INSAT_MiniPRoject

Dependencies:   MQTT NDefLib NetworkSocketAPI Servo Light_Sensor_Nucleo X_NUCLEO_IDW01M1v2 mbed

Fork of IDW01M1_Cloud_IBM by ST

Committer:
mapellil
Date:
Tue Oct 04 12:05:15 2016 +0000
Revision:
18:2c229fa282fa
Parent:
17:83d0cd810ed3
Child:
20:517b559ce91d
Minor changes

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mridup 10:c7b62ce013ad 1 /* SpwfInterface NetworkSocketAPI Example Program
mridup 10:c7b62ce013ad 2 * Copyright (c) 2015 ARM Limited
mridup 10:c7b62ce013ad 3 *
mridup 10:c7b62ce013ad 4 * Licensed under the Apache License, Version 2.0 (the "License");
mridup 10:c7b62ce013ad 5 * you may not use this file except in compliance with the License.
mridup 10:c7b62ce013ad 6 * You may obtain a copy of the License at
mridup 10:c7b62ce013ad 7 *
mridup 10:c7b62ce013ad 8 * http://www.apache.org/licenses/LICENSE-2.0
mridup 10:c7b62ce013ad 9 *
mridup 10:c7b62ce013ad 10 * Unless required by applicable law or agreed to in writing, software
mridup 10:c7b62ce013ad 11 * distributed under the License is distributed on an "AS IS" BASIS,
mridup 10:c7b62ce013ad 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mridup 10:c7b62ce013ad 13 * See the License for the specific language governing permissions and
mridup 10:c7b62ce013ad 14 * limitations under the License.
mridup 10:c7b62ce013ad 15 */
mridup 10:c7b62ce013ad 16
mridup 0:cbf8bc43bc9e 17 #include "mbed.h"
mapellil 14:641560b57584 18 #include "SpwfInterface.h"
mridup 4:1ed7f173eec5 19 #include "TCPSocket.h"
fabiombed 13:0b31131bf711 20 #include "MQTTClient.h"
mapellil 14:641560b57584 21 #include "MQTTWiFi.h"
mapellil 14:641560b57584 22 #include <ctype.h>
mapellil 14:641560b57584 23 #include "x_nucleo_iks01a1.h"
fabiombed 13:0b31131bf711 24
mridup 0:cbf8bc43bc9e 25 //------------------------------------
mridup 0:cbf8bc43bc9e 26 // Hyperterminal configuration
mridup 0:cbf8bc43bc9e 27 // 9600 bauds, 8-bit data, no parity
mridup 0:cbf8bc43bc9e 28 //------------------------------------
mridup 8:6df01cb43137 29 Serial pc(SERIAL_TX, SERIAL_RX);
mridup 3:dfb8c6c8c31b 30 DigitalOut myled(LED1);
mapellil 14:641560b57584 31 SpwfSAInterface spwf(D8, D2, false);
mapellil 14:641560b57584 32 bool quickstartMode = true;
mapellil 17:83d0cd810ed3 33
mapellil 17:83d0cd810ed3 34 #define ORG_QUICKSTART // comment to connect to play.internetofthings.ibmcloud.com
mapellil 14:641560b57584 35
mapellil 14:641560b57584 36 #define MQTT_MAX_PACKET_SIZE 250
mapellil 14:641560b57584 37 #define MQTT_MAX_PAYLOAD_SIZE 300
mapellil 17:83d0cd810ed3 38
mapellil 14:641560b57584 39 // Configuration values needed to connect to IBM IoT Cloud
mapellil 17:83d0cd810ed3 40 #ifdef ORG_QUICKSTART
mapellil 17:83d0cd810ed3 41 #define ORG "quickstart" // connect to quickstart.internetofthings.ibmcloud.com/ For a registered connection, replace with your org
mapellil 17:83d0cd810ed3 42 #define ID ""
mapellil 17:83d0cd810ed3 43 #define AUTH_TOKEN ""
mapellil 14:641560b57584 44 #define DEFAULT_TYPE_NAME "iotsample-mbed-NucleoF401RE"
mapellil 17:83d0cd810ed3 45
mapellil 17:83d0cd810ed3 46 #else
mapellil 17:83d0cd810ed3 47 #define ORG "play" // connect to play.internetofthings.ibmcloud.com/ For a registered connection, replace with your org
mapellil 17:83d0cd810ed3 48 #define ID "testnucleo2" // For a registered connection, replace with your id
mapellil 17:83d0cd810ed3 49 #define AUTH_TOKEN "centrallab"// For a registered connection, replace with your auth-token
mapellil 17:83d0cd810ed3 50 #define DEFAULT_TYPE_NAME "sensor"
mapellil 17:83d0cd810ed3 51 #endif
mapellil 17:83d0cd810ed3 52
mapellil 14:641560b57584 53 #define TYPE DEFAULT_TYPE_NAME // For a registered connection, replace with your type
mapellil 14:641560b57584 54 #define MQTT_PORT 1883
