You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
877 B
Plaintext
39 lines
877 B
Plaintext
/*
|
|
* EEPROM Write
|
|
*
|
|
* Stores values read from analog input 0 into the EEPROM.
|
|
* These values will stay in the EEPROM when the board is
|
|
* turned off and may be retrieved later by another sketch.
|
|
*/
|
|
|
|
#include <EEPROM.h>
|
|
|
|
// the current address in the EEPROM (i.e. which byte
|
|
// we're going to write to next)
|
|
int addr = 0;
|
|
|
|
void setup()
|
|
{
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
// need to divide by 4 because analog inputs range from
|
|
// 0 to 1023 and each byte of the EEPROM can only hold a
|
|
// value from 0 to 255.
|
|
int val = analogRead(0) / 4;
|
|
|
|
// write the value to the appropriate byte of the EEPROM.
|
|
// these values will remain there when the board is
|
|
// turned off.
|
|
EEPROM.write(addr, val);
|
|
|
|
// advance to the next address. there are 512 bytes in
|
|
// the EEPROM, so go back to 0 when we hit 512.
|
|
addr = addr + 1;
|
|
if (addr == 512)
|
|
addr = 0;
|
|
|
|
delay(100);
|
|
}
|