Jared Boone
43d6098c48
Move baseband_sgpio.* to common/.
...
It'll soon be used by M4 code, not M0. SGPIO baseband streaming needs to be tightly controlled by... the baseband!
2016-01-09 17:57:37 -08:00
Jared Boone
365c2ef946
Handle baseband::dma::wait_for_rx_buffer() returning empty buffer.
...
Was technically OK before, because sample count was zero. But seems silly (and vaguely dangerous) to call all that code with a nullptr.
2016-01-09 12:20:57 -08:00
Jared Boone
8fba47b7d8
FIFO in and out indices should be volatile.
...
Later code revealed that the receiving core never notices (reads anew) the _in member variable when waiting for the FIFO to be empty (_in == _out).
2016-01-07 10:53:27 -08:00
furrtek
1e71a10346
UI options: backlight auto-off, splash screen toggle
2016-01-07 14:17:39 +01:00
Jared Boone
7710b2d1fa
ChannelSpectrumConfig message subsumes FIFONotify.
...
Separate channel spectrum config from spectrum data. This will permit sending config info only when necessary.
Use type information of ChannelSpectrum to statically define number of FFT bins elsewhere.
TODO: Posting configuration message way too often. Fixing that is the next step.
2016-01-06 12:10:30 -08:00
Jared Boone
ba33cc737d
Transmit DisplayFrameSync message, handle in WaterfallSpectrum.
...
More kludginess, especially around initialization and timing. But it addresses the flickering lines of pixels at the bottom of the waterfall scroll area!
2016-01-06 11:36:57 -08:00
Jared Boone
aaa1bc3a09
Transmit ChannelSpectrum data through separate FIFO.
...
Allows handling of data during LCD "vertical retrace", independent of other baseband->application messages. A bit kludgy still...
2016-01-06 11:34:41 -08:00
Jared Boone
2cd28fcc0c
Make FIFO::in() more consistent with other functions.
2016-01-06 11:04:25 -08:00
Jared Boone
4059e9cebe
Reintroduce FIFO in/out for templated FIFO element type.
2016-01-06 11:01:02 -08:00
Jared Boone
b05923eab6
Change FIFO is_full() to make more sense.
2016-01-06 10:58:42 -08:00
furrtek
496c77fe3e
Module loading should work again
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Modules won't load if already loaded (dirty footprint hack)
2016-01-05 20:17:55 +01:00
furrtek
3477a2691a
Added missing files, ENUMed modulation modes
2016-01-05 11:47:46 +01:00
Jared Boone
c1e5577669
Eliminate duplicate code between event_m4.hpp, event.hpp.
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event.* is common code, _m0 and _m4 contain specific event mask definitions.
2016-01-04 12:54:05 -08:00
Jared Boone
b058c0fe00
Consolidate M0-specific code.
2016-01-04 12:07:30 -08:00
Jared Boone
a27489eb21
Consolidating M4-specific saturation flag code.
2016-01-04 12:00:52 -08:00
Jared Boone
778e2d2381
A little code consolidation -- M0APP IRQ.
2016-01-04 10:12:18 -08:00
Jared Boone
5547782f5a
Improve FFT twiddle factor precisions using Python SymPy.
...
Python math, numpy, scipy produce values with significant rounding errors.
2016-01-03 21:02:44 -08:00
Jared Boone
963b6e257a
FFT twiddles can be used for all K <= table length.
...
Change assert to allow FFTs < 8.
2016-01-03 20:25:31 -08:00
Jared Boone
54e59cc224
Hard-code K=8 FFT twiddle constants for now.
...
So low on baseband RAM! This eliminates the sin_f32() function and table, which is only used in the FFT, for the moment.
2016-01-03 20:08:26 -08:00
Jared Boone
65dd385c94
Little FFT loop indexing tweak.
2016-01-03 17:47:08 -08:00
Jared Boone
62ee26e763
OK... Nuke list initializations.
2016-01-03 16:28:09 -08:00
Jared Boone
422f6c6960
Don't pass by reference in message constructors.
