Upnp example emulating a Wemo switch
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5
examples/upnp/Makefile
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5
examples/upnp/Makefile
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PROGRAM=upnp_test
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OTA=1
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EXTRA_COMPONENTS=extras/rboot-ota
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include ../../common.mk
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3
examples/upnp/README.md
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3
examples/upnp/README.md
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# upnp Example
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This is an example to generate an upnp server and emulate a WeMo switch recognizable by Amazon echo Dot.
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53
examples/upnp/httpd.c
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53
examples/upnp/httpd.c
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#include <lwip/api.h>
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#include <string.h>
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#include <espressif/esp_common.h>
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void httpd_task(void *pvParameters)
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{
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struct netconn *client = NULL;
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struct netconn *nc = netconn_new(NETCONN_TCP);
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if (nc == NULL) {
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printf("Failed to allocate socket\n");
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vTaskDelete(NULL);
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}
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netconn_bind(nc, IP_ADDR_ANY, 80);
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netconn_listen(nc);
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while (1) {
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err_t err = netconn_accept(nc, &client);
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if (err == ERR_OK) {
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struct netbuf *nb;
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if ((err = netconn_recv(client, &nb)) == ERR_OK) {
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struct sdk_station_config config;
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sdk_wifi_station_get_config(&config);
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char * buf =
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\
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<root>\
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<device>\
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<deviceType>urn:Belkin:device:controllee:1</deviceType>\
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<friendlyName>hello</friendlyName>\
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<manufacturer>Belkin International Inc.</manufacturer>\
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<modelName>Emulated Socket</modelName>\
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<modelNumber>3.1415</modelNumber>\
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<UDN>uuid:Socket-1_0-38323636-4558-4dda-9188-cda0e6cc3dc0</UDN>\
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<serialNumber>221517K0101769</serialNumber>\
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<binaryState>0</binaryState>\
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<serviceList>\
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<service>\
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<serviceType>urn:Belkin:service:basicevent:1</serviceType>\
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<serviceId>urn:Belkin:serviceId:basicevent1</serviceId>\
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<controlURL>/upnp/control/basicevent1</controlURL>\
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<eventSubURL>/upnp/event/basicevent1</eventSubURL>\
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<SCPDURL>/eventservice.xml</SCPDURL>\
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</service>\
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</serviceList>\
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</device>\
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</root>";
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netconn_write(client, buf, strlen(buf), NETCONN_COPY);
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}
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netbuf_delete(nb);
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}
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printf("Closing connection\n");
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netconn_close(client);
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netconn_delete(client);
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}
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}
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3
examples/upnp/httpd.h
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3
examples/upnp/httpd.h
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#include <lwip/api.h>
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void httpd_task(void *pvParameters);
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464
examples/upnp/lwipopts.h
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examples/upnp/lwipopts.h
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Simon Goldschmidt
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*
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*/
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#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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#define LWIP_ESP 1
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#define ESP_RTOS 1
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#define PBUF_RSV_FOR_WLAN 1
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#define EBUF_LWIP 1
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#define ESP_TIMEWAIT_THRESHOLD 10000
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#define LWIP_TIMEVAL_PRIVATE 0
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#define TCP_WND (TCP_MSS * 2)
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#define LWIP_IGMP 1
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#include <stdint.h>
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#include <esp/hwrand.h>
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#define LWIP_RAND hwrand
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/*
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-----------------------------------------------
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---------- Platform specific locking ----------
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-----------------------------------------------
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*/
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/**
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* SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
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* critical regions during buffer allocation, deallocation and memory
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* allocation and deallocation.
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*/
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#define SYS_LIGHTWEIGHT_PROT 1
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/**
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* MEMCPY: override this if you have a faster implementation at hand than the
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* one included in your C library
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*/
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#define MEMCPY(dst,src,len) memcpy(dst,src,len)
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/**
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* SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
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* call to memcpy() if the length is known at compile time and is small.
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*/
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#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
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/*
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------------------------------------
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---------- Memory options ----------
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------------------------------------
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*/
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/**
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* MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
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* instead of the lwip internal allocator. Can save code size if you
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* already use it.
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*/
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#define MEM_LIBC_MALLOC 1
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/**
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* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
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* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
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* speed and usage from interrupts!
