10-Aug-23 version 1.4.2
- REST API update to 1.2
- Signal timer added
- Gain lowered to -60 dB when USB cable is disconnected with an active microphone
- Fixed potential problem during software update
17-May-23 version 1.3.0
- Display proper image name (2755, 2755A, 2755T) in About - Version info
- Fixed hamburger menu for iOS (#4)
- Fixed only a single channel working on USB with TRS set to SE (#1)
- Display serial number in device type select prompt of 2755Z image (#2)
- Fixed spontaneous resets when changing network setup (#3, #14)
- Fixed software update (with redirect) (#6)
- Allow multi file select for upload (#11)
10-Jan-23 version 1.2.3
- Fixed device reset when clicking on empty list in menu
- Fixed BNC to USB signal routing delay
- Changed shuttle knob handling for HW version > 9
- Reduced fan time-constant
26-Jul-22 version 1.1.2
- Fixed problem with Phantom and IEPE power prompt
18-May-22 version 1.1.1
- API update to v1.1
- Expanded the api available via the websocket (see docs)
17-Mar-22 version 1.1.0
- Small improvement in Gain knob handling
- Fixed LED color for rightmost button in 4250 mode
- Fixed dual VU meter channel assignement
- Fixed VU meter update after switching to menu and back again
5-Mar-22 version 1.0.0
- Fixed 'label' in settings API
23-Feb-22 version 0.9.0
- Removed WiFi region menu item
12-Jan-22 version 0.6.3
- Reduce random pixels appearing in options lists
- Fixed display artifacts in VU meter
- Updated 'Legal Notices' QR code
- Implemented new Wifi region selection page
- Added Wifi region selection to SWINIT version
- Test/Meters page exit with a single short click
- Timed updates for Test/Memory page
- Added open socket counts to Test/Memory page
- Added text fields to mDNS service definition
- Network is no longer 'forgotten' after an authentication failure
- Added websocket server for gain and playback updates (see API v1.0)
- Websocket connection is indicated by color of Webapp captions
- Replaced HTTP to HTTPS redirects with a functional HTTP server
- Disabled AMPDU and AMSDU on Wifi interface to improve response times
- Improved tracking of LSP impedance changes for LSP compression compensation
- Reduced stack sizes of several task and increased file server priority and buffer size
- Update to Espressif SDK 4.3.2
28-Sep-21 version 0.5.8
- Added Bluetooth Sp and Ss commands for signal playback/stop
22-Sep-21 version 0.5.7
- Added Presets page to webapp for selecting a predefined setup
- Added Signals page to webapp for selecting, deleting and adding user signals
9-Sep-21 version 0.5.6
- Updated QR codes
- Moved gain lock option to Output menu
- Fixed slow reaction to signal stop in constant power mode
- Moved slave communications to core 1
- Increased signal playback priorities on core 1
- Increased CPLD comms priority to just above the webserver
- Webserver sockets are no longer closed when an error occurs
- Remove network checks when WiFi is turned off
- Display a message when trying to connect with WiFi turned off
- Increased maximum number of hotspot connections to 2
2-Sep-21 version 0.5.5
- Changes to memory allocation strategy
- Increased the number of WiFi and TCP buffers
- Decreased OS tick frequency
- Added half-baked Presets and Signals pages to WebApp
- Changed Test/Memory display
21-Aug-21 version 0.5.3
- Fixed 'play' value in GET /api/signal/playback
- Fixed HTTP status returned for several POST commands
- Webserver task priority increased
- Allocate mbed_TLS memory from internal RAM
9-Jul-21 version 0.5.2
- Added '4250 VVS' mode in addition to the default '4292-L' mode
- New mode icons
- Added 'mode' option to api/settings
- Implemented new signals for narrowband noise and VVS mode
- Implemented the lock mechanism on gain settings via the API
- Lock display shortened from 2000 to 300 ms
- Added Network - Info page
- The selected option is always visible in option lists
- Extended options lists now have up/down arrows
- Added Test - Memory page (only available with test bit set)
- Delayed error signalling to prevent race with shutdown message display
- Renamed menu item 'Hotspot' to 'Hotspot password'
- 'Forget' network if there is an authentication failure
- Added api/scale for signal scaling
- REST API version update to 0.8
- Added HBK logo as favicon on webpage
- SDK update to 4.3 - major changes in WiFi code
- Added http redirect server
- Removed use of WiFi TKIP cipher
- Only allow a single connection in hotspot mode
- Improved compression compensation algorithm startup behavior
- Compression compensation now depends on signal type
- Prevent discontinuity when changing PID parameter
- Finetuned fast PID parameters
- Fixed bass and treble filters not being set on second channel
22-Apr-21 version 0.4.16
- WiFi mode setting now reflects actual mode
- Fixed memory leaks in WiFi connect code
- Scaling and soft-clipping on band filtered noise
- Stop and restart playback if user signal is changed
- Fixed Output mode 4 (Single-ended ch.1+2)
- SDK update to 3.3.5
13-Apr-21 version 0.4.11
- Fine-tuned levels of narrow band noise
- Fixed single ended channel 1/2 VU meter
13-Apr-21 version 0.4.10
- Lock display when signal buttons pressed while locked
- The "Startup" preset is activated when the amplifer is turned on
- Octave band noise has a somewhat widened frequency range
- Proper scaling of narrow band noise
04-Apr-21 version 0.4.9
- Fixed bandlimited noise playback
- Disabled signal buttons when locked
15-Mar-21 version 0.4.8
- Fixed handling of Bluetooth 'Wsp?' command
04-Mar-21 version 0.4.7
- Adjusted power compression compensation control limit
03-Mar-21 version 0.4.6
- Improved power compression compensation
04-Mar-20 version 0.1.1
- Implemented Over-The-Air updates