teensy-core-4.1

Teensy 4.1 core updated for C++20

Chris Dailey 976406ee6b Fix macro typo in imxrt for HW_OCOTP_MEM1. Looks like the macro was defined with a space instead of an underscore, breaking the intended macro name.		4 lat temu
.github	Update issue template	7 lat temu
teensy	Don't define true & false with stdbool.h included	5 lat temu
teensy3	Update MTP descriptors for Teensy 4	4 lat temu
teensy4	Fix macro typo in imxrt for HW_OCOTP_MEM1.	4 lat temu
usb_disk	Add define guards to allow compiler flags to change product name/serial number	7 lat temu
usb_flightsim	usb_flightsim changes for XPlaneRefs with names >58 chars	9 lat temu
usb_hid	Add bcdDevice info to help teensy_ports identify models	6 lat temu
usb_midi	Add comments for USB MIDI 32 bit format data format	5 lat temu
usb_rawhid	Add define guards to allow compiler flags to change product name/serial number	7 lat temu
usb_serial	Add bcdDevice info to help teensy_ports identify models	6 lat temu
usb_serial_hid	Add bcdDevice info to help teensy_ports identify models	6 lat temu
.gitignore	Add more rules to .gitignore	10 lat temu
README.md	Update readme	5 lat temu
keywords.txt	Add EXTMEM keyword	4 lat temu

Teensy 2.0, LC, 3.x, 4.x core libraries for Arduino.

The latest stable version of Teensy’s core library is always available in the Teensyduino installer, at this page: