ECE59500_ESP8266_K64_MQTT_Pub_Sub_client
Dependencies: mbed ESP8266Interface MbedJSONValue mbed-rtos MQTT JSON
main.cpp@20:568d04eb3d63, 2019-03-08 (annotated)
- Committer:
- sbetrabet
- Date:
- Fri Mar 08 04:51:18 2019 +0000
- Revision:
- 20:568d04eb3d63
- Parent:
- 19:9dfb938f07eb
- Child:
- 21:f08f17225c7c
Name changed
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sbetrabet | 19:9dfb938f07eb | 1 | #include "MQTTESP8266.h" |
sbetrabet | 19:9dfb938f07eb | 2 | #include "MQTTClient.h" |
sbetrabet | 19:9dfb938f07eb | 3 | #include "string.h" |
sbetrabet | 19:9dfb938f07eb | 4 | #include "MbedJSONValue.h" |
sbetrabet | 19:9dfb938f07eb | 5 | char buf[100]; |
geky | 17:92a64d43ee61 | 6 | |
sbetrabet | 20:568d04eb3d63 | 7 | MQTTESP8266 ipstack(D1, D0, D10, "Sidsap10","Arduino111"); // change to match your wifi access point |
sbetrabet | 19:9dfb938f07eb | 8 | float version = 0.47; |
sbetrabet | 19:9dfb938f07eb | 9 | char* topic = "k64"; |
sbetrabet | 19:9dfb938f07eb | 10 | char* topic2 = "k64rec"; |
sbetrabet | 19:9dfb938f07eb | 11 | char* topic3 = "bulb"; |
sbetrabet | 19:9dfb938f07eb | 12 | |
sbetrabet | 19:9dfb938f07eb | 13 | char* key2 = "key"; |
sbetrabet | 20:568d04eb3d63 | 14 | char* hostname = "192.168.43.87"; // Ip |
sbetrabet | 19:9dfb938f07eb | 15 | int port = 1883; |
sbetrabet | 19:9dfb938f07eb | 16 | int rc = ipstack.connect(hostname, port); |
sbetrabet | 20:568d04eb3d63 | 17 | unsigned long previousTime = 0; // will store last time LED was updated |
geky | 17:92a64d43ee61 | 18 | |
sbetrabet | 20:568d04eb3d63 | 19 | // constants won't change: |
sbetrabet | 20:568d04eb3d63 | 20 | const long interval = 20; |
sbetrabet | 19:9dfb938f07eb | 21 | MQTT::Client<MQTTESP8266, Countdown> client = MQTT::Client<MQTTESP8266, Countdown>(ipstack); |
sbetrabet | 19:9dfb938f07eb | 22 | MbedJSONValue demo; |
sbetrabet | 19:9dfb938f07eb | 23 | int arrivedcount = 0; |
sbetrabet | 19:9dfb938f07eb | 24 | //using namespace std; |
sbetrabet | 19:9dfb938f07eb | 25 | std::string my_str; |
sbetrabet | 19:9dfb938f07eb | 26 | std::string my_str2; |
sbetrabet | 19:9dfb938f07eb | 27 | std::string someString; |
sbetrabet | 19:9dfb938f07eb | 28 | std::string clearsky ("clear"); |
sbetrabet | 19:9dfb938f07eb | 29 | std::string clouds ("few clouds"); |
sbetrabet | 19:9dfb938f07eb | 30 | std::string snow ("light snow"); |
sbetrabet | 19:9dfb938f07eb | 31 | int j=0; |
sbetrabet | 19:9dfb938f07eb | 32 | // callback for subscribe topic |
icraggs | 1:a1d5c7a6acbc | 33 | |
icraggs | 2:638c854c0695 | 34 | |
mbedAustin | 18:76d0899bc3ce | 35 | void subscribeCallback(MQTT::MessageData& md) |
icraggs | 2:638c854c0695 | 36 | { |
icraggs | 9:5beb8609e9f7 | 37 | MQTT::Message &message = md.message; |
sbetrabet | 20:568d04eb3d63 | 38 | printf("Message received: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id); |
