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Functional Overview
while (TRUE) {
itt;
dac_write(i);
}
Data Eeprom
The data eeprom memory is readable and writable in some chips. These options lets the user
read and write to the data eeprom memory. These functions are only available in flash chips.
Relevant Functions:
(8 bit or 16 bit depending on the
device)
read_eeprom(address)
write_eeprom(address, value)
Reads the data EEPROM memory location
Erases and writes value to data EEPROM location address.
Reads N bytes of data EEPROM starting at memory location
address. The maximum return size is int64.
Reads from EEPROM to fill variable starting at address
Reads N bytes, starting at address, to pointer
Writes value to EEPROM address
Writes N bytes to address from pointer
Relevant Preprocessor:
#ROM address={list}
write_eeprom = noint
Can also be used to put data EEPROM memory data into the
hex file.
Allows interrupts to occur while the write_eeprom() operations
is polling the done bit to check if the write operations has
completed. Can be used as long as no EEPROM operations
are performed during an ISR.
Relevant Interrupts:
INT_EEPROM
Relevant Include Files:
None, all functions built-in
Relevant getenv() parameters:
DATA_EEPROM
Example Code:
For 18F452
#rom 0xf00000={1,2,3,4,5}
Interrupt fires when EEPROM write is complete
Size of data EEPROM memory.
//inserts this data into the hex file. The data eeprom address
//differs for different family of chips. Please refer to the
//programming specs to find the right value for the device
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