hmm, that did not work...
/Users/lokki/Documents/Arduino/libraries/Trill-Arduino-master/Trill.h:19:10: fatal error: Wire1.h: No such file or directory
19 | #include "Wire1.h"
| ^~~~~~~~~
compilation terminated. </code>
the file to edit is Trill.h I guess, Trill.cpp has no Wire.h include...
I think teensy has no wire1.h file, it is all included in wire...
I take this conclusion because I can use
Wire1.setSDA(PIN_SDA);
Wire1.setSCL(PIN_SCL);
in setup with no problem, also I have other teensy projects with 4 OLED screens , that use the second i2c interface without Wire1 include...