main.cpp

00001 #include "mbed.h"
00002 #include "EthernetInterface.h"
00003 #include "NTPClient.h"
00004 #include "TextLCD.h"
00005 #include "Websocket.h"
00006 #include "Counter.h"
00007 #include "SDFileSystem.h"
00008 #include "uplink.h"
00009 
00010 TextLCD lcd(p20, p19, p18, p17, p16, p15,TextLCD::LCD20x4); // rs, e, d4-d7
00011 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
00012 
00013 NTPClient ntp;
00014 int offset_DK = 7200;
00015 Counter T1(p22);
00016 AnalogIn tempsensor(p16);
00017 
00018 
00019 float ReadTempetur(void)
00020 {
00021     float tempreading=(tempsensor.read()*3.3-0.25)/0.028;
00022     return  tempreading;
00023 }
00024 
00025 float TankContens()
00026 {
00027 //beregner hvor meget der er tilbage
00028     return 1000-T1.Flow();
00029 }
00030 
00031 void InitLog(void) {
00032     FILE *fp; //Logfile
00033     fp = fopen("/sd/taptraq/Tank.log", "r");
00034     if (fp == NULL)  //For at være sikker på at der er en fil og skrive i
00035       fp = fopen("/sd/taptraq/Tank.log", "w");
00036     fclose(fp);
00037 }
00038 
00039 void LogToSd(void)
00040 {
00041     FILE *fp; //Logfile
00042     time_t seconds = time(NULL);
00043     char timestr[32];
00044     seconds = time(NULL);
00045     strftime(timestr, 32, "%Y/%m/%d-%H:%M:%S", localtime(&seconds));
00046     fp = fopen("/sd/taptraq/Tank.log", "a");
00047     fprintf(fp,"%s,%.4f,%.1f\r\n",
00048             timestr,T1.Flow(),ReadTempetur());
00049     fclose(fp);
00050 }
00051 
00052 int main()
00053 {
00054     time_t seconds = time(NULL);
00055     char timestr[32];
00056     lcd.printf("Establishing...\n");
00057     lcd.printf("Network Connection\n");
00058     EthernetInterface eth;
00059     eth.init(); //Use DHCP
00060     if (eth.connect()<0) NVIC_SystemReset();
00061     lcd.cls();
00062     lcd.printf("Located IP ADR....\n");
00063     lcd.printf("IP: - %s\n", eth.getIPAddress());
00064     printf("IP: %s\n", eth.getIPAddress());
00065     Websocket ws("ws://sockets.mbed.org/ws/gert_lauritsen/rw");
00066     wait(3);
00067     lcd.cls();
00068     lcd.printf("Reconnecting...\n");
00069     lcd.printf("TapTraQ Uplink\n");
00070     while (!ws.connect());
00071     lcd.cls();
00072     lcd.printf("Faild Connect...\n");
00073     lcd.printf("TapTraQ Uplink\n");
00074     wait(5);
00075     TapTraqUplink Uplink(&ws);
00076     /* Set up NTP */
00077    // printf("Setting up NTP \n\r");
00078     //ntp.setTime("0.dk.pool.ntp.org",123);
00079     //ntp.setTime("ntp1.jst.mfeed.ad.jp",123);
00080     lcd.cls();
00081     strftime(timestr, 32, "%H:%M", localtime(&seconds));
00082     lcd.printf("%s \n",timestr);
00083     wait(1);
00084     InitLog();
00085     while (1) { //Vis temperatur og mængde i tank
00086         lcd.cls();
00087         seconds = time(NULL)+offset_DK;
00088         strftime(timestr, 32, "%H:%M", localtime(&seconds));
00089         lcd.printf("TapTraQ Count System");
00090         lcd.printf("KOLKKEN - %s\n",timestr);
00091         lcd.printf("TEMP %.2f C\n",ReadTempetur());
00092         lcd.printf("TANK %.1f - %.1f L \n",TankContens(),T1.Flow());
00093         Uplink.FlowFrame("1000",1,T1.Count,0,0,0,0,0,0);
00094         LogToSd();
00095         wait(10);
00096     }
00097 }