ec1404esdlabmanual

Department of ECE

EC1404 Embedded Systems Laboratory

IV YEAR ECE

CONTENTS

Ex. No Name of the Experiment1 Multiplication in ARM Processor2 System design using FPGA3 Read toggle switches in ARM processor4 Displaying two different tasks on LCD using arm

5 Implementation of FSM using FPGA 6 Interrupt performance characteristics of arm and FPGA7 Hardware and software partitioning using arm and FPGA8 Implementation of wireless communication protocol using

Zigbee wireless module

Ex.NO:1 MULTIPLICATION IN ARM PROCESSORAIM: To multiply two 32-bit numbers and to display it on LCD using ARM processorAPPARATUS REQUIRED:

1. ARM Evaluation board –NXP LPC21482. 5V/2A Adapter3. USB Cable

SOFTWARE REQUIRED:1. Embest IDE2. Flash Magic

ALGORITHM:Step1: Intialize LCD.Step2: Call the routine Message_Display1 to display message “Multiplication” on

line 1 of the LCD. Step3: Place the 32 bit numbers to be multiplied in registers R1 and R2.Step4: a. Multiply the numbers and display the 32 bit result in the line 2of the

LCD.b. Halt.

PROCEDURE:1. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D:/ in ARM and give project name.2. Copy the following files from the ‘include files for 2148’ and paste it in the new workspace folder.

vector.s Flash.Id LCD.s

3. Create a new file and type the main program in assembly language.4. Save the program as ‘filename.s’ in the new workspace.5. Add filename.s and vector.s files to the project source file. 6. Set the project settings. (Project->settings)(i)Processor

CPU Module: ARM 7 Family: ARM 7 Member: ARM 7 Build tools: GNU tools for ARM

(ii) Remote Remote Device: SimARM7

(iii)Compiler Category->Target specific options

o Select little Indian mode

o Specify the name of target CPU: ARM7TDMI(iv) Assembler

Category ->Target specific optionso Select little Indian mode

(v)Linker Category->Image entry options

o Select vector.o file Category->Code generation options

o Select little Indian objects Category ->General

o Select the Linker script file Flash.Id from the new workspace. Click ‘OK’ to save the project settings.7. Build the project.

Select Build -> rebuild all8. Check “Commands Successfully Executed” in output window which ensures that the program is executed with no errors.9. Select tools -> Elf to Hex and .hex file is created. Downloading:Open Flash magic Software1. Select the ‘communications’ parameters

Comport : COM 3Baud rate : 38400Device : LPC2148Interface : NoneOscillator Frequency(MHz) : 10.000000

2. Select .hex file from the project.3. Switch on the kit.4. Switch JP3 to the program mode so that LED glows and press reset once.5. Click ‘start’ to download the program into the kit.6. Switch JP3 to the execute mode and press reset again.7. The result is displayed on 2 line LCD module.

RESULT: Thus the result of multiplication of two 32-bit numbers is displayed on the LCD module.“Multiplication”“00000006”

EX.NO:2 CONVERSION OF BINARY NUMBERS USING FPGA

AIM: To convert a binary number to octal, decimal, hexadecimal using FPGA and to display it on a seven segment display.

APPARTUS REQUIRED:1. Xilinx tool and Spartan-3 FPGA kit.

PROCEDURE:(i) ) Start the xilinx project navigator . Start -> programs -> xilinx ISE8.1i.(ii) Create a new project .file -> new project -> specify name -> next.(iii) Create a VHD file. Project -> new source -> verilog module

Give name to the module and then click ok (iv) Write the verilog code in the VHDL editor. (v) To check syntax. Click on fpga device -> process window -> synthesize -> Check syntax and remove errors. (vi) Create constraint file a. Go to implementation constrain file and give a file name and click ok. b. User constrain-> assign package pins c. Save pin assignment and make XST default and click ok. (vii) Implement the design a. Perform implement design. Run translate .map, place and route. b. Generate programming file and them configure device using impact and click finish. c. Select file name .bit and we get identity succeeded. d. Download the program and verify it. RESULT: Thus binary number is converted to octal, decimal and hexadecimal using FPGA and displayed on a seven segment display.

