bool OwRelay::rawWrite(uint64_t addr, bool value) {
OneWire ds = os->getOneWire();
uint8_t *a = (uint8_t *)&addr;
ds.reset();
ds.write(0x55, 1); // ROM select
for(int i = 0; i < 8; i++) ds.write(a[i], 1);
uint8_t bit = ds.read_bit();
ds.reset();
bool oops = false;
value ^= 1;
if ((bit&1) ^ value) {
oops = true;
// toggled the wrong way, toggle again...
ds.write(0x55, 1); // ROM select
for(int i = 0; i < 8; i++) ds.write(a[i], 1);
bit = ds.read_bit();
ds.reset();
}
#if DEBUG
Serial.print(F("OWR: Write "));
printAddr(&Serial, addr);
Serial.print("<-");
Serial.print(value);
if (oops) Serial.print(" 2xtoggle");
Serial.print(" bit=");
Serial.print(bit);
Serial.println();
#endif
return !((bit&1) ^ value);
}
// Read the state, returns -1 on failure
int8_t OwRelay::rawRead(uint64_t addr) {
OneWire ds = os->getOneWire();
byte data[12];
ds.reset();
ds.select((uint8_t *)&addr);
uint8_t value = ds.read_bit() ^ 1; // read the switch value
#if DEBUG
Serial.print(F("OWR: Good data for "));
printAddr(&Serial, addr);
Serial.print("->");
Serial.print(value);
Serial.println();
#endif
return value;
}