sbetrabet | 19:9dfb938f07eb | 39 | |
sbetrabet | 19:9dfb938f07eb | 40 | printf("%s",(char*)message.payload); |
sbetrabet | 19:9dfb938f07eb | 41 | printf("\r\n"); |
sbetrabet | 19:9dfb938f07eb | 42 | |
icraggs | 9:5beb8609e9f7 | 43 | printf("Payload %.*s\n", message.payloadlen, (char*)message.payload); |
sbetrabet | 19:9dfb938f07eb | 44 | printf("nonedited payload is %s and payload is %d\n",(char*)message.payload,message.payloadlen); |
sbetrabet | 19:9dfb938f07eb | 45 | printf("hey\n"); |
sbetrabet | 19:9dfb938f07eb | 46 | // int f = int(message.payload); |
sbetrabet | 19:9dfb938f07eb | 47 | |
sbetrabet | 19:9dfb938f07eb | 48 | std::string someString((char*)message.payload); |
sbetrabet | 19:9dfb938f07eb | 49 | someString.resize (message.payloadlen); |
sbetrabet | 19:9dfb938f07eb | 50 | printf("Edited payload iss %s \n",someString.c_str()); |
sbetrabet | 19:9dfb938f07eb | 51 | j= someString.find(clouds); |
sbetrabet | 19:9dfb938f07eb | 52 | printf("j = %d \r\n", j); |
sbetrabet | 19:9dfb938f07eb | 53 | |
sbetrabet | 19:9dfb938f07eb | 54 | if ( !(someString.find(clouds)) ) |
sbetrabet | 19:9dfb938f07eb | 55 | { |
sbetrabet | 19:9dfb938f07eb | 56 | sprintf(buf, "dCglDR-G9WoQUiig0XMNhOV4ozIEIVu3rWdBh5IlQ7d,cloud %s\n", key2); |
sbetrabet | 19:9dfb938f07eb | 57 | message.payload = (void*)buf; |
sbetrabet | 19:9dfb938f07eb | 58 | message.payloadlen = strlen(buf)+1; |
sbetrabet | 19:9dfb938f07eb | 59 | rc = client.publish(topic3, message); |
sbetrabet | 20:568d04eb3d63 | 60 | printf("if condition checked, its cloudy\r\n"); |
sbetrabet | 19:9dfb938f07eb | 61 | } |
sbetrabet | 19:9dfb938f07eb | 62 | else if ( !(someString.find(clearsky)) ) |
sbetrabet | 19:9dfb938f07eb | 63 | { |
sbetrabet | 20:568d04eb3d63 | 64 | sprintf(buf, "dCglDR-G9WoQUiig0XMNhOV4ozIEIVu3rWdBh5IlQ7d,clearsky %s\r\n", key2); |
sbetrabet | 19:9dfb938f07eb | 65 | message.payload = (void*)buf; |
sbetrabet | 19:9dfb938f07eb | 66 | message.payloadlen = strlen(buf)+1; |
sbetrabet | 19:9dfb938f07eb | 67 | rc = client.publish(topic3, message); |
sbetrabet | 20:568d04eb3d63 | 68 | printf("if condition checked, its clear\r\n"); |
sbetrabet | 19:9dfb938f07eb | 69 | } |
sbetrabet | 19:9dfb938f07eb | 70 | else if ( !(someString.find(snow)) ) |
sbetrabet | 19:9dfb938f07eb | 71 | { |
sbetrabet | 20:568d04eb3d63 | 72 | sprintf(buf, "dCglDR-G9WoQUiig0XMNhOV4ozIEIVu3rWdBh5IlQ7d,snow %s\r\n",key2); |
sbetrabet | 19:9dfb938f07eb | 73 | message.payload = (void*)buf; |
sbetrabet | 19:9dfb938f07eb | 74 | message.payloadlen = strlen(buf)+1; |
sbetrabet | 19:9dfb938f07eb | 75 | rc = client.publish(topic3, message); |
sbetrabet | 20:568d04eb3d63 | 76 | printf("if condition checked, its snowy\r\n"); |
sbetrabet | 19:9dfb938f07eb | 77 | } |
sbetrabet | 19:9dfb938f07eb | 78 | else |
