Mustapha hamdi / Mbed 2 deprecated Light_sensors

INSAT_MiniPRoject

Dependencies:   MQTT NDefLib NetworkSocketAPI Servo Light_Sensor_Nucleo X_NUCLEO_IDW01M1v2 mbed

Fork of IDW01M1_Cloud_IBM by ST

main.cpp@14:641560b57584, 2016-09-28 (annotated)

Committer:
mapellil
Date:
Wed Sep 28 13:28:44 2016 +0000
Revision:
14:641560b57584
Parent:
13:0b31131bf711
Child:
16:233b89a6b72f
Added Wifi support and read environmental sensors from IKS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
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 14:641560b57584 33
mapellil 14:641560b57584 34 #define MQTT_MAX_PACKET_SIZE 250
mapellil 14:641560b57584 35 #define MQTT_MAX_PAYLOAD_SIZE 300
mapellil 14:641560b57584 36 // Configuration values needed to connect to IBM IoT Cloud
mapellil 14:641560b57584 37 #define ORG "quickstart" // For a registered connection, replace with your org
mapellil 14:641560b57584 38 #define ID "" // For a registered connection, replace with your id
mapellil 14:641560b57584 39 #define AUTH_TOKEN "" // For a registered connection, replace with your auth-token
mapellil 14:641560b57584 40 #define DEFAULT_TYPE_NAME "iotsample-mbed-NucleoF401RE"
mapellil 14:641560b57584 41 #define TYPE DEFAULT_TYPE_NAME // For a registered connection, replace with your type
mapellil 14:641560b57584 42 #define MQTT_PORT 1883
mapellil 14:641560b57584 43 #define MQTT_TLS_PORT 8883
mapellil 14:641560b57584 44 #define IBM_IOT_PORT MQTT_PORT
mapellil 14:641560b57584 45
mapellil 14:641560b57584 46 char id[30] = ID; // mac without colons
mapellil 14:641560b57584 47 char org[12] = ORG;
mapellil 14:641560b57584 48 int connack_rc = 0; // MQTT connack return code
mapellil 14:641560b57584 49 const char* ip_addr = "";
mapellil 14:641560b57584 50 char* host_addr = "";
mapellil 14:641560b57584 51 char type[30] = TYPE;
mapellil 14:641560b57584 52 char auth_token[30] = AUTH_TOKEN; // Auth_token is only used in non-quickstart mode
mapellil 14:641560b57584 53 bool netConnecting = false;
mapellil 14:641560b57584 54 //int connectTimeout = 1000;
mapellil 14:641560b57584 55 int connectTimeout = 10;
mapellil 14:641560b57584 56 bool mqttConnecting = false;
mapellil 14:641560b57584 57 bool netConnected = false;
mapellil 14:641560b57584 58 bool connected = false;
mapellil 14:641560b57584 59 int retryAttempt = 0;
mapellil 14:641560b57584 60
mapellil 14:641560b57584 61 PressureSensor *pressure_sensor;
mapellil 14:641560b57584 62 HumiditySensor *humidity_sensor;
mapellil 14:641560b57584 63 TempSensor *temp_sensor1;
mapellil 14:641560b57584 64
mapellil 14:641560b57584 65
mapellil 14:641560b57584 66 int connect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 67 {
mapellil 14:641560b57584 68 const char* iot_ibm = ".messaging.internetofthings.ibmcloud.com";
mapellil 14:641560b57584 69
mapellil 14:641560b57584 70 char hostname[strlen(org) + strlen(iot_ibm) + 1];
mapellil 14:641560b57584 71 sprintf(hostname, "%s%s", org, iot_ibm);
mapellil 14:641560b57584 72 SpwfSAInterface& WiFi = ipstack->getWiFi();
mapellil 14:641560b57584 73 ip_addr = WiFi.get_ip_address();
mapellil 14:641560b57584 74 printf ("ID: %s\n\r",id);
mapellil 14:641560b57584 75 // Construct clientId - d:org:type:id
mapellil 14:641560b57584 76 char clientId[strlen(org) + strlen(type) + strlen(id) + 5];
mapellil 14:641560b57584 77 sprintf(clientId, "d:%s:%s:%s", org, type, id);
mapellil 14:641560b57584 78 // Network debug statements
mapellil 14:641560b57584 79 LOG("=====================================\n\r");
mapellil 14:641560b57584 80 LOG("Connecting WiFi.\n\r");
mapellil 14:641560b57584 81 LOG("IP ADDRESS: %s\n\r", WiFi.get_ip_address());
mapellil 14:641560b57584 82 LOG("MAC ADDRESS: %s\n\r", WiFi.get_mac_address());
mapellil 14:641560b57584 83 LOG("Server Hostname: %s\n\r", hostname);
mapellil 14:641560b57584 84 for(int i = 0; clientId[i]; i++){
mapellil 14:641560b57584 85 clientId[i] = tolower(clientId[i]);
mapellil 14:641560b57584 86 }
mapellil 14:641560b57584 87 LOG("Client ID: %s\n\r", clientId);
mapellil 14:641560b57584 88 LOG("=====================================\n\r");
mapellil 14:641560b57584 89
