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gatt_client: gatt_client_get_mtu returns 0 on error

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This commit is contained in:
Matthias Ringwald 2024-08-28 08:29:50 +02:00
parent 7aa69c2486
commit 6201dbadd6
2 changed files with 3 additions and 2 deletions
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1
src/ble/gatt_client.c
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@ -290,6 +290,7 @@ uint8_t gatt_client_get_mtu(hci_con_handle_t con_handle, uint16_t * mtu){
gatt_client_t * gatt_client;
uint8_t status = gatt_client_provide_context_for_handle(con_handle, &gatt_client);
if (status != ERROR_CODE_SUCCESS){
*mtu = 0;
return status;
}

4
src/ble/gatt_client.h
View File

@ -371,11 +371,11 @@ uint8_t gatt_client_le_enhanced_connect(btstack_packet_handler_t callback, hci_c
* @brief MTU is available after the first query has completed. If status is equal to ERROR_CODE_SUCCESS, it returns the real value,
* otherwise the default value ATT_DEFAULT_MTU (see bluetooth.h).
* @param con_handle
* @param mtu
* @param mtu or 0 in case of error
* @return status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if no HCI connection for con_handle is found
* BTSTACK_MEMORY_ALLOC_FAILED if no GATT client for con_handle could be allocated
* GATT_CLIENT_IN_WRONG_STATE if MTU is not exchanged and MTU auto-exchange is disabled
* ERROR_CODE_SUCCESS if query is successfully registered
* ERROR_CODE_SUCCESS on success
*/
uint8_t gatt_client_get_mtu(hci_con_handle_t con_handle, uint16_t * mtu);