ECET 330 All Assignments
ECET 330 Week 1 iLab Part 1 Introduction to Memory Map
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Laboratory Title: Introduction to Memory Map
Submittal Date:Click here to enter a date.
Objectives:
The objective of this lab is familiarize ourselves with different factor for memory such as memory decoding and memory mapping
Give two differences between EEPROM and Flash memory.
Indicate the use of each memory in the microcontroller. In other words, state which one is used for code, program variables, and variables that must remain when the power is turned off.
State the number of address and data pins for 32Kx8 SRAM.
tate the number of address and data pins for 8Kx8 SRAM memory.
ECET 330 Week 1 iLab Part 2 Introduction to Assembly and Machine Language
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Laboratory Number: 1 (Part 2)
Laboratory Title: Introduction to Assembly and Machine Language
Submittal Date:Click here to enter a date.
Objectives:
The objectives of this part of lab 1 are to become familiarized with the cpu function as well as being exposed to basic assembly language and understanding machine language.
ECET 330 Week 2 Homework
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1. Write a simple program in which the value, $55, is added three time
2. Which of the following instructions is (are) illegal?
I. LDAA #500
II. LDAA #50
III. LDAA #$255
IV. STAA #50
V. STAA $50
VI. LDAA 6, X
3. Identify the addressing mode for each of the following.
I. STAA $2005
II. LDAA #$55
III. STAA $55
IV. CLRA
V. ADDA 0, X
4. Show the status of C and Z flags after each of the following codes.
I. LDAA #$54
ADDA #$C4
II. LDAA #01
ADDA #$FF
5. Show the status of H and N flags after the following code.
LDAA #$A1
ADDA #$0F
6. Define a byte-size and word-size variable starting at address $2000. Initialize both variables to $55. You should use ORG, DC.B, and DC.W directives.
ECET 330 Week 2 iLab Introduction to CodeWarrior
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To Install CodeWarrior
Explore the CodeWarrior IDE and the operations
Become familiar with how an assembly language program is entered and simulated using CodeWarrior
To learn how to generate a list file
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register D is $00FF. What will be the value of Registers A, B, and D after executing the instruction?
ECET 330 Week 3 iLab Introduction to Loops and Subroutines in Assembly
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Objectives:
To become familiar with conditional branch instructions
Understanding how to write loops
Understanding how to write subroutines
What does the CPU do (in terms of register contents and stack) when it executes a JSR instruction?
What does the CPU do (in terms of register values and stack) when it executes a RTS instruction?
ECET 330 Week 4 Homework
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1. Write a program to get eight-bit data from PORTA and send it to PORTB and PORTC. Make sure to define each port as input or output
2. Write a program to toggle all bits of PORTA continuously by sending $55 and $AA to it
3. Write a program to toggle PB3, PB7, and PB5 continuously without disturbing the rest of the bits. Assume that there is a delay procedure that you can call.
4. Write a program to monitor Bit PJ3, which is connected to a switch. When it is HIGH, send 55H to the output port, PORTB. You also need to define the PJ3 bit as an input port, and PORTB as an output port
5. Eight switches are connected to PORTB and eight LEDs are connected to PORTA. We would like to monitor the first two least significant bits of PORTB (use masking technique). Whenever both of these bits are set, switch all LEDs of Port A on for one second. Assume that the name of the delay subroutine is DELAY. You do not need to write the code for the delay procedure.
ECET 330 Week 4 iLab Introduction to Tower Module
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Objectives:
1.To set up the Tower System
2.Become familiar with programming and using the Tower Module
3. Become familiar with I/O port programming
Results:
I learned how to Set up the Tower Module and connect it to the PC.
Conclusions:
The Module tower has four green LEDs connected to Port T. Each LED is configured for active low operation. As this is done, it turns the LED on, when a 0 is sent to it. I also became familiar with programming and using the Tower Moduleto program I/O ports.
