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Temperature sanity check

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jpirnay
2026-04-17 23:32:26 +02:00
parent 9492984850
commit f31159b430
1 changed files with 8 additions and 2 deletions
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lib/hal/HalClock.cpp
+8 -2
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@@ -281,8 +281,14 @@ static time_t readExternalRTC() {
static float readExternalTemp() { static float readExternalTemp() {
Wire.beginTransmission(DS3231_ADDRESS); Wire.beginTransmission(DS3231_ADDRESS);
Wire.write(0x11); Wire.write(0x11);
Wire.endTransmission(); if (Wire.endTransmission() != 0) {
Wire.requestFrom(DS3231_ADDRESS, (uint8_t)2); return 0.0f;
}
int count = Wire.requestFrom(DS3231_ADDRESS, (uint8_t)2);
if (count < 2) {
return 0.0f;
}
int8_t msb = Wire.read(); int8_t msb = Wire.read();
uint8_t lsb = Wire.read(); uint8_t lsb = Wire.read();