Ex.NO:3 READ TOGGLE SWITCHES IN ARM PROCESSOR

AIM: To read the toggle switch values and display them on point LEDs using ARM processor.

APPARATUS REQUIRED:4. ARM Evaluation board –NXP LPC21485. 5V/2A Adapter6. USB Cable


ALGORITHM:Step1: Initialize IO port lines.Step2: Initialize P0.19 (A0), P0.22 (A2) as output port. These three lines are the control lines to the decoder, used to generate the chip enable signal for the Point LEDs and the toggle switches. These lines are called as address lines.Step3:a.Initialize data lines P1.16 (DB0) to P1.23 (DB7) 0000as input lines.b. Set the address lines as A1=0, A2=0 and toggle the address line A0 from 0 to 1, to enable the buffer connected to the switches.c. Read the data from the Data bus.Step4: a. Initialize data lines P1.16 (DB0) to P1.23 (DB7) as output lines.b. Write the data read from the switches to the data bus for LEDs.c. Set the address lines as A0=0, A1=0 and A2=0 to enable the latch connected to the LEDs. Step5: Repeat from step 3.

PROCEDURE:1. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D:/ in ARM and give project name. 2. Copy the following files from the ‘include files for 2148’ and paste it in the new workspace folder.

vector.s Flash.Id LCD.s LPC214x.h

3. Create a new file and type the main program in C language.4. Save the program as ‘filename.c’ in the new workspace.5. Add filename.c and vector.s files to the project source file. 6. Set the project settings. (Project->settings)(i)Processor

CPU Module: ARM 7 Family: ARM 7

Member: ARM 7 Build tools: GNU tools for ARM



o Select little Indian modeo Specify the name of target CPU: ARM7TDMI

(iv) Assembler Category ->Target specific options

o Select little Indian mode(v)Linker

Category->Image entry optionso Select vector.o file

Category->Code generation options o Select little Indian objects

Category ->Generalo Select the Linker script file Flash.Id from the new workspace.

Click ‘OK’ to save the project settings.7. Build the project.

Select Build -> rebuild all8. Check “Commands Successfully Executed” in the output window which ensures that the program is executed with no errors.9. Select tools -> Elf to Hex and .hex file is created. Downloading:Open Flash magic Software1. Select the ‘communications’ parameters


2. Select .hex file from the project.3. Switch on the kit.4. Switch JP3 to the program mode so that LED glows and press reset once.5. Click ‘start’ to download the program into the kit.6. Switch JP3 to the execute mode and press reset again.7. The point LEDs glow according to the toggle switch positions.RESULT: Thus the toggle switch positions are read and displayed on the point LEDs sequentially.

SWITCH POSITION LEDHIGH ONLOW OFF

EX.NO:4 DISPLAYING TWO DIFFERENT TASKS ON LCD USING ARM

AIM: To display two different tasks on LCD using ARM7 processor

APPARATUS REQUIRED:7. ARM Evaluation board –NXP LPC21488. 5V/2A Adapter9. USB Cable


PROCEDURE:1. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D:/ in ARM and give project name. 2. Copy the following files from the ‘include files for 2148’ and paste it in the new workspace folder.

vector.s flash.id def.h ucos_ii.h frmwrk.h includes.h lpc214x.h os_cfg.h RTOS_Lib_Lib os_cpu.h











Category ->Include object and library moduleso Create a new module path and include RTOS library file from the

workspace.o Create two new entries and enter –lc and –lgcc.

Category-> add library searching patho Create two new entries include following files

C:\Embest IDE\Build\Xgcc_arm elf\arm elf\lib C:\Embest IDE\Build\Xgcc_arm elf\lib\gcc\lib\arm elf\3.0.2




2. Select .hex file from the project.3. Switch on the kit.4. Switch JP3 to the program mode so that LED glows and press reset once.5. Click ‘start’ to download the program into the kit.6. Switch JP3 to the execute mode and press reset again.7. A UP counter in Task 1 is displayed on Line 1 of LCD and a DOWN counter in Task 2 is displayed on Line 2 of LCD.