ECET 330 Week 5 Homework
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1. Show the value of the register and the carry after the execution of the ASLA instruction
Given the original content of Register A and carry flag 0 1 0 0 1 0 1 0 1
C
C = Register A =
2. Show the value of the register and the carry after the execution of the LSLB instruction.
Given the original content of Register B and carry flag 0 1 0 0 1 0 1 0 1
C
C = Register A =
3. Show the value of the register and the carry after the execution of theASRB instruction.
Given the original content of Register B and carry flag 1 0 1 0 0 1 0 1 0
C
C = Register A =
4. Show the value of the register and the carry after the execution of theRORA instruction.
Given the original content of Register A and carry flag 1 1 0 1 1 1 1 1 0
C
C = Register A =
5. Show how to perform 77 x 34 in the HCS12. Store the result in a WORD-size variable called var1.
6. Show how to perform 77 / 3 in the HCS12. Store the quotient in a WORD-size variable called result, and the remainder in a WORD-size variable called remainder.
7. How are the following decimal-signed numbers represented in HCS12?
ECET 330 Week 5 iLab Data Manipulation in Assembly Language
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Objectives:
Given an arithmetic equation or data conversion, develop an assembly-language algorithm to implement the correct sequence of operations.
Learn how to design assembly-language programs that require decision logic in order to accomplish their tasks.
Results
It was quite difficult to design the program because it was hard to remember all the codes.
Conclusions:
In conclusion, I now know how to write a program using assembly language when given an arithmetic equation or data conversion.
ECET 330 Week 6 Homework
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1. Write a program to continuously read the DIP switches connected to PORTA and send it to PORTB.
2. Assume that eight DIP switches are connected to PORTB and eight LEDs are connected to PORTC. Assume that the switch values are normally high. Turn all of the LEDs on and wait in a loop until one of the switches becomes zero. At that time, send 0x55 to PORTC
3. Write a C program to declare two character arrays called list1 and list2. Initialize list1 with your first and last name. Write the main code to copy list1 to list2.
4. Write a function to convert a character to uppercase (if it is lowercase) and return the character. Hint: Subtracting 0x20 from the ASCII code of a lowercase character makes it an uppercase
5. Write a C program to convert a packed BCD at Port B to ASCII and display the bytes on PORTC and PORTD.
ECET 330 Week 6 iLab Embedded C Programming Part I
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Objectives:
To learn how to write a C program using CodeWarrior IDE
To learn how to program I/O instructions in C language
To learn how to organize a C program to read data from input ports, process the data, and display the result on a simple output device
To learn how to write inline assembly language in C
When we write a C program, in some cases, we need to write some part of the code in assembly language. What do we call an assembly-language code written in a C program? Describe a situation where assembly-language code is preferred over C.
Discuss the reason why we used unsigned char for a loop counter of Problem 4 as opposed to int.
ECET 330 Week 7 Homework
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1. Is it possible to interface an IC with a different technology such as TTL to HCS12 ports? What are the conditions in terms of electrical parameters that need to be satisfied for this purpose?
2. Given an LED with a forward drop of 1.5V and an operating current of 10 mA, design the interface to the HCS12 showing your calculations
3. Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED. Use an exclusive-OR operation to toggle PB5 two times. After the function call, the code should branch to the line that monitors PB4
4. Write a program to create an array initialized with Hex digits in the ROM space. The main code should copy this array to a different array in the RAM space
5. What is the function of the enable control input of a tri-state buffer? If the output of two or more tri-state buffers is connected to each other, what is the restriction on enable control input lines? What does happen when this restriction is violated?
Q
ECET 330 Week 7 iLab Embedded C Programming Part II
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Objectives:
To become familiar with enabling internal pull-up resistors and reading an input port
To learn how to wait for a pushbutton press
To learn how to organize a C program to read data from input ports, process the data, and display the result on a simple output device
To learn how to use the ROM program space for data
Describe the code statement:
while ((PT1AD & 0xF0) != 0xF0);
What does this code do? Do we need the inner parenthesis for the code to work? Why?
When we define an array in the program ROM space, we use a const keyword. What does this keyword do? What does happen if we remove this keyword?
