Chris O.
Senior Member

@ WMXZ https://github.com/WMXZ-EU/MTP_t4 Missing preprocessor directives for Teensy 3.0/3.1/3.2/3.5 in MTP.h and MTP.cpp files. In MTP.cpp: about LINE #519 #if defined(__MK66FX1M0__) Replace with: #if...

Well there's some issues in MTP.h and MTP.cpp files. In MTP.cpp: about LINE #519 #if defined(__MK66FX1M0__) Replace with: #if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) ||...

// T3.0 __MK20DX128__ // T3.1 - T3.2 __MK20DX256__ // T3.5 __MK64FX512__ // T3.6 __MK66FX1M0__ #if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) I am...

This looks like it's missing define for teensy 3.1/3.2 :confused:

What you need is Bill Greiman`s library SdFat-beta Version 2. It's been awhile since I use MTP but I had to compile the code at 450 MHz CPU speed in order for this to work on Windows 10 and TENSY 4.1.