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*/
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#define MEMP_MEM_MALLOC 1
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/**
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* MEM_ALIGNMENT: should be set to the alignment of the CPU
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* 4 byte alignment -> #define MEM_ALIGNMENT 4
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* 2 byte alignment -> #define MEM_ALIGNMENT 2
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*/
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#define MEM_ALIGNMENT 4
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/*
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------------------------------------------------
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---------- Internal Memory Pool Sizes ----------
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------------------------------------------------
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*/
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/*
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--------------------------------
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---------- ARP options -------
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--------------------------------
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*/
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/**
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* ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
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* resolution. By default, only the most recent packet is queued per IP address.
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* This is sufficient for most protocols and mainly reduces TCP connection
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* startup time. Set this to 1 if you know your application sends more than one
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* packet in a row to an IP address that is not in the ARP cache.
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*/
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#define ARP_QUEUEING 1
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/*
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--------------------------------
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---------- IP options ----------
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--------------------------------
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*/
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/**
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* IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
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* this option does not affect outgoing packet sizes, which can be controlled
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* via IP_FRAG.
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*/
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#define IP_REASSEMBLY 0
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/**
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* IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
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* that this option does not affect incoming packet sizes, which can be
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* controlled via IP_REASSEMBLY.
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*/
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#define IP_FRAG 1
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/**
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* IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
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* a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
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* in this time, the whole packet is discarded.
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*/
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#define IP_REASS_MAXAGE 3
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/**
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* IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
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* Since the received pbufs are enqueued, be sure to configure
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* PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
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* packets even if the maximum amount of fragments is enqueued for reassembly!
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*/
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#define IP_REASS_MAX_PBUFS 10
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/*
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----------------------------------
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---------- ICMP options ----------
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----------------------------------
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*/
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/*
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---------------------------------
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---------- RAW options ----------
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---------------------------------
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*/
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/*
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----------------------------------
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---------- DHCP options ----------
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----------------------------------
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*/
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/**
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* LWIP_DHCP==1: Enable DHCP module.
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*/
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#define LWIP_DHCP 1
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#define LWIP_DHCP_BOOTP_FILE 0
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/*
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------------------------------------
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---------- AUTOIP options ----------
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------------------------------------
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*/
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/*
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----------------------------------
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---------- SNMP options ----------
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----------------------------------
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*/
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/*
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----------------------------------
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---------- IGMP options ----------
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----------------------------------
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*/
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/*
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----------------------------------
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---------- DNS options -----------
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----------------------------------
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*/
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/**
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* LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
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* transport.
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*/
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#define LWIP_DNS 1
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#define DNS_TABLE_SIZE 1
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#define DNS_MAX_NAME_LENGTH 128
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/*
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---------------------------------
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---------- UDP options ----------
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---------------------------------
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*/
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/*
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---------------------------------
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---------- TCP options ----------
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---------------------------------
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*/
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/**
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* TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
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* Define to 0 if your device is low on memory.
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*/
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#define TCP_QUEUE_OOSEQ 0
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/*
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* LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
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* events (accept, sent, etc) that happen in the system.
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* LWIP_CALLBACK_API==1: The PCB callback function is called directly
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* for the event. This is the default.
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*/
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#define TCP_MSS 1460
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/**
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* TCP_MAXRTX: Maximum number of retransmissions of data segments.
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*/
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#define TCP_MAXRTX 6
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/**
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* TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
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*/
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#define TCP_SYNMAXRTX 3
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/*
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----------------------------------
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---------- Pbuf options ----------
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----------------------------------
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*/
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/*
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------------------------------------------------
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---------- Network Interfaces options ----------
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------------------------------------------------
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*/
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/**
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* LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
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* to be sent into one single pbuf. This is for compatibility with DMA-enabled
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* MACs that do not support scatter-gather.
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* Beware that this might involve CPU-memcpy before transmitting that would not
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* be needed without this flag! Use this only if you need to!
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*
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* @todo: TCP and IP-frag do not work with this, yet:
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*/
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#define LWIP_NETIF_TX_SINGLE_PBUF 1
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/*
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------------------------------------
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---------- LOOPIF options ----------
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------------------------------------
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*/
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/*
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------------------------------------
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---------- SLIPIF options ----------
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------------------------------------
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*/
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/*
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------------------------------------
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---------- Thread options ----------
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------------------------------------
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*/
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/**
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* TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
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* The stack size value itself is platform-dependent, but is passed to
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* sys_thread_new() when the thread is created.
