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Fix #4046 Details below: (#4086)

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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.
This commit is contained in:
Kevin Hester 2020-09-30 05:27:35 -07:00 committed by GitHub
parent b551310c37
commit 2fd3d042b2
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 18 additions and 13 deletions
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30
libraries/BLE/src/BLECharacteristic.cpp
View File

@ -219,19 +219,22 @@ void BLECharacteristic::handleGATTServerEvent(
// - uint8_t exec_write_flag - Either ESP_GATT_PREP_WRITE_EXEC or ESP_GATT_PREP_WRITE_CANCEL
//
case ESP_GATTS_EXEC_WRITE_EVT: {
if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC) {
m_value.commit();
m_pCallbacks->onWrite(this); // Invoke the onWrite callback handler.
} else {
m_value.cancel();
}
// ???
esp_err_t errRc = ::esp_ble_gatts_send_response(
gatts_if,
param->write.conn_id,
param->write.trans_id, ESP_GATT_OK, nullptr);
if (errRc != ESP_OK) {
log_e("esp_ble_gatts_send_response: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
if(m_writeEvt){
m_writeEvt = false;
if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC) {
m_value.commit();
m_pCallbacks->onWrite(this); // Invoke the onWrite callback handler.
} else {
m_value.cancel();
}
// ???
esp_err_t errRc = ::esp_ble_gatts_send_response(
gatts_if,
param->write.conn_id,
param->write.trans_id, ESP_GATT_OK, nullptr);
if (errRc != ESP_OK) {
log_e("esp_ble_gatts_send_response: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
}
}
break;
} // ESP_GATTS_EXEC_WRITE_EVT
@ -277,6 +280,7 @@ void BLECharacteristic::handleGATTServerEvent(
if (param->write.handle == m_handle) {
if (param->write.is_prep) {
m_value.addPart(param->write.value, param->write.len);
m_writeEvt = true;
} else {
setValue(param->write.value, param->write.len);
}

1
libraries/BLE/src/BLECharacteristic.h
View File

@ -107,6 +107,7 @@ private:
BLEService* m_pService;
BLEValue m_value;
esp_gatt_perm_t m_permissions = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
bool m_writeEvt = false; // If we have started a long write, this tells the commit code that we were the target
void handleGATTServerEvent(
esp_gatts_cb_event_t event,