Move saul_coap_init declaration in saul_coap.h

main.c

@@ -22,14 +22,13 @@
 #include "msg.h"
 #include "shell.h"
 #include "saul_cord_ep.h"
+#include "saul_coap.h"
 
 #define MAIN_QUEUE_SIZE (4)
 #define CORD_EP_ADDRESS "[fdaa:bb:cc:dd::1]:5683"
 
 static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
 
-extern void saul_coap_init(void);
-
 /* we will use custom event handler for dumping cord_ep events */
 static void _on_ep_event(saul_cord_ep_event_t event)
 {

saul_coap.c

@@ -26,6 +26,8 @@
 #include "net/gcoap.h"
 #include "cbor.h"
 
+#include "saul_coap.h"
+
 static ssize_t _saul_cnt_handler(coap_pkt_t* pdu, uint8_t *buf, size_t len, void *ctx);
 static ssize_t _saul_dev_handler(coap_pkt_t* pdu, uint8_t *buf, size_t len, void *ctx);
 static ssize_t _saul_sensortype_handler(coap_pkt_t* pdu, uint8_t *buf, size_t len, void *ctx);

saul_coap.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2019 HAW Hamburg
+ *
+ * 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     pkg
+ * @{
+ *
+ * @file
+ * @brief       Adapt SAUL registry for CoAP.
+ *
+ * @author      Micha Rosenbaum <[email protected]>
+ *
+ * @}
+ */
+#ifndef SAUL_COAP_H
+#define SAUL_COAP_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/**
+ * @brief Initialize and register the saul-coap resources.
+ *
+ * @warning This function must only be called once (typically during system
+ *          initialization)
+ */
+void saul_coap_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SAUL_COAP_H */