Diff: main.cpp

Revision:

1:e4753022f351

Parent:

0:57cec3469a80

Child:

2:f01835b2e4f7

--- a/main.cpp	Thu Oct 22 16:18:21 2015 +0000
+++ b/main.cpp	Fri Mar 18 05:13:25 2016 +0000
@@ -1,25 +1,100 @@
 #include "mbed.h"
- 
+#include <string> 
+#include <sstream>
+#include <stdlib.h>
+
 Serial pc(USBTX, USBRX);
 Serial esp(p28, p27); // tx, rx
 DigitalOut reset(p26);
 DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
 DigitalOut led4(LED4);
+DigitalIn  pb(p10);
+PwmOut     light(p21);
+
+Ticker alarmChecker;
+bool alarmFired = false;
+int alarmHour = 23;
+int alarmMin = 49;
+int alarmDur = 1;
+string data;
 Timer t;
+time_t rtc;
+struct tm *tp;
+   
  
 int  count,ended,timeout;
 char buf[2024];
 char snd[1024];
+char val[2];
  
-char ssid[32] = "SwagInABag";     // enter WiFi router ssid inside the quotes
-char pwd [32] = "yoloswag"; // enter WiFi router password inside the quotes
+char ssid[32] = "ssid";     // enter WiFi router ssid inside the quotes
+char pwd [32] = "password"; // enter WiFi router password inside the quotes
  
-void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
+void SendCMD(),getreply(),ESPhttp(),ESPsetbaudrate(), sendConfig(), ESPreset(), sendNTPFunction(), updateNTP(), getUtime(), startSunrise(float d);
+
+void alarmCheck(){
+        rtc = time(NULL);
+        tp = localtime(&rtc);
+        led1=1;
+        if(!alarmFired){
+            printf("hr: %d  min:%d\r\n", tp->tm_hour, tp->tm_min);
+            int daystamp = tp->tm_hour * 3600 + tp->tm_min * 60;
+            int alarmstamp = alarmHour * 3600 + alarmMin * 60 - (alarmDur * 60);
+            pc.printf("%d - %d = %d", alarmstamp, daystamp, alarmstamp - daystamp);
+            if( (alarmstamp - daystamp) <= 0){
+                // time to start the wake up sequence
+                startSunrise((float)(alarmDur*60));
+                alarmFired = true;
+            }
+        } else{
+            if(tp->tm_hour == 0)
+                alarmFired = false;
+        }
+        wait(1);
+        led1=0;
+    
+}
+
+void flush(){
+ while(esp.readable()) {
+        char tmp = esp.getc();
+        data += tmp;
+        pc.putc(tmp);
+ }
+}
  void dev_recv()
 {
     led1 = !led1;
+    /*
     while(esp.readable()) {
-        pc.putc(esp.getc());
+        char tmp = esp.getc();
+        data += tmp;
+        pc.putc(tmp);
+    }
+    */
+    timeout=2;
+    getreply();
+    pc.printf("%s\n\n", buf);
+    char * location = strstr(buf, "GET /?");
+    if(location != NULL){
+        //pc.printf("%d\n", location - buf);
+        char * hour = strstr(buf, "h=");
+        char * min  = strstr(buf, "m=");
+        char * dur  = strstr(buf, "d=");
+        if(hour != NULL && min != NULL && dur != NULL){
+            strncpy(val, hour+2,2);
+            alarmHour = atoi(val) %24;
+            strncpy(val, min+2,2);
+            alarmMin = atoi(val) %60;
+            strncpy(val, dur+2,2);
+            alarmDur = atoi(val);
+            
+            pc.printf("New config: hrs %d min %d duration %d", alarmHour, alarmMin, alarmDur);
+            sendConfig();
+            
+        }
     }
 }
  
