forked from Elron_dev/elbear_arduino_bsp
42 lines
826 B
C++
42 lines
826 B
C++
/*
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* EEPROM Write
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*
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* Stores values read from analog input 0 into the EEPROM.
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* These values will stay in the EEPROM when the board is
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* turned off and may be retrieved later by another sketch.
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*/
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#include <EEPROM.h>
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/** the current address in the EEPROM (i.e. which byte we're going to write to next) **/
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int addr = 0;
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void setup() {
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EEPROM.begin();
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}
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void loop() {
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/***
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Need to divide by 4 because analog inputs range from
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0 to 1023 and each byte of the EEPROM can only hold a
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value from 0 to 255.
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***/
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int val = analogRead(0) / 4;
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/***
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Write the value to the appropriate byte of the EEPROM.
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these values will remain there when the board is
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turned off.
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***/
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EEPROM.write(addr, val);
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addr = addr + 1;
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if (addr == EEPROM.length()) {
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addr = 0;
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}
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delay(100);
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}
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