main.cpp

00001 #include "mbed.h"
00002 #include <ttmath.h>
00003 #include "PinDetect.h"
00004 #include "uLCD_4DGL.h"
00005 
00006 Serial pc(USBTX, USBRX);
00007 Serial esp(p28, p27); // tx, rx
00008 DigitalOut reset(p26);
00009 DigitalOut led1(LED1);
00010 DigitalOut led4(LED4);
00011 Timer t;
00012 
00013 uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
00014  
00015 PinDetect pb1(p17);
00016 PinDetect pb2(p18);
00017 PinDetect pb3(p19);
00018 PinDetect pb4(p20);
00019 
00020 // Global count variable
00021 
00022 int volatile hours=12;
00023 int volatile minutes=0;
00024 bool volatile alarmSet=false;
00025 int volatile alarmTimeSet = 0;
00026 int volatile timeDisp=0; //real time
00027 bool volatile AMPM=false; //False AM, true PM
00028 
00029  
00030 int  count,ended,timeout;
00031 char buf[2024];
00032 char snd[1024];
00033 char ssid[32] = "MEwifi";     // enter WiFi router ssid inside the quotes
00034 char pwd [32] = "fxyh5453"; // enter WiFi router password inside the quotes
00035 bool timeReady = false;
00036 
00037 char curTime[20];
00038 
00039 void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(), getTime();
00040 int timeFromResponse();
00041  void dev_recv()
00042 {
00043     led1 = !led1;
00044     while(esp.readable()) {
00045         pc.putc(esp.getc());
00046     }
00047 }
00048  
00049 void pc_recv()
00050 {
00051     led4 = !led4;
00052     while(pc.readable()) {
00053         esp.putc(pc.getc());
00054     }
00055 }
00056  
00057  void pb1_hit_callback (void) {
00058     count++;
00059     hours++;
00060     if(hours>12){ hours= 1; AMPM=!AMPM;}
00061    
00062     
00063     //uLCD.cls();
00064     //if(AMPM)
00065     //uLCD.printf("\nAlarm Time %d : %d PM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00066     //else
00067     //uLCD.printf("\nAlarm Time %d : %d AM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00068 }
00069 
00070 void pb2_hit_callback (void) {
00071     count++;
00072     minutes++;
00073     if(minutes>59) minutes= 0;
00074     //uLCD.cls();
00075     //if(AMPM)
00076     //uLCD.printf("\nAlarm Time %d : %d PM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00077     //else
00078     //uLCD.printf("\nAlarm Time %d : %d AM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00079 }
00080 
00081 void pb3_hit_callback (void) {
00082     alarmSet=true;
00083     alarmTimeSet=60*60*hours+60*minutes;
00084     if(AMPM) alarmTimeSet += 60*60*12;
00085     //uLCD.cls();
00086     //uLCD.printf("\nAlarm Time %d : %d\nTime %d\nAlarm Turned On",hours, minutes, secondsTime);
00087 }
00088 
00089 void pb4_hit_callback (void) {
00090     alarmSet=false;
00091     //uLCD.cls();
00092     //uLCD.printf("\nAlarm Time %d : %d\nTime %d\nAlarm Turned Off",hours, minutes, secondsTime);
00093 }
00094  
00095 int main()
00096 {
00097     pb1.mode(PullUp);
00098     pb2.mode(PullUp);
00099     pb3.mode(PullUp);
00100     pb4.mode(PullUp);
00101    
00102     wait(.001);
00103     // Setup Interrupt callback function for a pb hit
00104     pb1.attach_deasserted(&pb1_hit_callback);
00105     pb2.attach_deasserted(&pb2_hit_callback);
00106     pb3.attach_deasserted(&pb3_hit_callback);
00107     pb4.attach_deasserted(&pb4_hit_callback);
00108     
00109     pb1.setSampleFrequency();
00110     pb2.setSampleFrequency();
00111     pb3.setSampleFrequency();
00112     pb4.setSampleFrequency();
00113     
00114     reset=0; //hardware reset for 8266
00115     pc.baud(9600);  // set what you want here depending on your terminal program speed
00116     pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
00117     wait(0.5);
00118     reset=1;
00119     timeout=2;
00120     getreply();
00121  
00122     esp.baud(9600);   // change this to the new ESP8266 baudrate if it is changed at any time.
