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Duy_new_test_Water_Monitor
Fork of Cloud_IBM_MbedOS by
main.cpp
- Committer:
- mapellil
- Date:
- 2017-11-17
- Revision:
- 0:e477c0f8b2e4
- Child:
- 2:e3846f091b6b
File content as of revision 0:e477c0f8b2e4:
/* SpwfInterface NetworkSocketAPI Example Program * Copyright (c) 2015 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. */ #include "mbed.h" #include "easy-connect.h" #include "MQTTClient.h" #include "XNucleoIKS01A2.h" #include "XNucleoNFC01A1.h" #include "NDefLib/NDefNfcTag.h" #include "NDefLib/RecordType/RecordURI.h" #include "MQTTNetwork.h" #include "MQTTmbed.h" //------------------------------------ // Hyperterminal configuration // 9600 bauds, 8-bit data, no parity //------------------------------------ static Serial pc(SERIAL_TX, SERIAL_RX); static DigitalOut myled(LED1); static bool quickstartMode = true; // set to false to connect with authentication tocken static bool BlueButtonToggle = false; #define ORG_QUICKSTART // comment to connect to play.internetofthings.ibmcloud.com //#define SUBSCRIBE // uncomment to subscribe to broker msgs (not to be used with IBM broker) //#define X_NUCLEO_NFC01A1_PRESENT // uncomment to add NFC support #define MQTT_MAX_PACKET_SIZE 400 #define MQTT_MAX_PAYLOAD_SIZE 300 // Configuration values needed to connect to IBM IoT Cloud #ifdef ORG_QUICKSTART #define ORG "quickstart" // connect to quickstart.internetofthings.ibmcloud.com/ For a registered connection, replace with your org #define ID "" #define AUTH_TOKEN "" #define DEFAULT_TYPE_NAME "iotsample-mbed-Nucleo" #else // not def ORG_QUICKSTART #define ORG "play" // connect to play.internetofthings.ibmcloud.com/ For a registered connection, replace with your org #define ID "" // For a registered connection, replace with your id #define AUTH_TOKEN ""// For a registered connection, replace with your auth-token #define DEFAULT_TYPE_NAME "sensor" #endif #define TYPE DEFAULT_TYPE_NAME // For a registered connection, replace with your type #define IBM_IOT_PORT MQTT_PORT static char id[30] = ID; // mac without colons static char org[12] = ORG; static int connack_rc = 0; // MQTT connack return code static char type[30] = TYPE; static char auth_token[30] = AUTH_TOKEN; // Auth_token is only used in non-quickstart mode static bool netConnecting = false; static int connectTimeout = 1000; static bool mqttConnecting = false; static bool netConnected = false; static bool connected = false; static int retryAttempt = 0; static char subscription_url[MQTT_MAX_PAYLOAD_SIZE]; static LPS22HBSensor *pressure_sensor; static HTS221Sensor *humidity_sensor; static HTS221Sensor *temp_sensor1; #ifndef TARGET_SENSOR_TILE static void BlueButtonPressed () { BlueButtonToggle = true; } #endif #ifdef SUBSCRIBE void subscribe_cb(MQTT::MessageData & msgMQTT) { char msg[MQTT_MAX_PAYLOAD_SIZE]; msg[0]='\0'; strncat (msg, (char*)msgMQTT.message.payload, msgMQTT.message.payloadlen); printf ("--->>> subscribe_cb msg: %s\n\r", msg); } int subscribe(char *pubTopic, MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE>* client) { return client->subscribe(pubTopic, MQTT::QOS1, subscribe_cb); } #endif int connect(MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTNetwork *mqttNetwork, NetworkInterface* network) { const char* iot_ibm = MQTT_BROKER_URL; char hostname[strlen(org) + strlen(iot_ibm) + 1]; sprintf(hostname, "%s%s", org, iot_ibm); // Construct clientId - d:org:type:id char clientId[strlen(org) + strlen(type) + strlen(id) + 5]; sprintf(clientId, "d:%s:%s:%s", org, type, id); sprintf(subscription_url, "%s.%s/#/device/%s/sensor/", org, "internetofthings.ibmcloud.com",id); // Network debug statements LOG("=====================================\n\r"); LOG("Nucleo IP ADDRESS: %s\n\r", network->get_ip_address()); LOG("Nucleo MAC ADDRESS: %s\n\r", network->get_mac_address()); LOG("Server Hostname: %s port: %d\n\r", hostname, IBM_IOT_PORT); // for(int i = 0; clientId[i]; i++){ // set lowercase mac // clientId[i] = tolower(clientId[i]); // } LOG("Client ID: %s\n\r", clientId); LOG("Topic: %s\n\r",MQTT_TOPIC); LOG("Subscription URL: %s\n\r", subscription_url); LOG("=====================================\n\r"); netConnecting = true; int rc = mqttNetwork->connect(hostname, IBM_IOT_PORT); if (rc != 0) { printf("rc from TCP connect is %d\r\n", rc); return rc; } printf ("--->TCP Connected\n\r"); netConnected = true; netConnecting = false; // MQTT Connect mqttConnecting = true; MQTTPacket_connectData data = MQTTPacket_connectData_initializer; data.MQTTVersion = 4; data.struct_version=0; data.clientID.cstring = clientId; data.keepAliveInterval = MQTT_KEEPALIVE; // in Sec if (!quickstartMode) { data.username.cstring = "use-token-auth"; data.password.cstring = auth_token; } if ((rc = client->connect(data)) != 0) { printf("rc from MQTT connect is %d\r\n", rc); connack_rc = rc; return rc; } connected = true; printf ("--->MQTT Connected\n\r"); #ifdef SUBSCRIBE int rc=0; if ((rc=subscribe(MQTT_TOPIC, client)) == 0) LOG ("--->>>MQTT subscribed to: %s\n\r",MQTT_TOPIC); else