2016-01-03 16:21:17 -08:00
Jared Boone
b5aa2b205f
Implement AMConfigureMessage from M0 to M4.
2016-01-03 14:31:39 -08:00
Jared Boone
f2f7032615
Wideband FM configuration messages from M0.
2016-01-03 13:38:55 -08:00
Jared Boone
0497dbf62f
NBFM configuration message.
...
Allows changing NBFM filter configurations from M0.
2016-01-03 12:46:21 -08:00
Jared Boone
c179b9e1cd
Move FIR filter configs to common/, so M0 can use it.
...
Planning to pass from M0 to M4 so M4 doesn't need to keep all these different filter configs in text section.
2016-01-03 12:45:15 -08:00
Jared Boone
39ca6fec62
Transform update spectrum event into message.
2016-01-03 12:05:47 -08:00
furrtek
802ac496e9
Xylos (CCIR tones) TX, jammer update, SD card mod load
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Xylos TX (CCIR tones) ;)
Jammer update, still buggy and inefficient
SD card module loader update
2016-01-03 07:24:30 +01:00
Jared Boone
ff05833b02
Use new decimation filters in AIS processor.
2016-01-01 13:20:02 -08:00
Jared Boone
3db0820b54
Remove LOCATE_IN_RAM from DMA IRQ handler
...
Not needed for M4, was causing code to be located in data RAM, and veneers to jump between code and data RAM. Reclaimed a few hundred bytes of code RAM.
2015-12-29 11:24:23 -08:00
Jared Boone
87c9772128
More M4 instruction wrappers, with vector typed arguments.
2015-12-28 16:52:10 -08:00
Jared Boone
f74e6690cb
Utilize class types for member variables -- slightly more generic.
2015-12-28 16:51:34 -08:00
Jared Boone
ccc3402869
Add complex32_t type.
2015-12-28 10:14:35 -08:00
Jared Boone
dc86db5b87
Reminder to my future self to not over-optimize complex conjugate multiply.
2015-12-28 10:12:40 -08:00
Jared Boone
b8726b6ecf
Un-bitfield PinConfig, GCC 5 didn't like it.
...
And GCC 4.9 was very touchy about it. Attempts to fix by other means broke MAX2837 register readback (but not writing?). It suggests there might be a deeper issue -- setup/hold timing?
2015-12-24 10:36:26 -08:00
Jared Boone
b65cd72a68
Remove some pointless GCC-isms.
2015-12-17 10:12:03 -08:00
Jared Boone
750506b33e
Move more code from .hpp to .cpp.
2015-12-16 22:35:26 -08:00
Jared Boone
f204a58d24
WM8731 header clean-up.
2015-12-14 14:03:17 -08:00
Jared Boone
552bba47ea
Move a lot of WM8731 functions to .cpp.
2015-12-14 13:57:45 -08:00
Jared Boone
fa3eaf0820
Disable audio codec wait-for-zero-crossing volume change mode.
...
This may explain (now unreproduceable) issue where UI volume changes weren't always changing the gain on the audio codec.
2015-12-14 12:26:41 -08:00
Jared Boone
24d60a11e3
Add WM8731.read() for cached values.
2015-12-14 12:09:01 -08:00
Jared Boone
9170c66bc0
Remove unused function declaration.
2015-12-12 11:37:59 -08:00
Jared Boone
b058d609eb
Move packet timestamping into baseband.
...
Now reads the RTC peripheral at the end of each received packet.
TODO: Improve resolution to milliseconds or better.
TODO: Work back from end of packet to compute timestamp for beginning of packet.
TODO: Reuse ChibiOS RTC code, which isn't used now because ChibiOS on M0 core is responsible for RTC configuration, and including ChibiOS RTC API on M4 will also try to initialize/manage the peripheral.
2015-12-12 11:37:30 -08:00
Jared Boone
088f60f2bc
Extract spectrum collector from BasebandProcessor.
...
Code size improvement, and less confused classes. :-)
2015-12-11 12:26:45 -08:00
Jared Boone
a7afc58cf8
More consistent use of pass-by-ref, const in baseband code.