mapellil 14:641560b57584 55 #define MQTT_TLS_PORT 8883
mapellil 14:641560b57584 56 #define IBM_IOT_PORT MQTT_PORT
mapellil 16:233b89a6b72f 57 // WiFi network credential
mapellil 16:233b89a6b72f 58 #define SSID "crespan" // Network must be visible otherwise it can't connect
mapellil 18:2c229fa282fa 59 #define PASSW ""
mapellil 16:233b89a6b72f 60 #warning "Wifi password empty"
mapellil 14:641560b57584 61
mapellil 14:641560b57584 62 char id[30] = ID; // mac without colons
mapellil 14:641560b57584 63 char org[12] = ORG;
mapellil 14:641560b57584 64 int connack_rc = 0; // MQTT connack return code
mapellil 14:641560b57584 65 const char* ip_addr = "";
mapellil 14:641560b57584 66 char* host_addr = "";
mapellil 14:641560b57584 67 char type[30] = TYPE;
mapellil 14:641560b57584 68 char auth_token[30] = AUTH_TOKEN; // Auth_token is only used in non-quickstart mode
mapellil 14:641560b57584 69 bool netConnecting = false;
mapellil 14:641560b57584 70 //int connectTimeout = 1000;
mapellil 14:641560b57584 71 int connectTimeout = 10;
mapellil 14:641560b57584 72 bool mqttConnecting = false;
mapellil 14:641560b57584 73 bool netConnected = false;
mapellil 14:641560b57584 74 bool connected = false;
mapellil 14:641560b57584 75 int retryAttempt = 0;
mapellil 14:641560b57584 76
mapellil 14:641560b57584 77 PressureSensor *pressure_sensor;
mapellil 14:641560b57584 78 HumiditySensor *humidity_sensor;
mapellil 14:641560b57584 79 TempSensor *temp_sensor1;
mapellil 14:641560b57584 80
mapellil 14:641560b57584 81
mapellil 14:641560b57584 82 int connect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 83 {
mapellil 14:641560b57584 84 const char* iot_ibm = ".messaging.internetofthings.ibmcloud.com";
mapellil 14:641560b57584 85
mapellil 14:641560b57584 86 char hostname[strlen(org) + strlen(iot_ibm) + 1];
mapellil 14:641560b57584 87 sprintf(hostname, "%s%s", org, iot_ibm);
mapellil 14:641560b57584 88 SpwfSAInterface& WiFi = ipstack->getWiFi();
mapellil 14:641560b57584 89 ip_addr = WiFi.get_ip_address();
mapellil 14:641560b57584 90 printf ("ID: %s\n\r",id);
mapellil 14:641560b57584 91 // Construct clientId - d:org:type:id
mapellil 14:641560b57584 92 char clientId[strlen(org) + strlen(type) + strlen(id) + 5];
mapellil 14:641560b57584 93 sprintf(clientId, "d:%s:%s:%s", org, type, id);
mapellil 14:641560b57584 94 // Network debug statements
mapellil 14:641560b57584 95 LOG("=====================================\n\r");
mapellil 14:641560b57584 96 LOG("Connecting WiFi.\n\r");
mapellil 14:641560b57584 97 LOG("IP ADDRESS: %s\n\r", WiFi.get_ip_address());
mapellil 14:641560b57584 98 LOG("MAC ADDRESS: %s\n\r", WiFi.get_mac_address());
mapellil 14:641560b57584 99 LOG("Server Hostname: %s\n\r", hostname);
mapellil 17:83d0cd810ed3 100 // for(int i = 0; clientId[i]; i++){
mapellil 17:83d0cd810ed3 101 // clientId[i] = tolower(clientId[i]);
mapellil 17:83d0cd810ed3 102 // }
mapellil 14:641560b57584 103 LOG("Client ID: %s\n\r", clientId);
mapellil 14:641560b57584 104 LOG("=====================================\n\r");
mapellil 14:641560b57584 105
mapellil 14:641560b57584 106 netConnecting = true;
mapellil 14:641560b57584 107 ipstack->open(&ipstack->getWiFi());
mapellil 14:641560b57584 108 int rc = ipstack->connect(hostname, IBM_IOT_PORT, connectTimeout);
mapellil 14:641560b57584 109 if (rc != 0)
mapellil 14:641560b57584 110 {
mapellil 14:641560b57584 111 WARN("IP Stack connect returned: %d\n", rc);
mapellil 14:641560b57584 112 return rc;
mapellil 14:641560b57584 113 }
mapellil 14:641560b57584 114 netConnected = true;
mapellil 14:641560b57584 115 netConnecting = false;
mapellil 14:641560b57584 116
mapellil 14:641560b57584 117 // MQTT Connect
mapellil 14:641560b57584 118 mqttConnecting = true;