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*/
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#define TCPIP_THREAD_STACKSIZE 512 //not ok:384
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/**
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* TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
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* The priority value itself is platform-dependent, but is passed to
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* sys_thread_new() when the thread is created.
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*/
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#define TCPIP_THREAD_PRIO (configMAX_PRIORITIES-5)
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/**
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* TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
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* The queue size value itself is platform-dependent, but is passed to
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* sys_mbox_new() when tcpip_init is called.
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*/
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#define TCPIP_MBOX_SIZE 16
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/**
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* DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
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* NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
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* to sys_mbox_new() when the recvmbox is created.
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*/
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#define DEFAULT_UDP_RECVMBOX_SIZE 6
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/**
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* DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
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* NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
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* to sys_mbox_new() when the recvmbox is created.
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*/
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#define DEFAULT_TCP_RECVMBOX_SIZE 6
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/**
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* DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
|
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* The queue size value itself is platform-dependent, but is passed to
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* sys_mbox_new() when the acceptmbox is created.
|
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|
*/
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#define DEFAULT_ACCEPTMBOX_SIZE 6
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/*
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----------------------------------------------
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---------- Sequential layer options ----------
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|
----------------------------------------------
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||||||
|
*/
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|
|
||||||
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/*
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||||||
|
------------------------------------
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||||||
|
---------- Socket options ----------
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||||||
|
------------------------------------
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||||||
|
*/
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/**
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* LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
|
||||||
|
* SO_SNDTIMEO processing.
|
||||||
|
*/
|
||||||
|
#define LWIP_SO_SNDTIMEO 1
|
||||||
|
|
||||||
|
/**
|
||||||
|
* LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
|
||||||
|
* SO_RCVTIMEO processing.
|
||||||
|
*/
|
||||||
|
#define LWIP_SO_RCVTIMEO 1
|
||||||
|
|
||||||
|
/**
|
||||||
|
* LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
|
||||||
|
* options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
|
||||||
|
* in seconds. (does not require sockets.c, and will affect tcp.c)
|
||||||
|
*/
|
||||||
|
#define LWIP_TCP_KEEPALIVE 1
|
||||||
|
|
||||||
|
/**
|
||||||
|
* LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
|
||||||
|
*/
|
||||||
|
#define LWIP_SO_RCVBUF 0
|
||||||
|
|
||||||
|
/**
|
||||||
|
* SO_REUSE==1: Enable SO_REUSEADDR option.
|
||||||
|
*/
|
||||||
|
#define SO_REUSE 1
|
||||||
|
|
||||||
|
/*
|
||||||
|
----------------------------------------
|
||||||
|
---------- Statistics options ----------
|
||||||
|
----------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
---------------------------------
|
||||||
|
---------- PPP options ----------
|
||||||
|
---------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
--------------------------------------
|
||||||
|
---------- Checksum options ----------
|
||||||
|
--------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
---------------------------------------
|
||||||
|
---------- IPv6 options ---------------
|
||||||
|
---------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
---------------------------------------
|
||||||
|
---------- Hook options ---------------
|
||||||
|
---------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
---------------------------------------
|
||||||
|
---------- Debugging options ----------
|
||||||
|
---------------------------------------
|
||||||
|
*/
|
||||||
|
|
||||||
|
// Uncomment this line, and set the individual debug options you want, for IP stack debug output
|
||||||
|
//#define LWIP_DEBUG
|
||||||
|
|
||||||
|
/**
|
||||||
|
* ETHARP_DEBUG: Enable debugging in etharp.c.
|
||||||
|
*/
|
||||||
|
#define ETHARP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* PBUF_DEBUG: Enable debugging in pbuf.c.
|
||||||
|
*/
|
||||||
|
#define PBUF_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* API_LIB_DEBUG: Enable debugging in api_lib.c.
|
||||||
|
*/
|
||||||
|
#define API_LIB_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* SOCKETS_DEBUG: Enable debugging in sockets.c.
|
||||||
|
*/
|
||||||
|
#define SOCKETS_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* IP_DEBUG: Enable debugging for IP.
|
||||||
|
*/
|
||||||
|
#define IP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* MEMP_DEBUG: Enable debugging in memp.c.
|
||||||
|
*/
|
||||||
|
#define MEMP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
|
||||||
|
*/
|
||||||
|
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
|
||||||
|
*/
|
||||||
|
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* UDP_DEBUG: Enable debugging in udp.c.
