Revision 3:399fd9e24cea, committed 2017-12-13

Comitter:

shabach

Date:

Wed Dec 13 15:44:24 2017 +0000

Parent:

2:3f45a93a19e5

Commit message:

This is my program for a wireless connected embedded system using wifi.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266.lib	Wed Dec 13 15:44:24 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/quevedo/code/ESP8266/#77388e8f0697

--- a/EthernetInterface.lib	Wed Mar 22 22:54:08 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://developer.mbed.org/users/mbed_official/code/EthernetInterface/#2fc406e2553f

--- a/M2XStreamClient.lib	Wed Mar 22 22:54:08 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://developer.mbed.org/teams/ATT-M2X-team/code/M2XStreamClient/#2610823f7f2e

--- a/jsonlite.lib	Wed Mar 22 22:54:08 2017 +0000
+++ b/jsonlite.lib	Wed Dec 13 15:44:24 2017 +0000
@@ -1,1 +1,1 @@
-http://developer.mbed.org/users/citrusbyte/code/jsonlite/#807034181e02
+https://os.mbed.com/users/shabach/code/jsonlite/#a60dce88c862

--- a/main.cpp	Wed Mar 22 22:54:08 2017 +0000
+++ b/main.cpp	Wed Dec 13 15:44:24 2017 +0000
@@ -1,57 +1,57 @@
 #include "mbed.h"
-#include "M2XStreamClient.h"
-#include "EthernetInterface.h"
+#include "ESP8266.h"
+#include <string>
+
+#define APIKEY V5N1NKKKH5T51D48    //Put "Write key" of your channel in thingspeak.com 
+#define IP "184.106.153.149"       // IP Address of "api.thingspeak.com\"
+#define WIFI_SSID "Jeremy"
+#define WIFI_PASS "mbedproject"
+
+Serial pc(USBTX, USBRX); // tx, rx
+ESP8266 WiFi (D1, D0, 115200);
 
 AnalogIn temp(A0);
 DigitalOut test(D3, 0);
 InterruptIn motion(D2);
-Serial pc(USBTX, USBRX); // tx, rx
+
+void WiFi_Init (void);
+void WiFi_Send (void);
 
+char snd[255];
+char rcv[1000];
+
+int motion_cnt = 0;
 int motion_detected = 0;
-char deviceId[] = "db9efa47cfb6502a21e51cdc97a3cdb4"; // Device you want to push to
-char streamTemp[] = "Temprature"; // Stream you want to push to
-char streamInt[] = "Intruder";
-char streamInts[] = "Intruders";
-char m2xKey[] = "d647418357fc21e8ab3672210493efe6"; // Your M2X API Key or Master API Key
-
-
+double tempC;
+double tempF;
+    
 void irq_handler(void)
 {
     motion_detected = 1;
 }
 
-
 int main(void)
 {
-    int motion_cnt = 0;
+    pc.baud(115200);
+    pc.printf("Program Started \r\n");
+    
+    WiFi_Init();
+    
+    pc.printf("WiFi Connected! \r\n");
     
     //time_t is used to store the calender time format
     time_t rawtime;
     struct tm *timeinfo;
     
-    double tempC, tempF;
-    
-    pc.printf("Started\r\n");
-    
     motion.rise(&irq_handler);
     
-    // Intialize Ethernet connection
-    EthernetInterface eth;
-    eth.init();
-    eth.connect();
-    printf("Success. Connected!. Device IP Address is %s\r\n", eth.getIPAddress());
- 
-    // Initialize the M2X client
-    Client client;
-    M2XStreamClient m2xClient(&client, m2xKey);
-        
     while(1)
     {
-        tempC = (temp*330);
+        tempC = (temp*300);
         tempF = (9.0*tempC)/5.0 + 32.0;
         