00123  
00124     //ESPsetbaudrate();   //******************  include this routine to set a different ESP8266 baudrate  ******************
00125  
00126     ESPconfig();        //******************  include Config to set the ESP8266 configuration  ***********************
00127     getTime();
00128     pc.printf("%s", buf);
00129     
00130     timeDisp = timeFromResponse();
00131     set_time(timeDisp);
00132     
00133     pc.printf("%d", timeDisp);
00134     timeDisp = timeDisp%86400;
00135         while (1) {
00136     time_t secondsTime = time(NULL)%86400;
00137     uLCD.cls();
00138     if(AMPM)
00139     uLCD.printf("\nAlarm Time %d : %d PM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00140     else
00141     uLCD.printf("\nAlarm Time %d : %d AM\nTime %d\nAlarm Time %d",hours, minutes, secondsTime, alarmTimeSet);
00142         //timeDisp++;
00143         if(alarmSet&&int(alarmTimeSet/60)==int(secondsTime/60)){
00144             uLCD.cls();
00145             uLCD.printf("ALARM");
00146             }
00147         
00148         wait(.5);
00149     }
00150  
00151 }
00152 
00153 // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
00154 void ESPsetbaudrate()
00155 {
00156     strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
00157     SendCMD();
00158 }
00159  
00160 //  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
00161 void ESPconfig()
00162 {
00163 
00164     wait(5);
00165     pc.printf("\f---------- Starting ESP Config ----------\r\n\n");
00166         strcpy(snd,".\r\n.\r\n");
00167     SendCMD();
00168         wait(1);
00169     pc.printf("---------- Reset & get Firmware ----------\r\n");
00170     strcpy(snd,"node.restart()\r\n");
00171     SendCMD();
00172     timeout=5;
00173     getreply();
00174     pc.printf(buf);
00175  
00176     
00177     // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
00178     pc.printf("\n---------- Setting Mode ----------\r\n");
00179     strcpy(snd, "wifi.setmode(wifi.STATION)\r\n");
00180     SendCMD();
00181     timeout=4;
00182     getreply();
00183     pc.printf(buf);
00184  
00185     wait(1);
00186 
00187     strcpy(snd, "wifi.sta.config(\"");
00188     strcat(snd, ssid);
00189     strcat(snd, "\",\"");
00190     strcat(snd, pwd);
00191     strcat(snd, "\")\r\n");
00192     SendCMD();
00193     timeout=10;
00194     getreply();
00195     pc.printf(buf);
00196  
00197     wait(1);
00198  
00199     pc.printf("\n---------- Get IP's ----------\r\n");
00200     strcpy(snd, "print(wifi.sta.getip())\r\n");
00201     SendCMD();
00202     timeout=3;
00203     getreply();
00204     pc.printf(buf);
00205  
00206     wait(1);
00207  
00208     pc.printf("\n---------- Get Connection Status ----------\r\n");
00209     strcpy(snd, "print(wifi.sta.status())\r\n");
00210     SendCMD();
00211     timeout=5;
00212     getreply();
00213     
00214 }
00215 void getTime() {
00216     wait(1);
00217     strcpy(snd,"sk=net.createConnection(net.TCP, 0)\r\n");
00218     SendCMD();
00219     timeout=3;
00220     getreply();
00221     
00222     strcpy(snd,"sk:on(\"receive\", function(sck, c) print(c) end )\r\n");
00223     SendCMD();
00224     timeout=3;
00225     getreply();
00226     
00227     strcpy(snd,"sk:connect(80,\"api.timezonedb.com\")\r\n");
00228     SendCMD();
00229     timeout=3;
00230     getreply();
00231     wait(1);
00232     
00233     strcpy(snd, "sk:send(\"GET /v2/get-time-zone?key=ONL9KGITMG1G&format=json&by=zone&zone=America/New_York HTTP/1.1\\r\\nHost: api.timezonedb.com\\r\\nConnection: keep-alive\\r\\nAccept: */*\\r\\n\\r\\n\")\r\n");
00234     SendCMD();
00235     timeout=17;
00236     getreply();
00237     
00238     timeReady = true;
00239     
00240 }
00241 void SendCMD()
00242 {
00243     esp.printf("%s", snd);
00244 }
00245  
00246 void getreply()
00247 {
00248     memset(buf, '\0', sizeof(buf));
00249     t.start();
00250     ended=0;
00251     count=0;
00252     while(!ended) {
00253         if(esp.readable()) {
00254             buf[count] = esp.getc();
00255             count++;
00256         }
00257         if(t.read() > timeout) {
00258             ended = 1;
00259             t.stop();
00260             t.reset();
00261         }
00262     }
00263 }
00264 
00265 int timeFromResponse() {
00266     char * timestamp;
00267     timestamp = strstr(buf, "\"timestamp\":");
00268     
00269     timestamp = timestamp + 12;
00270     int count = 0;
00271     
00272     while(timestamp[count] != ',') {
00273         count++;
00274     }
00275     
00276     strncpy(curTime, timestamp, count);
00277     return atoi(curTime);
00278 }