Timon Claerhout / Mbed OS tcp-client

TCP-client with round robin communication -> Added extra function to select address of client with joystick

Dependencies:   C12832 LM75B

main.cpp@1:61982a2230eb, 2020-11-08 (annotated)

Committer:
timonclaerhout
Date:
Sun Nov 08 13:12:21 2020 +0000
Revision:
1:61982a2230eb
Parent:
0:1a75d762a447 
TCP-client with round robin communication; -> Added extra function to select address of client with joystick

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pcordemans 0:1a75d762a447 1 #include "mbed.h"
pcordemans 0:1a75d762a447 2 #include "EthernetInterface.h"
timonclaerhout 1:61982a2230eb 3 #include "LM75B.h"
timonclaerhout 1:61982a2230eb 4 #include "C12832.h"
timonclaerhout 1:61982a2230eb 5 #include <string>
pcordemans 0:1a75d762a447 6
timonclaerhout 1:61982a2230eb 7 //Using Arduino pin notation
timonclaerhout 1:61982a2230eb 8 C12832 lcd(D11, D13, D12, D7, D10);
timonclaerhout 1:61982a2230eb 9 LM75B sensor(D14,D15);
timonclaerhout 1:61982a2230eb 10
timonclaerhout 1:61982a2230eb 11 //Potentiometer
timonclaerhout 1:61982a2230eb 12 AnalogIn pot (A0);
timonclaerhout 1:61982a2230eb 13
timonclaerhout 1:61982a2230eb 14 //Joystick
timonclaerhout 1:61982a2230eb 15 DigitalIn left(A4);
timonclaerhout 1:61982a2230eb 16 DigitalIn right(A5);
timonclaerhout 1:61982a2230eb 17 DigitalIn select(D4);
pcordemans 0:1a75d762a447 18
timonclaerhout 1:61982a2230eb 19 void select_state(){
timonclaerhout 1:61982a2230eb 20 while(1){
timonclaerhout 1:61982a2230eb 21 lcd.cls();
timonclaerhout 1:61982a2230eb 22 lcd.locate(0,3);
timonclaerhout 1:61982a2230eb 23 lcd.printf("Select State by moving the joystick \n");
timonclaerhout 1:61982a2230eb 24 lcd.printf("And select by pressing the joystick \n");
timonclaerhout 1:61982a2230eb 25 if(left) {
timonclaerhout 1:61982a2230eb 26 lcd.cls();
timonclaerhout 1:61982a2230eb 27 lcd.printf("The node is a reciever");
timonclaerhout 1:61982a2230eb 28 sender = false;
timonclaerhout 1:61982a2230eb 29 }
timonclaerhout 1:61982a2230eb 30 if(right){
timonclaerhout 1:61982a2230eb 31 lcd.cls();
timonclaerhout 1:61982a2230eb 32 lcd.printf("The node is a sender");
timonclaerhout 1:61982a2230eb 33 sender = true;
timonclaerhout 1:61982a2230eb 34 }
timonclaerhout 1:61982a2230eb 35 if(select){
timonclaerhout 1:61982a2230eb 36 lcd.cls();
timonclaerhout 1:61982a2230eb 37 break;
timonclaerhout 1:61982a2230eb 38 }
timonclaerhout 1:61982a2230eb 39 }
timonclaerhout 1:61982a2230eb 40 }
timonclaerhout 1:61982a2230eb 41
timonclaerhout 1:61982a2230eb 42 void select_address(){
timonclaerhout 1:61982a2230eb 43 while(1){
timonclaerhout 1:61982a2230eb 44 lcd.cls();
timonclaerhout 1:61982a2230eb 45 lcd.locate(0,3);
timonclaerhout 1:61982a2230eb 46 lcd.printf("Select your address by moving the joystick \n");
timonclaerhout 1:61982a2230eb 47 lcd.printf("And select by pressing the joystick");
timonclaerhout 1:61982a2230eb 48 if(left && id_of_sender > 0) {
timonclaerhout 1:61982a2230eb 49 lcd.cls();
timonclaerhout 1:61982a2230eb 50 id_of_sender -= 1;
timonclaerhout 1:61982a2230eb 51 lcd.printf("The address is: 192.168.0.", id_of_sender);
timonclaerhout 1:61982a2230eb 52 }
timonclaerhout 1:61982a2230eb 53 if(right && id_of_sender < 255){
timonclaerhout 1:61982a2230eb 54 lcd.cls();
timonclaerhout 1:61982a2230eb 55 id_of_sender += 1;
timonclaerhout 1:61982a2230eb 56 lcd.printf("The address is: 192.168.0.", id_of_sender);
timonclaerhout 1:61982a2230eb 57 }
timonclaerhout 1:61982a2230eb 58 if(select){
timonclaerhout 1:61982a2230eb 59 lcd.cls();
timonclaerhout 1:61982a2230eb 60 break;
timonclaerhout 1:61982a2230eb 61 }
timonclaerhout 1:61982a2230eb 62 }
timonclaerhout 1:61982a2230eb 63 }
timonclaerhout 1:61982a2230eb 64
timonclaerhout 1:61982a2230eb 65 void select_reciever_id(){
timonclaerhout 1:61982a2230eb 66 while(1){
timonclaerhout 1:61982a2230eb 67 lcd.cls();
timonclaerhout 1:61982a2230eb 68 lcd.locate(0,3);
timonclaerhout 1:61982a2230eb 69 lcd.printf("Select reciever id by moving the joystick \n");
timonclaerhout 1:61982a2230eb 70 lcd.printf("And select by pressing the joystick");
