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The tick Interrupt Service Routine (ISR) must call this function every time a tick interrupt occurs. μC/OS-III uses this function to update time delays and timeouts used by other system calls. OSTimeTick() is considered an internal function to μC/OS-III.
OSTimeDynTick() – Signal multiple Clock Ticks (Dynamic Tick Mode Only)
The dynamic tick Interrupt Service Routine (ISR) must call this function with the number of ticks that have elapsed since the last time the timer was programmed. μC/OS-III uses this function to update time delays and timeouts used by other system calls. OSTimeDynTick() is considered an internal function to μC/OS-III.