|
||||||
|
*/
|
||||||
|
#define UDP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* ICMP_DEBUG: Enable debugging in udp.c.
|
||||||
|
*/
|
||||||
|
#define ICMP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
/**
|
||||||
|
* TCPIP_DEBUG: Enable debugging in tcpip.c.
|
||||||
|
*/
|
||||||
|
#define TCPIP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* DHCP_DEBUG: Enable debugging in dhcp.c.
|
||||||
|
*/
|
||||||
|
#define DHCP_DEBUG LWIP_DBG_OFF
|
||||||
|
|
||||||
|
#define LWIP_POSIX_SOCKETS_IO_NAMES 0
|
||||||
|
|
||||||
|
#endif /* __LWIPOPTS_H__ */
|
134
examples/upnp/upnp.c
Normal file
134
examples/upnp/upnp.c
Normal file
|
@ -0,0 +1,134 @@
|
||||||
|
#include <string.h>
|
||||||
|
#include <lwip/udp.h>
|
||||||
|
#include <lwip/igmp.h>
|
||||||
|
#include <espressif/esp_common.h>
|
||||||
|
#include "upnp.h"
|
||||||
|
|
||||||
|
#define UPNP_MCAST_GRP ("239.255.255.250")
|
||||||
|
#define UPNP_MCAST_PORT (1900)
|
||||||
|
|
||||||
|
static const char* get_my_ip(void)
|
||||||
|
{
|
||||||
|
static char ip[16] = "0.0.0.0";
|
||||||
|
ip[0] = 0;
|
||||||
|
struct ip_info ipinfo;
|
||||||
|
(void) sdk_wifi_get_ip_info(STATION_IF, &ipinfo);
|
||||||
|
snprintf(ip, sizeof(ip), IPSTR, IP2STR(&ipinfo.ip));
|
||||||
|
return (char*) ip;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief This function joins a multicast group witht he specified ip/port
|
||||||
|
* @param group_ip the specified multicast group ip
|
||||||
|
* @param group_port the specified multicast port number
|
||||||
|
* @param recv the lwip UDP callback
|
||||||
|
* @retval udp_pcb* or NULL if joining failed
|
||||||
|
*/
|
||||||
|
static struct udp_pcb* mcast_join_group(char *group_ip, uint16_t group_port, void (* recv)(void * arg, struct udp_pcb * upcb, struct pbuf * p, struct ip_addr * addr, u16_t port))
|
||||||
|
{
|
||||||
|
bool status = false;
|
||||||
|
struct udp_pcb *upcb;
|
||||||
|
|
||||||
|
printf("Joining mcast group %s:%d\n", group_ip, group_port);
|
||||||
|
do {
|
||||||
|
upcb = udp_new();
|
||||||
|
if (!upcb) {
|
||||||
|
printf("Error, udp_new failed");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
udp_bind(upcb, IP_ADDR_ANY, group_port);
|
||||||
|
struct netif* netif = sdk_system_get_netif(STATION_IF);
|
||||||
|
if (!netif) {
|
||||||
|
printf("Error, netif is null");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (!(netif->flags & NETIF_FLAG_IGMP)) {
|
||||||
|
netif->flags |= NETIF_FLAG_IGMP;
|
||||||
|
igmp_start(netif);
|
||||||
|
}
|
||||||
|
ip_addr_t ipgroup;
|
||||||
|
ipaddr_aton(group_ip, &ipgroup);
|
||||||
|
err_t err = igmp_joingroup(&netif->ip_addr, &ipgroup);
|
||||||
|
if(ERR_OK != err) {
|
||||||
|
printf("Failed to join multicast group: %d", err);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
status = true;
|
||||||
|
} while(0);
|
||||||
|
|
||||||
|
if (status) {
|
||||||
|
printf("Join successs\n");
|
||||||
|
udp_recv(upcb, recv, upcb);
|
||||||
|
} else {
|
||||||
|
if (upcb) {
|
||||||
|
udp_remove(upcb);
|
||||||
|
}
|
||||||
|
upcb = NULL;
|
||||||
|
}
|
||||||
|
return upcb;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void send(struct udp_pcb *upcb, struct ip_addr *addr, u16_t port)
|
||||||
