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[LPM] - Fix reboot loop when low power is used #1444

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merged 1 commit into from
Feb 9, 2023
Merged

[LPM] - Fix reboot loop when low power is used #1444

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2 changes: 2 additions & 0 deletions docs/use/boards.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ OpenMQTTGateway support a low power mode for ESP32, this mode can be set by MQTT

`mosquitto_pub -t "home/OpenMQTTGateway/commands/MQTTtoBT/config" -m '{"lowpowermode":2}'`

The interval between the ESP32 wake up is defined at build time by the macro `TimeBtwRead`, a change of the `interval` through MQTT will not impact the time between wake up.

::: tip
When coming back from mode 2 to mode 0 you may publish the command with a retain flag so as to enable the gateway to retrieve it when reconnecting.
A low power mode switch is automatically created by discovery with Home Assistant, you may experience a delay between the command and the state update due to the fact that the update is published every 2 minutes.
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6 changes: 3 additions & 3 deletions main/ZgatewayBT.ino
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Expand Up @@ -760,8 +760,8 @@ void coreTask(void* pvParameters) {
}

void lowPowerESP32() { // low power mode
Log.trace(F("Going to deep sleep for: %l s" CR), (BTConfig.BLEinterval / 1000));
deepSleep(BTConfig.BLEinterval * 1000);
Log.trace(F("Going to deep sleep for: %l s" CR), (TimeBtwRead / 1000));
deepSleep(TimeBtwRead * 1000);
}

void deepSleep(uint64_t time_in_us) {
Expand All @@ -771,7 +771,7 @@ void deepSleep(uint64_t time_in_us) {
# endif

Log.trace(F("Deactivating ESP32 components" CR));
BLEDevice::deinit(true);
if (BLEDevice::getInitialized()) BLEDevice::deinit(true);
esp_bt_mem_release(ESP_BT_MODE_BTDM);
// Ignore the deprecated warning, this call is necessary here.
# pragma GCC diagnostic push
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