expresslrs ExpressLRS V3.4.0-RC2

WaF Bot · Avril 20

Changes since RC1

Fixes HoTT Telemetry requiring an external diode #2658
Debounce BOOT0 readout in the hot loop #2633
Fix for TBS Tango 2 display #2661
Save our help-and-support bretheren #2659
Fix LBT TLM #2660
add padding to buffer #2666
WORD_PADDED was returning number of words not bytes #2664
adds previousMean() to MeanAccumulator #2663
S3 flash fix for binary_flasher #2665

The important stuff

Arming must be on AUX1 for safety and feature reasons, having this fixed allows us to maintain small packet sizes and deliver better aux channel options
Be sure to flash both the TX and RX.
This is a release candidate. We have tested it using our release test plan, but there may still be bugs. Don't flash it to anything important. We appreciate the community testing.
Lua script MUST be updated to elrsV3.lua and is backwards compatible with 2.x. Firmware get it here: Lua

Compatibility

This is a feature release version (meaning it contains new features, targets and bug-fixes) and is compatible with all V3.X versions.

Who should update from V3.3?

Our 3 LBT users
PWM users
Anyone who is interested in the latest and greatest features listed below

Who should NOT update from V3.3?

No one

New Features

More detail on the below features will be added with coming RCs and the final release.

Move targets to separate repository

#2400
This allows the dev team to add new targets as soon as they have been tested/passed, if they don't require firmware changes to support them

Added serial protocols on receivers

#2408 Support Graupner HoTT telemetry sensors
#2631 HoTT Telemetry: robustness measure

ESP32-S3 target support

#2410 Support for ESP32-S3 targets
#2463 Get thermal info from S3 if no LM75A
#2472 Fix esp32s3 and backpack passthrough flashing settings
#2494 Allow flashing of the backpack on S3 via USB

PWM extensions

#2346 DShot output for PWM receivers
#2425 Configurable I2C pins for PWM capable (ESP32) receivers
#2535 PWM failsafe modes, like no-pulse, hold, and custom set position
#2624 WebUI: prevent multiple I2C SCL/SDA selections

OLED/TFT menu updates

#2322 Configurable OLED/TFT startup splash screen
#2432 Added switch-mode and Gemini settings

UDP/WiFi Joystick support

#2444 Adds a Joystick that sends data via UDP/WIFI

SPI VTx control

#2515 VTX SPI output calibration routine and initial PWM value config
#2583 Fixed VTX PWM array initialization for unified ESP32 targets

Better binding experience

#2542 Allow all binding methods on RX
#2523 Support CRSF bind command from BetaFlight / EdgeTX
#2424 RX remembers last packet rate on disconnect for faster connect

Support for non-EdgeTX handsets

#2528 PPM handset support
#2612 Fix TX module PPM input seeing spurious channels

Support for Semtech LR1121 dual-band radio

#2540 Gemini Xrossband (GemX) - LR1121 Driver
#2616 Adds LR1121 image calibration
#2617 Fix LR1121 binding (adds 2.4GHz binding)
#2618 Allow choosing the domain for LR1121 modules

Fix for LBT telemetry lost

#2643 LBT - Change TX modules to use RX mode with timeout

Support for BMP280/BME280 I2C barometers on receivers

#2480 Add BMP280/BME280 I2C barometer support

New Targets

With the separation of the targets from the main firmware repository we will list only those targets that are only supported from this release onwards.
Any new targets that have been added that can be supported by older firmware will just show up in Configurator.

Receivers

Transmitters

Add ESP8285 900MHz TX Target #2566

Maintenance

Allow SPI VTx operation without an FC, for use with planes/cars etc that do not use a flight controller #2316
Display a logo on OLED/TFT boot #2322

Fixes

Fix backpack on Gemini 900 target #2323
Disable MSP VTx after no comms on boot #2324
Bring back full 16 Channel support #2365
Work around hardware bug in ESP32-S3 SPI implementation for SPI connected VTx #2406
Add float support to Lua #2415
Fix Lua for SELECT types with only one value #2416
Various web UI fixes and improvements #2422
Hide lua backpack items if the backpack is disabled #2429
SUMD not working at packet rates above 100Hz #2478
Pin AsyncTCP to a specific version (The upstream released a broken version!) #2522
Allow screen rotation for TFT screens #2520
Disable processing MSP VTX commands if there is no SPI VTx #2525
Pick SSID with strongest RSSI in mesh networks with multiple identical SSIDs #2536
Allow setting the destination for CRSF MSP packets (fixes integration with rotorflight) #2550
Fix error when radio chip failed to read #2567
Update the wifi power levels #2568
PWM testing/fixes #2588
Increase SX1276 SyncPktIntervalDisconnected for 25Hz #2589
Add file drag-and-drop to web UI update tab #2590
Pass through handset channels if headtracking switch is off #2615
Fix "Not set" UID badge in web UI #2619
Fix antenna value for Diversity/Gemini receivers #2622

Known Issues

None

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Connexion