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Consider a system that employs a preemptive real-time OS. There are multiple threads that need to update a shared LCD display. Consider this example with two foreground threads (thread1 thread2) and one background thread (isr) that all output to a three-line LCD. Free is a global variable, initialized to 1.
The first parameter of Display is the line number, and the second parameter is a 16-bit number. You may call the two LCD_GoTo LCD_OutDec functions without writing them. Your Display function will effectively perform the following (this program has a critical section).
Rewrite this Display function to remove the critical sections. You CANNOT disable interrupts at all. You should not introduce new critical sections. You CANNOT allow threads to block or spin. If the LCD is busy, then the output is simply skipped. You may not change the thread code or the Display function prototype. Basically you will add software to this existing Display function, but not thread1, thread2, or isr.
Explain the difference between applying the Method of Sections to trusses and applying it to beams.
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Strategy formulation presupposes a set of objectives and goals.
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Moist air at 35 degree C, 3 bar, and relative humidity 30% (State 1) enters a nozzle with a velocity of 50 m/s and expands in a reversible and adiabatic process such that the moist air leaving the nozzle is about to condense (State 2). Calculate the ..
Consider a continuous-time LTI system with the input-output relation given by y (t) = t e -(t -T)X (T) dT-00
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