| OS_NSEC_TO_CYCLES | ... | Converts from nanoseconds to CPU count register cycles |
| OS_USEC_TO_CYCLES | ... | Converts from microseconds to CPU count register cycles |
| OS_CYCLES_TO_NSEC | ... | Converts from CPU count register cycles to nanoseconds |
| OS_CYCLES_TO_USEC | ... | Converts from CPU count register cycles to microseconds |
| osGetTime | ... | Gets the value of the real time counter. |
| osSetTime | ... | Sets the value of the real time counter. |
| osSetTimer | ... | Sets interval/countdown timer. |
| osStopTimer | ... | Stops interval/countdown timer. |