main.cpp

00001 #include "mbed.h"
00002 #include "MSCFileSystem.h"
00003 #include "DHT.h"
00004 #include "TextLCD.h"
00005 Ticker timer_5s;
00006 MSCFileSystem msc("usb"); // Mount flash drive under the name "msc"
00007 Serial pc(USBTX,USBRX);
00008 DigitalOut led(LED1);
00009 DigitalOut rw(p13);
00010 DHT sensor(p10, DHT11);
00011 TextLCD lcd(p12, p14, p15, p16, p17, p18, TextLCD::LCD16x2);
00012 
00013 
00014 void attime()
00015 {
00016     led = !led;
00017 }
00018 
00019 int main()
00020 
00021 {
00022     rw=0;
00023     led =0;
00024     unsigned char data[120*160];                // Test array of data
00025     timer_5s.attach(&attime, 10);
00026     int error = 0;
00027     //float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
00028     float h = 0.0f, c = 0.0f;
00029 
00030     while(1) {
00031         wait(2.0f);
00032         error = sensor.readData();
00033         if (0 == error) {
00034             c   = sensor.ReadTemperature(CELCIUS);
00035             h   = sensor.ReadHumidity();
00036             lcd.locate(0,0);
00037             lcd.printf("Temp : %4.2f\n", c);
00038             lcd.locate(0,1);
00039             lcd.printf("Humid : %4.2f\n", h);
00040            // lcd.printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
00041         } else {
00042             lcd.printf("Error: %d\n", error);
00043         }
00044         if (led==1) {
00045             wait(0.2);
00046             // Fill the data with values
00047             for (int i=0; i<120*160; i++) {
00048                 data[i] = 0xAA;                          // Fill array with data
00049             }
00050 
00051             // Create timers
00052             // Timer Write_time, Read_time;
00053             // Write_time.start();
00054 
00055             // Write to local file
00056             FILE *fp = fopen( "/usb/Mesures.txt", "a");
00057 
00058             for (int i=0; i<1; i++) {
00059                 //fprintf(fp, "%c",data[i]);
00060 
00061                 fprintf(fp, "Temp : %4.2f\n - ",c,data[0]);
00062                 fprintf(fp, "Humid : %4.2f\n\r\n", h,data[0]);
00063             }
00064 
00065             fclose(fp);
00066             led=0;
00067         }
00068 
00069     }
00070     //  Write_time.stop();
00071     //  pc.printf("\n\rTime taken so write array = %f seconds",Write_time.read());
00072 
00073 
00074 }