Industrialtraining

14 %
86 %
Information about Industrialtraining

Published on October 28, 2016

Author: RakeshThakur39

Source: slideshare.net

1. REPORT ON INDUSTRIAL TRAINING TRAINING IN EMBEDDED SYSTEM @ CMC ACADEMY NEW DELHI A TATA ENTERPRISE SUBMITTED BY: RAKESH KUMAR THAKUR Department Of Electronics and Communication Jawaharlal Nehru Government Engineering College, Sundernagar

2. S. NO. CONTENT 1 EMBEDDED SYSTEM 2 CONTROLLING UNIT 3 MICROCONTROLLER 4 8051 5 AVR 6 ATMEGA 16 7 PROJECT INDEX

3.  EMBEDDED SYSYTEM :  HIDDEN ARCHITECTURE  An architecture used to perform a particular task that is hidden;  TO BUILD SET OF INSTRUCTION  Perform a user defined task by accepting instruction from user  HARDWARE AND SOFTWARE  Combination of computer hardware and software which is designed to perform many operations  TECHNOLOGY AND OUTPUT  Technology used to produce a desired output

4.  Controlling Unit :  Microprocessor  e.g. Intel 8085; Intel Pentium;  Microcontroller  e.g. 8051; AVR; ARM;PIC;  Digital Signal Processor  ASIC / ASIP (Application specific integrated controller/processor)  e.g. IC 555;

5.  MICROCONTROLLER  No. of Bits :  4;8;16;32;  Memory Devices :  Embedded and External;  Instruction Set :  CISC and RISC  Architecture :  Princeton (Von Neumann) and Harvard  Little vs Big Indian:

6.  8051  4KB ROM  128 B RAM  Four 8-bit I/O ports  Two 8/16 bit timers  Serial port  64K external code memory space  64K data memory space  Multiple internal and external interrupt sources

7.  Comparison of 8031/8032;8051;8052 : 8031/8032 8051 8052 ROM 0 KB 4KB 8KB RAM 128B 128B 256B TIMERS 2 2 3 INTERRUPTS 6 6 8 NO OF I/O PINS 32 32 32 STACK POINTER 8 BIT 8 BIT 8 BIT PROGRAM COUNTER 16 BIT 16 BIT 16 BIT ADDRESS BUS 16 BIT 16 BIT 16 BIT MAX ADDRESSABLE MEMORY 64KB 64KB 64KB

8.  PIN DIAGRAM Port x(0,1,2,3) : used an i/o pins Vcc : used for dc supply (+5V) Gnd : used for providing ground XTAL1,2 : used to connect oscillator ALE : Address Latch Enable EA : External Access PSEN : Program Status Enable RST : Reset RxD : Serial reception TxD : Serial Transmission INT : Interrupt T0,1: External Timer A : Address lines D : Data Lines

9.  INTERFACING : LED INTERFACING 7 SEGMENT INTERFACING

10.  AVR (ADVANCED VIRTUAL RISC MACHINE)  AVR architecture conceived by two students at the Norwegian Institute of Technology Alf-Egil Bogen and Vegard Wollan  Devices range from 1 to 512KB  Pin count range from 8 to 128  One instruction per external clock

11.  ATMEL TECHNOLOGIES: TINY MEGA XMEGA PINS 6-28 28-60 60-128 MEMORY 1-8 KB 8-64 KB 64-512KB LANGUAGE C & ASSEMBLY C & ASM & JESSEL & GUI &OPEN SOURCE ALL LANGUAGE APPLICATION SMALL APPLICATION LOW & HIGH APPLICATION SPECIAL APPLICATION (HIGH PROCESSING)

12.  ATMEGA 16 :  8-bit microcontroller based on the AVR RISC architecture  One instruction per external clock (16MHZ for 16MIPS)  32 x 8 General Purpose Working Registers  Six ADC channels  Internal Calibrated Oscillator  16KB of Flash program memory  512B EEPROM (Electrically Erasable Programmable Read Only Memory)  1KB Static RAM (Random Access Memory)

