From 2fd23f99edcc814b496bc6c4503ccf5490397ad7 Mon Sep 17 00:00:00 2001
From: Harald Pichler <harald@the-develop.net>
Date: Tue, 20 Sep 2016 21:49:52 +0200
Subject: [PATCH] config as hostnode, add coap client

---
 examples/osd/triggerbaord/project-conf.h |  3 ++
 examples/osd/triggerbaord/sketch.pde     | 35 ++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/examples/osd/triggerbaord/project-conf.h b/examples/osd/triggerbaord/project-conf.h
index 62e1d8d2b..230f9ba0b 100644
--- a/examples/osd/triggerbaord/project-conf.h
+++ b/examples/osd/triggerbaord/project-conf.h
@@ -38,6 +38,9 @@
 
 #define LOOP_INTERVAL		(10 * CLOCK_SECOND)
 
+/* Seeping nodes are host nodes without routing features */
+#define UIP_CONF_ROUTER 0
+
 /* For Debug: Dont allow MCU sleeping between channel checks */
 //#undef RDC_CONF_MCU_SLEEP
 //#define RDC_CONF_MCU_SLEEP       0
diff --git a/examples/osd/triggerbaord/sketch.pde b/examples/osd/triggerbaord/sketch.pde
index 0c4845d5b..9c7ce0709 100755
--- a/examples/osd/triggerbaord/sketch.pde
+++ b/examples/osd/triggerbaord/sketch.pde
@@ -13,6 +13,7 @@
 extern "C" {
 #include "arduino-process.h"
 #include "rest-engine.h"
+#include "er-coap-engine.h"
 #include "net/netstack.h"
 #include "dev/button-sensor.h"
 
@@ -31,6 +32,17 @@ uint8_t bled_pin=7;
 uint8_t bled_status;
 }
 
+#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
+// should be the same :-)
+#define UIP_NTOHS(x) UIP_HTONS(x)
+#define SERVER_NODE(ip) \
+    uip_ip6addr(ip,0xfe80,0,0,0,0,0,0,0x01)
+
+uip_ipaddr_t server_ipaddr, tmp_addr;
+char         server_resource [20] = "button";
+
+extern int32_t event_counter; 
+   
 void setup (void)
 {
     // switch off the led
@@ -45,6 +57,7 @@ void setup (void)
     SENSORS_ACTIVATE(button_sensor);
     // init coap resourcen
     rest_init_engine ();
+    SERVER_NODE (&server_ipaddr);
     #pragma GCC diagnostic ignored "-Wwrite-strings"
     rest_activate_resource (&res_led, "s/led");
     rest_activate_resource (&res_bled, "s/bled");
@@ -53,9 +66,31 @@ void setup (void)
     rest_activate_resource(&res_event, "s/button");         
     #pragma GCC diagnostic pop
 
+//    mcu_sleep_set(64);
     NETSTACK_MAC.off(1);
 }
 
+int coap_server_post(void)
+{
+    static coap_packet_t request [1]; /* Array: treat as pointer */
+    char buf [9];
+    coap_transaction_t *transaction;
+    int buttonstate = button_sensor.value(0);
+    sprintf (buf, "state=%d&event=%lu",buttonstate,event_counter);
+//  printf ("%s\n", buf);
+    coap_init_message (request, COAP_TYPE_NON, COAP_PUT, 0);
+    coap_set_header_uri_path (request, server_resource);
+    coap_set_header_content_format (request, REST.type.TEXT_PLAIN);
+    coap_set_payload (request, buf, strlen (buf));
+    request->mid = coap_get_mid ();
+    transaction = coap_new_transaction
+        (request->mid, &server_ipaddr, REMOTE_PORT);
+    transaction->packet_len = coap_serialize_message
+        (request, transaction->packet);
+    coap_send_transaction (transaction);
+    return 0;
+}
+
 void loop (void)
 {