Command Line Interface - Control Chamber
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This document provides information about controlling a Vostron chamber remotely using a command line interface (CLI). It describes the default IP address and port used to connect via telnet, lists common commands for turning the chamber on/off, setting temperature profiles, checking temperatures and status updates. Examples are given for setting a temperature ramp and soak profile, starting the profile, and monitoring the chamber status and temperature.
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What is Command Line Interface ???
A command-line interface or
Command Language interpreter
(CLI), also known as command-
line user interface, console user
interface, and character user
interface (CUI), is a means of
interacting with a computer
program where the user (or
client) issues commands to the
program in the form of
successive lines of text
(command lines).[1]
[1] “Text mode programs (CUI: Console User Interface)” Wine User Guide. Sep 22, 2013](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Scenario/Summary
Process Management Simulation (Part 3 of 3)
The objective of this three section lab is to simulate four process management functions:
process creation, replacing the current process image with a new process image, process state transition,
and
process scheduling
.
This lab will be due over the first three weeks of this course. The commander process program is due in Week 1. This program will introduce the student to system calls and other basic operating system functions. The process manager functions
“
process creation
,
replacing the current process image with a new process image
and
process state transition
“
are due in Week 2. The scheduling section of the process manager is due in Week 3.
You will use Linux system calls such as fork( ), exec(), wait( ), pipe( ), and sleep( ). Read man pages of these system calls for details.
This simulation exercise consists of three processes running on a Linux environment:
commander
,
process manager
, and
reporter
. There is one commander process (this is the process that starts your simulation), one process manager process that is created by the commander process, and a number of reporter processes that get created by the process manager, as needed.
1. Commander Process:
The commander process first creates a pipe and then the process manager process. It then repeatedly reads commands from the standard input and passes them to the process manager process via the pipe. The commander process accepts four commands:
1.
Q
: End of one unit of time.
2.
U
: Unblock the first simulated process in blocked queue.
3.
P
: Print the current state of the system.
4.
T
: Print the average turnaround time, and terminate the system.
Command
T
can only be executed once.
1.1 Simulated Process:
Process management simulation manages the execution of simulated processes. Each simulated process is comprised of a program that manipulates the value of a single integer variable. Thus the state of a simulated process at any instant is comprised of the value of its integer variable and the value of its program counter.
A simulated process™ program consists of a sequence of instructions. There are seven types of instructions as follows:
1.
S
n: Set the value of the integer variable to n, where n is an integer.
2.
A
n: Add n to the value of the integer variable, where n is an integer.
3.
D
n: Subtract n from the value of the integer variable, where n is an integer.
4.
B
: Block this simulated process.
5.
E
: Terminate this simulated process.
6.
F
n: Create a new (simulated) process. The new (simulated) process is an exact copy of the parent (simulated) process. The new (simulated) process executes from the instruction immediately after this (
F
) instruction, while the parent (simulated) process continues its execution n instructions after the next instruction.
7.
R
filename: Replace the program of .
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Slot shifting1
Slot shifting is an algorithm that aims to provide schedulability guarantees for event-based tasks alongside periodic tasks. It works in two phases: 1) an offline phase where tasks are organized into intervals and spare capacity is calculated, and 2) an online phase where tasks are selected via EDF and intervals are updated on task completion. When a firm aperiodic task arrives, an acceptance test is run to check if it can be guaranteed, and the guarantee algorithm updates interval spare capacities without fully recomputing them.
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Command Line Interface - Control Chamber
- 1. Command Line Interface (CLI) Remotely Control Chamber Mr. Worachart Pirunruk Sr. TE CISCO RCFA
- 2. 2 What is Command Line Interface ??? A command-line interface or Command Language interpreter (CLI), also known as command- line user interface, console user interface, and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).[1] [1] “Text mode programs (CUI: Console User Interface)” Wine User Guide. Sep 22, 2013
- 3. 3 Graphic User Interface – Vostron Chamber
- 4. 4 Graphic User Interface – Vostron Chamber (Cont.) Note. Profile 1 only available to use by remote session only. It is not available for GUI control.
- 5. 5 Vostron Chamber Communication Tunnel Protocol - Telnet Default IP Address - 10.1.1.61 Default Port - 36888 Example (VB script) - /telnet 10.1.1.61 36888
- 6. 6 Command List Command Description = + Turn on = - Turn off = ptyp x Set Program type 0 = Time Based 1 = Ramp Based ? ptyp View Program Type Return 0,1 = sp1 x Set Temperature Set Point X = Temperature in Celsius ? c1 Check Current Temperature
- 7. 7 Command List (Cont.) Command Description = stp A B C D E F G H I Setting the profile Step A = Profile Number B = Step Number C = Action (0: End, 1: Ramp, 2: Soak) D = Temperature Set Point E = Hour F = Minute G = Second H = Event (Just insert *) I = Event (Just insert *) ? stp A B View The Profile A = Profile Number B = Step Number
- 8. 8 Command List (Cont.) Command Description = strt A B Starting a Profile A = Profile Number B = Step Number ? rhs Check Current Status (Run/Hold Status) Return 0: Hold, 1: Run, 2: Pre-Run
- 9. 9 Example = stp 1 1 1 55 0 30 0 * * - Set Profile 1, Step 1: Ramp to 55 C in 30 minutes = stp 1 2 2 0 0 60 0 * * - Set Profile 1, Step 2: Soak 60 minutes (For soaking, don’t have to set temperature). = + - No return value, but the chamber will turn on, and ramp to Set point temperature.
- 10. 10 Example (Cont.) = strt 1 1 - Start Profile 1, Step 1: In this case, the chamber will ramp to 55 in 30 minutes. (Beware of Program type, should set program type before start any profile.) ? rhs - After start any profile, when use this command, it will return value 1 (Run). Keep check for return value 0 (Hold). It means the profile is executed completely. Then, you could perform next process. ? c1 - 22 (Current temperate)
- 11. 11 Example (Cont.) = sp1 55 - No return value. But if the chamber is on. The chamber will start to ramp to this set point temperature based on ramp rate. It means, the chamber will ramp to target temperature as soon as it can. ? sp1 - 55 (Return current set point temperature value) = - - No return value, but the chamber will turn off, even the profile is still running.
- 12. 12