Diff: main.cpp

Revision:

1:cd3ca60ba7e8

Parent:

0:97c2d4128ff3

--- a/main.cpp	Thu Jul 20 09:05:08 2017 +0000
+++ b/main.cpp	Tue Jan 02 14:09:45 2018 +0000
@@ -1,33 +1,70 @@
+#include <string.h>
 #include "mbed.h"
+#include "easy-connect.h"
+#include "TCPSocket.h"
 #include "DHT.h"
 
-DHT sensor(D7,DHT22);
+DHT sensor(A0,DHT22);
+
+#define SERVER_IP "192.168.0.5"
+#define SERVER_PORT 50000
+
+Serial pc(USBTX, USBRX);
+
+char rec_buf[20];
+
+int main(){
+    int error = 0;
+    pc.baud(115200);
 
-void task_DHT();
+    pc.printf("\r\nConnecting...\r\n");
+    NetworkInterface *network = easy_connect(true);
+    while(!network){
+        pc.printf("Error: Cannot connect to the network\r\n");
+        wait(1);
+        network = easy_connect(true);
+    }
+    
+    pc.printf("Success\r\n\r\n");
+    pc.printf("MAC: %s\r\n", network->get_mac_address());
+    pc.printf("IP: %s\r\n", network->get_ip_address());
+    pc.printf("Netmask: %s\r\n", network->get_netmask());
+    pc.printf("Gateway: %s\r\n", network->get_gateway());
+    pc.printf("RSSI: %d\r\n\r\n", wifi.get_rssi());
+
+    pc.printf("\r\nDone\r\n");
 
-int main()
-{   
-    
-    while(1) {
-         task_DHT();
+    TCPSocket socket;
+
+    socket.open(network);
+    socket.connect(SERVER_IP, SERVER_PORT);
+
+    int c = 0, h = 0;
+    int send_cnt, rec_cnt;
+    while(1){
+        pc.printf("Sending request to %s : %d ...\r\n", SERVER_IP, SERVER_PORT);
+        char rec_buf[64]={};
+        rec_cnt = socket.recv(rec_buf, sizeof rec_buf);
+        pc.printf("%s\r\n", rec_buf);
+        if(!strcmp(rec_buf, "GET /DHT22\r\n")){
+            char send_buf[64]={};
+            send_cnt = socket.send("OK\r\n", sizeof("OK\r\n"));
+            error = sensor.readData();
+            if (error == 0) {
+                c   = sensor.ReadTemperature(CELCIUS);
+                h   = sensor.ReadHumidity();
+            }
+            else {
+                printf("Error: %d\r\n", error);
+            }
+            sprintf(send_buf, "{ \"temp\": \"%d\", \"humid\": \"%d\"}\r\n", c, h);
+            send_cnt = socket.send(send_buf, sizeof(send_buf));
+            pc.printf(send_buf);
+        }
+        else{
+            pc.printf("Unknown request\r\n");
+            send_cnt = socket.send("Unknown request\r\n", sizeof("Unknown request\r\n"));
+        }
     }
 }
-void task_DHT(){
-    int error = 0;
-    int h, c,f;
-    float dp = 0.0f;
- 
-        wait(2.0f);
-        error = sensor.readData();
-        if (0 == error) {
-            c   = sensor.ReadTemperature(CELCIUS);
-            f   = sensor.ReadTemperature(FARENHEIT);
-            h   = sensor.ReadHumidity();
-            dp  = sensor.CalcdewPoint(c, h);
-    
-            printf("Temperature in Celcius: %d, Farenheit %d\r\n", c, f);
-            printf("Humidity is %d, Dewpoint: %4.2f\r\n\n", h, dp);
-        } else {
-            printf("Error: %d\r\n", error);
-        }
-}
+