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[emc2101] Fix negative external temperatures reported as large positives (#17494)

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This commit is contained in:
Jonathan Swoboda
2026-07-15 21:16:24 -04:00
committed by GitHub
parent 3c34fc950e
commit d53d4c5b58
1 changed files with 3 additions and 3 deletions
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esphome/components/emc2101/emc2101.cpp
+3 -3
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@@ -145,9 +145,9 @@ float Emc2101Component::get_external_temperature() {
return NAN;
}
// join msb and lsb (5 least significant bits are not used)
uint16_t raw = (msb << 8 | lsb) >> 5;
return raw * 0.125;
// join msb and lsb (5 least significant bits are not used); msb is signed, so read as int16_t
int16_t raw = static_cast<int16_t>((msb << 8) | lsb) >> 5;
return raw * 0.125f;
}
float Emc2101Component::get_speed() {