mapellil 14:641560b57584 90 netConnecting = true;
mapellil 14:641560b57584 91 ipstack->open(&ipstack->getWiFi());
mapellil 14:641560b57584 92 int rc = ipstack->connect(hostname, IBM_IOT_PORT, connectTimeout);
mapellil 14:641560b57584 93 if (rc != 0)
mapellil 14:641560b57584 94 {
mapellil 14:641560b57584 95 WARN("IP Stack connect returned: %d\n", rc);
mapellil 14:641560b57584 96 return rc;
mapellil 14:641560b57584 97 }
mapellil 14:641560b57584 98 netConnected = true;
mapellil 14:641560b57584 99 netConnecting = false;
mapellil 14:641560b57584 100
mapellil 14:641560b57584 101 // MQTT Connect
mapellil 14:641560b57584 102 mqttConnecting = true;
mapellil 14:641560b57584 103 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
mapellil 14:641560b57584 104 data.MQTTVersion = 3;
mapellil 14:641560b57584 105 data.clientID.cstring = clientId;
mapellil 14:641560b57584 106
mapellil 14:641560b57584 107 if (!quickstartMode)
mapellil 14:641560b57584 108 {
mapellil 14:641560b57584 109 data.username.cstring = "use-token-auth";
mapellil 14:641560b57584 110 data.password.cstring = auth_token;
mapellil 14:641560b57584 111 }
mapellil 14:641560b57584 112 if ((rc = client->connect(data)) == 0)
mapellil 14:641560b57584 113 {
mapellil 14:641560b57584 114 connected = true;
mapellil 14:641560b57584 115 printf ("--->Connected\n\r");
mapellil 14:641560b57584 116 }
mapellil 14:641560b57584 117 else {
mapellil 14:641560b57584 118 WARN("MQTT connect returned %d\n", rc);
mapellil 14:641560b57584 119 }
mapellil 14:641560b57584 120 if (rc >= 0)
mapellil 14:641560b57584 121 connack_rc = rc;
mapellil 14:641560b57584 122 mqttConnecting = false;
mapellil 14:641560b57584 123 return rc;
mapellil 14:641560b57584 124 }
mapellil 14:641560b57584 125
mapellil 14:641560b57584 126 int getConnTimeout(int attemptNumber)
mapellil 14:641560b57584 127 { // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute
mapellil 14:641560b57584 128 // after 20 attempts, retry every 10 minutes
mapellil 14:641560b57584 129 return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600;
mapellil 14:641560b57584 130 }
mapellil 14:641560b57584 131
mapellil 14:641560b57584 132 void attemptConnect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 133 {
mapellil 14:641560b57584 134 connected = false;
mapellil 14:641560b57584 135
mapellil 14:641560b57584 136 while (connect(client, ipstack) != MQTT_CONNECTION_ACCEPTED)
mapellil 14:641560b57584 137 {
mapellil 14:641560b57584 138 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) {
mapellil 14:641560b57584 139 printf ("File: %s, Line: %d\n\r",__FILE__,__LINE__);
mapellil 14:641560b57584 140 return; // don't reattempt to connect if credentials are wrong
mapellil 14:641560b57584 141 }
mapellil 14:641560b57584 142 int timeout = getConnTimeout(++retryAttempt);
mapellil 14:641560b57584 143 WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout);
mapellil 14:641560b57584 144
mapellil 14:641560b57584 145 // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed
mapellil 14:641560b57584 146 // or maybe just add the proper members to do this disconnect and call attemptConnect(...)
mapellil 14:641560b57584 147
mapellil 14:641560b57584 148 // this works - reset the system when the retry count gets to a threshold
mapellil 14:641560b57584 149 if (retryAttempt == 5)
mapellil 14:641560b57584 150 NVIC_SystemReset();
mapellil 14:641560b57584 151 else
mapellil 14:641560b57584 152 wait(timeout);
mapellil 14:641560b57584 153 }
mapellil 14:641560b57584 154 }
mapellil 14:641560b57584 155
mapellil 14:641560b57584 156 int publish(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 157 {
mapellil 14:641560b57584 158 MQTT::Message message;
mapellil 14:641560b57584 159 char* pubTopic = "iot-2/evt/status/fmt/json";
mapellil 14:641560b57584 160
mapellil 14:641560b57584 161 char buf[MQTT_MAX_PAYLOAD_SIZE];
mapellil 14:641560b57584 162 float temp, press, hum;
mapellil 14:641560b57584 163 temp_sensor1->GetTemperature(&temp);
mapellil 14:641560b57584 164 pressure_sensor->GetPressure(&press);
mapellil 14:641560b57584 165 humidity_sensor->GetHumidity(&hum);
