rate 2016-10-30 22:01:20 +01:00
f4exb 91315913b4 Tx ph.2: change UpChannelizer filter chain from std::list to std::vector 2016-10-30 18:22:33 +01:00
f4exb 31add4919d IntHalfbandFilter: corrected shift left factor for the Samples version of the FIR 2016-10-30 12:50:06 +01:00