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@16:233b89a6b72f, 2016-09-28 (annotated)

Committer:
mapellil
Date:
Wed Sep 28 15:36:07 2016 +0000
Revision:
16:233b89a6b72f
Parent:
14:641560b57584
Child:
17:83d0cd810ed3
Code cleanup

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 16:233b89a6b72f 45 // WiFi network credential
mapellil 16:233b89a6b72f 46 #define SSID "crespan" // Network must be visible otherwise it can't connect
mapellil 16:233b89a6b72f 47 #define PASSW ""
mapellil 16:233b89a6b72f 48 #warning "Wifi password empty"
mapellil 14:641560b57584 49
mapellil 14:641560b57584 50 char id[30] = ID; // mac without colons
mapellil 14:641560b57584 51 char org[12] = ORG;
mapellil 14:641560b57584 52 int connack_rc = 0; // MQTT connack return code
mapellil 14:641560b57584 53 const char* ip_addr = "";
mapellil 14:641560b57584 54 char* host_addr = "";
mapellil 14:641560b57584 55 char type[30] = TYPE;
mapellil 14:641560b57584 56 char auth_token[30] = AUTH_TOKEN; // Auth_token is only used in non-quickstart mode
mapellil 14:641560b57584 57 bool netConnecting = false;
mapellil 14:641560b57584 58 //int connectTimeout = 1000;
mapellil 14:641560b57584 59 int connectTimeout = 10;
mapellil 14:641560b57584 60 bool mqttConnecting = false;
mapellil 14:641560b57584 61 bool netConnected = false;
mapellil 14:641560b57584 62 bool connected = false;
mapellil 14:641560b57584 63 int retryAttempt = 0;
mapellil 14:641560b57584 64
mapellil 14:641560b57584 65 PressureSensor *pressure_sensor;
mapellil 14:641560b57584 66 HumiditySensor *humidity_sensor;
mapellil 14:641560b57584 67 TempSensor *temp_sensor1;
mapellil 14:641560b57584 68
mapellil 14:641560b57584 69
mapellil 14:641560b57584 70 int connect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 71 {
mapellil 14:641560b57584 72 const char* iot_ibm = ".messaging.internetofthings.ibmcloud.com";
mapellil 14:641560b57584 73
mapellil 14:641560b57584 74 char hostname[strlen(org) + strlen(iot_ibm) + 1];
mapellil 14:641560b57584 75 sprintf(hostname, "%s%s", org, iot_ibm);
mapellil 14:641560b57584 76 SpwfSAInterface& WiFi = ipstack->getWiFi();
mapellil 14:641560b57584 77 ip_addr = WiFi.get_ip_address();
mapellil 14:641560b57584 78 printf ("ID: %s\n\r",id);
mapellil 14:641560b57584 79 // Construct clientId - d:org:type:id
mapellil 14:641560b57584 80 char clientId[strlen(org) + strlen(type) + strlen(id) + 5];
mapellil 14:641560b57584 81 sprintf(clientId, "d:%s:%s:%s", org, type, id);
mapellil 14:641560b57584 82 // Network debug statements
mapellil 14:641560b57584 83 LOG("=====================================\n\r");
mapellil 14:641560b57584 84 LOG("Connecting WiFi.\n\r");
mapellil 14:641560b57584 85 LOG("IP ADDRESS: %s\n\r", WiFi.get_ip_address());
mapellil 14:641560b57584 86 LOG("MAC ADDRESS: %s\n\r", WiFi.get_mac_address());
mapellil 14:641560b57584 87 LOG("Server Hostname: %s\n\r", hostname);
mapellil 14:641560b57584 88 for(int i = 0; clientId[i]; i++){
mapellil 14:641560b57584 89 clientId[i] = tolower(clientId[i]);
mapellil 14:641560b57584 90 }
mapellil 14:641560b57584 91 LOG("Client ID: %s\n\r", clientId);
mapellil 14:641560b57584 92 LOG("=====================================\n\r");
