Teensyduino 1.55
Changes since 1.54
Support for Lockable Teensy 4.0 (beta)
kinetis.h comments added for required clock gate config on each peripheral
Fix higher temperature measure on Teensy 4.x (mjs513)
Fix USB serial transmit autoflush race condition on Teensy 4.x (thanks Frank B)
Add IMXRT fuse memory functions
NXPMotionSense add Quaternion access (Ryan Pearl)
USBHost_t36 bluetooth PS4 improvements (KurtE)
USBHost_t36 serial DTR & RTS support (KurtE)
USBHost_t36 serialemu fixes (Frank B)
Update NativeEthernet & FNET
Support for Arduino 1.8.16
Remove Arduino 1.8.14
Fix teensy_size crash with very large programs (Frank B)
Lockable Teensy support on MacOS
Fix Windows 7 communication with locked chips
File base class changed to File & FileImpl
Update SD & LittleFS for FileImpl class
Preliminary work for unusable locked chip to not stall Teensy Loader
Fix startup crash when compiled with gcc version 10 (Frank B)
Fix LittleFS_Program size (mjs513)
Improve LittleFS examples & readme (mjs513)
SdFat use MAINTAIN_FREE_CLUSTER_COUNT on 32 bit Teensy
Do not build .lst file - very slow for large code
Sketch > Export Compiled Binary now saves .ehex, if possible
Consistent startup sequence on Teensy 3 & 4
Add startup_default_middle_hook()
Fix Serial.begin() delay with serial emulation and Teensy 3
String compatibility with Arduino for C++ iterators
Fix DMAChannel triggerContinuously() on Teensy 4 (Kurt E)
Fix CCM_ANALOG_PLL_ENET define (Shawn Silverman)
Improve arm_dcache_delete() documentation
Rename LittleFS example folders
LittleFS_RAM always starts blank
Update ST7735_t3
Update TeensyThreads
Fix Teensy Loader GUI stalls with locked Teensy 4
Show .ehex filename in status bar when automatically using .ehex
Clearer messages about hex vs ehex in Verbose Info
Only show percentage flash used after connecting to real hardware
Avoid fusewrite fuse memory corruption if different key used
Improve error messages in fusewrite sketch
Consistent pin numbers in LittleFS & SD examples
Reorder MTP & HID interfaces (Kurt E)
Add LittleFS keywords (mjs513)