[136] | 1 | /*
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| 2 |
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| 3 | This sketch uses the xmpp connector to receive command for the MCU from a xmpp client.
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| 4 |
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| 5 | Possible commands to send from the xmpp client:
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| 6 |
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| 7 | * "digital/PIN" -> to read a digital PIN
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| 8 | * "digital/PIN/VALUE" -> to write a digital PIN (VALUE: 1/0)
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| 9 | * "analog/PIN/VALUE" -> to write in a PWM PIN(VALUE range: 0 - 255);
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| 10 | * "analog/PIN" -> to read a analog PIN
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| 11 | * "servo/PIN/VALUE" -> to write angle in a SERVO PIN(VALUE range: 0 - 180);
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| 12 | * "mode/PIN/VALUE" -> to set the PIN mode (VALUE: input / output)
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| 13 | * "led on" -> turn on led 13
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| 14 | * "led off" -> turn off led 13
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| 15 | * "ciao" -> random answers in 5 different languages
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| 16 |
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| 17 | NOTE: be sure to activate and configure xmpp connector on Linino OS
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| 18 | http://labs.arduino.org/Ciao
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| 19 |
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| 20 | created September 2015
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| 21 | by andrea[at]arduino[dot]org
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| 22 |
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| 23 | */
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| 24 |
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| 25 | #include <Ciao.h>
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| 26 | #include <Servo.h>
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| 27 |
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| 28 | Servo servo;
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| 29 |
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| 30 | void setup() {
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| 31 |
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| 32 | Ciao.begin();
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| 33 | }
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| 34 |
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| 35 | void loop() {
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| 36 |
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| 37 | CiaoData data = Ciao.read("xmpp");
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| 38 | if(!data.isEmpty()){
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| 39 | String id = data.get(0);
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| 40 | String sender = data.get(1);
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| 41 | String message = data.get(2);
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| 42 |
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| 43 | message.toUpperCase();
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| 44 |
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| 45 | if(message == "LED ON"){
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| 46 | digitalWrite(13,HIGH);
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| 47 | Ciao.writeResponse("xmpp",id,"Led D13 ON");
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| 48 | }
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| 49 |
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| 50 | else if(message == "LED OFF"){
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| 51 | digitalWrite(13,LOW);
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| 52 | Ciao.writeResponse("xmpp",id,"Led D13 OFF");
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| 53 | }
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| 54 | else{
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| 55 | String command[3];
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| 56 |
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| 57 | splitString(message,"/",command,3);
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| 58 | execute(command,id);
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| 59 | }
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | void execute(String cmd[], String id) {
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| 64 |
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| 65 | if (cmd[0] == "DIGITAL") {
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| 66 | digitalCommand(cmd,id);
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| 67 | }
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| 68 | else if (cmd[0] == "ANALOG") {
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| 69 | analogCommand(cmd,id);
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| 70 | }
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| 71 | else if (cmd[0] == "SERVO") {
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| 72 | servoCommand(cmd,id);
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| 73 | }
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| 74 | else if (cmd[0] == "MODE") {
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| 75 | setMode(cmd,id);
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| 76 | }
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| 77 | else
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| 78 | Ciao.writeResponse("xmpp",id,"sorry, i don't understand :(");
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| 79 | }
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| 80 |
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| 81 | void servoCommand(String cmd[], String id){
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| 82 | int pin, value;
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| 83 |
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| 84 | pin = (cmd[1]).toInt();
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| 85 |
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| 86 | if (cmd[2] != "-1") {
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| 87 | value = (cmd[2]).toInt();
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| 88 | if(value <= 180 && value >=0){
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| 89 | servo.attach(pin);
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| 90 | servo.write(value);
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| 91 | Ciao.writeResponse("xmpp",id,"Servo D"+String(pin)+" set to "+String(value)+" degrees");
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| 92 | }
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| 93 | else
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| 94 | Ciao.writeResponse("xmpp",id,"Invalid angle value");
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| 95 | }
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| 96 | else
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| 97 | Ciao.writeResponse("xmpp",id,"Invalid command");
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| 98 | }
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| 99 |
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| 100 | void digitalCommand(String cmd[], String id) {
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| 101 | int pin, value;
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| 102 |
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| 103 | pin = (cmd[1]).toInt();
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| 104 |
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| 105 | if (cmd[2] != "-1") {
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| 106 | value = (cmd[2]).toInt();
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| 107 | digitalWrite(pin, value);
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| 108 | if (value == 1)
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| 109 | Ciao.writeResponse("xmpp",id,"Pin D"+String(pin)+" ON");
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| 110 | else if(value == 0)
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| 111 | Ciao.writeResponse("xmpp",id,"Pin D"+String(pin)+" OFF");
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| 112 | }
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| 113 | else if (cmd[2] == "-1") {
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| 114 | value = digitalRead(pin);
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| 115 | Ciao.writeResponse("xmpp",id,"D"+String(pin)+" value = "+String(value));
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | void analogCommand(String cmd[], String id) {
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| 120 | int pin, value;
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| 121 |
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| 122 | pin = (cmd[1]).toInt();
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| 123 |
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| 124 | if (cmd[2] != "-1") {
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| 125 | value =(cmd[2]).toInt();
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| 126 | analogWrite(pin, value);
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| 127 | Ciao.writeResponse("xmpp",id,"D"+String(pin)+" set to analog");
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| 128 | }
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| 129 | else if (cmd[2] == "-1") {
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| 130 | value = analogRead(pin);
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| 131 | Ciao.writeResponse("xmpp",id,"A"+String(pin)+" value = "+String(value));
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | void setMode(String cmd[], String id) {
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| 136 | int pin;
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| 137 |
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| 138 | pin = (cmd[1]).toInt();
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| 139 |
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| 140 | if (cmd[2] == "INPUT") {
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| 141 | pinMode(pin, INPUT);
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| 142 | Ciao.writeResponse("xmpp",id," pin D"+String(pin)+" set in INPUT mode");
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| 143 | return;
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| 144 | }
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| 145 |
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| 146 | if (cmd[2] == "OUTPUT") {
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| 147 | pinMode(pin, OUTPUT);
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| 148 | Ciao.writeResponse("xmpp",id," pin D"+String(pin)+" set in OUTPUT mode");
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| 149 | return;
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| 150 | }
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| 151 | Ciao.writeResponse("xmpp",id,"invalid mode");
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| 152 | }
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