2015-12-10 15:18:02 -08:00
Jared Boone
83bf2a9a36
Tweak BasebandConfiguration constructors to avoid surprise type conversions.
2015-12-10 14:40:48 -08:00
Jared Boone
3ed77af0c1
BasebandProcessor: Streamline construction of some messages.
2015-12-10 12:25:11 -08:00
Jared Boone
4d52f73f6a
Move Manchester to common/.
2015-12-10 11:28:18 -08:00
Jared Boone
eb1402764e
Move ERT packet type to its rightful place.
...
No longer mixed up with Message types.
2015-12-08 16:19:27 -08:00
Jared Boone
7de187e267
Move ERT, AIS packet code to common/.
2015-12-08 16:08:20 -08:00
Jared Boone
d0d97e92cb
Rename ::Packet to baseband::Packet. Remove IPC packet types.
2015-12-08 15:15:51 -08:00
Jared Boone
90a7327cd5
Clean up FieldReader and BitRemap types.
2015-12-08 14:15:15 -08:00
Jared Boone
7cded79b59
Clean up CRC class/interface, make more like boost::crc_basic.
2015-12-08 10:35:54 -08:00
Jared Boone
a2df8ea599
Simplify excessively idiomatic C-ism.
2015-12-07 15:29:43 -08:00
Jared Boone
bd33e652ea
Abstract packet type/implementation details.
2015-12-07 12:35:05 -08:00
Jared Boone
b9643dc988
Clean up ERT packet type notation.
...
Still not great, but at least repeated code is reduced.
2015-12-06 15:47:04 -08:00
Jared Boone
42d13e6713
ui::OptionsField match option value by ==, not >=.
...
I think I used >= to match baseband filter bandwidth, but then the options would all have to be in increasing order to do the right thing, which is not what another developer would expect!
2015-12-03 20:53:14 -08:00
Jared Boone
76845c4335
Extract to_string_* functions from ui_widget.
2015-12-02 13:38:17 -08:00
Jared Boone
4baf2a06f2
Move ais_baseband code to app_ais.
2015-12-02 09:31:14 -08:00
Jared Boone
82ff45860e
Add basic ERT (OOK) utility meter reception.
...
Extracted the Manchester formatting function for use in ERT, now also returns an indication of bits in error.
2015-12-01 11:24:48 -08:00
Jared Boone
c70d95dcbe
Remove SDCardStatusMessage, replace with Signal, extract to separate files.
2015-12-01 10:38:35 -08:00
Jared Boone
42104d217a
Broaden SD card status detail in message.
2015-11-29 15:50:58 -08:00
Jared Boone
5928086fd9
Simplify SD card mount status code.
2015-11-29 15:37:24 -08:00
Jared Boone
435824e9b5
Clean up buffer_t constructors.
2015-11-20 11:21:31 -08:00
Jared Boone
d96379dc9c
Remove extra semicolons.
2015-11-20 11:11:14 -08:00
Jared Boone
600a983d5c
Clean up complex<int16_t> -> complex<float> casting.
2015-11-20 11:01:41 -08:00
furrtek
5f60b004f7
Dynamic baseband module loading from SD card
2015-11-20 07:59:09 +01:00
furrtek
835d581e6c
Merged remote-tracking branch 'upstream/master'
2015-11-18 22:01:48 +01:00
Jared Boone
9900c29283
Deepen BitPattern and BitHistory to 64 bits.
2015-11-16 10:33:08 -08:00
Jared Boone
4d6877ab15
Extract FieldReader to separate header so it can be reused.
2015-11-16 10:31:36 -08:00
furrtek
bcbad4629f
Jammer ramp mode
...
Jammer range splitting, hopping. Only 1MHz wide splits for now.
2015-11-14 03:44:49 +01:00
furrtek
66de53744e
Jammer UI
...
Drew jammer UI
Added presets for French GSM operators and a few other funny frequencies
Added minimalist jamming baseband code
2015-11-13 01:19:05 +01:00
Jared Boone
4f82524e77
Another default constructor.
2015-11-11 10:30:35 -08:00
Jared Boone
2c64454172
More constructor style clean-up.