|
{
|
||||||
|
struct pbuf *p;
|
||||||
|
char msg[500];
|
||||||
|
snprintf(msg, sizeof(msg),
|
||||||
|
"HTTP/1.1 200 OK\r\n"
|
||||||
|
"CACHE-CONTROL: max-age=86400\r\n"
|
||||||
|
"DATE: Fri, 15 Apr 2016 04:56:29 GMT\r\n"
|
||||||
|
"EXT:\r\n"
|
||||||
|
"LOCATION: http://%s:80/setup.xml\r\n"
|
||||||
|
"OPT: \"http://schemas.upnp.org/upnp/1/0/\"; ns=01\r\n"
|
||||||
|
"01-NLS: b9200ebb-736d-4b93-bf03-835149d13983\r\n"
|
||||||
|
"SERVER: Unspecified, UPnP/1.0, Unspecified\r\n"
|
||||||
|
"ST: urn:Belkin:device:**\r\n"
|
||||||
|
"USN: uuid:Socket-1_0-38323636-4558-4dda-9188-cda0e6cc3dc0::urn:Belkin:device:**\r\n"
|
||||||
|
"X-User-Agent: redsonic\r\n\r\n", get_my_ip());
|
||||||
|
|
||||||
|
p = pbuf_alloc(PBUF_TRANSPORT, strlen(msg)+1, PBUF_RAM);
|
||||||
|
|
||||||
|
if (!p) {
|
||||||
|
printf("Failed to allocate transport buffer\n");
|
||||||
|
} else {
|
||||||
|
memcpy(p->payload, msg, strlen(msg)+1);
|
||||||
|
err_t err = udp_sendto(upcb, p, addr, port);
|
||||||
|
if (err < 0) {
|
||||||
|
printf("Error sending message: %s (%d)\n", lwip_strerr(err), err);
|
||||||
|
} else {
|
||||||
|
printf("Sent message '%s'\n", msg);
|
||||||
|
}
|
||||||
|
pbuf_free(p);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief This function is called when an UDP datagrm has been received on the port UDP_PORT.
|
||||||
|
* @param arg user supplied argument (udp_pcb.recv_arg)
|
||||||
|
* @param pcb the udp_pcb which received data
|
||||||
|
* @param p the packet buffer that was received
|
||||||
|
* @param addr the remote IP address from which the packet was received
|
||||||
|
* @param port the remote port from which the packet was received
|
||||||
|
* @retval None
|
||||||
|
*/
|
||||||
|
static void receive_callback(void *arg, struct udp_pcb *upcb, struct pbuf *p, struct ip_addr *addr, u16_t port)
|
||||||
|
{
|
||||||
|
if (p) {
|
||||||
|
printf("Msg received port:%d len:%d\n", port, p->len);
|
||||||
|
uint8_t *buf = (uint8_t*) p->payload;
|
||||||
|
printf("Msg received port:%d len:%d\nbuf: %s\n", port, p->len, buf);
|
||||||
|
|
||||||
|
send(upcb, addr, port);
|
||||||
|
|
||||||
|
pbuf_free(p);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Initialize the upnp server
|
||||||
|
* @retval true if init was succcessful
|
||||||
|
*/
|
||||||
|
bool upnp_server_init(void)
|
||||||
|
{
|
||||||
|
struct udp_pcb *upcb = mcast_join_group(UPNP_MCAST_GRP, UPNP_MCAST_PORT, receive_callback);
|
||||||
|
return (upcb != NULL);
|
||||||
|
}
|
2
examples/upnp/upnp.h
Normal file
2
examples/upnp/upnp.h
Normal file
|
@ -0,0 +1,2 @@
|
||||||
|
|
||||||
|
bool upnp_server_init(void);
|
114
examples/upnp/upnp_test.c
Normal file
114
examples/upnp/upnp_test.c
Normal file
|
@ -0,0 +1,114 @@
|
||||||
|
#include <esp8266.h>
|
||||||
|
#include <espressif/esp_common.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <esp8266.h>
|
||||||
|
#include <esp/uart.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <FreeRTOS.h>
|
||||||
|
#include <semphr.h>
|
||||||
|
#include <task.h>
|
||||||
|
#include <timers.h>
|
||||||
|
#include <queue.h>
|
||||||
|
#include <ota-tftp.h>
|
||||||
|
#include <rboot-api.h>
|
||||||
|
#include <lwip/pbuf.h>
|
||||||
|
#include <lwip/udp.h>
|
