PPT-Devices and Interrupts CS 3220

Fall 2014 Hadi Esmaeilzadeh hadiccgatechedu Georgia Institute of Technology Some slides adopted from Prof Milos Prvulovic Better Devices Now SW KEY can be read Problem several instructions needed to detect change. An Integrated Approach to Architecture and Operating Systems. Chapter 4. Processor Implementation. ©Copyright 2008 Umakishore Ramachandran and William D. Leahy Jr.. Interrupts, Traps and Exceptions. of the lecture. :. Chandana. :. 1. . Introduction. 2. Example . 3. Definition . 4. Vector table and . Maskable. /. nonmaskable. interrupts . ________________________________________________. Hao. :. Interrupt Descriptor Table. Slide #. 2. IDT specified as a segment using the IDTR register . Slide #. 3. Calling the IRQ handler. Interrupt Context. Exceptions. First 32 IRQ vectors in IDT. Correspond to events generated by the CPU. Lesson 11. Arduino Interrupts. Arduino Interrupts. 1. Interrupts Overview. An interrupt is a hardware event. The processor stops what it was doing and calls the code at a specific location, determined by the type of interrupt. Design of Microprocessor-Based Systems. Mark Brehob. University of Michigan. Lecture 6 & 7: Interrupts (please bring slides again on Thursday). January 26. th. & 28. th. . Exceptions. , Traps, Faults . Lecture 5. Timer and Interrupts. Networked Embedded Systems. Pengyu. . Zhang. What time is the Apple Watch tracking?. Clock. (all the time | sec) . Alarm. (all the time | sec). Stopwatch . (when open | . Interrupts . Read . Almy. , . Chapters . 17 – 19. . . Homework #9 and Lab #9 due next week.. Exam #2 next week.. An . interrupt. is a mechanism for causing a program to temporarily suspend what it’s doing, and do something else instead.. Fall 2009. Kipp Schoenwald. Stephen . Hunte. Joseph Storey. Outline. Interrupts . Vectors and Vector Table. Flow Chart. Applications. Example 1. Example 2. Thermistors. Theory. Applications. Opto-isolators. Handling. Presented by: Group#10. Ahmad Ibrahim Fayed.. Ahmad Mohamed . Abd. el-. Fadeel. .. Akram. Ahmad Mohamed.. Hassan Mohamed.. Agenda. Exception handling.. Interrupts.. Interrupt handling schemes.. David Ferry, Chris Gill. CSE 422S - Operating Systems Organization. Washington University in St. Louis. St. Louis, MO 63130. 1. Why Interrupts?. Interrupts allow a currently executing process to be preempted. Professor Alvin R. Lebeck. Computer Science 220 / ECE 252. Fall 2008. Admin. Homework #1 Due Today. Homework #2 Assigned. Reading. H&P Chapter 2 & 3 (suggested). Research papers (not yet ready to read, but will be soon!):. Introduction to Operating Systems CPSC/ECE 3220 Fall 2019 Lecture Notes OSPP Chapter 2 – Part B (adapted by Mark Smotherman from Tom Anderson’s slides on OSPP web site) Types of Alerts to Kernel Dept. Of Electrical Engineering. IIT Goa. The 8051 . Microcontroller . and Embedded . Systems: . Using . Assembly . and. . C. Mazidi. , Mazidi . and. . McKinlay. Prof. Bidyadhar Subudhi. INTERRUPTS PROGRAMMING. disable interrupts // Must finish put on queue of threads waiting for lock set guard to 0 call switch enable interrupts else value BUSY guard 0 LockRelease Why disable interrupts N