2015-11-11 09:35:28 -08:00
Jared Boone
ebf103363c
Constructor style clean-up.
2015-11-11 09:16:20 -08:00
Jared Boone
987ea3555d
SD card detection and filesystem mounting.
2015-11-10 15:24:42 -08:00
Jared Boone
9f6c495fef
Add TPMS initial demodulator implementation.
...
Right now, 2FSK, 19200 baud, +/-38400Hz deviation. No effort is made to check CRC/checksums or decode packets.
2015-11-10 15:19:56 -08:00
Jared Boone
e6351ca066
Improve comment accuracy.
2015-11-10 15:11:19 -08:00
Jared Boone
791b2a9762
Remove now-unused FSKConfiguration message.
2015-11-10 15:07:20 -08:00
Jared Boone
981c2fbfbd
Complete FSKProcessor's trip to being AISProcessor.
2015-11-10 15:04:38 -08:00
Jared Boone
0789d50fdf
Rework BitHistory, BitPattern, PacketBuilder.
...
Templatize PacketBuilder to optionally bit unstuff, and have flexible packet termination behavior.
2015-11-09 14:38:09 -08:00
Jared Boone
0b522abbc1
Rename AIS packet handler variables for consistency with spec.
2015-11-09 14:35:06 -08:00
Jared Boone
850c847bbf
Trap attempts to register more than one message handler at a time.
2015-11-09 11:57:38 -08:00
Jared Boone
47a3ffb15a
Insulate ui::Context a bit from its clients.
...
Add accessor methods.
2015-11-09 11:56:40 -08:00
Jared Boone
85383e488b
std::fma not necessary with proper compiler options.
...
std::fma isn't available on Ubuntu 15.04 arm-gcc, apparently. Hence my reviewing this code...
2015-11-08 16:33:32 -08:00
Jared Boone
5dcca89172
FSKProcessor: remove separate channel filter.
...
RRC filter alone will do the trick!
2015-11-07 14:10:44 -08:00
Jared Boone
9e694ce836
AIS decoding and really bad UI.
...
The decoder needs a serious refactoring/decoupling.
The UI just dumps bits of the received packets into a console window, whcih scrolls too quickly in an AIS-dense area with a good antenna.
2015-11-06 13:53:04 -08:00
Jared Boone
a366b3ac4f
CRC class.
...
Has some more efficient code, commented out because I was having trouble getting it to work. However, it may have been due to the particular data I was trying to decode and CRC-validate.
2015-11-06 13:49:59 -08:00
Jared Boone
5236a858d0
Change Field.read to const.
2015-11-06 09:40:04 -08:00
Jared Boone
a33aa26bf5
Change header guard name.
2015-11-06 09:40:04 -08:00
Jared Boone
51df92a05a
Rename baseband_ais -> ais_baseband.
...
So that ais_baseband and ais_application filenames can be sorted near each other.
2015-11-06 09:40:04 -08:00
Jared Boone
015e5516d5
Update/consolidate AIS RRC matched filter taps.
2015-11-06 09:40:04 -08:00
Jared Boone
dc30911e0f
Check for widget != nullptr before add/remove child.
2015-11-06 09:40:03 -08:00
Jared Boone
f82fd1f8d7
Tease apart utility.hpp, other header dependencies.
...
Trying to get a host-testable FSK demodulator, and finding a lot of M4- and ChibiOS-specific code is getting included. Boo.
2015-11-06 09:40:03 -08:00
Jared Boone
0a7ac153a7
AIS RRC taps updated, more precision, corrected frequency shift.
2015-11-06 09:40:03 -08:00
Jared Boone
338983e7ae
Remove unused negative-shifted RRC filters.
2015-11-06 09:40:03 -08:00
Jared Boone
3e9f0971e1
Assert that FSKConfiguration size is the same between application and baseband binaries.
2015-11-06 09:40:02 -08:00
Jared Boone
aff7865c61
Move (some) AIS bits to a separate file.
2015-11-06 09:40:02 -08:00
Jared Boone
7a5100baf1
Enlarge packet payload size 256 -> 1024 bits.
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
