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tweaks to reduce RAM

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This commit is contained in:
J. Nick Koston
2026-01-17 07:34:22 -10:00
parent 438bb96687
commit 40025bb277
1 changed files with 9 additions and 2 deletions
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esphome/components/mqtt/mqtt_component.cpp
+9 -2
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@@ -222,8 +222,15 @@ bool MQTTComponent::send_discovery_() {
device_info[MQTT_DEVICE_SW_VERSION] = ESPHOME_PROJECT_VERSION " (ESPHome " ESPHOME_VERSION ")";
const char *model = std::strchr(ESPHOME_PROJECT_NAME, '.');
device_info[MQTT_DEVICE_MODEL] = model == nullptr ? ESPHOME_BOARD : model + 1;
device_info[MQTT_DEVICE_MANUFACTURER] =
model == nullptr ? ESPHOME_PROJECT_NAME : std::string(ESPHOME_PROJECT_NAME, model - ESPHOME_PROJECT_NAME);
if (model == nullptr) {
device_info[MQTT_DEVICE_MANUFACTURER] = ESPHOME_PROJECT_NAME;
} else {
char manufacturer[sizeof(ESPHOME_PROJECT_NAME)];
size_t len = model - ESPHOME_PROJECT_NAME;
memcpy(manufacturer, ESPHOME_PROJECT_NAME, len);
manufacturer[len] = '\0';
device_info[MQTT_DEVICE_MANUFACTURER] = manufacturer;
}
#else
static const char ver_fmt[] PROGMEM = ESPHOME_VERSION " (config hash 0x%08" PRIx32 ")";
// Buffer sized for format string expansion: ~4 bytes net growth from format specifier to 8 hex digits, plus