-        m2xClient.updateStreamValue(deviceId, streamTemp, tempF);
-    
+        pc.printf("Temperature is %.2f C %.2f F\n\r", tempC, tempF);
+        
         wait(1);
         
         if(motion_detected)
@@ -63,20 +63,105 @@
             motion_cnt++;
             motion_detected = 0;
             pc.printf("Motion %d Detected at %d:%d:%d \n\r", motion_cnt, timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
-            m2xClient.updateStreamValue(deviceId, streamInt, motion_cnt);
-            m2xClient.updateStreamValue(deviceId, streamInts, motion_cnt);
         }
         
-        if(tempC > 25)
+        if(tempF > 90)
         {
-            pc.printf("Temperature is %.2f C %.2f F\n\r", tempC, tempF);
             DigitalOut test(D3,1);
             
         }
         else
         {
          DigitalOut test(D3,0);
-        
         }
+        WiFi_Send();
     }
 }
+
+void WiFi_Init (void)
+{
+    pc.printf("Initializing ESP \r\n");
+
+    pc.printf("Reset WiFi \r\n");
+    WiFi.Reset();                   //RESET ESP
+    WiFi.RcvReply(rcv, 400);        //receive a response from ESP
+    pc.printf("%s \r\n", rcv);
+    wait(2);
+
+    strcpy(snd, "AT");
+    WiFi.SendCMD(snd);
+    pc.printf("%s \r\n", snd);
+    WiFi.RcvReply(rcv, 400);
+    pc.printf("%s \r\n", rcv);
+    wait(2);
+
+    strcpy(snd, "AT+CWMODE=1");
+    WiFi.SendCMD(snd);
+    pc.printf("%s \r\n", snd);
+    WiFi.RcvReply(rcv, 400);
+    pc.printf("%s \r\n", rcv);
+    wait(2);
+
+    strcpy(snd, "AT+CWJAP=\"");
+    strcat(snd, WIFI_SSID);
+    strcat(snd, "\",\"");
+    strcat(snd, WIFI_PASS);
+    strcat(snd, "\"");
+
+    WiFi.SendCMD(snd);
+    pc.printf("%s \r\n", snd);
+    wait(2);
+    WiFi.RcvReply(rcv, 400);
+    pc.printf("%s \r\n", rcv);
+    wait(2);
+
+    strcpy(snd, "AT+CIPMUX=1");
+    WiFi.SendCMD(snd);
+    pc.printf("%s \r\n", snd);
+    WiFi.RcvReply(rcv, 400);
+    pc.printf("%s \r\n", rcv);
+    wait(2);
+}
+
+void WiFi_Send (void)
+{
+    //ESP updates the Status of Thingspeak channel//
+
+    strcpy(snd,"AT+CIPSTART=");
+    strcat(snd,"\"TCP\",\"");
+    strcat(snd,IP);
+    strcat(snd,"\",80");
+
+    WiFi.SendCMD(snd);
+    pc.printf("Send\r\n%s",snd);
+    WiFi.RcvReply(rcv, 1000);
+    pc.printf("Receive\r\n%s",rcv);
+    wait(1);
+
+    sprintf(snd,"GET https://api.thingspeak.com/update?api_key=V5N1NKKKH5T51D48&field1=%f&field2=%d\r\n", tempF, motion_cnt);
+
+    int i=0;
+    for(i=0; snd[i]!='\0'; i++);
+    i++;
+    char cmd[255];
+
+    sprintf(cmd,"AT+CIPSEND=%d",i);           //Send Number of open connection and Characters to send
+    WiFi.SendCMD(cmd);
+    pc.printf("Send\r\n%s",cmd);
+    while(i<=20 || rcv == ">") {
+        WiFi.RcvReply(rcv, 1000);
+        wait(100);
+        i++;
+    }
+    pc.printf("Receive\r\n%s",rcv);
+
+    WiFi.SendCMD(snd);       //Post value to thingspeak channel
+    pc.printf("Send\r\n%s",snd);
+
+    while(i<=20 || rcv == "OK") {
+        WiFi.RcvReply(rcv, 1000);
+        wait(100);
+        i++;
+    }
+    pc.printf("Receive\r\n%s",rcv);
+}
\ No newline at end of file