Write an AVR C program to read the content of location OX005F of EEPROM into PORTB. Solution: tinclude //standard AVR header int main(void) DDRB = OXFF; //make PORTB an output //wait for last write to finish while (EECR & (1<

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Extend Example 7-37 to write to read 20 data values from EEPROM starting at address 0x0030 and send each value to Port C.

Example 7-37
Write an AVR C program to read the content of location Ox005F of EEPROM into
PORTB.
Solution:
#include <avr/io.h>
//standard AVR header
int main (void)
{
DDRB = OXFF;
//make PORTB an output
while (EECR & (1<<EEWE));
//wait for last write to finish
//write Ox5F to address register
//start EEPROM read by writing EERE
//move data from data register to PORTB
EEAR = 0x5f;
EECR |= (1<<EERE);
PORTB
EEDR;
Transcribed Image Text:Example 7-37 Write an AVR C program to read the content of location Ox005F of EEPROM into PORTB. Solution: #include <avr/io.h> //standard AVR header int main (void) { DDRB = OXFF; //make PORTB an output while (EECR & (1<<EEWE)); //wait for last write to finish //write Ox5F to address register //start EEPROM read by writing EERE //move data from data register to PORTB EEAR = 0x5f; EECR |= (1<<EERE); PORTB EEDR;
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