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Author SHA1 Message Date
Jared Boone
57db6a6367 Ignore more initial bits of AIS training sequence. 2015-11-06 09:40:01 -08:00
Jared Boone
37b1d7cf2f Remove payload_length from PacketBuilder, etc. 2015-11-06 09:40:01 -08:00
Jared Boone
142617ad94 Silence Clang warning. 2015-11-06 09:40:01 -08:00
Jared Boone
cf3bff3b03 Decouple PacketBuilder PayloadHandler function from method type. 2015-11-06 09:40:01 -08:00
Jared Boone
1bdad62496 Simplify PacketBuilder pattern matching and symbol accumulation. 2015-11-06 09:40:00 -08:00
Jared Boone
36689f5c45 Refactor bit pattern matching. 
Remove AccessCodeCorrelator, Unstuff classes.
 2015-11-06 09:40:00 -08:00
Jared Boone
f918a774b7 Address implicit cast compiler warnings. 2015-11-06 09:40:00 -08:00
Jared Boone
0bc8f551de Use matched filter for AIS GMSK demodulation demo. 
Less than optimal for plain FSK, but flexible enough to also support GFSK/GMSK. Not at all optimized for SIMD instructions, so may not perform adequately at Bluetooth/GSM rates.
 2015-11-06 09:40:00 -08:00
Jared Boone
a9c190b6bb Matched filter implementation. 
Essentially a complex FIR filter that's more flexible than the ones already in the code base. Refactor?!
 2015-11-06 09:40:00 -08:00
Jared Boone
6499de39bf Shorten AIS packet to expected data + FCS length. 2015-11-06 09:40:00 -08:00
Jared Boone
bd76f0e13b Note to try different -mcpu= for LPC43xx Cortex-M0. 2015-11-06 09:40:00 -08:00
Jared Boone
e9f28f9ef3 Provide configuration of symbol unstuffing. 2015-11-06 09:40:00 -08:00
Jared Boone
a00fcbaa8f Unstuffing pattern length of zero should never match. 2015-11-06 09:40:00 -08:00
Jared Boone
05badaddda Put symbol coding into PacketBuilder. 
Removes stuffing symbols before placing them into packet buffer.
 2015-11-06 09:40:00 -08:00
Jared Boone
c936e09702 Add bit unstuffing algorithm. 
For use in AIS. Probably useful elsewhere, too...
 2015-11-06 09:39:59 -08:00
Jared Boone
31ff13f1c0 Un-const Message in message handler interfaces. 
I want to modify in place the messages that are received. Naughty, but oh well.
 2015-11-06 09:39:59 -08:00
Jared Boone
5469a3a31d Get ui::Console to a working state. 2015-11-06 09:39:59 -08:00
Jared Boone
5c31e803c8 Change interface to AccessCodeCorrelator, inline in header. 2015-11-06 09:39:59 -08:00
Jared Boone
a3cce5632e Complete rewrite of clock recovery, lots of refactoring. 2015-11-06 09:39:59 -08:00
Jared Boone
8b2e75a299 Add LinearResampler implementation for clock recovery. 2015-11-06 09:39:59 -08:00
Jared Boone
f13e2d32c0 Add symbol coding namespace, NRZI decoder. 2015-11-06 09:39:59 -08:00
Jared Boone
934936d3f6 Enhancements to clock recovery 
Linearly interpolate input and delayed samples, based on phase of internal symbol clock.
 2015-11-06 09:39:59 -08:00
Jared Boone
144b121b0e Windows 8.1 firmware tool images. 2015-10-22 11:37:28 -07:00
Jared Boone
b41ff962f4 Replace std::sin() with interpolated LUT. 2015-10-14 11:10:24 -07:00
Jared Boone
291de8f869 Change channel_spectrum type to std::complex<float>. 
Move FFT bit-reversal to complex<int16_t> -> complex<float> copy.
Change window so that adjacent bins have constant(-ish) gain.
Change window to float.
Change time domain samples to accumulate at even intervals over the FFT interval.
 2015-10-14 11:10:24 -07:00
Jared Boone
882fbbef31 Add more fft_swap bit reversal functions. 2015-10-14 11:10:24 -07:00
Jared Boone
8f7e26b5c1 Break out BasebandStatsView, add main, RSSI threads. 2015-10-14 10:59:32 -07:00
Jared Boone
7f46f0d071 Add tick tracking for all baseband threads. 2015-10-14 10:44:20 -07:00
furrtek
ff96464efe Added AFSK BW and repeat parameters 2015-09-16 15:43:43 +02:00
furrtek
00ee78f533 Play dead init 2015-09-15 22:34:36 +02:00
furrtek
457baa65f4 Added binaries 2015-09-14 21:35:32 +02:00
Furrtek
efab6dfcaa Update README.md 2015-09-14 01:05:10 +02:00
furrtek
9a7657fb38 Play dead actually works, fixed 7bit AFSK, AFSK repeat, started whistle mode 2015-09-10 20:36:39 +02:00
furrtek
07754727ed Merge branch 'master' of https://github.com/furrtek/portapack-hackrf 2015-09-05 20:17:57 +02:00
furrtek
f1166205b0 Checkboxes, more AFSK options 2015-09-05 20:17:43 +02:00
Furrtek
82c80e20a7 Update README.md 2015-09-04 20:40:59 +02:00
furrtek
70a646ca60 Merge branch 'master' of https://github.com/furrtek/portapack-hackrf 2015-09-04 20:38:35 +02:00
furrtek
30531a20f2 Splash screen and Play Dead functionality 2015-09-04 20:37:27 +02:00
Furrtek
c6c5333a16 Update README.md 2015-09-03 06:36:51 +02:00
furrtek
ec26f587f1 Started adding AFSK modulator options, cleaning up LCR TX 2015-09-03 06:34:00 +02:00
Jared Boone
aa733b1b61 Remove FSK from receiver menu. It doesn't do anything (yet). 2015-09-02 18:55:00 -07:00
Jared Boone
f91f17b9fb Increase touch sensitivity a bit. 2015-09-02 18:48:51 -07:00
Jared Boone
9a3454d695 Touch code cleanup, stop scanning when no touch. 
No need to change voltages on touch panel when no touch is detected. This should reduce noise a bit.
 2015-09-02 18:48:38 -07:00
Jared Boone
f1ca3fe5bb Switch RFFC5072, MAX2837 back to 40MHz reference. 
Turns out the MAX2837 can't tune the necessary range when given a 50MHz reference. Oops.
 2015-09-02 17:45:19 -07:00
Jared Boone
293337b647 Init radio in RX mode, not TX mode. 2015-09-02 17:30:16 -07:00
Jared Boone
e2bb77d756 Change wideband FFT bin filter, clean up code a bit. 2015-09-02 11:29:38 -07:00
Jared Boone
c4de9c4423 Mute audio whenever baseband mode is changed. 2015-09-01 21:05:47 -07:00
Jared Boone
c52de7abe6 Clean up baseband/RSSI streaming control. 
Address hang-up of baseband and RSSI when switching modulation modes really fast.
 2015-09-01 21:05:32 -07:00
Jared Boone
687e627dae Mechanism to clear waterfall when switching modulations. 2015-09-01 21:04:27 -07:00
Jared Boone
d4c85bd786 Move receiver "back" button to separate row. 2015-09-01 20:38:59 -07:00