@@ -34,103 +109,94 @@
  
 int main()
 {
+
+    pb.mode(PullDown);
+    light.period(0.005); //200Hz to eliminate flicker
     reset=0; //hardware reset for 8266
-    pc.baud(9600);  // set what you want here depending on your terminal program speed
+    pc.baud(115200);  // set what you want here depending on your terminal program speed
     pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
     wait(0.5);
     reset=1;
-    timeout=2;
+    timeout=1;
     getreply();
- 
-    esp.baud(9600);   // change this to the new ESP8266 baudrate if it is changed at any time.
+    
+    // RESET wifi module and and connect to the wifi
+    ESPreset();
+    
+    // send the NTP function to wifi module
+    sendNTPFunction();
+    
+    
+
+    
+    while(tp->tm_year ==0){
+        updateNTP();
+        wait(3);
+        getUtime();
+        wait(1);
+    }
+    
+    led3=1;
+    
+    for(float i=0.0;i<1.0;i+=0.1){
+        light=i;
+        wait(0.5);
+    }
+    light = 0;
  
-    //ESPsetbaudrate();   //******************  include this routine to set a different ESP8266 baudrate  ******************
- 
-    ESPconfig();        //******************  include Config to set the ESP8266 configuration  ***********************
+    //ESPreset();
  
- 
- 
-    pc.attach(&pc_recv, Serial::RxIrq);
+    ESPhttp();
+        
+    //pc.attach(&pc_recv, Serial::RxIrq);
     esp.attach(&dev_recv, Serial::RxIrq);
     
-    // continuosly get AP list and IP
+    rtc = time(NULL);
+    pc.printf("%s\r\n", ctime(&rtc));
+    led1=0;led2=0;led3=0;led4=0;
+    tp = localtime(&rtc);
+    printf("hr: %d  min:%d\r\n", tp->tm_hour, tp->tm_min);
+    alarmChecker.attach(&alarmCheck, 60);
     while(1) {
         sleep();
     }
  
 }
+
+void startSunrise(float d){
+    for(float i=0.0; i < 1.0; i += (1.0/d)){
+        light = i;   
+        pc.printf("%f\n", i);
+        wait(1);
+    }
+    light = 1.0;
+    
+    wait(120);
+    light = 0;
+ 
+}
  
 // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
 void ESPsetbaudrate()
 {
-    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
+    strcpy(snd, "uart.setup(0, 9600, 8, 0, 1, 0)\r\n");   // change the numeric value to the required baudrate
     SendCMD();
+    timeout=2;
+    getreply();
+    pc.printf(buf);
 }
- 
-//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
-void ESPconfig()
-{
 
-    wait(5);
-    pc.printf("\f---------- Starting ESP Config ----------\r\n\n");
-        strcpy(snd,".\r\n.\r\n");
-    SendCMD();
-        wait(1);
+void ESPreset(){
     pc.printf("---------- Reset & get Firmware ----------\r\n");
     strcpy(snd,"node.restart()\r\n");
     SendCMD();
-    timeout=5;
-    getreply();
-    pc.printf(buf);
- 
-    wait(2);
- 
-    pc.printf("\n---------- Get Version ----------\r\n");
-    strcpy(snd,"print(node.info())\r\n");
-    SendCMD();
-    timeout=4;
-    getreply();
-    pc.printf(buf);
- 
-    wait(3);
- 
-    // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
-    pc.printf("\n---------- Setting Mode ----------\r\n");
-    strcpy(snd, "wifi.setmode(wifi.STATION)\r\n");
-    SendCMD();
-    timeout=4;
+    timeout=2;
     getreply();
     pc.printf(buf);
- 
-    wait(2);
- 
-   
- 
-    pc.printf("\n---------- Listing Access Points ----------\r\n");
-    strcpy(snd, "function listap(t)\r\n");
-        SendCMD();
-        wait(1);
-        strcpy(snd, "for k,v in pairs(t) do\r\n");
-        SendCMD();
-        wait(1);
-        strcpy(snd, "print(k..\" : \"..v)\r\n");
-        SendCMD();
-        wait(1);
-        strcpy(snd, "end\r\n");
-        SendCMD();
-        wait(1);
-        strcpy(snd, "end\r\n");
-        SendCMD();
-        wait(1);
-        strcpy(snd, "wifi.sta.getap(listap)\r\n");
-    SendCMD();
-    wait(1);
-        timeout=15;
-    getreply();
-    pc.printf(buf);
- 
-    wait(2);
- 
+    
+    ESPsetbaudrate();
+    
+    
     pc.printf("\n---------- Connecting to AP ----------\r\n");
     pc.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
     strcpy(snd, "wifi.sta.config(\"");
@@ -139,7 +205,7 @@
     strcat(snd, pwd);
     strcat(snd, "\")\r\n");
     SendCMD();
-    timeout=10;
+    timeout=3;
     getreply();
     pc.printf(buf);
  
