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Move EEPROM read/write functions to settings

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This commit is contained in:
John Stäck 2019-07-25 11:07:41 +02:00
parent 9fbfde3867
commit c8e96343d0
4 changed files with 25 additions and 27 deletions
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23
NuEVI/settings.cpp
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@ -1,4 +1,5 @@
#include <Arduino.h>
#include <EEPROM.h>
#include "settings.h"
#include "globals.h"
@ -171,4 +172,26 @@ bool readEEPROM() {
//Poke at a certain bit in a bit field
void setBit(uint16_t &bitfield, const uint8_t pos, const uint16_t value) {
bitfield = (bitfield & ~(1<<pos)) | ((value?1:0)<<pos);
}
//Read and write EEPROM data
void writeSetting(uint16_t address, uint16_t value){
union {
uint8_t v[2];
uint16_t val;
} data;
data.val = value;
EEPROM.update(address, data.v[0]);
EEPROM.update(address+1, data.v[1]);
}
uint16_t readSetting(uint16_t address){
union {
uint8_t v[2];
uint16_t val;
} data;
data.v[0] = EEPROM.read(address);
data.v[1] = EEPROM.read(address+1);
return data.val;
}