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This commit is contained in:
J. Nick Koston
2025-10-30 17:43:45 -05:00
parent fd64585f99
commit 59736f25e9
2 changed files with 56 additions and 36 deletions
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89
esphome/components/esp32_ble/ble.cpp
View File

@@ -335,6 +335,58 @@ bool ESP32BLE::ble_dismantle_() {
return true;
}
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
inline void ESP32BLE::dispatch_gap_event_(esp_gap_ble_cb_event_t gap_event, BLEEvent *ble_event) {
// Determine which union member to use based on event type.
// All event structures are properly laid out in memory per ESP-IDF.
// The reinterpret_cast operations are safe because:
// 1. Structure sizes match ESP-IDF expectations (verified by static_assert in ble_event.h)
// 2. Status fields are at offset 0 (verified by static_assert in ble_event.h)
// 3. The struct already contains our copy of the data (copied in BLEEvent constructor)
esp_ble_gap_cb_param_t *param;
switch (gap_event) {
// Scan complete events - all have same structure with just status
case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.scan_complete);
break;
// Advertising complete events - all have same structure with just status
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.adv_complete);
break;
// RSSI complete event
case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.read_rssi_complete);
break;
// Security events
case ESP_GAP_BLE_AUTH_CMPL_EVT:
case ESP_GAP_BLE_SEC_REQ_EVT:
case ESP_GAP_BLE_PASSKEY_NOTIF_EVT:
case ESP_GAP_BLE_PASSKEY_REQ_EVT:
case ESP_GAP_BLE_NC_REQ_EVT:
param = reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.security);
break;
default:
return; // Shouldn't happen - all cases covered by loop() switch
}
// Dispatch to all registered handlers
for (auto *gap_handler : this->gap_event_handlers_) {
gap_handler->gap_event_handler(gap_event, param);
}
}
#endif
void ESP32BLE::loop() {
switch (this->state_) {
case BLE_COMPONENT_STATE_OFF:
@@ -417,46 +469,14 @@ void ESP32BLE::loop() {
case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
// All three scan complete events have the same structure with just status
// The scan_complete struct matches ESP-IDF's layout exactly, so this reinterpret_cast is safe
// This is verified at compile-time by static_assert checks in ble_event.h
// The struct already contains our copy of the status (copied in BLEEvent constructor)
ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
for (auto *gap_handler : this->gap_event_handlers_) {
gap_handler->gap_event_handler(
gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.scan_complete));
}
#endif
break;
// Advertising complete events
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
// All advertising complete events have the same structure with just status
ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
for (auto *gap_handler : this->gap_event_handlers_) {
gap_handler->gap_event_handler(
gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.adv_complete));
}
#endif
break;
// RSSI complete event
case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
for (auto *gap_handler : this->gap_event_handlers_) {
gap_handler->gap_event_handler(
gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.read_rssi_complete));
}
#endif
break;
// Security events
case ESP_GAP_BLE_AUTH_CMPL_EVT:
case ESP_GAP_BLE_SEC_REQ_EVT:
@@ -465,10 +485,7 @@ void ESP32BLE::loop() {
case ESP_GAP_BLE_NC_REQ_EVT:
ESP_LOGV(TAG, "gap_event_handler - %d", gap_event);
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
for (auto *gap_handler : this->gap_event_handlers_) {
gap_handler->gap_event_handler(
gap_event, reinterpret_cast<esp_ble_gap_cb_param_t *>(&ble_event->event_.gap.security));
}
this->dispatch_gap_event_(gap_event, ble_event);
#endif
break;

3
esphome/components/esp32_ble/ble.h
View File

@@ -161,6 +161,9 @@ class ESP32BLE : public Component {
#ifdef USE_ESP32_BLE_ADVERTISING
void advertising_init_();
#endif
#ifdef ESPHOME_ESP32_BLE_GAP_EVENT_HANDLER_COUNT
void dispatch_gap_event_(esp_gap_ble_cb_event_t gap_event, BLEEvent *ble_event);
#endif
private:
template<typename... Args> friend void enqueue_ble_event(Args... args);