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Time Sensitive must be done my Sun 11pm central time US, Project in PLP tool 5.2 a UART Palindrome Checker

-Attached is Source file#1 [login to view URL] this file is used to print to UART and will not need to be changed.

-Attached is the Modular Skeleton file that needs to be modified in order to interact with source file #1

-After modifying Skeleton file you need to enter entry file attached into uart and it must read back yes no yes no for verification project is working.

The Task

In this project, you will be writing a program that receives a string of characters via the UART, checks if this

string is a palindrome, and then uses a print function to print either “Yes” or “No”. A palindrome sequence of

characters (typically a word or phrase) that is the same both forwards and backwards. For this project, strings

will be terminated using a period (‘.’). You may assume that a string will contain at least one character in

addition to a period. You will not need to handle empty strings or strings with only a period. Your program

should be able to handle multiple strings sent one after another or concatenated together. For example, the

string: “abba. data.” should print “Yes” followed by “No” on the next line. Spaces should be ignored when

checking for a palindrome and the palindrome should not be case sensitive. For example, “A nut for a jar of

Tuna.” would be considered a palindrome.

Print Function

A skeleton PLP project file is available to download on Blackboard. The PLP project includes a second ASM file

titled, project3_print.asm. This ASM file contains the print function used in this project. PLPTool concatenates all

ASM files within a PLP project into a single location in memory (unless additional .org statements have been

added to specify different location for code). No changes to [login to view URL] should be made.

When called, depending on the value in register $a0, the following string will be displayed on the simulated

UART device’s output. If $a0 contains a zero then “No” will be displayed and if $a0 contains a non-zero value

(e.g. one) then “Yes” will be displayed. The print function is called using the following instruction:

call project3_print

To use the print function, your PLP program needs to initialize the stack pointer ($sp) before performing the

function call (or any other operations involving the stack pointer). For this reason, the skeleton project file

includes an initialization that sets the stack pointer to 0x10fffffc (the last address of RAM).

Palindrome Checking Strategies

There are two strategies I would recommend for saving your string in in memory and checking to see if it is a

palindrome. The first would be to use only an array and keep a pointer (a register containing a memory address)

for both the first element in the array (commonly referred to as a head pointer) and last element in the array

(commonly referred to as a tail pointer). As you add elements to your array, update your tail pointer so that it

moves to the new last element in the array. When you have reached the end of your string (a period has been

received), you can perform your palindrome check comparing the characters your head and tail pointers point to

and, if they point to the same character, move them both inwards towards the center of your array. If the

pointers cross and all the characters were the same, your string was a palindrome. The second strategy would

be to use an array, treated as a queue, and the stack. You can traverse the array from the start (the first

character saved) to the end (the last character saved) while simultaneously popping characters off the stack. The

queue will give you the string forwards and the stack will give you the string backwards.

Evner: Montage, C programmering, Software Udvikling

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Om arbejdsgiveren:
( 0 bedømmelser ) Murfreesboro, United States

Projekt ID: #21376852

Tildelt til:

ganapathi92

Hi, i'm Ganapathy, I have rich experience in various microcontroller and embedded system , I have developed lots of project in PLP in fact i have same code developed for another client with problem statement, if you a Flere

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liveexperts123

Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the Flere

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umg536

Hi there, please leave a message on my chat so we can discuss the budget and deadline of the project. I have read your project description and i'm confident i can do this project for you perfectly. Thanks . .

$250 USD in 3 dage
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