蔡 秉庭 / Mbed OS 2020_09_25_mqtt

2020_09_25_mqtt

Dependencies:   HTS221 VL53L0X BSP_B-L475E-IOT01 MQTT

main.cpp@1:5a9fdc848911, 2019-12-10 (annotated)

Committer:
cornetlin
Date:
Tue Dec 10 07:13:20 2019 +0000
Revision:
1:5a9fdc848911
Parent:
0:8d0ccf7acecd
Child:
2:a21eb3abb874
L475VG-IOT01A+WIFI+MQTT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cornetlin 1:5a9fdc848911 1 /* WiFi+MQTT Example
cornetlin 1:5a9fdc848911 2 */
JunkoNakajima 0:8d0ccf7acecd 3
JunkoNakajima 0:8d0ccf7acecd 4 #include "mbed.h"
JunkoNakajima 0:8d0ccf7acecd 5 #include "TCPSocket.h"
JunkoNakajima 0:8d0ccf7acecd 6 #include "wifi-ism43362/ISM43362Interface.h"
cornetlin 1:5a9fdc848911 7 #define logMessage printf
cornetlin 1:5a9fdc848911 8 #define MQTTCLIENT_QOS2 1
cornetlin 1:5a9fdc848911 9 #include "MQTTNetwork.h"
cornetlin 1:5a9fdc848911 10 #include "MQTTmbed.h"
cornetlin 1:5a9fdc848911 11 #include "MQTTClient.h"
JunkoNakajima 0:8d0ccf7acecd 12
JunkoNakajima 0:8d0ccf7acecd 13 ISM43362Interface net;
JunkoNakajima 0:8d0ccf7acecd 14 // WiFiInterface *wifi;
JunkoNakajima 0:8d0ccf7acecd 15
cornetlin 1:5a9fdc848911 16 void messageArrived(MQTT::MessageData& md)
cornetlin 1:5a9fdc848911 17 {
cornetlin 1:5a9fdc848911 18 MQTT::Message &message = md.message;
cornetlin 1:5a9fdc848911 19 logMessage("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id);
cornetlin 1:5a9fdc848911 20 logMessage("Payload %.*s\r\n", message.payloadlen, (char*)message.payload);
cornetlin 1:5a9fdc848911 21 //++arrivedcount;
cornetlin 1:5a9fdc848911 22 }
cornetlin 1:5a9fdc848911 23
JunkoNakajima 0:8d0ccf7acecd 24 int main(void){
JunkoNakajima 0:8d0ccf7acecd 25
JunkoNakajima 0:8d0ccf7acecd 26 int count = 0;
JunkoNakajima 0:8d0ccf7acecd 27
cornetlin 1:5a9fdc848911 28 printf("\r\nWiFi+MQTT Example Demo\n");
JunkoNakajima 0:8d0ccf7acecd 29
JunkoNakajima 0:8d0ccf7acecd 30 // Connect to Wifi
JunkoNakajima 0:8d0ccf7acecd 31 printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
JunkoNakajima 0:8d0ccf7acecd 32 int ret = net.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
JunkoNakajima 0:8d0ccf7acecd 33 if (ret != 0) {
JunkoNakajima 0:8d0ccf7acecd 34 printf("\nConnection error: %d\n", ret);
JunkoNakajima 0:8d0ccf7acecd 35 return -1;
JunkoNakajima 0:8d0ccf7acecd 36 }
JunkoNakajima 0:8d0ccf7acecd 37
JunkoNakajima 0:8d0ccf7acecd 38 printf("Success\n\n");
JunkoNakajima 0:8d0ccf7acecd 39 printf("MAC: %s\n", net.get_mac_address());
JunkoNakajima 0:8d0ccf7acecd 40 printf("IP: %s\n", net.get_ip_address());
JunkoNakajima 0:8d0ccf7acecd 41 printf("Netmask: %s\n", net.get_netmask());
JunkoNakajima 0:8d0ccf7acecd 42 printf("Gateway: %s\n", net.get_gateway());
JunkoNakajima 0:8d0ccf7acecd 43 printf("RSSI: %d\n\n", net.get_rssi());
JunkoNakajima 0:8d0ccf7acecd 44
cornetlin 1:5a9fdc848911 45 printf("\Wifi Example Done,MQTT Example Start\n");
cornetlin 1:5a9fdc848911 46
cornetlin 1:5a9fdc848911 47 // MQTT Example Start
cornetlin 1:5a9fdc848911 48 float version = 0.6;
cornetlin 1:5a9fdc848911 49 char* publishtopic = "publishtest";
cornetlin 1:5a9fdc848911 50 char* subscribetopic = "subscribtest";
cornetlin 1:5a9fdc848911 51