timonclaerhout 1:61982a2230eb 71 if(left && id_of_reciever > 0) {
timonclaerhout 1:61982a2230eb 72 lcd.cls();
timonclaerhout 1:61982a2230eb 73 id_of_reciever -= 1;
timonclaerhout 1:61982a2230eb 74 lcd.printf("The reciever id is: ", id_of_reciever);
timonclaerhout 1:61982a2230eb 75 }
timonclaerhout 1:61982a2230eb 76 if(right && id_of_reciever < 255){
timonclaerhout 1:61982a2230eb 77 lcd.cls();
timonclaerhout 1:61982a2230eb 78 id_of_reciever += 1;
timonclaerhout 1:61982a2230eb 79 lcd.printf("The reciever id is: ", id_of_reciever);
timonclaerhout 1:61982a2230eb 80 }
timonclaerhout 1:61982a2230eb 81 if(select){
timonclaerhout 1:61982a2230eb 82 lcd.cls();
timonclaerhout 1:61982a2230eb 83 break;
timonclaerhout 1:61982a2230eb 84 }
timonclaerhout 1:61982a2230eb 85 }
timonclaerhout 1:61982a2230eb 86 }
timonclaerhout 1:61982a2230eb 87
timonclaerhout 1:61982a2230eb 88 void store_all_values(){
timonclaerhout 1:61982a2230eb 89 char upperbyte = (temperature >> 8) & 0xFF;
timonclaerhout 1:61982a2230eb 90 char lowerbyte = temperature & 0xFF;
timonclaerhout 1:61982a2230eb 91 char potentiometer = pot/1024 * 256;
timonclaerhout 1:61982a2230eb 92 buffer[0] = upperbyte;
timonclaerhout 1:61982a2230eb 93 buffer[1] = lowerbyte;
timonclaerhout 1:61982a2230eb 94 buffer[2] = potentiometer;
timonclaerhout 1:61982a2230eb 95 buffer[3] = id_of_sender;
timonclaerhout 1:61982a2230eb 96 }
timonclaerhout 1:61982a2230eb 97
timonclaerhout 1:61982a2230eb 98 void send_all_values(){
timonclaerhout 1:61982a2230eb 99 socket.send(buffer,4);
timonclaerhout 1:61982a2230eb 100 }
timonclaerhout 1:61982a2230eb 101
timonclaerhout 1:61982a2230eb 102 void connect_server(){
timonclaerhout 1:61982a2230eb 103 TCPSocket socket;
timonclaerhout 1:61982a2230eb 104 string address_reciever = "192.168.0." + id_of_reciever;
timonclaerhout 1:61982a2230eb 105 socket.open(&eth);
timonclaerhout 1:61982a2230eb 106 socket.connect(address_reciever,4000);
timonclaerhout 1:61982a2230eb 107 }
timonclaerhout 1:61982a2230eb 108
timonclaerhout 1:61982a2230eb 109 void connect_network(){
timonclaerhout 1:61982a2230eb 110 EthernetInterface eth;
timonclaerhout 1:61982a2230eb 111 string address_sender = "192.168.0." + id_of_sender;
timonclaerhout 1:61982a2230eb 112 eth.set_network(address_sender,"255.255.255.0","192.168.0.1");
timonclaerhout 1:61982a2230eb 113 eth.connect();
timonclaerhout 1:61982a2230eb 114 }
pcordemans 0:1a75d762a447 115
pcordemans 0:1a75d762a447 116 int main()
pcordemans 0:1a75d762a447 117 {
pcordemans 0:1a75d762a447 118 printf("Client example\n\r");
timonclaerhout 1:61982a2230eb 119
pcordemans 0:1a75d762a447 120 printf("The client IP address is '%s'\n\r", eth.get_ip_address());
timonclaerhout 1:61982a2230eb 121
timonclaerhout 1:61982a2230eb 122 bool sender = false;
timonclaerhout 1:61982a2230eb 123 char id_of_sender = 1;
timonclaerhout 1:61982a2230eb 124 char id_of_reciever = 1;
timonclaerhout 1:61982a2230eb 125 char buffer[4];
pcordemans 0:1a75d762a447 126
timonclaerhout 1:61982a2230eb 127 uint16_t temperature = sensor.temp();
timonclaerhout 1:61982a2230eb 128
timonclaerhout 1:61982a2230eb 129 select_address(); //What is the IP-address of the node
timonclaerhout 1:61982a2230eb 130 select_reciever_id(); //each node wether sender/reciever needs to select reciever id (round-robin)
timonclaerhout 1:61982a2230eb 131 select_state(); // is node a Sender or Reciever?
timonclaerhout 1:61982a2230eb 132 if(sender){
timonclaerhout 1:61982a2230eb 133 connect_network(); //Setup network
timonclaerhout 1:61982a2230eb 134 connect_server(); //Connect to server (reciever)
timonclaerhout 1:61982a2230eb 135 store_all_values(); //store the data in buffer
timonclaerhout 1:61982a2230eb 136 send_all_values(); //send data of buffer to reciever
timonclaerhout 1:61982a2230eb 137 sender = false; //if packet is send, node becomes reciever again (round-robin)
timonclaerhout 1:61982a2230eb 138 }
timonclaerhout 1:61982a2230eb 139 socket.close(); //close communication
pcordemans 0:1a75d762a447 140 }
pcordemans 0:1a75d762a447 141
pcordemans 0:1a75d762a447 142