RESULT:Thus the two different tasks of UP and DOWN counter are displayed on

2 line LCD using ARM7 processor. “Mesg Task1: 0005”“Mesg Task2: FFF4”

EX.No:5 IMPLEMENTATION OF FSM USING FPGA

AIM: To create a FSM with the following given specification and to implement it on FPGA.SPECIFICATION:

a) A 3-bit ripple counter and a determined sequence counter of sequence 0,1,3,5,7,0 have to be combined in a design which switches among themselves according to the select input.

b) During the selection of determined sequence counter if the present state is not available in the given determined sequence the count values has to move to the next nearest value independent of the pulse.

SOFTWARE AND HARDWARE REQUIREMENTS:Synthesis tool : Xilinx 8.2iFPGA kit : SPARTAN-3

PROCEDURE:(i) Start the xilinx project navigator . Start -> programs -> xilinx ISE8.1i.(ii) Create a new project .file -> new project -> specify name -> next.(iii) Create a VHD file. Project -> new source -> verilog module

Give name to the module and then click ok (iv) Write the verilog code in the VHDL editor. (v) To check syntax. Click on fpga device -> process window -> synthesize -> Check syntax and remove errors. (vi) Create constraint file a. Go to implementation constrain file and give a file name and click ok. b. User constrain-> assign package pins c. Save pin assignment and make XST default and click ok. (vii) Implement the design a. Perform implement design. Run translate .map, place and route. b. Generate programming file and them configure device using impact and click finish. c. Select file name .bit and we get identity succeeded. d. Download the program.

RESULT: Thus a FSM with given specification is created and implemented on FPGA.

EX.NO:6 INTERRUPT PERFORMANCE CHARACTERISTICS OF ARM AND FPGAAIM: To study the interrupt performance characteristics of ARM and FPGA and determine their efficiencyAPPARATUS REQUIRED:

10.ARM (LPC2148)+ FPGA(Spartan-3E [XC3S250E] ) Evaluation board 11.5V/2A Adapter12.USB Cable

SOFTWARE REQUIRED:7. Embest IDE8. Flash Magic9. Xilinx 8.2i10. Top view programmer – Xilinx Application software

PROCEDURE:ARM:1. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D:/ in ARM and give project name. 2. Copy the following files from the ‘include files for 2148’ and paste it in the

new workspace folder. vector.s Flash.Id LCD.s LPC214x.h














2. Select .hex file from the project.3. Switch on the kit.4. Switch JP3 to the program mode so that LED glows and press reset once.5. Click ‘start’ to download the program into the kit.6. Switch JP3 to the execute mode and press reset again.

7. The point LEDs glow according to the toggle switch positions.

OBSERVATION : PARAMETER FPGA ARMInterrupt clock frequency upto 400KHz

Count all interrupt pulses


Interrupt clock frequency more than 400KHz


Misses some interrupt pulses

RESULT: Thus the interrupt performance characteristics of ARM and FPGA are studied. On comparison, ARM counts at slow speed because it consumes more instruction cycles and FPGA is more efficient for servicing and processing external interrupt pulses.

EX.No:7 HARDWARE AND SOFTWARE PARTITIONING USING ARM AND FPGA

AIM: To partition the hardware and software using ARM7LPC2148 and Spartan 3 FPGA.

APPARATUS REQUIRED: 1.ARM7 LPC21482.Sparten 3FPGA

PROCEDURE:ARM:1. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D: / in ARM and give project name.2. Open ARM_FPGA files. Select arm -> Partition example(2).

3. Copy the files flash.id ,LPC2148,Get ADC input, vector, arm board and paste in our project in D:\ARM 4. Add ADC input and vector files in our project and save the workspace. 5. Select project -> settings and perform the following.6. Change the settings Project->settings(i)Processor CPU Module: ARM 7Family: ARM 7Member: ARM 7Build tools: GNU tools for ARM(ii) RemoteRemote Device: SimARM7(iii)CompilerCategory->Target specific optionsSelect little Indian modeSpecify the name of target CPU: ARM7TDMI(iv) AssemblerCategory ->target specific optionsSelect little Indian mode(v)LinkerCategory->Image entry optionsSelect vector.s fileCategory->Code generation options Select little Indian objectsCategory ->GeneralLink script files open Flash Id from the project. Give ‘OK’ for the settings.(vi) Select Build -> rebuild allWe get “Commands Successfully Executed” which ensures that program is executed and there is no error.(vii)Select tools -> Elf to Hex and hex file is created. Downloading:(i)Open Flash magic Software Check the port baud rate etc.,Comport: COM 3Baud rate: 38400Device: LPC2148Interface: None(ii)Select hex file from the project (iii)Switch on the kit and switch it on to the program mode so that LED glows.(iv)Press reset in kit(v)Click start for downloading in system so that the program is downloaded to kit.

