eeprom.h

/********************************************************
 * eeprom.h
 *
 * this file provides function declarations for SER486
 * electronically erasable programmable rom (EEPROM) library functions.
 *
 */



/*
places the data (specified by buf and size) into the write buffer for later writing
to the EEPROM. The addr parameter specifies the location to write the data to. This
function should not be called when another write is in progress.
*/

void eeprom_writebuf(unsigned int addr, unsigned char* buf, unsigned char size);

/*
reads a specified amount of data (size) from the EEPROM starting at a
specified address (addr) and places it in the specified buffer (buf).
*/

void eeprom_readbuf(unsigned int addr, unsigned char* buf, unsigned char size);


/*
returns 0 if write_busy is 0, otheriwise, returns 1.
*/

int eeprom_isbusy();

/*
Enabled when writebuf() places new data in the write buffer, this ISR
sends one byte at a time to the EEPROM. When the last byte is sent, it disables further
EEPROM interrupts.
*/

void __vector_22();

void get_writebusy();