Increase AT timeout to 10s in AT_CellularSMS::get_sms

When SMS list is big and baudrate is not fast enough, with default timeout we can suffer from timeout error while getting a sms because method is parsing the full list and this takes long.
ARMmbed · Apr 5, 2024 · d676084 · d676084
1 parent 5c49f16
commit d676084
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/connectivity/cellular/source/framework/AT/AT_CellularSMS.cpp b/connectivity/cellular/source/framework/AT/AT_CellularSMS.cpp
@@ -703,6 +703,7 @@ nsapi_size_or_error_t AT_CellularSMS::get_sms(char *buf, uint16_t len, char *pho
  }
 
  _at.lock();
+ _at.set_at_timeout(10s);
 
  nsapi_size_or_error_t err = list_messages();
  if (err == NSAPI_ERROR_OK) {
@@ -716,6 +717,7 @@ nsapi_size_or_error_t AT_CellularSMS::get_sms(char *buf, uint16_t len, char *pho
  *buf_size = info->msg_size;
  }
  free_linked_list();
+ _at.restore_at_timeout();
  _at.unlock();
  return NSAPI_ERROR_PARAMETER;
  }
@@ -740,6 +742,7 @@ nsapi_size_or_error_t AT_CellularSMS::get_sms(char *buf, uint16_t len, char *pho
 
  free_linked_list();
 
+ _at.restore_at_timeout();
  _at.unlock();
 
  // update error only when there really was an error, otherwise we return the length