54ed5d5f82
AMPS: Fixed setting of signal polarity when using SDR
2017-02-18 21:01:19 +01:00
faa3dfb7d4
C-Netz: Make average to clock measurements for a quicker result
2017-02-18 21:01:19 +01:00
5026e161aa
Open audio device for call (headset) after everything is prepared
...
It is not allowed to stall after trigger reading of audio device.
2017-02-18 21:01:18 +01:00
8cb0187133
C-Netz: Remove the obviously useless noise function for unused timeslots
2017-02-18 21:01:17 +01:00
f5e9a97c31
--rx-gain option works now only with sound card
2017-02-18 21:01:16 +01:00
2b4f5bb228
Minor fix in help output
2017-02-18 21:01:15 +01:00
f72c53757d
B-Netz, NMT: Improved check for minimum required sample rate
2017-02-18 21:01:15 +01:00
7e45f556ce
Correcting all levels and move all remaining integer samples to sample_t
...
The leves are based on the standards of each mobile network. They
are adjusted to the specified frequency deviation now.
2017-02-18 21:01:13 +01:00
bd7ccc5fa0
Add global DC-Filter and remove all individual DC-Filters
2017-02-18 21:01:12 +01:00
71e556e7ff
Work on emphasis filter: Neutral @ 1000 Hz; Use filter before de-emphasis
2017-02-18 21:01:11 +01:00
b3fd53b165
Test filter uses a dB graph to show the response graphically
2017-02-18 21:01:10 +01:00
7ea3bc188d
Move samples of int16_t format to sample_t, that is of type double
...
This prepares the correction of all levels
2017-02-18 21:01:08 +01:00
538a959128
Indexing tables by casting index to unsigned integer only
2017-02-18 21:01:06 +01:00
23a42aeb2c
Fixed calculation of elapsed UHD RX time stamp
...
Now rates above 1000 RX frames per second works. The bug hit when there
were more than one frame received during one function call. This happens
if the frame rate is above the main loop rate of 1000 frames per second.
(default)
2017-02-18 21:01:05 +01:00
ac0da3f76e
Filter improvement: LP and HP filters, added test function
...
The -3 dB level at cut-off frequency is now maintained for multiple
iterations.
2017-02-18 21:01:04 +01:00
799b96c801
Fixed sleep interval in main loop
...
The elapsed time is calculated, so that it is removed from the sleep
time. This way the loop interval matches the given target.
2017-02-18 21:01:03 +01:00
a7e47f83d7
Fixed paging channel switching of B-Netz
...
Now the calling channel is switched correctly.
A global parameter is used to select how paging is performed.
2017-02-18 21:01:03 +01:00
ccf58995c3
work on docs
2017-02-18 21:01:02 +01:00
21c5c3195d
Plot IQ data as red points on display, if overdriven (vector length >= 1.0)
2017-02-18 21:01:01 +01:00
c0e30d35d6
Use individual sample rate and setting for call device (headset)
2017-02-18 21:01:00 +01:00
19b396ab4d
Wave recording and playback now uses multi channels
2017-02-18 21:00:59 +01:00
2d8d7e62c1
Use global init/cleanup function
2017-02-18 21:00:58 +01:00
bc028cd4d3
NMT: Make supervisory signal default, also allow setting per channel.
2017-02-18 21:00:57 +01:00
272ebeb0ae
SDR: Minor fixes
2017-02-18 21:00:56 +01:00
a5fd375237
Fixed typos
2017-02-18 21:00:55 +01:00
bf0abd627d
A-Netz: Option to set gain of paging tones
2017-02-18 21:00:54 +01:00
d28467c125
SDR: Display IQ data as a plot using 'q' key
2017-02-18 21:00:53 +01:00
fee4846c3f
SDR forces default settings: emphasis and FSK polarity
2017-02-18 21:00:52 +01:00
8b9277615d
Neu structure for the paging process (B-Netz)
...
Paging tones are not created within sound_alsa.c
The audio API is now responsible to switch to paging channel.
In case of SDR, the sdr.c will switch frequency offset.
2017-02-18 21:00:50 +01:00
57993e3e48
Support for UHD SDR interface
2017-02-18 21:00:49 +01:00
b30b61282c
Generic SDR support
2017-02-18 21:00:48 +01:00
c5cf88ce57
Prepare for SDR: Add bandwidth and deviation info to sender instance
2017-02-18 21:00:47 +01:00
9ff8c3bb25
Rework on audio interface
...
Sound instance is now called audio instance and uses funcation pointers.
This gives a clean interface to be exchanged with other technologies,
linke SDR.
2017-02-18 21:00:45 +01:00
d54d3ac265
prepare audio handling for multi carrier SDR
2017-01-07 06:28:24 +01:00
713b1ab118
Rename functions and structure of biquad lowpass filter
2017-01-07 06:28:23 +01:00
d447be5e26
NMT: Rework on FSK process, no more requirement for special sample rates
2017-01-07 06:28:20 +01:00
2d0bc92cde
C-Netz: Make demodulation buffer size dynamic
2017-01-07 06:26:50 +01:00
a37dfe38ab
C-Netz: Fixed double free bug
2017-01-07 06:26:49 +01:00
e1cbb1649a
Fixed memory leak in PDEBUG(). Thanx to valgrind finding that!
2017-01-05 08:36:52 +01:00
286c11cab4
B-Netz: Add translation of emergency numbers 110 and 112
2017-01-02 17:38:54 +01:00
b59ce96889
B-Netz: Minor change on start image
2017-01-02 10:19:07 +01:00
16e1e842b9
A-Netz: Don't allow emphasis, since it is not used with A-Netz
2017-01-02 10:16:49 +01:00
e724823c5b
A-Netz: Reset tone detector when going idle
...
A pending tone must be detected as soon as the cell is idle. This happens
if the phone picks up during release guard time.
2017-01-02 10:13:43 +01:00
2e7a05f8d9
Add GPL 3 license text, as it is refered to in every source code
2016-12-15 17:56:44 +01:00
d47853201c
common code: Update call console only when it changes or after debug line
2016-12-11 14:21:22 +01:00
3400f555fe
Add common function to give hotkey help
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* Key to dial and hangup
* Key to display wave form
2016-12-09 16:42:38 +01:00
d1c6d6bc72
work on docs
2016-12-09 16:42:19 +01:00
7585f9c22d
Add function to change dsp state, more debug with channel info
2016-12-09 16:34:33 +01:00
f111c50478
A-Netz / B-Netz: Add function to change state, debug with channel info
...
Change state uses a function rather than directly setting state
variable.
Some debug commands now use channel number. (for multi-trx setups)
2016-12-06 17:47:58 +01:00
eed826387a
work on docs
2016-12-06 17:46:12 +01:00
Andreas Eversberg