sys/auto_init: add auto_init_loramac function

sys/auto_init/Makefile

@@ -14,4 +14,8 @@ ifneq (,$(filter auto_init_can,$(USEMODULE)))
   DIRS += can
 endif
 
+ifneq (,$(filter auto_init_loramac,$(USEMODULE)))
+  DIRS += loramac
+endif
+
 include $(RIOTBASE)/Makefile.base

sys/auto_init/auto_init.c

@@ -177,6 +177,10 @@ void auto_init(void)
     extern void nimble_riot_init(void);
     nimble_riot_init();
 #endif
+#ifdef MODULE_AUTO_INIT_LORAMAC
+    extern void auto_init_loramac(void);
+    auto_init_loramac();
+#endif
 
 /* initialize network devices */
 #ifdef MODULE_AUTO_INIT_GNRC_NETIF
@@ -276,7 +280,7 @@ void auto_init(void)
     auto_init_w5100();
 #endif
 
-#ifdef MODULE_SX127X
+#if defined(MODULE_SX127X) && !defined(MODULE_SEMTECH_LORAMAC)
     extern void auto_init_sx127x(void);
     auto_init_sx127x();
 #endif

sys/auto_init/loramac/Makefile

@@ -0,0 +1,3 @@
+MODULE = auto_init_loramac
+
+include $(RIOTBASE)/Makefile.base

sys/auto_init/loramac/auto_init_loramac.c

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2019 Inria
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ *
+ */
+
+/**
+ * @ingroup     sys_auto_init_gnrc_netif
+ * @{
+ *
+ * @file
+ * @brief       Auto initialization for Semtech Loramac-node package
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifdef MODULE_SEMTECH_LORAMAC
+
+#include "log.h"
+#include "semtech_loramac.h"
+
+semtech_loramac_t loramac;
+
+void auto_init_loramac(void)
+{
+    semtech_loramac_init(&loramac);
+}
+
+#else
+typedef int dont_be_pedantic;
+#endif /* MODULE_SEMTECH_LORAMAC */
+/** @} */