mapellil 14:641560b57584 93
mapellil 14:641560b57584 94 netConnecting = true;
mapellil 14:641560b57584 95 ipstack->open(&ipstack->getWiFi());
mapellil 14:641560b57584 96 int rc = ipstack->connect(hostname, IBM_IOT_PORT, connectTimeout);
mapellil 14:641560b57584 97 if (rc != 0)
mapellil 14:641560b57584 98 {
mapellil 14:641560b57584 99 WARN("IP Stack connect returned: %d\n", rc);
mapellil 14:641560b57584 100 return rc;
mapellil 14:641560b57584 101 }
mapellil 14:641560b57584 102 netConnected = true;
mapellil 14:641560b57584 103 netConnecting = false;
mapellil 14:641560b57584 104
mapellil 14:641560b57584 105 // MQTT Connect
mapellil 14:641560b57584 106 mqttConnecting = true;
mapellil 14:641560b57584 107 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
mapellil 14:641560b57584 108 data.MQTTVersion = 3;
mapellil 14:641560b57584 109 data.clientID.cstring = clientId;
mapellil 14:641560b57584 110
mapellil 14:641560b57584 111 if (!quickstartMode)
mapellil 14:641560b57584 112 {
mapellil 14:641560b57584 113 data.username.cstring = "use-token-auth";
mapellil 14:641560b57584 114 data.password.cstring = auth_token;
mapellil 14:641560b57584 115 }
mapellil 14:641560b57584 116 if ((rc = client->connect(data)) == 0)
mapellil 14:641560b57584 117 {
mapellil 14:641560b57584 118 connected = true;
mapellil 14:641560b57584 119 printf ("--->Connected\n\r");
mapellil 14:641560b57584 120 }
mapellil 14:641560b57584 121 else {
mapellil 14:641560b57584 122 WARN("MQTT connect returned %d\n", rc);
mapellil 14:641560b57584 123 }
mapellil 14:641560b57584 124 if (rc >= 0)
mapellil 14:641560b57584 125 connack_rc = rc;
mapellil 14:641560b57584 126 mqttConnecting = false;
mapellil 14:641560b57584 127 return rc;
mapellil 14:641560b57584 128 }
mapellil 14:641560b57584 129
mapellil 14:641560b57584 130 int getConnTimeout(int attemptNumber)
mapellil 14:641560b57584 131 { // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute
mapellil 14:641560b57584 132 // after 20 attempts, retry every 10 minutes
mapellil 14:641560b57584 133 return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600;
mapellil 14:641560b57584 134 }
mapellil 14:641560b57584 135
mapellil 14:641560b57584 136 void attemptConnect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 137 {
mapellil 14:641560b57584 138 connected = false;
mapellil 14:641560b57584 139
mapellil 14:641560b57584 140 while (connect(client, ipstack) != MQTT_CONNECTION_ACCEPTED)
mapellil 14:641560b57584 141 {
mapellil 14:641560b57584 142 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) {
mapellil 14:641560b57584 143 printf ("File: %s, Line: %d\n\r",__FILE__,__LINE__);
mapellil 14:641560b57584 144 return; // don't reattempt to connect if credentials are wrong
mapellil 14:641560b57584 145 }
mapellil 14:641560b57584 146 int timeout = getConnTimeout(++retryAttempt);
mapellil 14:641560b57584 147 WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout);
mapellil 14:641560b57584 148
mapellil 14:641560b57584 149 // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed
mapellil 14:641560b57584 150 // or maybe just add the proper members to do this disconnect and call attemptConnect(...)