Comments
Content
ECET 330 Week 1 iLab Part 1 Introduction to Memory Map
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Laboratory Title: Introduction to Memory Map
Submittal Date:Click here to enter a date.
Objectives:
The objective of this lab is familiarize ourselves with different factor for memory such as memory decoding and memory mapping
Give two differences between EEPROM and Flash memory.
Indicate the use of each memory in the microcontroller. In other words, state which one is used for code, program variables, and variables that must remain when the power is turned off.
State the number of address and data pins for 32Kx8 SRAM.
tate the number of address and data pins for 8Kx8 SRAM memory.
ECET 330 Week 1 iLab Part 2 Introduction to Assembly and Machine Language
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Laboratory Number: 1 (Part 2)
Laboratory Title: Introduction to Assembly and Machine Language
Submittal Date:Click here to enter a date.
Objectives:
The objectives of this part of lab 1 are to become familiarized with the cpu function as well as being exposed to basic assembly language and understanding machine language.
ECET 330 Week 2 Homework
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1. Write a simple program in which the value, $55, is added three time
2. Which of the following instructions is (are) illegal?
I. LDAA #500
II. LDAA #50
III. LDAA #$255
IV. STAA #50
V. STAA $50
VI. LDAA 6, X
3. Identify the addressing mode for each of the following.
I. STAA $2005
II. LDAA #$55
III. STAA $55
IV. CLRA
V. ADDA 0, X
4. Show the status of C and Z flags after each of the following codes.
I. LDAA #$54
ADDA #$C4
II. LDAA #01
ADDA #$FF
5. Show the status of H and N flags after the following code.
LDAA #$A1
ADDA #$0F
6. Define a byte-size and word-size variable starting at address $2000. Initialize both variables to $55. You should use ORG, DC.B, and DC.W directives.
ECET 330 Week 2 iLab Introduction to CodeWarrior
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To Install CodeWarrior
Explore the CodeWarrior IDE and the operations
Become familiar with how an assembly language program is entered and simulated using CodeWarrior
To learn how to generate a list file
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register A is $FF and Register B is 00. What will be the value of zero flag, carry flag, Register A, Register B, and Register D after executing the instruction?
Assume that the value of Register D is $00FF. What will be the value of Registers A, B, and D after executing the instruction?
ECET 330 Week 3 iLab Introduction to Loops and Subroutines in Assembly
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Objectives:
To become familiar with conditional branch instructions
Understanding how to write loops
Understanding how to write subroutines
What does the CPU do (in terms of register contents and stack) when it executes a JSR instruction?
What does the CPU do (in terms of register values and stack) when it executes a RTS instruction?
ECET 330 Week 4 Homework
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1. Write a program to get eight-bit data from PORTA and send it to PORTB and PORTC. Make sure to define each port as input or output
2. Write a program to toggle all bits of PORTA continuously by sending $55 and $AA to it
3. Write a program to toggle PB3, PB7, and PB5 continuously without disturbing the rest of the bits. Assume that there is a delay procedure that you can call.
4. Write a program to monitor Bit PJ3, which is connected to a switch. When it is HIGH, send 55H to the output port, PORTB. You also need to define the PJ3 bit as an input port, and PORTB as an output port
5. Eight switches are connected to PORTB and eight LEDs are connected to PORTA. We would like to monitor the first two least significant bits of PORTB (use masking technique). Whenever both of these bits are set, switch all LEDs of Port A on for one second. Assume that the name of the delay subroutine is DELAY. You do not need to write the code for the delay procedure.
ECET 330 Week 4 iLab Introduction to Tower Module
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Objectives:
1.To set up the Tower System
2.Become familiar with programming and using the Tower Module
3. Become familiar with I/O port programming
Results:
I learned how to Set up the Tower Module and connect it to the PC.
Conclusions:
The Module tower has four green LEDs connected to Port T. Each LED is configured for active low operation. As this is done, it turns the LED on, when a 0 is sent to it. I also became familiar with programming and using the Tower Moduleto program I/O ports.