@@ -148,7 +214,7 @@
     pc.printf("\n---------- Get IP's ----------\r\n");
     strcpy(snd, "print(wifi.sta.getip())\r\n");
     SendCMD();
-    timeout=3;
+    timeout=2;
     getreply();
     pc.printf(buf);
  
@@ -156,19 +222,24 @@
  
     pc.printf("\n---------- Get Connection Status ----------\r\n");
     strcpy(snd, "print(wifi.sta.status())\r\n");
+    pc.printf("%s", snd);
     SendCMD();
-    timeout=5;
+    timeout=2;
     getreply();
     pc.printf(buf);
+    
+    
+}
  
-    pc.printf("\n\n\n  If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
-    pc.printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
-    pc.printf("  It saves the SSID and password settings internally\r\n");
-    wait(10);
-        
-        
+//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
+void ESPhttp()
+{
+     
           pc.printf("\n---------- Setting up http server ----------\r\n");
-    strcpy(snd, "srv=net.createServer(net.TCP)\r\n");
+          
+          sendConfig();
+          
+        strcpy(snd, "srv=net.createServer(net.TCP)\r\n");
         SendCMD();
         wait(1);
         strcpy(snd, "srv:listen(80,function(conn)\r\n");
@@ -177,10 +248,12 @@
         strcpy(snd, "conn:on(\"receive\",function(conn,payload)\r\n");
         SendCMD();
         wait(1);
+ 
         strcpy(snd, "print(payload)\r\n");
         SendCMD();
         wait(1);
         
+        
         strcpy(snd, "conn:send(\"<!DOCTYPE html>\")\r\n");
         SendCMD();
       wait(1);
@@ -189,11 +262,31 @@
         SendCMD();
       wait(1);
         
-        strcpy(snd, "conn:send(\"<h1> Hi James, NodeMcu.</h1>\")\r\n");
-      SendCMD();
+        strcpy(snd, "conn:send(\"<h1>Configure Sunrise Alarm</h1><br><br><form method='get'>Wake up at: <input name=h value='\")\r\n");
+        SendCMD();
+        wait(1);
+        
+        strcpy(snd, "conn:send(hour)\r\n");
+        SendCMD();
+        wait(1);
+        
+        strcpy(snd, "conn:send(\"'> Hours and <input name=m value='\")\r\n");
+        SendCMD();
         wait(1);
         
-        strcpy(snd, "conn:send(\"<h2> test</h2>\")\r\n");
+        strcpy(snd, "conn:send(min)\r\n");
+        SendCMD();
+        wait(1);
+        
+        strcpy(snd, "conn:send(\"'> minutes <br> <br> Start sunrise <input name=d value='\")\r\n");
+        SendCMD();
+        wait(1);
+        
+        strcpy(snd, "conn:send(dur)\r\n");
+        SendCMD();
+        wait(1);
+        
+        strcpy(snd, "conn:send(\"'> minutes before <input type=submit value='submit'></form>\")\r\n");
         SendCMD();
         wait(1);
         
