Commit Graph

148 Commits

Author SHA1 Message Date
Andreas Eversberg 4c1c8eb6fb NMT: Fix on paging retry 2016-08-28 15:29:13 +02:00
Andreas Eversberg 37ca463d98 NMT: Fixed channel coding for channels other than 1..9 2016-08-20 10:21:46 +02:00
Andreas Eversberg 8cecf13b1a NMT: Add transaction handling 2016-08-20 09:57:05 +02:00
Andreas Eversberg f15c0dfea3 NMT: Fixing audio level of supervisory signal to match 0.3 KHz deviation 2016-08-03 12:03:52 +02:00
Andreas Eversberg 55229a397c NMT: Fix, stop ringing timer at answer 2016-08-03 12:03:52 +02:00
Andreas Eversberg 28ae3e300f NMT: Fixed multi-transceiver mode and show channel in various logs 2016-08-03 12:03:51 +02:00
Andreas Eversberg 038ce9d1b7 Add info key 'i' to show some states.
Currently showing C-Netz attached subscribers
2016-08-03 12:03:49 +02:00
Andreas Eversberg 0bc5ee553c NMT: Fix SMS cleanup 2016-07-31 18:52:31 +02:00
Andreas Eversberg cc8631d4f9 NMT: Give warning of missing channel type AFTER creating all channels 2016-07-31 18:48:20 +02:00
Andreas Eversberg eb8a22e2c2 NMT: Fix SMS deliver output message 2016-07-31 14:49:43 +02:00
Andreas Eversberg 0593f7d066 Fix typos 2016-07-24 12:31:09 +02:00
Andreas Eversberg 6a5af9aeac Typos: acknowledgement -> acknowledgment signalling -> signaling 2016-07-24 12:31:08 +02:00
Andreas Eversberg 123979a0f3 NMT: Minor fix at debug output 2016-07-24 12:31:08 +02:00
Andreas Eversberg 8741833948 NMT: Change 'index' of message to 'mt' (message type) 2016-07-24 12:31:08 +02:00
Andreas Eversberg 5807a49f49 Release active call, when disconnect is received from network
If early disconnect is received, the connecion is kept established, so the
announcement can be heared by mobile subscriber.
2016-07-24 12:31:08 +02:00
Andreas Eversberg 4745b29115 NMT: Caller ID support 2016-07-24 12:31:07 +02:00
Andreas Eversberg ba8bf0e9d5 NMT: Fix autoanswer
If phone does not support autoanswer, the MTX proceeds with regular ringing.
2016-07-24 12:31:07 +02:00
Andreas Eversberg efb50532c6 NMT: Rework on frame (message) types 2016-07-24 12:31:07 +02:00
Andreas Eversberg a6bd841247 NMT: Various fixes for SMS support 2016-07-24 12:31:05 +02:00
Andreas Eversberg 2137db0e01 NMT: Autoanswer for SMS/DMS calls 2016-07-09 15:16:17 +02:00
Andreas Eversberg e7fa08b6df NMT / SMS: Short Message Service support 2016-07-09 15:16:16 +02:00
Andreas Eversberg 64c829909b NMT / DMS: User data facility support (required for SMS) 2016-07-09 11:27:24 +02:00
Andreas Eversberg f39ee2f15a common code: Add support for main loop handler 2016-07-09 11:27:02 +02:00
Andreas Eversberg 2ee51022f4 Rename 'compander' to 'compandor' 2016-06-20 19:37:56 +02:00
Andreas Eversberg 4d52f955b3 common code: Add processing interval option to decrese CPU usage 2016-06-18 19:33:08 +02:00
Andreas Eversberg 26593ed034 NMT: fix minor bug 2016-06-12 16:11:20 +02:00
Andreas Eversberg c933250685 Add dsp mode change fuction to A and B Netz, fixed NMT 2016-06-12 16:11:20 +02:00
Andreas Eversberg 1ceb3026dd Fixed link problem with alsa lib
Thanx to Martin for pointing to this problem.
2016-05-16 18:41:21 +02:00
Andreas Eversberg 50136d7e8a NMT: Typo in channel list 2016-05-15 20:43:58 +02:00
Andreas Eversberg 9ecb87f3e6 Fixing station ID command line parameter 2016-05-15 20:43:38 +02:00
Andreas Eversberg 7aa2445b47 Move amplitude (level) debugging to debug.c 2016-05-15 20:37:06 +02:00
Andreas Eversberg bbab972b51 NMT: Fixup paging on other channel 2016-05-13 09:37:03 +02:00
Andreas Eversberg 69ccdb99b5 NMT: Calibration of tone levels on TX and RX side 2016-05-13 09:37:03 +02:00
Andreas Eversberg bae12156a2 common code: Add input gain option 2016-05-08 15:49:45 +02:00
Andreas Eversberg 7434e21dc2 Multi transceiver support
This can be multiple transceivers on multiple sound cards.

Two transceivers can be bundled on one sound device as well, using both channels.
2016-05-08 15:48:13 +02:00
Andreas Eversberg 97c9eee322 Fix display of correct program name 2016-05-08 08:11:35 +02:00
Andreas Eversberg b73894ac49 B-Netz / NMT: minor changes at signal detection 2016-05-06 07:05:40 +02:00
Andreas Eversberg 47dbf094d9 NMT: Changes in parity check 2016-05-06 07:05:30 +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 17a93b501b NMT: Fix hint and list of traffic area configuration 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