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1218
Dependencies: mbed-os-example-wifi-DISCO_IOTBOARD_MQTT MQTT
main.cpp
- Committer:
- cornetlin
- Date:
- 2019-04-23
- Revision:
- 59:9bbcc1b368ba
- Parent:
- 58:8d4bde75ebb9
- Child:
- 60:5e586131c009
File content as of revision 59:9bbcc1b368ba:
/* WiFi Example * Copyright (c) 2018 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ //MQTT+WIFI #define logMessage printf #define MQTTCLIENT_QOS2 1 #include "MQTTNetwork.h" #include "MQTTmbed.h" #include "MQTTClient.h" int arrivedcount = 0; // #include "mbed.h" #include "TCPSocket.h" #define WIFI_IDW0XX1 2 #if (defined(TARGET_DISCO_L475VG_IOT01A) || defined(TARGET_DISCO_F413ZH)) #include "ISM43362Interface.h" ISM43362Interface wifi(MBED_CONF_APP_WIFI_SPI_MOSI, MBED_CONF_APP_WIFI_SPI_MISO, MBED_CONF_APP_WIFI_SPI_SCLK, MBED_CONF_APP_WIFI_SPI_NSS, MBED_CONF_APP_WIFI_RESET, MBED_CONF_APP_WIFI_DATAREADY, MBED_CONF_APP_WIFI_WAKEUP, false); #else // External WiFi modules #if MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1 #include "SpwfSAInterface.h" SpwfSAInterface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX); #endif // MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1 #endif void messageArrived(MQTT::MessageData& md) { MQTT::Message &message = md.message; logMessage("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id); logMessage("Payload %.*s\r\n", message.payloadlen, (char*)message.payload); ++arrivedcount; } const char *sec2str(nsapi_security_t sec) { switch (sec) { case NSAPI_SECURITY_NONE: return "None"; case NSAPI_SECURITY_WEP: return "WEP"; case NSAPI_SECURITY_WPA: return "WPA"; case NSAPI_SECURITY_WPA2: return "WPA2"; case NSAPI_SECURITY_WPA_WPA2: return "WPA/WPA2"; case NSAPI_SECURITY_UNKNOWN: default: return "Unknown"; } } int scan_demo(WiFiInterface *wifi) { WiFiAccessPoint *ap; printf("Scan:\n"); int count = wifi->scan(NULL,0); printf("%d networks available.\n", count); /* Limit number of network arbitrary to 15 */ count = count < 15 ? count : 15; ap = new WiFiAccessPoint[count]; count = wifi->scan(ap, count); for (int i = 0; i < count; i++) { printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(), sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); } delete[] ap; return count; } void http_demo(NetworkInterface *net) { TCPSocket socket; nsapi_error_t response; printf("Sending HTTP request to www.arm.com...\n"); // Open a socket on the network interface, and create a TCP connection to www.arm.com socket.open(net); response = socket.connect("www.arm.com", 80); if(0 != response) { printf("Error connecting: %d\n", response); socket.close(); return; } // Send a simple http request char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n"; nsapi_size_t size = strlen(sbuffer); response = 0; while(size) { response = socket.send(sbuffer+response, size); if (response < 0) { printf("Error sending data: %d\n", response); socket.close(); return; } else { size -= response; // Check if entire message was sent or not printf("sent %d [%.*s]\n", response, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); } } // Recieve a simple http response and print out the response line char rbuffer[64]; response = socket.recv(rbuffer, sizeof rbuffer); if (response < 0) { printf("Error receiving data: %d\n", response); } else { printf("recv %d [%.*s]\n", response, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); } // Close the socket to return its memory and bring down the network interface socket.close(); } int main() { int count = 0; printf("WiFi example\n\n"); count = scan_demo(&wifi); if (count == 0) { printf("No WIFI APNs found - can't continue further.\n"); return -1; } printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID); int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); //int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA); if (ret != 0) { printf("\nConnection error\n"); return -1; } printf("Success\n\n"); printf("MAC: %s\n", wifi.get_mac_address()); printf("IP: %s\n", wifi.get_ip_address()); printf("Netmask: %s\n", wifi.get_netmask()); printf("Gateway: %s\n", wifi.get_gateway()); printf("RSSI: %d\n\n", wifi.get_rssi()); http_demo(&wifi); //wifi.disconnect(); printf("\Wifi Example Done,MQTT Example Start\n"); // MQTT Example Start float version = 0.6; char* topic = "test1"; logMessage("HelloMQTT: version is %.2f\r\n", version); NetworkInterface* network = &wifi; if (!network) { return -1; } MQTTNetwork mqttNetwork(network); MQTT::Client<MQTTNetwork, Countdown> client(mqttNetwork); const char* hostname = "192.168.0.120"; int port = 1883; logMessage("Connecting to %s:%d\r\n", hostname, port); int rc = mqttNetwork.connect(hostname, port); if (rc != 0) logMessage("rc from TCP connect is %d\r\n", rc); MQTTPacket_connectData data = MQTTPacket_connectData_initializer; data.MQTTVersion = 3; data.clientID.cstring = "mbed-sample"; data.username.cstring = "testuser"; data.password.cstring = "testpassword"; if ((rc = client.connect(data)) != 0) logMessage("rc from MQTT connect is %d\r\n", rc); if ((rc = client.subscribe(topic, MQTT::QOS2, messageArrived)) != 0) logMessage("rc from MQTT subscribe is %d\r\n", rc); MQTT::Message message; // QoS 0 char buf[100]; sprintf(buf, "Hello World! QoS 0 message from app version %f\r\n", version); message.qos = MQTT::QOS0; message.retained = false; message.dup = false; message.payload = (void*)buf; message.payloadlen = strlen(buf)+1; rc = client.publish(topic, message); while (arrivedcount < 1) client.yield(100); // QoS 1 sprintf(buf, "Hello World! QoS 1 message from app version %f\r\n", version); message.qos = MQTT::QOS1; message.payloadlen = strlen(buf)+1; rc = client.publish(topic, message); while (arrivedcount < 2) client.yield(100); // QoS 2 sprintf(buf, "Hello World! QoS 2 message from app version %f\r\n", version); message.qos = MQTT::QOS2; message.payloadlen = strlen(buf)+1; rc = client.publish(topic, message); while (arrivedcount < 3) client.yield(100); if ((rc = client.unsubscribe(topic)) != 0) logMessage("rc from unsubscribe was %d\r\n", rc); if ((rc = client.disconnect()) != 0) logMessage("rc from disconnect was %d\r\n", rc); mqttNetwork.disconnect(); logMessage("Version %.2f: finish %d msgs\r\n", version, arrivedcount); return 0; }