ECET 330 Week 5 Homework
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1. Show the value of the register and the carry after the execution of the ASLA instruction
Given the original content of Register A and carry flag 0 1 0 0 1 0 1 0 1
C
C = Register A =
2. Show the value of the register and the carry after the execution of the LSLB instruction.
Given the original content of Register B and carry flag 0 1 0 0 1 0 1 0 1
C
C = Register A =
3. Show the value of the register and the carry after the execution of theASRB instruction.
Given the original content of Register B and carry flag 1 0 1 0 0 1 0 1 0
C
C = Register A =
4. Show the value of the register and the carry after the execution of theRORA instruction.
Given the original content of Register A and carry flag 1 1 0 1 1 1 1 1 0
C
C = Register A =
5. Show how to perform 77 x 34 in the HCS12. Store the result in a WORD-size variable called var1.
6. Show how to perform 77 / 3 in the HCS12. Store the quotient in a WORD-size variable called result, and the remainder in a WORD-size variable called remainder.
7. How are the following decimal-signed numbers represented in HCS12?
ECET 330 Week 5 iLab Data Manipulation in Assembly Language
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Objectives:
Given an arithmetic equation or data conversion, develop an assembly-language algorithm to implement the correct sequence of operations.
Learn how to design assembly-language programs that require decision logic in order to accomplish their tasks.
Results
It was quite difficult to design the program because it was hard to remember all the codes.
Conclusions:
In conclusion, I now know how to write a program using assembly language when given an arithmetic equation or data conversion.
ECET 330 Week 6 Homework
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1. Write a program to continuously read the DIP switches connected to PORTA and send it to PORTB.
2. Assume that eight DIP switches are connected to PORTB and eight LEDs are connected to PORTC. Assume that the switch values are normally high. Turn all of the LEDs on and wait in a loop until one of the switches becomes zero. At that time, send 0x55 to PORTC
3. Write a C program to declare two character arrays called list1 and list2. Initialize list1 with your first and last name. Write the main code to copy list1 to list2.
4. Write a function to convert a character to uppercase (if it is lowercase) and return the character. Hint: Subtracting 0x20 from the ASCII code of a lowercase character makes it an uppercase
5. Write a C program to convert a packed BCD at Port B to ASCII and display the bytes on PORTC and PORTD.
ECET 330 Week 6 iLab Embedded C Programming Part I
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Objectives:
To learn how to write a C program using CodeWarrior IDE
To learn how to program I/O instructions in C language
To learn how to organize a C program to read data from input ports, process the data, and display the result on a simple output device
To learn how to write inline assembly language in C
When we write a C program, in some cases, we need to write some part of the code in assembly language. What do we call an assembly-language code written in a C program? Describe a situation where assembly-language code is preferred over C.
Discuss the reason why we used unsigned char for a loop counter of Problem 4 as opposed to int.
ECET 330 Week 7 Homework
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1. Is it possible to interface an IC with a different technology such as TTL to HCS12 ports? What are the conditions in terms of electrical parameters that need to be satisfied for this purpose?
2. Given an LED with a forward drop of 1.5V and an operating current of 10 mA, design the interface to the HCS12 showing your calculations
3. Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED. Use an exclusive-OR operation to toggle PB5 two times. After the function call, the code should branch to the line that monitors PB4
4. Write a program to create an array initialized with Hex digits in the ROM space. The main code should copy this array to a different array in the RAM space
5. What is the function of the enable control input of a tri-state buffer? If the output of two or more tri-state buffers is connected to each other, what is the restriction on enable control input lines? What does happen when this restriction is violated?
Q
ECET 330 Week 7 iLab Embedded C Programming Part II
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Objectives:
To become familiar with enabling internal pull-up resistors and reading an input port
To learn how to wait for a pushbutton press
To learn how to organize a C program to read data from input ports, process the data, and display the result on a simple output device
To learn how to use the ROM program space for data
Describe the code statement:
while ((PT1AD & 0xF0) != 0xF0);
What does this code do? Do we need the inner parenthesis for the code to work? Why?
When we define an array in the program ROM space, we use a const keyword. What does this keyword do? What does happen if we remove this keyword?
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