Set class B flag if pingable

fix #480
mcci-catena · Oct 22, 2019 · 9ed48ca · 9ed48ca
1 parent 2226826
commit 9ed48ca
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/lmic/lmic.c b/src/lmic/lmic.c
@@ -1889,6 +1889,9 @@ static bit_t buildDataFrame (void) {
     LMIC.frame[OFF_DAT_HDR] = HDR_FTYPE_DAUP | HDR_MAJOR_V1;
     LMIC.frame[OFF_DAT_FCT] = (LMIC.dnConf | LMIC.adrEnabled
                               | (sendAdrAckReq() ? FCT_ADRACKReq : 0)
+#if !defined(DISABLE_PING)
+                              | ((LMIC.opmode & OP_PINGABLE) ? FCT_CLASSB : 0)
+#endif // ndef DISABLE_PING
                               | (end-OFF_DAT_OPTS));
     os_wlsbf4(LMIC.frame+OFF_DAT_ADDR,  LMIC.devaddr);