||||||
|
#include <lwip/tcp.h>
|
||||||
|
#include <lwip/ip_addr.h>
|
||||||
|
#include <lwip/api.h>
|
||||||
|
#include <lwip/netbuf.h>
|
||||||
|
#include <lwip/igmp.h>
|
||||||
|
#include <ssid_config.h>
|
||||||
|
#include <espressif/esp_wifi.h>
|
||||||
|
|
||||||
|
#include "lwipopts.h"
|
||||||
|
#include "upnp.h"
|
||||||
|
#include "httpd.h"
|
||||||
|
|
||||||
|
/** User friendly FreeRTOS delay macro */
|
||||||
|
#define delay_ms(ms) vTaskDelay(ms / portTICK_PERIOD_MS)
|
||||||
|
|
||||||
|
/** Semaphore to signal wifi availability */
|
||||||
|
static SemaphoreHandle_t wifi_alive;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief This is the multicast task
|
||||||
|
* @param arg user supplied argument from xTaskCreate
|
||||||
|
* @retval None
|
||||||
|
*/
|
||||||
|
static void mcast_task(void *arg)
|
||||||
|
{
|
||||||
|
xSemaphoreTake(wifi_alive, portMAX_DELAY);
|
||||||
|
xSemaphoreGive(wifi_alive);
|
||||||
|
|
||||||
|
(void) upnp_server_init();
|
||||||
|
while(1) {
|
||||||
|
delay_ms(2000);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief This is the wifi connection task
|
||||||
|
* @param arg user supplied argument from xTaskCreate
|
||||||
|
* @retval None
|
||||||
|
*/
|
||||||
|
static void wifi_task(void *pvParameters)
|
||||||
|
{
|
||||||
|
uint8_t status = 0;
|
||||||
|
uint8_t retries = 30;
|
||||||
|
struct sdk_station_config config = {
|
||||||
|
.ssid = WIFI_SSID,
|
||||||
|
.password = WIFI_PASS,
|
||||||
|
};
|
||||||
|
|
||||||
|
xSemaphoreTake(wifi_alive, portMAX_DELAY);
|
||||||
|
printf("WiFi: connecting to WiFi\n");
|
||||||
|
sdk_wifi_set_opmode(STATION_MODE);
|
||||||
|
sdk_wifi_station_set_config(&config);
|
||||||
|
|
||||||
|
while(1) {
|
||||||
|
while (status != STATION_GOT_IP && retries) {
|
||||||
|
status = sdk_wifi_station_get_connect_status();
|
||||||
|
if(status == STATION_WRONG_PASSWORD) {
|
||||||
|
printf("WiFi: wrong password\n");
|
||||||
|
break;
|
||||||
|
} else if(status == STATION_NO_AP_FOUND) {
|
||||||
|
printf("WiFi: AP not found\n");
|
||||||
|
break;
|
||||||
|
} else if(status == STATION_CONNECT_FAIL) {
|
||||||
|
printf("WiFi: connection failed\n");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
delay_ms(1000);
|
||||||
|
retries--;
|
||||||
|
}
|
||||||
|
if (status == STATION_GOT_IP) {
|
||||||
|
printf("WiFi: connected\n");
|
||||||
|
xSemaphoreGive(wifi_alive);
|
||||||
|
taskYIELD();
|
||||||
|
}
|
||||||
|
|
||||||
|
while ((status = sdk_wifi_station_get_connect_status()) == STATION_GOT_IP) {
|
||||||
|
xSemaphoreGive(wifi_alive);
|
||||||
|
taskYIELD();
|
||||||
|
}
|
||||||
|
printf("WiFi: disconnected\n");
|
||||||
|
sdk_wifi_station_disconnect();
|
||||||
|
delay_ms(1000);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void user_init(void)
|
||||||
|
{
|
||||||
|
uart_set_baud(0, 115200);
|
||||||
|
vSemaphoreCreateBinary(wifi_alive);
|
||||||
|
ota_tftp_init_server(TFTP_PORT);
|
||||||
|
xTaskCreate(&wifi_task, "wifi_task", 256, NULL, 2, NULL);
|
||||||
|
delay_ms(250);
|
||||||
|
xTaskCreate(&httpd_task, "http_server", 1024, NULL, 4, NULL);
|
||||||
|
xTaskCreate(&mcast_task, "mcast_task", 1024, NULL, 4, NULL);
|
||||||
|
}
|
Loading…
Reference in a new issue