|
| 1 | +#include <SPI.h> |
| 2 | +#include <Ethernet.h> |
| 3 | +#include <ArduinoJson.h> |
| 4 | + |
| 5 | +byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; |
| 6 | +IPAddress my_ip(192,168,1,75); |
| 7 | +IPAddress server(192,168,1,201); |
| 8 | + |
| 9 | +EthernetClient client; |
| 10 | + |
| 11 | +String params; |
| 12 | +StaticJsonBuffer<200> jsonBuffer; |
| 13 | + |
| 14 | +void setup() { |
| 15 | + int monitor_serial = 9600; |
| 16 | + Serial.begin(monitor_serial); |
| 17 | + |
| 18 | + // wait for serial port to connect |
| 19 | + while(!Serial) { |
| 20 | + |
| 21 | + } |
| 22 | + |
| 23 | + Ethernet.begin(mac, my_ip); |
| 24 | + |
| 25 | + params = "value1="; |
| 26 | + params.concat(5); |
| 27 | + params.concat("&value="); |
| 28 | + params.concat(10); |
| 29 | + |
| 30 | + // parse String to JSON Object |
| 31 | + JsonObject& root = jsonBuffer.createObject(); |
| 32 | + root["value"] = 5; |
| 33 | + root["value2"] = 10; |
| 34 | + |
| 35 | + // this is example for creating nested array data |
| 36 | +// JsonArray& data = root.createNestedArray("data"); |
| 37 | +// data.add(123); |
| 38 | +// data.add(321); |
| 39 | + |
| 40 | + // this is for printing json encoded to serial |
| 41 | + // root.printTo(Serial); |
| 42 | + |
| 43 | + Serial.print("My IP Address : "); |
| 44 | + Serial.println(my_ip); |
| 45 | + Serial.print("Destination Server : "); |
| 46 | + Serial.println(server); |
| 47 | + Serial.println("Connecting ..."); |
| 48 | + delay(3000); |
| 49 | + |
| 50 | + // connect to server with standard port 80 |
| 51 | + if(client.connect(server,80)) { |
| 52 | + Serial.println("Connected."); |
| 53 | + Serial.println(); |
| 54 | + delay(1000); |
| 55 | + |
| 56 | + Serial.println("Sending Data ..."); |
| 57 | + |
| 58 | + // write http request |
| 59 | + client.println("POST /epass-passenger/api/post HTTP/1.1"); |
| 60 | + Serial.println("POST /epass-passenger/api/post HTTP/1.1"); |
| 61 | + client.print("Host : "); |
| 62 | + client.println(server); |
| 63 | + client.println("Content Type : application/x-www-form-urlencoded"); |
| 64 | + client.println("Connection : close"); |
| 65 | + client.println("User-Agent : Arduino/1.0"); |
| 66 | + client.print("Content-Length : "); |
| 67 | + client.println(root.measureLength()); |
| 68 | + client.println(); |
| 69 | + Serial.print("Sent Data : "); |
| 70 | + root.printTo(client); |
| 71 | + root.printTo(Serial); |
| 72 | + client.println(); |
| 73 | + Serial.println(); |
| 74 | + } else { |
| 75 | + Serial.print("Cannot connect to "); |
| 76 | + Serial.println(server); |
| 77 | + } |
| 78 | +} |
| 79 | + |
| 80 | +void loop() { |
| 81 | + if(client.available()) { |
| 82 | + char c = client.read(); |
| 83 | + Serial.print(c); |
| 84 | + } |
| 85 | + |
| 86 | + if(!client.connected()) { |
| 87 | + Serial.println(); |
| 88 | + Serial.println("Disconnecting ..."); |
| 89 | + delay(3000); |
| 90 | + client.stop(); |
| 91 | + Serial.println("Disconnected."); |
| 92 | + while(true) { |
| 93 | + delay(1); |
| 94 | + } |
| 95 | + } |
| 96 | +} |
0 commit comments