sys/auto_init: enable sx127x auto init

drivers/Makefile.dep

@@ -247,6 +247,7 @@ ifneq (,$(filter sx127%,$(USEMODULE)))
   FEATURES_REQUIRED += periph_spi
   USEMODULE += xtimer
   USEMODULE += sx127x
+  USEMODULE += netif
 endif
 
 ifneq (,$(filter tcs37727,$(USEMODULE)))

sys/auto_init/auto_init.c

@@ -230,6 +230,11 @@ void auto_init(void)
     auto_init_w5100();
 #endif
 
+#ifdef MODULE_SX127X
+    extern void auto_init_sx127x(void);
+    auto_init_sx127x();
+#endif
+
 #endif /* MODULE_AUTO_INIT_GNRC_NETIF */
 
 #ifdef MODULE_GNRC_UHCPC

sys/auto_init/netif/auto_init_sx127x.c

+/*
+ * Copyright (C) 2017 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     auto_init_gnrc_netif
+ * @{
+ *
+ * @file
+ * @brief       Auto initialization for SX1272/SX1276 LoRa interfaces
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifdef MODULE_SX127X
+
+#include "log.h"
+#include "board.h"
+#include "net/gnrc/netif/raw.h"
+#include "net/gnrc.h"
+
+#include "sx127x.h"
+#include "sx127x_params.h"
+
+/**
+ * @brief   Calculate the number of configured SX127x devices
+ */
+#define SX127X_NUMOF        (sizeof(sx127x_params) / sizeof(sx127x_params_t))
+
+/**
+ * @brief   Define stack parameters for the MAC layer thread
+ */
+#define SX127X_STACKSIZE           (THREAD_STACKSIZE_DEFAULT)
+#ifndef SX127X_PRIO
+#define SX127X_PRIO                (GNRC_NETIF_PRIO)
+#endif
+
+/**
+ * @brief   Allocate memory for device descriptors, stacks, and GNRC adaption
+ */
+static sx127x_t sx127x_devs[SX127X_NUMOF];
+static char sx127x_stacks[SX127X_NUMOF][SX127X_STACKSIZE];
+
+void auto_init_sx127x(void)
+{
+    for (unsigned i = 0; i < SX127X_NUMOF; ++i) {
+#if defined(MODULE_SX1272)
+        LOG_DEBUG("[auto_init_netif] initializing sx1272 #%u\n", i);
+#else /* MODULE_SX1276 */
+        LOG_DEBUG("[auto_init_netif] initializing sx1276 #%u\n", i);
+#endif
+
+        sx127x_setup(&sx127x_devs[i], &sx127x_params[i]);
+        gnrc_netif_raw_create(sx127x_stacks[i], SX127X_STACKSIZE, SX127X_PRIO,
+                              "sx127x", (netdev_t *)&sx127x_devs[i]);
+    }
+}
+
+#else
+typedef int dont_be_pedantic;
+#endif /* MODULE_SX127X */
+/** @} */