add lobaroCoAP to 3rd party libraries and to stm32l475_discovery project (aws#2390)

Author: Mtalat

libraries/3rdparty/CoAp/coap.h

@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * Copyright (c)  2015  Dipl.-Ing. Tobias Rohde, http://www.lobaro.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *******************************************************************************/
+
+#ifndef COAP_H_
+#define COAP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//"glue" and actual system related functions
+//go there to see what to do adapting the library to your platform
+#include "interface/coap_interface.h"
+#include "liblobaro_coap.h"
+
+//Internal stack functions
+
+/*  Determine if time a is "after" time b.
+ *  Times a and b are unsigned, but performing the comparison
+ *  using signed arithmetic automatically handles wrapping.
+ *  The disambiguation window is half the maximum value. */
+#if (configUSE_16_BIT_TICKS == 1)
+#define timeAfter(a,b)    (((int16_t)(a) - (int16_t)(b)) >= 0)
+#else
+#define timeAfter(a,b)    (((int32_t)(a) - (int32_t)(b)) >= 0)
+#endif
+
+#define MAX_PAYLOAD_SIZE        (256)  //should not exceed 1024 bytes (see 4.6 RFC7252) (must be power of 2 to fit with blocksize option!)
+
+#define COAP_VERSION (1)
+
+//V1.2
+#define LOBARO_COAP_VERSION_MAJOR (1)
+#define LOBARO_COAP_VERSION_MINOR (2)
+
+#include "coap_options.h"
+#include "coap_message.h"
+#include "option-types/coap_option_blockwise.h"
+#include "option-types/coap_option_ETag.h"
+#include "option-types/coap_option_cf.h"
+#include "option-types/coap_option_uri.h"
+#include "option-types/coap_option_observe.h"
+#include "coap_resource.h"
+#include "coap_interaction.h"
+#include "coap_main.h"
+#include "diagnostic.h"
+
+
+#ifdef __cplusplus
+	}
+	#endif
+
+#endif /* COAP_H_ */