mirror of
https://github.com/clockworkpi/PicoCalc.git
synced 2025-12-12 18:28:53 +01:00
269 lines
9.7 KiB
C
269 lines
9.7 KiB
C
/***********************************************************************************************************************
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PicoMite MMBasic
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custom.c
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<COPYRIGHT HOLDERS> Geoff Graham, Peter Mather
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Copyright (c) 2021, <COPYRIGHT HOLDERS> All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the distribution.
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3. The name MMBasic be used when referring to the interpreter in any documentation and promotional material and the original copyright message be displayed
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on the console at startup (additional copyright messages may be added).
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4. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed
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by the <copyright holder>.
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5. Neither the name of the <copyright holder> nor the names of its contributors may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDERS> AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDERS> BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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************************************************************************************************************************/
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#include "MMBasic_Includes.h"
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#include "Hardware_Includes.h"
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#if LWIP_TCP
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/** Define this to a compile-time IP address initialization
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* to connect anything else than IPv4 loopback
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*/
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#ifndef LWIP_MQTT_EXAMPLE_IPADDR_INIT
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#if LWIP_IPV4
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#define LWIP_MQTT_EXAMPLE_IPADDR_INIT = IPADDR4_INIT(PP_HTONL(0x144F466D))
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#else
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#define LWIP_MQTT_EXAMPLE_IPADDR_INIT
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#endif
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#endif
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#undef LWIP_PLATFORM_DIAG
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#define LWIP_PLATFORM_DIAG
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enum {
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TCP_DISCONNECTED,
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TCP_CONNECTING,
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MQTT_CONNECTING,
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MQTT_CONNECTED
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};
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//static ip_addr_t mqtt_ip LWIP_MQTT_EXAMPLE_IPADDR_INIT;
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static mqtt_client_t* mqtt_client=NULL;
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unsigned char topicbuff[STRINGSIZE]={0};
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unsigned char messagebuff[STRINGSIZE]={0};
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unsigned char addressbuff[20]={0};
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typedef struct mqtt_dns_t_ {
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ip_addr_t remote;
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int complete;
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} mqtt_dns_t;
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mqtt_dns_t mqtt_dns = {
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{0},
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0
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};
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typedef struct mqtt_subs_t_ {
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char topic[STRINGSIZE];
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int complete;
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} mqtt_subs_t;
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mqtt_subs_t mqtt_subs={
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"",
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0
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};
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static void mqtt_dns_found(const char *hostname, const ip_addr_t *ipaddr, void *arg) {
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mqtt_dns_t *dns=(mqtt_dns_t *)arg;
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if (ipaddr) {
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dns->remote = *ipaddr;
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dns->complete=1;
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char buff[STRINGSIZE]={0};
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sprintf(buff,"tcp address %s\r\n", ip4addr_ntoa(ipaddr));
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if(!optionsuppressstatus)MMPrintString(buff);
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}
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}
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struct mqtt_connect_client_info_t mqtt_client_info =
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{
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NULL,
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NULL, /* user */
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NULL, /* pass */
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100, /* keep alive */
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NULL, /* will_topic */
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NULL, /* will_msg */
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1, /* will_qos */
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1 /* will_retain */
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#if LWIP_ALTCP && LWIP_ALTCP_TLS
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, NULL
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#endif
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};
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static void
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mqtt_incoming_data_cb(void *arg, const u8_t *data, u16_t len, u8_t flags)
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{
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int mylen=len;
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if(mylen>255)mylen=255;
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memset(messagebuff,0,sizeof(messagebuff));
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memcpy(&messagebuff[1],data,mylen);
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messagebuff[0]=mylen;
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MQTTComplete=1;
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}
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static void
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mqtt_incoming_publish_cb(void *arg, const char *topic, u32_t tot_len)
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{
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int mylen=strlen(topic);
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if(mylen>255)mylen=255;
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memset(topicbuff,0,sizeof(topicbuff));
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memcpy(&topicbuff[1],topic,mylen);
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topicbuff[0]=mylen;
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}
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static void
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mqtt_submessage_cb(void *arg, err_t err)
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{
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mqtt_subs_t *state=(mqtt_subs_t *)arg;
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state->complete=1;
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}
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static void
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mqtt_unsubmessage_cb(void *arg, err_t err)
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{
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mqtt_subs_t *state=(mqtt_subs_t *)arg;
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state->complete=1;
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}
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static void
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mqtt_request_cb(void *arg, err_t err)
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{
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// const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
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// LWIP_PLATFORM_DIAG(("MQTT client \"%s\" request cb: err %d\n", client_info->client_id, (int)err));
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}
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static void
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mqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection_status_t status)
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{
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// const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
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// LWIP_UNUSED_ARG(client);
