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Code Issues Releases Wiki Activity

[pvvx_mithermometer] Fix race condition with BLE authentication (#10327)

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This commit is contained in:
J. Nick Koston
2025-08-24 22:16:12 +02:00
committed by GitHub
parent ca19959d7c
commit 88303f39fa
2 changed files with 35 additions and 4 deletions
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37
esphome/components/pvvx_mithermometer/display/pvvx_display.cpp
View File

@@ -46,10 +46,32 @@ void PVVXDisplay::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t
}
this->connection_established_ = true;
this->char_handle_ = chr->handle;
#ifdef USE_TIME
this->sync_time_();
#endif
this->display();
// Attempt to write immediately
// For devices without security, this will work
// For devices with security that are already paired, this will work
// For devices that need pairing, the write will be retried after auth completes
this->sync_time_and_display_();
break;
}
default:
break;
}
}
void PVVXDisplay::gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) {
switch (event) {
case ESP_GAP_BLE_AUTH_CMPL_EVT: {
if (!this->parent_->check_addr(param->ble_security.auth_cmpl.bd_addr))
return;
if (param->ble_security.auth_cmpl.success) {
ESP_LOGD(TAG, "[%s] Authentication successful, performing writes.", this->parent_->address_str().c_str());
// Now that pairing is complete, perform the pending writes
this->sync_time_and_display_();
} else {
ESP_LOGW(TAG, "[%s] Authentication failed.", this->parent_->address_str().c_str());
}
break;
}
default:
@@ -127,6 +149,13 @@ void PVVXDisplay::delayed_disconnect_() {
this->set_timeout("disconnect", this->disconnect_delay_ms_, [this]() { this->parent_->set_enabled(false); });
}
void PVVXDisplay::sync_time_and_display_() {
#ifdef USE_TIME
this->sync_time_();
#endif
this->display();
}
#ifdef USE_TIME
void PVVXDisplay::sync_time_() {
if (this->time_ == nullptr)

2
esphome/components/pvvx_mithermometer/display/pvvx_display.h
View File

@@ -43,6 +43,7 @@ class PVVXDisplay : public ble_client::BLEClientNode, public PollingComponent {
void gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t *param) override;
void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) override;
/// Set validity period of the display information in seconds (1..65535)
void set_validity_period(uint16_t validity_period) { this->validity_period_ = validity_period; }
@@ -112,6 +113,7 @@ class PVVXDisplay : public ble_client::BLEClientNode, public PollingComponent {
void setcfgbit_(uint8_t bit, bool value);
void send_to_setup_char_(uint8_t *blk, size_t size);
void delayed_disconnect_();
void sync_time_and_display_();
#ifdef USE_TIME
void sync_time_();
time::RealTimeClock *time_{nullptr};