mapellil 14:641560b57584 119 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
mapellil 17:83d0cd810ed3 120 data.MQTTVersion = 4;
mapellil 17:83d0cd810ed3 121 data.struct_version=0;
mapellil 14:641560b57584 122 data.clientID.cstring = clientId;
mapellil 14:641560b57584 123
mapellil 14:641560b57584 124 if (!quickstartMode)
mapellil 14:641560b57584 125 {
mapellil 14:641560b57584 126 data.username.cstring = "use-token-auth";
mapellil 14:641560b57584 127 data.password.cstring = auth_token;
mapellil 14:641560b57584 128 }
mapellil 14:641560b57584 129 if ((rc = client->connect(data)) == 0)
mapellil 14:641560b57584 130 {
mapellil 14:641560b57584 131 connected = true;
mapellil 14:641560b57584 132 printf ("--->Connected\n\r");
mapellil 14:641560b57584 133 }
mapellil 14:641560b57584 134 else {
mapellil 14:641560b57584 135 WARN("MQTT connect returned %d\n", rc);
mapellil 14:641560b57584 136 }
mapellil 14:641560b57584 137 if (rc >= 0)
mapellil 14:641560b57584 138 connack_rc = rc;
mapellil 14:641560b57584 139 mqttConnecting = false;
mapellil 14:641560b57584 140 return rc;
mapellil 14:641560b57584 141 }
mapellil 14:641560b57584 142
mapellil 14:641560b57584 143 int getConnTimeout(int attemptNumber)
mapellil 14:641560b57584 144 { // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute
mapellil 14:641560b57584 145 // after 20 attempts, retry every 10 minutes
mapellil 14:641560b57584 146 return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600;
mapellil 14:641560b57584 147 }
mapellil 14:641560b57584 148
mapellil 14:641560b57584 149 void attemptConnect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 150 {
mapellil 14:641560b57584 151 connected = false;
mapellil 14:641560b57584 152
mapellil 14:641560b57584 153 while (connect(client, ipstack) != MQTT_CONNECTION_ACCEPTED)
mapellil 14:641560b57584 154 {
mapellil 14:641560b57584 155 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) {
mapellil 14:641560b57584 156 printf ("File: %s, Line: %d\n\r",__FILE__,__LINE__);
mapellil 14:641560b57584 157 return; // don't reattempt to connect if credentials are wrong
mapellil 14:641560b57584 158 }
mapellil 14:641560b57584 159 int timeout = getConnTimeout(++retryAttempt);
mapellil 14:641560b57584 160 WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout);
mapellil 14:641560b57584 161
mapellil 14:641560b57584 162 // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed
mapellil 14:641560b57584 163 // or maybe just add the proper members to do this disconnect and call attemptConnect(...)
mapellil 14:641560b57584 164
mapellil 14:641560b57584 165 // this works - reset the system when the retry count gets to a threshold
mapellil 14:641560b57584 166 if (retryAttempt == 5)
mapellil 14:641560b57584 167 NVIC_SystemReset();
mapellil 14:641560b57584 168 else
mapellil 14:641560b57584 169 wait(timeout);
mapellil 14:641560b57584 170 }
mapellil 14:641560b57584 171 }
mapellil 14:641560b57584 172
mapellil 14:641560b57584 173 int publish(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 174 {
mapellil 14:641560b57584 175 MQTT::Message message;
mapellil 14:641560b57584 176 char* pubTopic = "iot-2/evt/status/fmt/json";
mapellil 14:641560b57584 177
mapellil 14:641560b57584 178 char buf[MQTT_MAX_PAYLOAD_SIZE];
mapellil 14:641560b57584 179 float temp, press, hum;
mapellil 14:641560b57584 180 temp_sensor1->GetTemperature(&temp);
mapellil 14:641560b57584 181 pressure_sensor->GetPressure(&press);
mapellil 14:641560b57584 182 humidity_sensor->GetHumidity(&hum);
mapellil 14:641560b57584 183 sprintf(buf,
mapellil 14:641560b57584 184 "{\"d\":{\"ST\":\"Nucleo-IoT-mbed\",\"Temp\":%0.4f,\"Pressure\":\"%0.4f,\",\"Humidity\":%0.4f}}",
mapellil 14:641560b57584 185 temp, press, hum);