@@ -210,15 +303,15 @@
     wait(1);
         strcpy(snd, "end)\r\n");
     SendCMD();
-    wait(1);
-        timeout=17;
-    getreply();
-    pc.printf(buf);
-        pc.printf("\r\nDONE");
+    
+    flush();
+
+    pc.printf("\r\nDONE\r\n");
 }
  
 void SendCMD()
 {
+    pc.printf("%s", snd);
     esp.printf("%s", snd);
 }
  
@@ -241,4 +334,128 @@
     }
 }
  
-    
\ No newline at end of file
+void sendConfig()
+{
+    stringstream strs;
+    stringstream strs1;
+    stringstream strs2;
+    
+    strcpy(snd, "hour=");
+    SendCMD();
+    strs << alarmHour;
+    string temp_str = strs.str();
+    char const* pchar = temp_str.c_str();
+    strcpy(snd, pchar);
+    SendCMD();
+    strcpy(snd, "\r\n");
+    SendCMD();
+    wait(1);
+    
+    
+    strcpy(snd, "min=");
+    SendCMD();
+    strs1 << alarmMin;
+    temp_str = strs1.str();
+    pchar = temp_str.c_str();
+    strcpy(snd, pchar);
+    SendCMD();
+    strcpy(snd, "\r\n");
+    SendCMD();
+    wait(1);
+    
+    
+    
+    strcpy(snd, "dur=");
+    SendCMD();
+    strs2 << alarmDur;
+    temp_str = strs2.str();
+    pchar = temp_str.c_str();
+    strcpy(snd, pchar);
+    SendCMD();
+    strcpy(snd, "\r\n");
+    SendCMD();
+    wait(1);
+}
+
+void sendNTPFunction()
+{
+    wait(15);
+    strcpy(snd, "timezone = -4\r\n");
+        SendCMD();
+        wait(2);
+    strcpy(snd, "request=string.char(227,0,6,236,0,0,0,0,0,0,0,0,49,78,49,52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)\r\n");
+        SendCMD();
+        wait(4);
+    
+    strcpy(snd, "time = 0\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "sk=net.createConnection(net.UDP, 0)\r\n");
+        SendCMD();
+        wait(1);
+  
+    strcpy(snd, "sk:on(\"receive\", function(sck, payload)\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "print(\"YAY!\")\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "local highw,loww,ntpstamp\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "highw = payload:byte(41) * 256 + payload:byte(42)\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "loww = payload:byte(43) * 256 + payload:byte(44)\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "ntpstamp=( highw * 65536 + loww ) + ( timezone* 3600)\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "time = ntpstamp - 1104494400 - 1104494400\r\n");
+        SendCMD();
+        wait(1);
+    strcpy(snd, "print(time)\r\n");
+        SendCMD();
+        wait(1);
+ 
+    strcpy(snd, "sck:close()\r\n");
+        SendCMD();
+        wait(1);
+ 
+    strcpy(snd, "end )\r\n");
+        SendCMD();
+        wait(1);
+ 
+    flush();       
+    wait(15);
+    //updateNTP();  
+}
+void updateNTP(){
+    flush();
+    strcpy(snd, "sk:connect(123,\"104.232.3.3\")\r\n");
+        SendCMD();
+        wait(3);
+    strcpy(snd, "sk:send(request)\r\n");
+        SendCMD();
+        wait(4);
+    timeout=3;
+    getreply();
+    pc.printf(buf);
+    //getUtime();
+}
+
+void getUtime(){
+    flush();
+    strcpy(snd, "print(time)\r\n");
+        SendCMD();
+        wait(1);
+    timeout=5;
+    getreply();
+    pc.printf(buf);
+    int utime = atoi(buf);
+    if(utime != NULL)
+        set_time(utime);
+    time_t seconds = time(NULL);
+    pc.printf("Time as a basic string = %s", ctime(&seconds));
+}
\ No newline at end of file