Programmable Interval Timer: Difference between revisions
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===Using the IRQ for Preemptive Multitasking=== |
===Using the IRQ for Preemptive Multitasking=== |
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The timer IRQ can also be used to perform preemptive multitasking. To give the currently running task some time to run, set a threshold, for example of 3 ticks. Use a global variable like the one before but go up from 0, and when that variable hits 3, switch tasks. How you do so is up to you. |
The timer IRQ can also be used to perform preemptive multitasking. To give the currently running task some time to run, set a threshold, for example of 3 ticks. Use a global variable like the one before but go up from 0, and when that variable hits 3, switch tasks. How you do so is up to you. |
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== See Also == |
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=== Articles === |
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* [[Time And Date]] |
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[[Category:Common Devices]] |
[[Category:Common Devices]] |
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