FPGA:1. Open the xilinx8.1i and create a new project with appropriate specification.2. Open ARM_FPGA files and select FPGA_92i ->partition example1 and copy .UCF and .VHD files.3. Copy .UCF file and .VHD files and paste in our xilinx file.

4. In xilinx add source, add UCF and VHD files.5. Perform check syntax, synthesize XST, implement design and generate programming file.6. Right click to add xilinx device and add .bit file.7. Click read arm. Bit file and change file type as XSVF file. Create a XSVF file. Give file name and source it.8. Right click -> program ->click ok. We will get program succeeded.9. Select readarm.bit and select XSVF output file and click stop writing file.10. Open FE top view programmer from the desktop and add XSVF file to our file. Click reset on FPGA When the stops blinking stops click configure.11. Move the arm to execution mode and click reset to view the corresponding output.

RESULT: Thus the partitioning the hardware and software using ARM7LPC2148 and sparten3 FPGA is performance

EX.NO:8IMPLEMENTATION OF WIRELESS COMMUNICATION PROTOCOL USING ZIGBEE WIRELESS MODULE

AIM: To implement wireless communication protocol using zigbee wireless module

Hardware required: ARM wireless sensor network trainer

Software required: EmbestIDE,flah magic

PROCEDURE:1. Create a new file in the local disk D:/ of computer.2. Open Embest IDE software and create a new work space. EmbestIDE ->File->new work space->browse->open the saved file from D:/ in ARM and give project name.3.From the ARM files for copy the nessary files in the project created and paste in D:/.4. Add file transmit msg,vector.s and flash.id files to the project source file. 5. Change the settings Project->settings(i)Processor CPU Module: ARM 7Family: ARM 7Member: ARM 7Build tools: GNU tools for ARM(ii) RemoteRemote Device: SimARM7(iii)CompilerCategory->Target specific optionsSelect little Indian modeSpecify the name of target CPU: ARM7TDMI(iv) AssemblerCategory ->target specific optionsSelect little Indian mode(v)LinkerCategory->Image entry optionsSelect vector.s fileCategory->Code generation options Select little Indian objectsCategory ->GeneralLink script files open Flash Id from the project. Give ‘OK’ for the settings.Category ->Include object and library modulesCreate a new file.D:\arm\project name\RTOS\RTOS_lib.libCreate a new file by typing –lcCreate a new file by typing –lgccCategory-> add library searching path.C:\Embest IDE\Build\Xgcc_arm elf\arm elf\libC:\Embest IDE\Build\Xgcc_arm elf\lib\gcc\lib\arm elf\3.0.2(vi) click ok and save source the workspace. (vii)Select Build -> rebuild allWe get “Commands Successfully Executed” which ensures that program is executed and there is no error.(viii)Select tools -> Elf to Hex and hex file is created. Downloading:(i)Open Flash magic Software Check the port baud rate etc.,Comport: COM 3Baud rate: 38400

Device: LPC2148Interface: None(ii)Select hex file of browse Zigbee transmit message file.(iii) reset the kit and set it in programming mode and click start. (iv)Note the kit which acts as transmitter after setting to execution mode.(v)Select COM 7 and browse zigbee receive message file.(vi) Reset the kit after setting in programming mode and click start. (vii) After finish select execution mode in kit and press reset.(viii) Note which acys as receiver and keep the kit back in programming mode.(ix) Select COM 3 and select zigbee experiment2.hex file.(x) Set the kits in programming mode and reset the kit.clck start.(xi) After finish set the receiver in executon mode and then set the transmitter in execution mode and press reset.(xii) check if the message has been transmitted to the receiver.

RESULT: Thus the wireless communication protocol using zigbee wireless module is implemented.

Date post:	27-Oct-2014
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