Fontana Romain / Mbed 2 deprecated DHT11

Programme d'une sonde de température DHT 11 associée à de la sauvegarde de données sur clé USB et à l'affichage de ces données sur afficheur LCD

Dependencies:   FatFileSystemCpp mbed

main.cpp@0:ed0b4e66d2ad, 2015-06-02 (annotated)

Committer:
Fanta025
Date:
Tue Jun 02 14:19:54 2015 +0000
Revision:
0:ed0b4e66d2ad
Programme d'une sonde de temp?rature DHT 11 associ?e ? de la sauvegarde de donn?es sur USB et un affichage sur ?cran LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Fanta025 0:ed0b4e66d2ad 1 #include "mbed.h"
Fanta025 0:ed0b4e66d2ad 2 #include "MSCFileSystem.h"
Fanta025 0:ed0b4e66d2ad 3 #include "DHT.h"
Fanta025 0:ed0b4e66d2ad 4 #include "TextLCD.h"
Fanta025 0:ed0b4e66d2ad 5 Ticker timer_5s;
Fanta025 0:ed0b4e66d2ad 6 MSCFileSystem msc("usb"); // Mount flash drive under the name "msc"
Fanta025 0:ed0b4e66d2ad 7 Serial pc(USBTX,USBRX);
Fanta025 0:ed0b4e66d2ad 8 DigitalOut led(LED1);
Fanta025 0:ed0b4e66d2ad 9 DigitalOut rw(p13);
Fanta025 0:ed0b4e66d2ad 10 DHT sensor(p10, DHT11);
Fanta025 0:ed0b4e66d2ad 11 TextLCD lcd(p12, p14, p15, p16, p17, p18, TextLCD::LCD16x2);
Fanta025 0:ed0b4e66d2ad 12
Fanta025 0:ed0b4e66d2ad 13
Fanta025 0:ed0b4e66d2ad 14 void attime()
Fanta025 0:ed0b4e66d2ad 15 {
Fanta025 0:ed0b4e66d2ad 16 led = !led;
Fanta025 0:ed0b4e66d2ad 17 }
Fanta025 0:ed0b4e66d2ad 18
Fanta025 0:ed0b4e66d2ad 19 int main()
Fanta025 0:ed0b4e66d2ad 20
Fanta025 0:ed0b4e66d2ad 21 {
Fanta025 0:ed0b4e66d2ad 22 rw=0;
Fanta025 0:ed0b4e66d2ad 23 led =0;
Fanta025 0:ed0b4e66d2ad 24 unsigned char data[120*160]; // Test array of data
Fanta025 0:ed0b4e66d2ad 25 timer_5s.attach(&attime, 10);
Fanta025 0:ed0b4e66d2ad 26 int error = 0;
Fanta025 0:ed0b4e66d2ad 27 //float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
Fanta025 0:ed0b4e66d2ad 28 float h = 0.0f, c = 0.0f;
Fanta025 0:ed0b4e66d2ad 29
Fanta025 0:ed0b4e66d2ad 30 while(1) {
Fanta025 0:ed0b4e66d2ad 31 wait(2.0f);
Fanta025 0:ed0b4e66d2ad 32 error = sensor.readData();
Fanta025 0:ed0b4e66d2ad 33 if (0 == error) {
Fanta025 0:ed0b4e66d2ad 34 c = sensor.ReadTemperature(CELCIUS);
Fanta025 0:ed0b4e66d2ad 35 h = sensor.ReadHumidity();
Fanta025 0:ed0b4e66d2ad 36 lcd.locate(0,0);
Fanta025 0:ed0b4e66d2ad 37 lcd.printf("Temp : %4.2f\n", c);
Fanta025 0:ed0b4e66d2ad 38 lcd.locate(0,1);
Fanta025 0:ed0b4e66d2ad 39 lcd.printf("Humid : %4.2f\n", h);
Fanta025 0:ed0b4e66d2ad 40 // lcd.printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
Fanta025 0:ed0b4e66d2ad 41 } else {
Fanta025 0:ed0b4e66d2ad 42 lcd.printf("Error: %d\n", error);
Fanta025 0:ed0b4e66d2ad 43 }
Fanta025 0:ed0b4e66d2ad 44 if (led==1) {
Fanta025 0:ed0b4e66d2ad 45 wait(0.2);
Fanta025 0:ed0b4e66d2ad 46 // Fill the data with values
Fanta025 0:ed0b4e66d2ad 47 for (int i=0; i<120*160; i++) {
Fanta025 0:ed0b4e66d2ad 48 data[i] = 0xAA; // Fill array with data
Fanta025 0:ed0b4e66d2ad 49 }
Fanta025 0:ed0b4e66d2ad 50
Fanta025 0:ed0b4e66d2ad 51 // Create timers
Fanta025 0:ed0b4e66d2ad 52 // Timer Write_time, Read_time;
Fanta025 0:ed0b4e66d2ad 53 // Write_time.start();
Fanta025 0:ed0b4e66d2ad 54
Fanta025 0:ed0b4e66d2ad 55 // Write to local file
Fanta025 0:ed0b4e66d2ad 56 FILE *fp = fopen( "/usb/Mesures.txt", "a");
Fanta025 0:ed0b4e66d2ad 57
Fanta025 0:ed0b4e66d2ad 58 for (int i=0; i<1; i++) {
Fanta025 0:ed0b4e66d2ad 59 //fprintf(fp, "%c",data[i]);
Fanta025 0:ed0b4e66d2ad 60
Fanta025 0:ed0b4e66d2ad 61 fprintf(fp, "Temp : %4.2f\n - ",c,data[0]);
Fanta025 0:ed0b4e66d2ad 62 fprintf(fp, "Humid : %4.2f\n\r\n", h,data[0]);
Fanta025 0:ed0b4e66d2ad 63 }
Fanta025 0:ed0b4e66d2ad 64
Fanta025 0:ed0b4e66d2ad 65 fclose(fp);
Fanta025 0:ed0b4e66d2ad 66 led=0;
Fanta025 0:ed0b4e66d2ad 67 }
Fanta025 0:ed0b4e66d2ad 68
Fanta025 0:ed0b4e66d2ad 69 }
Fanta025 0:ed0b4e66d2ad 70 // Write_time.stop();
Fanta025 0:ed0b4e66d2ad 71 // pc.printf("\n\rTime taken so write array = %f seconds",Write_time.read());
Fanta025 0:ed0b4e66d2ad 72
Fanta025 0:ed0b4e66d2ad 73
Fanta025 0:ed0b4e66d2ad 74 }