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[atc_mithermometer] Reduce heap allocations with stack-based string formatting (#12996)

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This commit is contained in:
J. Nick Koston
2026-01-05 17:16:47 -10:00
committed by GitHub
parent c3e6a4178c
commit 18217fbe10
2 changed files with 7 additions and 5 deletions
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10
esphome/components/atc_mithermometer/atc_mithermometer.cpp
View File

@@ -21,7 +21,9 @@ bool ATCMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device
ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
return false;
}
ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
const char *addr_str = device.address_str_to(addr_buf);
ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", addr_str);
bool success = false;
for (auto &service_data : device.get_service_datas()) {
@@ -32,7 +34,7 @@ bool ATCMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device
if (!(parse_message_(service_data.data, *res))) {
continue;
}
if (!(report_results_(res, device.address_str()))) {
if (!(report_results_(res, addr_str))) {
continue;
}
if (res->temperature.has_value() && this->temperature_ != nullptr)
@@ -103,13 +105,13 @@ bool ATCMiThermometer::parse_message_(const std::vector<uint8_t> &message, Parse
return true;
}
bool ATCMiThermometer::report_results_(const optional<ParseResult> &result, const std::string &address) {
bool ATCMiThermometer::report_results_(const optional<ParseResult> &result, const char *address) {
if (!result.has_value()) {
ESP_LOGVV(TAG, "report_results(): no results available.");
return false;
}
ESP_LOGD(TAG, "Got ATC MiThermometer (%s):", address.c_str());
ESP_LOGD(TAG, "Got ATC MiThermometer (%s):", address);
if (result->temperature.has_value()) {
ESP_LOGD(TAG, " Temperature: %.1f °C", *result->temperature);

2
esphome/components/atc_mithermometer/atc_mithermometer.h
View File

@@ -41,7 +41,7 @@ class ATCMiThermometer : public Component, public esp32_ble_tracker::ESPBTDevice
optional<ParseResult> parse_header_(const esp32_ble_tracker::ServiceData &service_data);
bool parse_message_(const std::vector<uint8_t> &message, ParseResult &result);
bool report_results_(const optional<ParseResult> &result, const std::string &address);
bool report_results_(const optional<ParseResult> &result, const char *address);
};
} // namespace atc_mithermometer