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0530cba018
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Allow changing frequency during TX
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2024-02-25 17:24:33 +01:00 |
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56c03727bc
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Add TX simulation
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2024-02-25 13:29:17 +01:00 |
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eb4a49249a
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Use different name for DMA TX channel
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2024-02-25 12:52:07 +01:00 |
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a2b38be6cf
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Replace constant gain with AGC
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2024-02-24 23:40:28 +01:00 |
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daea0dd8bf
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Slightly increase numerical precision
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2024-02-24 23:28:35 +01:00 |
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34c070ed42
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Fix max amplitude formula and DC bias removal
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2024-02-24 23:28:31 +01:00 |
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3f8b2846bd
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Improve BPSK with output polarity inversion
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2024-02-24 22:25:05 +01:00 |
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a228223799
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Use more sensible output scaling
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2024-02-24 21:08:53 +01:00 |
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44dfa7e043
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Add third LPF stage
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2024-02-24 21:08:40 +01:00 |
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813a23e699
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Introduce averaging before decimation
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2024-02-24 20:22:47 +01:00 |
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50b1947723
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Experiment with manual BPSK
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2024-02-24 11:09:03 +01:00 |
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7621d2d21a
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Restore DC bias removal with better precision
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2024-02-24 11:08:34 +01:00 |
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efca7bda55
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Limit bias slew rate
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2024-02-24 11:08:12 +01:00 |
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b09d442c5c
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Remove unnecessary debugging section
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2024-02-23 23:22:44 +01:00 |
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78b07b9c09
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Use 8 bit samples
After adjusting for the noise floor, we can use 8 bit samples for all
supported bandwidths.
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2024-02-23 23:22:08 +01:00 |
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d3e403df33
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Remove unneeded constants
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2024-02-23 20:30:02 +01:00 |
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29f726894f
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Decrease DC bias removal alpha
This requires use of int64_t, which is emulated.
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2024-02-23 11:31:06 +01:00 |
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f6e579919a
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Experiment with wider bandwidth
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2024-02-23 11:30:55 +01:00 |
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69beaab8e6
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Decrease sweep speed
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2024-02-23 11:19:39 +01:00 |
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e92587b522
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Remove DC bias
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2024-02-23 11:19:28 +01:00 |
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07c2ca1cae
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Fix I/Q order
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2024-02-23 11:18:30 +01:00 |
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0be9d6d2e7
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Go back to capacitor and fast bias
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2024-02-23 11:18:13 +01:00 |
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94ccab7246
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Experiment with different biasing arrangement
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2024-02-22 11:20:58 +01:00 |
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f8b316a340
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Use DMA-based full speed mixing
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2024-02-22 10:32:24 +01:00 |
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c7980567c0
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Optimize biasing
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2024-02-20 12:03:06 +01:00 |
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f22d77290f
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Rework for experimental SDR use
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2024-02-19 21:02:57 +01:00 |
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f31bef5303
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Those are dBm
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-02-01 00:52:53 +01:00 |
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911904d240
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Default to lower bitrate, higher SNR
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-28 16:26:28 +01:00 |
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6086d51274
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Make sweep step configurable
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-28 16:25:54 +01:00 |
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5df6824b3a
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Add sweep, noise and faster LO generator
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-28 13:14:30 +01:00 |
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549b80e20e
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Speed up HPF a little again
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 20:20:33 +01:00 |
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a89581446f
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Fix delta, stats print
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 20:01:39 +01:00 |
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b335dcdea6
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Enable higher bit depths
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 13:55:27 +01:00 |
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d19d4ebc87
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Optimize mixer using XOR
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 12:57:19 +01:00 |
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8ca3a3d2bf
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Improve and stabilize sampling delta
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 12:39:33 +01:00 |
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38b4bc8b7b
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Fix minor speed 1 imprecision
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 12:11:42 +01:00 |
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5dfc8cffbe
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Fix speed 2
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 11:58:13 +01:00 |
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7a5bcadc23
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Remove filters that did not pay off
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 11:55:47 +01:00 |
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f73e379222
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Fix HPF loss of precision
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 11:14:27 +01:00 |
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16492ce7ee
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Fix non-prime deltas
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 11:08:24 +01:00 |
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c5ce6f11cb
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Fix max RSSI
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 11:06:49 +01:00 |
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dc03f5e1b4
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Improve repeated RX, fix scaling
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-27 10:55:23 +01:00 |
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d6bd009c92
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Change clock back to 250 MHz
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-25 22:03:06 +01:00 |
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0ae392dc51
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Improve LO signal generation
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-25 21:45:45 +01:00 |
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64417f3ab7
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Avoid randomness in LO and bias for better SNR
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-24 23:51:36 +01:00 |
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1aaed3fe42
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Enable prime checks for LO delta
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-24 23:49:36 +01:00 |
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00537135af
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Rotation and minor tweaks
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-15 23:21:35 +01:00 |
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c1adb06029
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Display angle
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-14 21:32:53 +01:00 |
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f8a744ad48
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Initial import
Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>
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2024-01-14 20:16:54 +01:00 |
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