sbetrabet | 19:9dfb938f07eb | 79 | { |
sbetrabet | 20:568d04eb3d63 | 80 | printf("went into else\r\n"); |
sbetrabet | 19:9dfb938f07eb | 81 | } |
sbetrabet | 19:9dfb938f07eb | 82 | |
icraggs | 2:638c854c0695 | 83 | } |
icraggs | 0:0cae29831d01 | 84 | |
icraggs | 2:638c854c0695 | 85 | int main(int argc, char* argv[]) |
sbetrabet | 19:9dfb938f07eb | 86 | { |
sbetrabet | 19:9dfb938f07eb | 87 | wait (1); |
sbetrabet | 20:568d04eb3d63 | 88 | printf("Starting\r\n"); |
sbetrabet | 19:9dfb938f07eb | 89 | |
sbetrabet | 20:568d04eb3d63 | 90 | printf("Version is %f\r\n", version); |
geky | 17:92a64d43ee61 | 91 | |
sbetrabet | 19:9dfb938f07eb | 92 | |
geky | 17:92a64d43ee61 | 93 | |
icraggs | 6:e4c690c45021 | 94 | if (rc != 0) |
sbetrabet | 20:568d04eb3d63 | 95 | printf("rc from TCP connect is %d\r\n", rc); |
geky | 17:92a64d43ee61 | 96 | |
geky | 17:92a64d43ee61 | 97 | MQTTPacket_connectData data = MQTTPacket_connectData_initializer; |
sbetrabet | 19:9dfb938f07eb | 98 | //data.MQTTVersion = 3; |
sbetrabet | 19:9dfb938f07eb | 99 | //data.clientID.cstring = "mbed-clientID"; |
sbetrabet | 19:9dfb938f07eb | 100 | //data.username.cstring = "testuser"; |
sbetrabet | 19:9dfb938f07eb | 101 | //data.password.cstring = "testpassword"; |
sbetrabet | 19:9dfb938f07eb | 102 | |
icraggs | 16:28d062c5522b | 103 | if ((rc = client.connect(data)) != 0) |
sbetrabet | 20:568d04eb3d63 | 104 | printf("rc from MQTT connect is %d\r\n", rc); |
geky | 17:92a64d43ee61 | 105 | |
sbetrabet | 19:9dfb938f07eb | 106 | if ((rc = client.subscribe(topic2, MQTT::QOS1, subscribeCallback)) != 0) |
sbetrabet | 20:568d04eb3d63 | 107 | printf("Recv'd from MQTT subscribe is %d\r\n", rc); |
icraggs | 2:638c854c0695 | 108 | |
icraggs | 2:638c854c0695 | 109 | MQTT::Message message; |
sbetrabet | 19:9dfb938f07eb | 110 | // QoS 0 |
sbetrabet | 20:568d04eb3d63 | 111 | time_t seconds = time(NULL); |
sbetrabet | 20:568d04eb3d63 | 112 | |
sbetrabet | 20:568d04eb3d63 | 113 | sprintf(buf, "fa02d31610ce9ea0de15b22bb2fe279d, %s\r\n", key2); |
icraggs | 2:638c854c0695 | 114 | message.qos = MQTT::QOS0; |
icraggs | 2:638c854c0695 | 115 | message.retained = false; |
icraggs | 2:638c854c0695 | 116 | message.dup = false; |
icraggs | 2:638c854c0695 | 117 | message.payload = (void*)buf; |
icraggs | 2:638c854c0695 | 118 | message.payloadlen = strlen(buf)+1; |
sbetrabet | 20:568d04eb3d63 | 119 | |
sbetrabet | 20:568d04eb3d63 | 120 | |
icraggs | 16:28d062c5522b | 121 | rc = client.publish(topic, message); |
sbetrabet | 19:9dfb938f07eb | 122 | wait(5); |
sbetrabet | 19:9dfb938f07eb | 123 | /* |
sbetrabet | 20:568d04eb3d63 | 124 | sprintf(buf, "dCglDR-G9WoQUiig0XMNhOV4ozIEIVu3rWdBh5IlQ7d, %s\r\n", key2); |
sbetrabet | 19:9dfb938f07eb | 125 | message.payload = (void*)buf; |
sbetrabet | 19:9dfb938f07eb | 126 | message.payloadlen = strlen(buf)+1; |
