c61a7a7cf7
doc: start documenting the Layer 2 packets (WIP)
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2024-08-30 23:46:47 +02:00
3f4a50bdce
doc: don't use external resources
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Embedding (only) parts of MathJax is a bit ugly ...
2024-08-28 13:42:33 +02:00
b46b2536e1
Add a CI workflow compiling the hamnet70 program
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2024-08-27 22:01:51 +02:00
1bcc8c2fea
Add Dockerfile with hamnet70 build dependencies
2024-08-27 22:01:51 +02:00
c342cf656e
Move documentation docker scripts to /ci/docker
2024-08-27 21:28:09 +02:00
03829e058b
Run deployment only on main branch
2024-08-27 21:23:40 +02:00
f686635837
doc: automatic builds and deployment using Forgejo Actions
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Actions run in a custom Docker image built by the scripts in `doc/docker`.
There are two jobs that run in sequence:
- `build-doc`: builds the documentation from the AsciiDoc sources.
- `deploy-doc`: Uploads the generated files to http://0fm.de
2024-08-27 21:10:30 +02:00
10f634d144
doc: translate message sequence diagrams to mscgen
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Mermaid is more beautiful, but the tool stack is really annoying. A Chrome
browser should not be necessary to generate some SVGs.
2024-08-27 18:07:12 +02:00
79c340c20d
connection: add state checks
2024-08-25 23:27:22 +02:00
fc9e5c5229
Combine layer2_rx and layer2_tx in a new connection module
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The new module is not used yet, but this is a preparation for the future
multi-client networking support.
2024-08-25 22:26:56 +02:00
899152a530
Remove config.h from Git; must be adapted by the user
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A template for the config file is provided in src/config.h.template. It must be
copied to src/config.h and adapted for force users to set their own station
call sign.
2024-08-25 20:26:41 +02:00
303bfaec4f
doc: enable stem processing for formulas
2024-08-25 01:14:38 +02:00
76f9f37b5d
doc/Makefile: add clean target
2024-08-25 01:14:28 +02:00
9d86bc3c97
doc: write generated files to separate directory
2024-08-25 00:52:51 +02:00
c52d0766d7
Remove obsolete compile_flags.txt
2024-08-23 19:52:24 +02:00
2e91fd7c42
Apply free software+documentation licenses
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All code is now licensed under GPLv3+. The documentation is licensed under
CC BY-SA 4.0.
This is now officially free software! \o/
2024-08-23 11:53:40 +02:00
017eb221f1
Integrate the interleaver
2024-08-16 22:14:07 +02:00
325abdbd02
packet_queue: allow max. 15 packets to be queue (transmit window)
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16 is not allowed because it leads to an overflow in sequence numbers, making
them ambiguous.
2024-08-09 22:22:01 +02:00
6d9068f63d
define INTERLEAVE_DISTANCE
2024-08-09 22:18:20 +02:00
2ddb8aa18c
Randomize retransmit time
2024-08-09 22:16:14 +02:00
d2ef6d9741
Remove empty packets from the queue after their first transmission
2024-07-27 00:50:04 +02:00
04dcfff6fd
Do not transmit an empty packet if an empty packet was received
2024-07-27 00:33:47 +02:00
9990aa5fbb
main: check return value of layer2_tx_fill_packet_queue()
2024-07-24 20:20:36 +02:00
52f45cb433
layer2: check return values when adding empty packets
2024-07-24 20:20:36 +02:00
4e2815923c
layer2: handle invalid message types just in case
2024-07-23 09:24:32 +02:00
fe3460a899
doc: s/should/must/
2024-07-23 09:21:14 +02:00
766caf7e07
layer2/packet_structs: use variable to reduce duplication
2024-07-23 09:15:56 +02:00
b3a49fe0ba
layer2: update comments, use constant
2024-07-23 09:15:34 +02:00
8aacbaf8c3
layer2/packet_queue: remove unused function packet_queue_can_add_packet()
2024-07-23 08:41:42 +02:00
9845514a46
layer2/packet_queue: permit using full queue size
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Previously, only PACKET_QUEUE_SIZE - 1 elements could be stored.
2024-07-23 08:41:25 +02:00
10a869d1a2
Layer 2: send Empty Packet acknowledgements if there’s nothing else to transmit
2024-07-22 22:19:23 +02:00
87eeb045b0
docs: define an Empty Frame and its usage
2024-07-22 21:40:54 +02:00
c9916c08da
Add a simple interleaver implementation (not used yet)
2024-07-21 17:23:15 +02:00
04f29b94bf
rx: show AGC gain after preamble, header and data
2024-07-20 22:33:08 +02:00
576cdbfac5
Added ham64.c/.h to CMakeLists.txt
2024-07-20 22:32:01 +02:00
77b24cf591
tests: Added variant of rx_file test for layer2 debugging
2024-07-20 22:31:13 +02:00
38010ea672
rx-debugging: always dump symbols on packet boundaries
2024-07-20 22:30:27 +02:00
12e727be00
packet_structs: add function to dump a packet header to the log
2024-07-20 22:29:04 +02:00
3068db1d50
Handle retransmit timeouts
2024-07-20 01:04:03 +02:00
fe684f7a1d
Fixed stack overflow in transmit()
2024-07-20 01:03:31 +02:00
db2700c0f7
layer2_decode_packet_header: fixed rx_seq_nr readout
2024-07-20 01:02:42 +02:00
bfe1cce6e3
packet_queue: wrap sequence number in packet_queue_delete()
2024-07-20 01:01:55 +02:00
ac0fb54623
layer2_tx: fixed logging
2024-07-20 01:01:35 +02:00
3b7d6baa74
layer2_tx: fixed packet size
2024-07-20 01:01:01 +02:00
bcbcf5aeff
Layer 2: Added logging for retransmit handling
2024-07-20 00:26:53 +02:00
d449e31586
logger: show module name
2024-07-20 00:04:32 +02:00
041255e15f
layer2_tx: Fixed stack-use-after-return
2024-07-19 22:26:02 +02:00
725a0ffd21
Ignore the squelch while receiving a packet
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Before this commit, samples could be dropped during packet reception, which for
sure destroys the current packet and potentially the following one. Now samples
are stored even if the squelch „closes“, and decoding will potentially fail due
to high noise, but not due to missing samples.
2024-07-19 22:11:29 +02:00
60d7fbf373
setup_tundev: limit TX queue len to 16
2024-07-19 21:59:38 +02:00
48f061e334
Handle sequence numbers
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This should enable basic retransmission handling.
2024-07-18 23:26:57 +02:00
