Andreas Eversberg
16acdbf59d
Implementation of C-Netz (German mobile telephone system)
2016-04-24 15:19:00 +02:00
Andreas Eversberg
4b3e3385b5
common code: Fix sample rate conversion
2016-04-24 15:18:59 +02:00
Andreas Eversberg
4356c93afa
common: Add pre and de emphasis, if the radio does not support it
...
Connect to the oscillator of the transmitter - good girl!
You need to enable pre emphasis in this case.
Connect to the discriminator of the receiver - good boy!
You need to enable de emphasis in this case.
2016-04-24 15:14:56 +02:00
Andreas Eversberg
5062628e52
NMT: Calculate quality of sync sequence and drop in case of bad quality
...
This eliminates chance of findig a sync sequence in noise or speech
2016-04-24 15:14:56 +02:00
Andreas Eversberg
c0cd74ac85
NMT: Show levels of received frames
2016-04-24 15:12:21 +02:00
Andreas Eversberg
2a092b8cf7
Fixing compander
2016-04-24 15:10:25 +02:00
Andreas Eversberg
9de121109d
common code: Sample rate conversion now supports any rate above 8000 Hz
2016-04-17 16:49:39 +02:00
Andreas Eversberg
05402283df
common code: Add function request information, if timer is running
2016-04-17 16:49:08 +02:00
Andreas Eversberg
21865b6f0f
Add missing RANLIB definition to configure.ac
2016-04-02 18:34:04 +02:00
Andreas Eversberg
17a93b501b
NMT: Fix hint and list of traffic area configuration
2016-03-27 17:56:04 +02:00
Andreas Eversberg
4d84da31a8
Fixing timer handling
...
Usage of more than one timer caused a lock-up.
2016-03-27 17:56:04 +02:00
Andreas Eversberg
1146537d84
common code: Add feature to record received audio and replay it
...
-W <file.wav> writes a wave file of received audio
-R <file.wav> reads a wave file to feed into decoder
This way you can record a phone and later debug without a phone
and radio equipment.
2016-03-27 17:56:04 +02:00
Andreas Eversberg
0aa749d27b
WIP: NMT docs
2016-03-26 17:35:20 +01:00
Andreas Eversberg
a5db02775e
fixup debug class definition: rename DFSK and DAUDIO to DDSP
2016-03-15 19:26:13 +01:00
Andreas Eversberg
57caa536cf
Implementation of NMT (Nordic Mobile Telephoe) network
2016-03-13 19:42:19 +01:00
Andreas Eversberg
cbfc818cce
Add compander to common part
2016-03-13 16:18:42 +01:00
Andreas Eversberg
4ab1cd5026
Add DTMF coder to common part
2016-03-13 13:38:35 +01:00
Andreas Eversberg
3bee5e728a
bnetz: Allow calling the phone using '05' prefix
2016-03-13 09:12:43 +01:00
Andreas Eversberg
e9234e3926
anetz: Add release timer, so station keeps blocked for a while
...
This prevents other mobile phone or outgoing call to seize the
base station before the current phone releases the transmitter.
2016-03-13 09:12:26 +01:00
Andreas Eversberg
0dc81fe210
Prepare for NMT: Fixes and improvements at common code
2016-03-13 09:12:23 +01:00
Andreas Eversberg
287b914b56
bnetz: Simplifying 'telegramm' handling
2016-03-13 09:12:19 +01:00
Andreas Eversberg
d21be383a6
anetz/bnetz: Move option 'loss detection' from common code to individual code
2016-03-13 09:12:16 +01:00
Andreas Eversberg
9b8e359264
anetz/bnetz: Remove redundant code to enter idle state
2016-03-13 09:12:14 +01:00
Andreas Eversberg
01a29ccfaa
fixup: A-Netz documentation
2016-03-13 09:12:13 +01:00
Andreas Eversberg
946c9ce10a
initial git import
2016-03-13 09:12:11 +01:00