DONGHEON LEE / Mbed OS hw3_21300515

hw3_21300515

Fork of coap-example by sandbox

source/main.cpp@1:4d65f05c7d2f, 2018-01-02 (annotated)

Committer:
DongHeon
Date:
Tue Jan 02 12:36:15 2018 +0000
Revision:
1:4d65f05c7d2f
Parent:
0:0681e205d0e9 
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DongHeon 1:4d65f05c7d2f 1 #include <string.h>
Jan Jongboom 0:0681e205d0e9 2 #include "mbed.h"
Jan Jongboom 0:0681e205d0e9 3 #include "easy-connect.h"
DongHeon 1:4d65f05c7d2f 4 #include "TCPSocket.h"
DongHeon 1:4d65f05c7d2f 5 #include "DHT.h"
Jan Jongboom 0:0681e205d0e9 6
DongHeon 1:4d65f05c7d2f 7 DHT dht22(A0,DHT22);
Jan Jongboom 0:0681e205d0e9 8
DongHeon 1:4d65f05c7d2f 9 #define SERVER_IP "192.168.0.8"
DongHeon 1:4d65f05c7d2f 10 #define SERVER_PORT 50000
Jan Jongboom 0:0681e205d0e9 11
DongHeon 1:4d65f05c7d2f 12 Serial pc(USBTX, USBRX);
Jan Jongboom 0:0681e205d0e9 13
Jan Jongboom 0:0681e205d0e9 14
Jan Jongboom 0:0681e205d0e9 15
DongHeon 1:4d65f05c7d2f 16 int main(){
DongHeon 1:4d65f05c7d2f 17 int error = 0;
DongHeon 1:4d65f05c7d2f 18 pc.baud(115200);
DongHeon 1:4d65f05c7d2f 19 pc.printf("\r\nConnecting...\r\n");
DongHeon 1:4d65f05c7d2f 20 NetworkInterface * network = easy_connect(true);
DongHeon 1:4d65f05c7d2f 21
DongHeon 1:4d65f05c7d2f 22 // couldn't find network.
DongHeon 1:4d65f05c7d2f 23 if(!network)
DongHeon 1:4d65f05c7d2f 24 {
DongHeon 1:4d65f05c7d2f 25 pc.printf("Error: Cannot connect to the network\r\n");
DongHeon 1:4d65f05c7d2f 26
Jan Jongboom 0:0681e205d0e9 27 }
DongHeon 1:4d65f05c7d2f 28 //success
DongHeon 1:4d65f05c7d2f 29 pc.printf("Success\r\n\r\n");
DongHeon 1:4d65f05c7d2f 30 pc.printf("MAC: %s\r\n", network->get_mac_address());
DongHeon 1:4d65f05c7d2f 31 pc.printf("IP: %s\r\n", network->get_ip_address());
DongHeon 1:4d65f05c7d2f 32 pc.printf("Netmask: %s\r\n", network->get_netmask());
DongHeon 1:4d65f05c7d2f 33 pc.printf("Gateway: %s\r\n", network->get_gateway());
DongHeon 1:4d65f05c7d2f 34 pc.printf("RSSI: %d\r\n\r\n", wifi.get_rssi());
DongHeon 1:4d65f05c7d2f 35
DongHeon 1:4d65f05c7d2f 36 TCPSocket socket;
Jan Jongboom 0:0681e205d0e9 37 socket.open(network);
DongHeon 1:4d65f05c7d2f 38 socket.connect(SERVER_IP, SERVER_PORT);
Jan Jongboom 0:0681e205d0e9 39
DongHeon 1:4d65f05c7d2f 40 float cel = 0, humid = 0;
DongHeon 1:4d65f05c7d2f 41 int send_message, receive_message;
DongHeon 1:4d65f05c7d2f 42 while(1){
DongHeon 1:4d65f05c7d2f 43 char rbuffer[64] ={};
DongHeon 1:4d65f05c7d2f 44 pc.printf("Sending request to %s : %d ...\r\n", SERVER_IP, SERVER_PORT);
DongHeon 1:4d65f05c7d2f 45 // artik to nucleo
DongHeon 1:4d65f05c7d2f 46 receive_message = socket.recv(rbuffer, sizeof rbuffer);
DongHeon 1:4d65f05c7d2f 47 pc.printf("%s\r\n", rbuffer);
DongHeon 1:4d65f05c7d2f 48 if(!strcmp(rbuffer,"GET /DHT22\r\n"))
DongHeon 1:4d65f05c7d2f 49 {
DongHeon 1:4d65f05c7d2f 50 char sbuffer[64]={};
DongHeon 1:4d65f05c7d2f 51 send_message = socket.send("OKAY\r", sizeof("OKAY\r"));
DongHeon 1:4d65f05c7d2f 52 //
DongHeon 1:4d65f05c7d2f 53 error = dht22.readData();
DongHeon 1:4d65f05c7d2f 54 if (error == 0) {
DongHeon 1:4d65f05c7d2f 55 cel = dht22.ReadTemperature(CELCIUS);
DongHeon 1:4d65f05c7d2f 56 humid = dht22.ReadHumidity();
DongHeon 1:4d65f05c7d2f 57 }
DongHeon 1:4d65f05c7d2f 58 else {
DongHeon 1:4d65f05c7d2f 59 printf("ERROR : %d\r\n", error);
DongHeon 1:4d65f05c7d2f 60 }
DongHeon 1:4d65f05c7d2f 61 sprintf(sbuffer, "TEMP = %.2f humid = %.2f!\r", cel, humid);
DongHeon 1:4d65f05c7d2f 62 send_message = socket.send(sbuffer, sizeof(sbuffer));
DongHeon 1:4d65f05c7d2f 63 pc.printf(sbuffer);
DongHeon 1:4d65f05c7d2f 64 }
DongHeon 1:4d65f05c7d2f 65 else{
DongHeon 1:4d65f05c7d2f 66 pc.printf("Unknown request\r");
DongHeon 1:4d65f05c7d2f 67 send_message = socket.send("Unknown request\r", sizeof("Unknown request\r"));
DongHeon 1:4d65f05c7d2f 68 }
DongHeon 1:4d65f05c7d2f 69 }
DongHeon 1:4d65f05c7d2f 70 }