CellularStateMachine: wait and retry if signal quality is unknown

pennam · pennam · commit 63775e3ce04c · 2025-03-26T09:57:16.000+01:00
diff --git a/connectivity/cellular/source/framework/device/CellularStateMachine.cpp b/connectivity/cellular/source/framework/device/CellularStateMachine.cpp
@@ -458,7 +458,7 @@ void CellularStateMachine::state_signal_quality()
 {
     _cb_data.error = _network.get_signal_quality(_signal_quality.rssi, &_signal_quality.ber);
 
-    if (_cb_data.error != NSAPI_ERROR_OK) {
+    if ((_cb_data.error != NSAPI_ERROR_OK) || (_signal_quality.rssi == CellularNetwork::SignalQuality::SignalQualityUnknown)) {
         retry_state_or_fail();
     } else {
         _cb_data.data = &_signal_quality;

Original file line number	Diff line number	Diff line change
`@@ -458,7 +458,7 @@ void CellularStateMachine::state_signal_quality()`
`458`	`458`	`{`
`459`	`459`	`_cb_data.error = _network.get_signal_quality(_signal_quality.rssi, &_signal_quality.ber);`
`460`	`460`
`461`		`- if (_cb_data.error != NSAPI_ERROR_OK) {`
	`461`	`+ if ((_cb_data.error != NSAPI_ERROR_OK) \|\| (_signal_quality.rssi == CellularNetwork::SignalQuality::SignalQualityUnknown)) {`
`462`	`462`	`retry_state_or_fail();`
`463`	`463`	`} else {`
`464`	`464`	`_cb_data.data = &_signal_quality;`