mapellil 14:641560b57584 186 message.qos = MQTT::QOS0;
mapellil 14:641560b57584 187 message.retained = false;
mapellil 14:641560b57584 188 message.dup = false;
mapellil 14:641560b57584 189 message.payload = (void*)buf;
mapellil 14:641560b57584 190 message.payloadlen = strlen(buf);
mapellil 14:641560b57584 191
mapellil 14:641560b57584 192 LOG("Publishing %s\n", buf);
mapellil 14:641560b57584 193 return client->publish(pubTopic, message);
mapellil 14:641560b57584 194 }
mridup 4:1ed7f173eec5 195
fabiombed 13:0b31131bf711 196 int main()
fabiombed 13:0b31131bf711 197 {
mapellil 16:233b89a6b72f 198 const char * ssid = SSID; // Network must be visible otherwise it can't connect
mapellil 16:233b89a6b72f 199 const char * seckey = PASSW;
mapellil 14:641560b57584 200
mapellil 14:641560b57584 201 // Timer tyeld;
mapellil 14:641560b57584 202
mapellil 14:641560b57584 203 DevI2C *i2c = new DevI2C(I2C_SDA, I2C_SCL);
mapellil 14:641560b57584 204 i2c->frequency(400000);
mapellil 14:641560b57584 205
mapellil 14:641560b57584 206 X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(i2c);
mapellil 14:641560b57584 207
mapellil 14:641560b57584 208 pressure_sensor = mems_expansion_board->pt_sensor;
mapellil 14:641560b57584 209 temp_sensor1 = mems_expansion_board->ht_sensor;
mapellil 14:641560b57584 210 humidity_sensor = mems_expansion_board->ht_sensor;
mridup 4:1ed7f173eec5 211
mridup 6:0d838d564181 212 pc.printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n");
mapellil 14:641560b57584 213 pc.printf("\r\nconnecting to AP\r\n");
fabiombed 13:0b31131bf711 214
mapellil 17:83d0cd810ed3 215 quickstartMode=false;
mapellil 16:233b89a6b72f 216 if (strcmp(org, "quickstart") == 0){quickstartMode = true;}
mapellil 16:233b89a6b72f 217 MQTTWiFi ipstack(spwf, ssid, seckey, NSAPI_SECURITY_WPA2);
mapellil 16:233b89a6b72f 218 MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack);
mapellil 16:233b89a6b72f 219 if (quickstartMode){
mapellil 14:641560b57584 220 char mac[50];
mapellil 17:83d0cd810ed3 221 char *digit=NULL;
mapellil 17:83d0cd810ed3 222 sprintf (id,"%s", "");
mapellil 14:641560b57584 223 sprintf (mac,"%s",ipstack.getWiFi().get_mac_address());
mapellil 14:641560b57584 224 strcpy (mac, ipstack.getWiFi().get_mac_address());
mapellil 14:641560b57584 225 digit = strtok (mac,":");
mapellil 14:641560b57584 226 while (digit != NULL)
mapellil 14:641560b57584 227 {
mapellil 14:641560b57584 228 strcat (id, digit);
mapellil 14:641560b57584 229 digit = strtok (NULL, ":");
mapellil 17:83d0cd810ed3 230 }
mapellil 16:233b89a6b72f 231 }
mapellil 16:233b89a6b72f 232 attemptConnect(&client, &ipstack);
mapellil 16:233b89a6b72f 233 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD)
mapellil 16:233b89a6b72f 234 {
mapellil 16:233b89a6b72f 235 while (true)
mapellil 16:233b89a6b72f 236 wait(1.0); // Permanent failures - don't retry
mapellil 16:233b89a6b72f 237 }
mapellil 16:233b89a6b72f 238 int count = 0;
mapellil 16:233b89a6b72f 239 // tyeld.start();
mapellil 14:641560b57584 240 while (true)
mridup 8:6df01cb43137 241 {
mapellil 14:641560b57584 242 if (++count == /*100*/2)
mapellil 14:641560b57584 243 { // Publish a message every second
mapellil 14:641560b57584 244 if (publish(&client, &ipstack) != 0)
mapellil 14:641560b57584 245 attemptConnect(&client, &ipstack); // if we have lost the connection
mapellil 14:641560b57584 246 count = 0;
mapellil 14:641560b57584 247 }
mapellil 14:641560b57584 248 // int start = tyeld.read_ms();
mapellil 14:641560b57584 249 client.yield(/*10*/1); // allow the MQTT client to receive messages
mapellil 14:641560b57584 250 // printf ("tyeld: %d\n\r",tyeld.read_ms()-start);
mridup 3:dfb8c6c8c31b 251 }
mridup 4:1ed7f173eec5 252 }