Informed by the discussion in the bug and the code in 'that other branch' the fix was clear. Just set a flag if we start handling a write, and use that flag to guard the long write complete call.
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@ -219,19 +219,22 @@ void BLECharacteristic::handleGATTServerEvent(
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// - uint8_t exec_write_flag - Either ESP_GATT_PREP_WRITE_EXEC or ESP_GATT_PREP_WRITE_CANCEL
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// - uint8_t exec_write_flag - Either ESP_GATT_PREP_WRITE_EXEC or ESP_GATT_PREP_WRITE_CANCEL
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//
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//
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case ESP_GATTS_EXEC_WRITE_EVT: {
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case ESP_GATTS_EXEC_WRITE_EVT: {
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if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC) {
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if(m_writeEvt){
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m_value.commit();
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m_writeEvt = false;
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m_pCallbacks->onWrite(this); // Invoke the onWrite callback handler.
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if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC) {
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} else {
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m_value.commit();
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m_value.cancel();
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m_pCallbacks->onWrite(this); // Invoke the onWrite callback handler.
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}
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} else {
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// ???
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m_value.cancel();
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esp_err_t errRc = ::esp_ble_gatts_send_response(
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}
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gatts_if,
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// ???
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param->write.conn_id,
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esp_err_t errRc = ::esp_ble_gatts_send_response(
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param->write.trans_id, ESP_GATT_OK, nullptr);
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gatts_if,
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if (errRc != ESP_OK) {
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param->write.conn_id,
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log_e("esp_ble_gatts_send_response: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
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param->write.trans_id, ESP_GATT_OK, nullptr);
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if (errRc != ESP_OK) {
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log_e("esp_ble_gatts_send_response: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
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}
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}
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}
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break;
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break;
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} // ESP_GATTS_EXEC_WRITE_EVT
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} // ESP_GATTS_EXEC_WRITE_EVT
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@ -277,6 +280,7 @@ void BLECharacteristic::handleGATTServerEvent(
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if (param->write.handle == m_handle) {
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if (param->write.handle == m_handle) {
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if (param->write.is_prep) {
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if (param->write.is_prep) {
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m_value.addPart(param->write.value, param->write.len);
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m_value.addPart(param->write.value, param->write.len);
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m_writeEvt = true;
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} else {
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} else {
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setValue(param->write.value, param->write.len);
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setValue(param->write.value, param->write.len);
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}
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}
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@ -107,6 +107,7 @@ private:
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BLEService* m_pService;
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BLEService* m_pService;
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BLEValue m_value;
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BLEValue m_value;
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esp_gatt_perm_t m_permissions = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
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esp_gatt_perm_t m_permissions = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
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bool m_writeEvt = false; // If we have started a long write, this tells the commit code that we were the target
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void handleGATTServerEvent(
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void handleGATTServerEvent(
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esp_gatts_cb_event_t event,
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esp_gatts_cb_event_t event,
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