main.cpp

00001 #include "mbed.h"
00002 #include "ESP8266.h"
00003 
00004 Serial pc(USBTX,USBRX);
00005 ESP8266 esp(D10,D2,0);    // tx, rx, debug (STM32F401RE)
00006 DigitalOut led(LED1);
00007 
00008 char ssid[32] = "ssid";   // enter your router ssid inside the quotes
00009 char pwd [32] = "pwd"; // enter your router password inside the quotes
00010 int Seconds;
00011 char timebuf[60];
00012 struct tm t; 
00013 
00014 Timer t1;
00015 
00016 int main() {
00017 
00018     pc.baud(460800); //set a fast terminal (9600 Mbed default)
00019     
00020     pc.printf("\033[0m\033[2J\033[H\n        ----- NTP Client to set RTC -----\r\n\n\n");
00021     pc.printf("----- NTP can take up to 30 Seconds to aquire -----\r\n\n\n");    
00022     pc.printf("Initialise!\r\n\n");    
00023     pc.printf("ESP8266 Firmware:\r\n%s\r\n\n", esp.getFirmware());   
00024     time_t seconds = time(NULL);
00025     strftime(timebuf,100,"Initial RTC Time= %H:%M:%S Date= %a %d %b %Y", localtime(&seconds)); 
00026     pc.printf("\r\n%s\r\n\n\n",timebuf);    
00027     pc.printf("Checking if AUTOCONNECT with last settings\r\n\n");    
00028     wait(2);   // allow time for ESP to autoconnect 
00029     esp.startup(3);
00030     
00031     while(1){ 
00032   
00033         if(!esp.isConnected()){
00034             printf("AUTOCONNECT failed\r\n\n");
00035             printf("Connecting to AP ssid: %s, pwd: %s\r\n",ssid,pwd);
00036             esp.connect(ssid, pwd);         
00037         }
00038         pc.printf("Connected\r\n\n");
00039         pc.printf("Wi-Fi IP  -  %s\r\n", esp._STAIP_buffer);
00040         pc.printf("Wi-Fi RSSI: %d\r\n\n", esp.getRSSI());        
00041         pc.printf("Get NTP time...\r\n\n\n");
00042         t1.reset();t1.start();
00043         Seconds = esp.getNTP("1.nl.pool.ntp.org",3600,1);           
00044         t1.stop();
00045         if (Seconds>0){
00046             pc.printf("\033[1;36m   Seconds since 1970: %d\r\n\n", Seconds);
00047             pc.printf("\033[0m  NTP response... %f Seconds\r\n\n\n",t1.read());
00048         }
00049             else {pc.printf("\033[1;36m   Error\r\n\n");} 
00050         
00051         pc.printf("    Time:        Date:\r\n");
00052         pc.printf("\033[1;32m\r\n");
00053         for (unsigned i = 0; i < 10; i++) {        
00054             time_t t = time(NULL);        
00055             strftime(timebuf,100,"    %H:%M:%S     %a %d %b %Y", localtime(&t));         
00056             pc.printf("\033[2K\033[1A%s\r\n",timebuf);               
00057             while(t==time(NULL)){led=!led;wait(.1);} 
00058         }
00059         pc.printf("\033[0m\033[2J\033[H\n\nRestart every 10 seconds\r\n\n");
00060     } 
00061 }