Example Programs
getc();
start=seconds;
printf("Press any key to stop. \n\r");
getc();
printf ("%u seconds.
\n\r", seconds-start);
} while (TRUE);
}
/////////////////////////////////////////////////////////////////
///
///
EX_INTEE.C
This program will read and write to the ’ 83 or ’ 84
///
///
///
internal EEPROM.
Configure the CCS prototype card as
///
///
follows: insert jumpers from 11 to 17 and 12 to 18.
///
/////////////////////////////////////////////////////////////////
#include <16C84.H>
#use delay(clock-100000000)
#use rs232 (baud=9600, xmit=PIN_A3, rv+PIN_A2)
#include <HEX.C>
main () {
byte i,j,address, value;
do {
printf("\r\n\nEEPROM: \r\n")
for(i=0; i<3; ++i) {
for (j=0; j<=15; ++j) {
//Displays contents
//entire EEPROM
//in hex
printf("%2x", read_eeprom(i+16+j));
}
printf("\n\r");
}
printf ("\r\nlocation to change: ");
address= gethex();
printf ("\r\nNew value: ");
value=gethex();
write_eeprom (address, value);
} while (TRUE)
}
/////////////////////////////////////////////////////////////////
///
///
Library for a Microchip 93C56 configured for a x8
///
///
///
///
///
///
///
///
///
org init_ext_eeprom();
write_ext_eeprom(a,d);
d=read_ext_eeprom (a);
Call before the other
functions are used
Write the byte d to
the address a
Read the byte d from
///
///
///
///
///
///
///
///
///
the address a.
The main program may define eeprom_select,
///
///
355
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