Bug fix in function OnRadioRxDone. The node is now able to process MAC commands in downlink frames with fOpts > 0 where no payload is present.

Daniel Jäckle · Daniel Jäckle · commit 1dfa8ccf3a48 · 2016-06-22T08:31:33.000+02:00
diff --git a/src/mac/LoRaMac.c b/src/mac/LoRaMac.c
@@ -1269,6 +1269,15 @@ static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t
                             }
                         }
                     }
+                    else
+                    {
+                        if( fCtrl.Bits.FOptsLen > 0 )
+                        {
+                            // Decode Options field MAC commands
+                            ProcessMacCommands( payload, 8, appPayloadStartIndex, snr );
+                        }
+                    }
+
                     if( skipIndication == false )
                     {
                         LoRaMacFlags.Bits.McpsInd = 1;

Original file line number	Diff line number	Diff line change
`@@ -1269,6 +1269,15 @@ static void OnRadioRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t`
`1269`	`1269`	`}`
`1270`	`1270`	`}`
`1271`	`1271`	`}`
	`1272`	`+ else`
	`1273`	`+ {`
	`1274`	`+ if( fCtrl.Bits.FOptsLen > 0 )`
	`1275`	`+ {`
	`1276`	`+ // Decode Options field MAC commands`
	`1277`	`+ ProcessMacCommands( payload, 8, appPayloadStartIndex, snr );`
	`1278`	`+ }`
	`1279`	`+ }`
	`1280`	`+`
`1272`	`1281`	`if( skipIndication == false )`
`1273`	`1282`	`{`
`1274`	`1283`	`LoRaMacFlags.Bits.McpsInd = 1;`