sbetrabet | 19:9dfb938f07eb | 127 | rc = client.publish(topic2, message); |
sbetrabet | 19:9dfb938f07eb | 128 | */ |
sbetrabet | 20:568d04eb3d63 | 129 | |
sbetrabet | 19:9dfb938f07eb | 130 | while (arrivedcount < 10) |
icraggs | 2:638c854c0695 | 131 | client.yield(100); |
sbetrabet | 20:568d04eb3d63 | 132 | |
sbetrabet | 20:568d04eb3d63 | 133 | |
sbetrabet | 19:9dfb938f07eb | 134 | /* |
icraggs | 2:638c854c0695 | 135 | // QoS 1 |
sbetrabet | 20:568d04eb3d63 | 136 | sprintf(buf, "Hello World! QoS 1 message from app version %f\r\n", version); |
icraggs | 2:638c854c0695 | 137 | message.qos = MQTT::QOS1; |
icraggs | 2:638c854c0695 | 138 | message.payloadlen = strlen(buf)+1; |
icraggs | 16:28d062c5522b | 139 | rc = client.publish(topic, message); |
sbetrabet | 19:9dfb938f07eb | 140 | while (arrivedcount < 10) |
icraggs | 2:638c854c0695 | 141 | client.yield(100); |
sbetrabet | 19:9dfb938f07eb | 142 | |
icraggs | 2:638c854c0695 | 143 | // QoS 2 |
sbetrabet | 20:568d04eb3d63 | 144 | sprintf(buf, "Hello World! QoS 2 message from app version %f\r\n", version); |
icraggs | 2:638c854c0695 | 145 | message.qos = MQTT::QOS2; |
icraggs | 2:638c854c0695 | 146 | message.payloadlen = strlen(buf)+1; |
icraggs | 16:28d062c5522b | 147 | rc = client.publish(topic, message); |
icraggs | 12:086a9314e8a5 | 148 | while (arrivedcount < 3) |
icraggs | 2:638c854c0695 | 149 | client.yield(100); |
geky | 17:92a64d43ee61 | 150 | |
icraggs | 12:086a9314e8a5 | 151 | // n * QoS 2 |
sbetrabet | 19:9dfb938f07eb | 152 | |
geky | 17:92a64d43ee61 | 153 | for (int i = 1; i <= 10; ++i) { |
sbetrabet | 20:568d04eb3d63 | 154 | sprintf(buf, "Hello World! QoS 2 message number %d from app version %f\r\n", i, version); |
icraggs | 12:086a9314e8a5 | 155 | message.qos = MQTT::QOS2; |
icraggs | 12:086a9314e8a5 | 156 | message.payloadlen = strlen(buf)+1; |
icraggs | 16:28d062c5522b | 157 | rc = client.publish(topic, message); |
icraggs | 12:086a9314e8a5 | 158 | while (arrivedcount < i + 3) |
icraggs | 12:086a9314e8a5 | 159 | client.yield(100); |
icraggs | 12:086a9314e8a5 | 160 | } |
sbetrabet | 19:9dfb938f07eb | 161 | */ |
sbetrabet | 19:9dfb938f07eb | 162 | |
icraggs | 8:a3e3113054a1 | 163 | if ((rc = client.unsubscribe(topic)) != 0) |
sbetrabet | 20:568d04eb3d63 | 164 | printf("rc from unsubscribe was %d\r\n", rc); |
geky | 17:92a64d43ee61 | 165 | |
icraggs | 8:a3e3113054a1 | 166 | if ((rc = client.disconnect()) != 0) |
sbetrabet | 20:568d04eb3d63 | 167 | printf("rc from disconnect was %d\r\n", rc); |
geky | 17:92a64d43ee61 | 168 | |
sbetrabet | 19:9dfb938f07eb | 169 | //ipstack.disconnect(); |
sbetrabet | 20:568d04eb3d63 | 170 | //printf("Finishing with %d messages received\r\n", arrivedcount); |
geky | 17:92a64d43ee61 | 171 | |
icraggs | 0:0cae29831d01 | 172 | return 0; |
icraggs | 0:0cae29831d01 | 173 | } |