mapellil 14:641560b57584 166 sprintf(buf,
mapellil 14:641560b57584 167 "{\"d\":{\"ST\":\"Nucleo-IoT-mbed\",\"Temp\":%0.4f,\"Pressure\":\"%0.4f,\",\"Humidity\":%0.4f}}",
mapellil 14:641560b57584 168 temp, press, hum);
mapellil 14:641560b57584 169 message.qos = MQTT::QOS0;
mapellil 14:641560b57584 170 message.retained = false;
mapellil 14:641560b57584 171 message.dup = false;
mapellil 14:641560b57584 172 message.payload = (void*)buf;
mapellil 14:641560b57584 173 message.payloadlen = strlen(buf);
mapellil 14:641560b57584 174
mapellil 14:641560b57584 175 LOG("Publishing %s\n", buf);
mapellil 14:641560b57584 176 return client->publish(pubTopic, message);
mapellil 14:641560b57584 177 }
mapellil 14:641560b57584 178
mridup 4:1ed7f173eec5 179
fabiombed 13:0b31131bf711 180 int main()
fabiombed 13:0b31131bf711 181 {
mridup 8:6df01cb43137 182 int err;
mapellil 14:641560b57584 183 const char * ssid = "crespan"; // Network must be visible otherwise it can't connect
mapellil 14:641560b57584 184 const char * seckey = "Elfrontal0";
mapellil 14:641560b57584 185
mapellil 14:641560b57584 186 // Timer tyeld;
mapellil 14:641560b57584 187
mapellil 14:641560b57584 188 DevI2C *i2c = new DevI2C(I2C_SDA, I2C_SCL);
mapellil 14:641560b57584 189 i2c->frequency(400000);
mapellil 14:641560b57584 190
mapellil 14:641560b57584 191 X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(i2c);
mapellil 14:641560b57584 192
mapellil 14:641560b57584 193 pressure_sensor = mems_expansion_board->pt_sensor;
mapellil 14:641560b57584 194 temp_sensor1 = mems_expansion_board->ht_sensor;
mapellil 14:641560b57584 195 humidity_sensor = mems_expansion_board->ht_sensor;
mridup 4:1ed7f173eec5 196
mridup 6:0d838d564181 197 pc.printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n");
mapellil 14:641560b57584 198 pc.printf("\r\nconnecting to AP\r\n");
mapellil 14:641560b57584 199 //******************************************************************
fabiombed 13:0b31131bf711 200
mapellil 14:641560b57584 201 // quickstartMode = (strcmp(org, "quickstart") == 0);
mapellil 14:641560b57584 202 if (strcmp(org, "quickstart") == 0){quickstartMode = true;}
mapellil 14:641560b57584 203 MQTTWiFi ipstack(spwf, ssid, seckey, NSAPI_SECURITY_WPA2);
mapellil 14:641560b57584 204 MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack);
mapellil 14:641560b57584 205 if (quickstartMode){
mapellil 14:641560b57584 206 char mac[50];
mapellil 14:641560b57584 207 char *digit=NULL;
mapellil 14:641560b57584 208 sprintf (mac,"%s",ipstack.getWiFi().get_mac_address());
mapellil 14:641560b57584 209 strcpy (mac, ipstack.getWiFi().get_mac_address());
mapellil 14:641560b57584 210 digit = strtok (mac,":");
mapellil 14:641560b57584 211 while (digit != NULL)
mapellil 14:641560b57584 212 {
mapellil 14:641560b57584 213 strcat (id, digit);
mapellil 14:641560b57584 214 digit = strtok (NULL, ":");
mapellil 14:641560b57584 215 }
mapellil 14:641560b57584 216 }
mapellil 14:641560b57584 217 attemptConnect(&client, &ipstack);
mapellil 14:641560b57584 218 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD)
mapellil 14:641560b57584 219 {
mapellil 14:641560b57584 220 while (true)
mapellil 14:641560b57584 221 wait(1.0); // Permanent failures - don't retry
mapellil 14:641560b57584 222 }
mapellil 14:641560b57584 223 int count = 0;
mapellil 14:641560b57584 224 // tyeld.start();
fabiombed 13:0b31131bf711 225
mapellil 14:641560b57584 226 while (true)
mridup 8:6df01cb43137 227 {
mapellil 14:641560b57584 228 if (++count == /*100*/2)
mapellil 14:641560b57584 229 { // Publish a message every second
mapellil 14:641560b57584 230 if (publish(&client, &ipstack) != 0)
mapellil 14:641560b57584 231 attemptConnect(&client, &ipstack); // if we have lost the connection
mapellil 14:641560b57584 232 count = 0;
mapellil 14:641560b57584 233 }
mapellil 14:641560b57584 234 // int start = tyeld.read_ms();
mapellil 14:641560b57584 235 client.yield(/*10*/1); // allow the MQTT client to receive messages
mapellil 14:641560b57584 236 // printf ("tyeld: %d\n\r",tyeld.read_ms()-start);
mridup 3:dfb8c6c8c31b 237 }
mridup 4:1ed7f173eec5 238 }