13.  REGISTER USED :  PORT X (X : A;B;C;D;E;F;G;H)  SHIFT REGISTER (<<;>>)  USART  UDR (USART Data Registers)  USART Control & Status Registers  UCSRA  UCSRB  UCSRC  USART Baud Rate Registers  UBRRH  UBRRL

14.  PIN DIAGRAM : P x(A,B,C,D) : used an i/o pins Vcc : used for dc supply (+5V) Gnd : used for providing ground XTAL1,2 : used to connect oscillator ALE : Address Latch Enable EA : External Access PSEN : Program Status Enable RST : Reset RxD : Serial reception TxD : Serial Transmission INT : Interrupt T0,1: External Timer A : Address lines D : Data Lines

15.  INTERFACING : MOTOR INTERFACING KEYPAD & LCD INTERFACING

16.  Wireless Voice Controlled Robot :  Focus on controlling motion of robot using voice ;  Microcontroller used is AT Mega 16;  Serial transmission of data using Bluetooth;  Bluetooth App used for Data Fetching and Transmitting Data;  Similar project can be used in Home automation and using GSM Modem can be used at long range;

17.  Schematic Diagram :

18.  Programming : #include <avr/io.h> #include <util/delay.h> #define rs PB0 #define rw PB1 #define en PB2 #define s1 PC3 #define s2 PC4 #define s3 PC5 #define l1 PB4 #define l2 PB5 #define l3 PB6 #define l4 PB7 void lcmd(int a) { PORTA=a; PORTB&=~(1<<rs); PORTB&=~(1<<rw); PORTB|=(1<<en); _delay_ms(10); PORTB&=~(1<<en);} void ldata(int a) { PORTA=a; PORTB&=~(1<<rw); PORTB|=(1<<rs); PORTB|=(1<<en); _delay_ms(10); PORTB&=~(1<<en);} void lstring(char*s) { int i; for(i=0;s[i]!='0';i++) {ldata(s[i]); } }

19. void usart(int bd) { UBRRL=bd; UBRRH=(bd>>8); UCSRC|=(1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); UCSRB=(1<<RXEN)|(1<<TXEN); } char read() { while(!(UCSRA&(1<<RXC))); return UDR; } void write(char ch) { while(!(UCSRA&(1<<UDRE))); UDR=ch; } int main(void) { usart(103); int p[12]; DDRB=0xff; DDRA=0xff; lcmd(0x01); lcmd(0x38); lcmd(0x0e); lcmd(0x80); lstring("autonomous robot"); lcmd(0xc0); while (1) { b: for(int i=0;i<10;i++) { p[i]=read(); write(p[i]); ldata(p[i]); if(p[i]=='#') { _delay_ms(100); goto a; } }

20. a: if(p[0]=='*'&&p[1]=='f'&&p[2]=='o'&&p[3]=='r'&&p[4]=='w'&&p[5]=='a'&&p[6]=='r'&&p[7]=='d'&&p[8]=='#') { PORTB=0b10100000; lcmd(0x01); lcmd(0x38); lcmd(0x0e); lcmd(0x82); lstring("forward"); } if(p[0]=='*'&&p[1]=='b'&&p[2]=='a'&&p[3]=='c'&&p[4]=='k'&&p[5]=='w'&&p[6]=='a'&&p[7]=='r'&&p[8]=='d'&&p[9]=='#') { PORTB=0b01010000; lcmd(0x01); lcmd(0x38); lcmd(0x0e); lcmd(0x82); lstring("backward"); } if(p[0]=='*'&&p[1]=='l'&&p[2]=='e'&&p[3]=='f'&&p[4]=='t'&&p[5]=='#') { PORTB=0b00010000; lcmd(0x01); lcmd(0x38); lcmd(0x0e); lcmd(0x82); lstring("left"); } if(p[0]=='*'&&p[1]=='r'&&p[2]=='i'&&p[3]=='g'&&p[4]=='h'&&p[5]=='t'&&p[6]=='#') { PORTB=0b01000000; lcmd(0x01); lcmd(0x38); lcmd(0x0e); lcmd(0x82); lstring("right"); }}}

Add a comment