i have the same problem with an LPC1788 (Cortex M3)
It works with multitasking! i use the i2c master! As long as I do not use the function i2c master The program works fine works But if I use the function i2c master Micro does not work!
Thank you for your help
the same problem What problem.
I2C working and operation is independent of RTX usage and works fine in LPC1788.