cornetlin 1:5a9fdc848911 52 logMessage("HelloMQTT: version is %.2f\r\n", version);
JunkoNakajima 0:8d0ccf7acecd 53
cornetlin 1:5a9fdc848911 54 NetworkInterface* network = &net;
cornetlin 1:5a9fdc848911 55 if (!network) {
cornetlin 1:5a9fdc848911 56 return -1;
cornetlin 1:5a9fdc848911 57 }
JunkoNakajima 0:8d0ccf7acecd 58
cornetlin 1:5a9fdc848911 59 MQTTNetwork mqttNetwork(network);
cornetlin 1:5a9fdc848911 60
cornetlin 1:5a9fdc848911 61 MQTT::Client<MQTTNetwork, Countdown> client(mqttNetwork);
JunkoNakajima 0:8d0ccf7acecd 62
cornetlin 1:5a9fdc848911 63 const char* hostname = "192.168.0.120";
cornetlin 1:5a9fdc848911 64 int port = 1883;
cornetlin 1:5a9fdc848911 65 logMessage("Connecting to %s:%d\r\n", hostname, port);
cornetlin 1:5a9fdc848911 66 int rc = mqttNetwork.connect(hostname, port);
cornetlin 1:5a9fdc848911 67 if (rc != 0)
cornetlin 1:5a9fdc848911 68 logMessage("rc from TCP connect is %d\r\n", rc);
JunkoNakajima 0:8d0ccf7acecd 69
cornetlin 1:5a9fdc848911 70 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
cornetlin 1:5a9fdc848911 71 data.MQTTVersion = 3;
cornetlin 1:5a9fdc848911 72 data.clientID.cstring = "mbed-sample";
cornetlin 1:5a9fdc848911 73 data.username.cstring = "testuser";
cornetlin 1:5a9fdc848911 74 data.password.cstring = "testpassword";
cornetlin 1:5a9fdc848911 75 if ((rc = client.connect(data)) != 0)
cornetlin 1:5a9fdc848911 76 logMessage("rc from MQTT connect is %d\r\n", rc);
JunkoNakajima 0:8d0ccf7acecd 77
cornetlin 1:5a9fdc848911 78 if ((rc = client.subscribe(publishtopic, MQTT::QOS2, messageArrived)) != 0)
cornetlin 1:5a9fdc848911 79 logMessage("rc from MQTT subscribe is %d\r\n", rc);
cornetlin 1:5a9fdc848911 80 if ((rc = client.subscribe(subscribetopic, MQTT::QOS2, messageArrived)) != 0)
cornetlin 1:5a9fdc848911 81 logMessage("rc from MQTT subscribe is %d\r\n", rc);
cornetlin 1:5a9fdc848911 82
JunkoNakajima 0:8d0ccf7acecd 83
JunkoNakajima 0:8d0ccf7acecd 84 // Get device health data, send to Treasure Data every 10 seconds
JunkoNakajima 0:8d0ccf7acecd 85 while(1){
cornetlin 1:5a9fdc848911 86
cornetlin 1:5a9fdc848911 87 printf("\test\n");
cornetlin 1:5a9fdc848911 88 MQTT::Message message;
JunkoNakajima 0:8d0ccf7acecd 89
cornetlin 1:5a9fdc848911 90 // QoS 0
cornetlin 1:5a9fdc848911 91 char buf[100];
cornetlin 1:5a9fdc848911 92 sprintf(buf, "Hello World! QoS 0 message from app version %f\r\n", version);
cornetlin 1:5a9fdc848911 93 message.qos = MQTT::QOS0;
cornetlin 1:5a9fdc848911 94 message.retained = false;
cornetlin 1:5a9fdc848911 95 message.dup = false;
cornetlin 1:5a9fdc848911 96 message.payload = (void*)buf;
cornetlin 1:5a9fdc848911 97 message.payloadlen = strlen(buf)+1;
cornetlin 1:5a9fdc848911 98 rc = client.publish(publishtopic, message);
cornetlin 1:5a9fdc848911 99 client.yield(100);
JunkoNakajima 0:8d0ccf7acecd 100
cornetlin 1:5a9fdc848911 101
cornetlin 1:5a9fdc848911 102 //int x = 0;
cornetlin 1:5a9fdc848911 103 wait(1);
JunkoNakajima 0:8d0ccf7acecd 104
JunkoNakajima 0:8d0ccf7acecd 105 }
JunkoNakajima 0:8d0ccf7acecd 106
cornetlin 1:5a9fdc848911 107 // net.disconnect();
JunkoNakajima 0:8d0ccf7acecd 108
JunkoNakajima 0:8d0ccf7acecd 109 }