LOG ("--->>>ERROR MQTT subscribe : %s\n\r",MQTT_TOPIC); #endif mqttConnecting = false; connack_rc = rc; return rc; } int getConnTimeout(int attemptNumber) { // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute // after 20 attempts, retry every 10 minutes return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600; } void attemptConnect(MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTNetwork *mqttNetwork, NetworkInterface* network) { connected = false; while (connect(client, mqttNetwork, network) != MQTT_CONNECTION_ACCEPTED) { if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) { printf ("File: %s, Line: %d Error: %d\n\r",__FILE__,__LINE__, connack_rc); return; // don't reattempt to connect if credentials are wrong } int timeout = getConnTimeout(++retryAttempt); WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout); // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed // or maybe just add the proper members to do this disconnect and call attemptConnect(...) // this works - reset the system when the retry count gets to a threshold if (retryAttempt == 5) NVIC_SystemReset(); else wait(timeout); } } int publish(MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE>* client) { MQTT::Message message; const char* pubTopic = MQTT_TOPIC; char buf[MQTT_MAX_PAYLOAD_SIZE]; float temp, press, hum; if (!client->isConnected()) { printf ("---> MQTT DISCONNECTED\n\r"); return MQTT::FAILURE; } temp_sensor1->get_temperature(&temp); pressure_sensor->get_pressure(&press); humidity_sensor->get_humidity(&hum); sprintf(buf, "{\"d\":{\"ST\":\"Nucleo-IoT-mbed\",\"Temp\":%0.4f,\"Pressure\":%0.4f,\"Humidity\":%0.4f}}", temp, press, hum); message.qos = MQTT::QOS0; message.retained = false; message.dup = false; message.payload = (void*)buf; message.payloadlen = strlen(buf); if( (message.payloadlen + strlen(pubTopic)+1) >= MQTT_MAX_PACKET_SIZE ) printf("message too long!\r\n"); LOG("Publishing %s\n\r", buf); return client->publish(pubTopic, message); } int main() { myled=0; DevI2C *i2c = new DevI2C(I2C_SDA, I2C_SCL); i2c->frequency(400000); XNucleoIKS01A2 *mems_expansion_board = XNucleoIKS01A2::instance(i2c); pressure_sensor = mems_expansion_board->pt_sensor; temp_sensor1 = mems_expansion_board->ht_sensor; humidity_sensor = mems_expansion_board->ht_sensor; pressure_sensor->enable(); temp_sensor1->enable(); humidity_sensor->enable(); #if !defined (TARGET_SENSOR_TILE) InterruptIn BlueButton(USER_BUTTON); BlueButton.fall(&BlueButtonPressed); BlueButtonToggle = false; #endif pc.printf("\r\nX-NUCLEO-IDW01M1 mbed Application\r\n"); pc.printf("\r\nconnecting to AP\r\n"); quickstartMode=false; if (strcmp(org, "quickstart") == 0){quickstartMode = true;} NetworkInterface* network = easy_connect(true); if (!network) { printf ("Error easy_connect\n\r"); return -1; } MQTTNetwork mqttNetwork(network); MQTT::Client<MQTTNetwork, Countdown, MQTT_MAX_PACKET_SIZE> client(mqttNetwork); if (quickstartMode){ char mac[50]; // remove all : from mac char *digit=NULL; sprintf (id,"%s", ""); sprintf (mac,"%s",network->get_mac_address()); digit = strtok (mac,":"); while (digit != NULL) { strcat (id, digit); digit = strtok (NULL, ":"); } } printf ("ATTEMPT CONNECT\n\r"); attemptConnect(&client, &mqttNetwork, network); if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) { printf ("---ERROR line : %d\n\r", __LINE__); while (true) wait(1.0); // Permanent failures - don't retry } #ifdef X_NUCLEO_NFC01A1_PRESENT // program NFC with broker URL XNucleoNFC01A1 *nfcNucleo = XNucleoNFC01A1::instance(*i2c, NULL, XNucleoNFC01A1::DEFAULT_GPO_PIN, XNucleoNFC01A1::DEFAULT_RF_DISABLE_PIN, NC,NC,NC); NDefLib::NDefNfcTag& tag = nfcNucleo->get_M24SR().get_NDef_tag(); printf("NFC Init done: !\r\n"); //open the i2c session with the nfc chip if(tag.open_session()){ //create the NDef message and record NDefLib::Message msg; NDefLib::RecordURI rUri(NDefLib::RecordURI::HTTPS, subscription_url); msg.add_record(&rUri); //write the tag if(tag.write(msg)){ printf("Tag writed \r\n"); } //close the i2c session if(!tag.close_session()){ printf("Error Closing the session\r\n"); } }else printf("Error open Session\r\n"); #endif myled=1; int count = 0; while (true) { if (BlueButtonToggle == false && connected == true) { if (++count == 6) { // Publish a message every 3 second if (publish(&client) != MQTT::SUCCESS) { myled=0; count=0; client.disconnect(); mqttNetwork.disconnect(); attemptConnect(&client, &mqttNetwork, network); // if we have lost the connection } else { myled=1; count=0; } } client.yield(500); // allow the MQTT client to receive subscribe messages and manage keep alive } else if (BlueButtonToggle == true && connected == true){ // disconnect MQTT printf ("--->> Disconnect\n\r"); connected = false; count = 0; BlueButtonToggle = false; #ifdef SUBSCRIBE // unsubscribe(const char* topicFilter); // unsubscribe if subscribed #endif client.disconnect(); mqttNetwork.disconnect(); } else if (BlueButtonToggle == true && connected == false) { connected = true; BlueButtonToggle = false; } else wait (0.5); } }