mapellil 14:641560b57584 151
mapellil 14:641560b57584 152 // this works - reset the system when the retry count gets to a threshold
mapellil 14:641560b57584 153 if (retryAttempt == 5)
mapellil 14:641560b57584 154 NVIC_SystemReset();
mapellil 14:641560b57584 155 else
mapellil 14:641560b57584 156 wait(timeout);
mapellil 14:641560b57584 157 }
mapellil 14:641560b57584 158 }
mapellil 14:641560b57584 159
mapellil 14:641560b57584 160 int publish(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
mapellil 14:641560b57584 161 {
mapellil 14:641560b57584 162 MQTT::Message message;
mapellil 14:641560b57584 163 char* pubTopic = "iot-2/evt/status/fmt/json";
mapellil 14:641560b57584 164
mapellil 14:641560b57584 165 char buf[MQTT_MAX_PAYLOAD_SIZE];
mapellil 14:641560b57584 166 float temp, press, hum;
mapellil 14:641560b57584 167 temp_sensor1->GetTemperature(&temp);
mapellil 14:641560b57584 168 pressure_sensor->GetPressure(&press);
mapellil 14:641560b57584 169 humidity_sensor->GetHumidity(&hum);
mapellil 14:641560b57584 170 sprintf(buf,
mapellil 14:641560b57584 171 "{\"d\":{\"ST\":\"Nucleo-IoT-mbed\",\"Temp\":%0.4f,\"Pressure\":\"%0.4f,\",\"Humidity\":%0.4f}}",
mapellil 14:641560b57584 172 temp, press, hum);
mapellil 14:641560b57584 173 message.qos = MQTT::QOS0;
mapellil 14:641560b57584 174 message.retained = false;
mapellil 14:641560b57584 175 message.dup = false;
mapellil 14:641560b57584 176 message.payload = (void*)buf;
mapellil 14:641560b57584 177 message.payloadlen = strlen(buf);
mapellil 14:641560b57584 178
mapellil 14:641560b57584 179 LOG("Publishing %s\n", buf);
mapellil 14:641560b57584 180 return client->publish(pubTopic, message);
mapellil 14:641560b57584 181 }
mridup 4:1ed7f173eec5 182
fabiombed 13:0b31131bf711 183 int main()
fabiombed 13:0b31131bf711 184 {
mapellil 16:233b89a6b72f 185 const char * ssid = SSID; // Network must be visible otherwise it can't connect
mapellil 16:233b89a6b72f 186 const char * seckey = PASSW;
mapellil 14:641560b57584 187
mapellil 14:641560b57584 188 // Timer tyeld;
mapellil 14:641560b57584 189
mapellil 14:641560b57584 190 DevI2C *i2c = new DevI2C(I2C_SDA, I2C_SCL);
mapellil 14:641560b57584 191 i2c->frequency(400000);
mapellil 14:641560b57584 192
mapellil 14:641560b57584 193 X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(i2c);
mapellil 14:641560b57584 194
mapellil 14:641560b57584 195 pressure_sensor = mems_expansion_board->pt_sensor;
mapellil 14:641560b57584 196 temp_sensor1 = mems_expansion_board->ht_sensor;
mapellil 14:641560b57584 197 humidity_sensor = mems_expansion_board->ht_sensor;
mridup 4:1ed7f173eec5 198
mridup 6:0d838d564181 199 pc.printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n");
mapellil 14:641560b57584 200 pc.printf("\r\nconnecting to AP\r\n");
fabiombed 13:0b31131bf711 201
mapellil 16:233b89a6b72f 202 if (strcmp(org, "quickstart") == 0){quickstartMode = true;}
mapellil 16:233b89a6b72f 203 MQTTWiFi ipstack(spwf, ssid, seckey, NSAPI_SECURITY_WPA2);
mapellil 16:233b89a6b72f 204 MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack);
mapellil 16:233b89a6b72f 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 16:233b89a6b72f 216 }
mapellil 16:233b89a6b72f 217 attemptConnect(&client, &ipstack);
mapellil 16:233b89a6b72f 218 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD)
mapellil 16:233b89a6b72f 219 {
mapellil 16:233b89a6b72f 220 while (true)
mapellil 16:233b89a6b72f 221 wait(1.0); // Permanent failures - don't retry
mapellil 16:233b89a6b72f 222 }
mapellil 16:233b89a6b72f 223 int count = 0;
mapellil 16:233b89a6b72f 224 // tyeld.start();
mapellil 14:641560b57584 225 while (true)
mridup 8:6df01cb43137 226 {
mapellil 14:641560b57584 227 if (++count == /*100*/2)
mapellil 14:641560b57584 228 { // Publish a message every second
mapellil 14:641560b57584 229 if (publish(&client, &ipstack) != 0)
mapellil 14:641560b57584 230 attemptConnect(&client, &ipstack); // if we have lost the connection
mapellil 14:641560b57584 231 count = 0;
mapellil 14:641560b57584 232 }
mapellil 14:641560b57584 233 // int start = tyeld.read_ms();
mapellil 14:641560b57584 234 client.yield(/*10*/1); // allow the MQTT client to receive messages
mapellil 14:641560b57584 235 // printf ("tyeld: %d\n\r",tyeld.read_ms()-start);
mridup 3:dfb8c6c8c31b 236 }
mridup 4:1ed7f173eec5 237 }