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// LWIP_PLATFORM_DIAG(("MQTT client \"%s\" mqtt connection cb: status %d\n", client_info->client_id, (int)status));
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}
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#endif /* LWIP_TCP */
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void
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mqtt_example_init(ip_addr_t *mqtt_ip, int port)
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{
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#if LWIP_TCP
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//mqtt_connection_status_t status;
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mqtt_client = mqtt_client_new();
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mqtt_client->keep_alive=100;
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if(!optionsuppressstatus)printf("Connecting to %s port %u\r\n", ip4addr_ntoa(mqtt_ip), port);
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mqtt_client_connect(mqtt_client,
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mqtt_ip, port,
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mqtt_connection_cb, &mqtt_client_info,
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&mqtt_client_info);
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Timer4=5000;
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while(Timer4 && mqtt_client->conn_state != MQTT_CONNECTED)if(startupcomplete)cyw43_arch_poll();
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if(Timer4==0)error("Failed to connect");
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mqtt_set_inpub_callback(mqtt_client,
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mqtt_incoming_publish_cb,
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mqtt_incoming_data_cb,
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&mqtt_client_info);
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#endif /* LWIP_TCP */
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}
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void closeMQTT(void){
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if(mqtt_client){
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mqtt_disconnect(mqtt_client);
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mqtt_client_free(mqtt_client);
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mqtt_client=NULL;
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}
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}
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//static struct altcp_tls_config *tls_config = NULL;
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int cmd_mqtt(void){
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unsigned char *tp=checkstring(cmdline,(unsigned char *)"MQTT CONNECT");
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if(tp){
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getargs(&tp,9,(unsigned char *)",");
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char *IP=GetTempMemory(STRINGSIZE);
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char *ID=GetTempMemory(STRINGSIZE);
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if(mqtt_client)error("Already connected");
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int timeout=5000;
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if(!(argc==7 || argc==9))error("Syntax");
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IP=(char *)getCstring(argv[0]);
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int port=getint(argv[2],1,65535);
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ip4_addr_t remote_addr;
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// if(port==8883){
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// tls_config = altcp_tls_create_config_client(NULL, 0);
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// mqtt_client_info.tls_config=tls_config;
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// }
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mqtt_client_info.client_user=(char *)getCstring(argv[4]);
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mqtt_client_info.client_pass=(char *)getCstring(argv[6]);
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if(argc==9){
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MQTTInterrupt=(char *)GetIntAddress(argv[8]);
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InterruptUsed=true;
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}
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else MQTTInterrupt=NULL;
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MQTTComplete=0;
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strcpy(ID,"WebMite");
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strcat(ID,id_out);
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IntToStr(&ID[strlen(ID)],time_us_64(),16);
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mqtt_client_info.client_id=ID;
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if(!isalpha((uint8_t)*IP) && strchr(IP,'.') && strchr(IP,'.')<IP+4){
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if(!ip4addr_aton(IP, &remote_addr))error("Invalid address format");
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mqtt_dns.remote=remote_addr;
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} else {
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int err = dns_gethostbyname(IP, &remote_addr, mqtt_dns_found, &mqtt_dns);
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Timer4=timeout;
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while(!mqtt_dns.complete && Timer4 && !(err==ERR_OK))if(startupcomplete)cyw43_arch_poll();
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if(!Timer4)error("Failed to convert web address");
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mqtt_dns.complete=0;
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}
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mqtt_example_init(&mqtt_dns.remote,port);
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return 1;
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}
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tp=checkstring(cmdline,(unsigned char *)"MQTT PUBLISH");
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if(tp){
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getargs(&tp,7,(unsigned char *)",");
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int qos=1;
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int retain=1;
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if(argc<3)error("Syntax");
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char *topic=(char *)getCstring(argv[0]);
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char *msg=(char *)getCstring(argv[2]);
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if(argc>=5 && *argv[4])qos=getint(argv[4],0,2);
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if(argc==7)retain=getint(argv[6],0,1);
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mqtt_publish(mqtt_client, topic, msg, strlen(msg), qos, retain, mqtt_request_cb , (void *)&mqtt_client_info);
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return 1;
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}
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tp=checkstring(cmdline,(unsigned char *)"MQTT SUBSCRIBE");
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if(tp){
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getargs(&tp,3,(unsigned char *)",");
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if(!(argc>=1))error("Syntax");
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strcpy(mqtt_subs.topic,(char *)getCstring(argv[0]));
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int qos=0;
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if(argc==3)qos=getint(argv[2],0,2);
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mqtt_subs.complete=0;
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Timer4=4000;
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mqtt_sub_unsub(mqtt_client, mqtt_subs.topic, qos, mqtt_submessage_cb, &mqtt_subs, 1);
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while(Timer4 && !mqtt_subs.complete)if(startupcomplete)cyw43_arch_poll();
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if(Timer4==0)error("Failed to subscribe to $",mqtt_subs.topic);
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return 1;
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}
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tp=checkstring(cmdline,(unsigned char *)"MQTT UNSUBSCRIBE");
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if(tp){
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strcpy(mqtt_subs.topic,(char *)getCstring(tp));
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mqtt_subs.complete=0;
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Timer4=4000;
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mqtt_sub_unsub(mqtt_client, mqtt_subs.topic, 0, mqtt_unsubmessage_cb, &mqtt_subs, 0);
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while(Timer4 && !mqtt_subs.complete)if(startupcomplete)cyw43_arch_poll();
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if(Timer4==0)error("Failed to unsubscribe to $",mqtt_subs.topic);
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return 1;
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}
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tp=checkstring(cmdline,(unsigned char *)"MQTT CLOSE");
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if(tp){
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if(!mqtt_client)return 1;
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closeMQTT();
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return 1;
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}
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return 0;
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} |