caiyu/LibreVNA
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561 Commits 1 Branch 0 Tags 266 MiB
047f6ce981
Commit Graph

44 Commits

Author SHA1 Message Date
Jan Käberich
047f6ce981 more flexible USB protocol for VNA settings/measurements 2022-08-06 16:22:12 +02:00
Jan Käberich
947a6b9d83 Fix further sweep timeout issues 2022-06-26 18:47:34 +02:00
Jan Käberich
6393ae7fc3 WIP: preparation for zero span mode 2022-06-20 01:02:09 +02:00
Jan Käberich
0cecaf72e5 Prevent higher frequency output spike when sweep starts at DC 2022-06-06 17:28:03 +02:00
Jan Käberich
c6ef075f4f split device info and status protocol messages 2022-04-03 20:26:30 +02:00
Jan Käberich
37d8474260 Added stages to FPGA protocol 2022-04-01 23:01:22 +02:00
Jan Käberich
c85d8e8e1f Update to STM32CubeIDE + longer settling time for point 0 2022-03-07 22:51:17 +01:00
Jan Käberich
5d8efd4336 user selectable IF frequencies 2022-01-15 16:11:33 +01:00
Jan Käberich
48d00ec172 increase frequency calculation for log sweep 2022-01-05 21:40:51 +01:00
Jan Käberich
6fd2598ae8 Log option for frequency sweep 2022-01-05 16:01:51 +01:00
Jan Käberich
e0c9f4dcee Fix fractional calculation for frequencies close to integer multiples 2021-11-13 19:32:58 +01:00
Jan Käberich
0452d2472c Improve behaviour on full USB buffer 2021-09-24 22:21:38 +02:00
Jan Käberich
220fa208e9 output amplitude unlevel check in VNA mode 2021-08-13 21:44:12 +02:00
Jan Käberich
67489084e9 basic working power sweep 2021-07-09 22:26:44 +02:00
Jan Käberich
7bc18881a5 Allow different source PLL power per sweep point, add power range to sweep 2021-07-09 22:25:54 +02:00
Jan Käberich
938f444c73 TCXO offset calibration 2021-05-01 18:34:53 +02:00
Jan Käberich
51806b936c Halt sweep when USB buffer full 2021-01-09 21:21:47 +01:00
Jan Käberich
49e0b901fd Optional harmonic mixing 2020-12-18 15:03:01 +01:00
Jan Käberich
00f0de43f2 Timeout handling in FPGA communication (better recovery from missing reference) 2020-12-15 18:03:29 +01:00
Jan Käberich
d63640d437 Cleanup of not needed code 2020-11-24 18:06:57 +01:00
Jan Käberich
ef97d54913 detect missing points + minor USB speedup 2020-11-24 16:28:57 +01:00
Jan Käberich
5b771e2a86 Tracking generator with offset + incomplete automatic source/receiver calibration 2020-11-18 19:19:29 +01:00
Jan Käberich
3055564a27 signal ID improved 2020-11-14 23:53:55 +01:00
Jan Käberich
a2389fca13 Protocol adjustment + exposing settings for DFT 2020-11-08 14:38:31 +01:00
Jan Käberich
ce475fa042 Basic DFT spectrum analysis working 2020-11-08 14:38:31 +01:00
Jan Käberich
f889ec854b Test of DFT implementation in FPGA 2020-11-08 14:38:31 +01:00
Jan Käberich
d0640e0e42 Change ADC samplerate for points at which LO feedthrough would alias 2020-10-30 19:23:34 +01:00
Jan Käberich
6bc6b1d202 Speed improvements 2020-10-03 21:56:09 +02:00
Jan Käberich
2157b3f3c4 Improved USB throughput, stimulus power up to 0dbm, fine tuning of dynamic range 2020-09-29 23:03:20 +02:00
Jan Käberich
926392e5b9 Bugfixes and speed improvements 2020-09-26 23:34:31 +02:00
Jan Käberich
d32f7a61ee Bugfix: only enable highband source once per sweep 2020-09-20 22:51:51 +02:00
Jan Käberich
57b4ebfb26 mitigation for peaks caused by limited fractional divider in PLLs 2020-09-20 10:13:06 +02:00
Jan Käberich
fc3ce7a828 Improved spectrum analyzer mode 
- Faster sweeps by changing 2.LO only when necessary and using 400kHz I2C frequency
- Added FPGA settings for selectable ADC samplerate
- Additional measurement with different ADC samplerate when signal ID is on to remove ADC images
 2020-09-17 19:54:03 +02:00
Jan Käberich
38e73365df proof-of-concept spectrum analyzer mode 2020-09-17 15:51:20 +02:00
Jan Käberich
00244022c9 Refactoring, better code encapsulation for different operating modes 2020-09-17 09:53:52 +02:00
Jan Käberich
d9d00b8c71 Windowing option added to sampling 2020-09-16 16:13:06 +02:00
Jan Käberich
de8761545d Experimental feature: only excite one port when other traces are paused 2020-09-15 23:22:08 +02:00
Jan Käberich
44124bc09e Bugfixes 
- Firmware update device reattachment
- Disconnect/connect with multiple devices
- udev rule extended
 2020-09-15 14:41:24 +02:00
Jan Käberich
4cbd60e62d Bugfixes and improvements for new hardware 2020-09-14 23:13:32 +02:00
Jan Käberich
7d9d5e27eb different settling time/samples per point in sweep 2020-09-14 11:03:37 +02:00
Jan Käberich
aae01a602e Working generator mode 2020-09-13 18:01:32 +02:00
Jan Käberich
e266d37b96 Reference control added 2020-09-12 12:17:35 +02:00
Jan Käberich
6960498fcb HAL layer for VNA functionality to use similar firmware on both hardware revisions 2020-09-11 23:08:30 +02:00
Jan Käberich
30d4ebe37b embedded code copied from jankae/VNA and adjusted for STM32G4 2020-08-24 19:06:50 +02:00