ahmed ahmed
dd
Diff: main.cpp
- Revision:
- 0:d32c1bd327b1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Apr 08 08:35:32 2015 +0000
@@ -0,0 +1,194 @@
+#include "mbed.h"
+#include "MSCFileSystem.h"
+#include "C12832.h"
+
+MSCFileSystem fs("usb");
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led4(LED4);
+
+DigitalIn bouton(p14); // pour pouvoir controler la fin de l'enregistrement
+C12832 lcd(p5, p7, p6, p8, p11);
+I2C i2c(p28, p27);//
+
+Timer timer1; // un Timer pour mesurer le temps
+
+unsigned int addr = 0xEA;// I2C ADRESS from datashee
+
+char data[2];
+unsigned int vbrut, offset_v;
+float vitesse;
+unsigned long tk1,tk2; // des variables pour stocker les temps de mesure
+int main()
+{
+
+
+
+ i2c.frequency (100000) ;//void frequency(int hz);
+
+ lcd.cls();// effacer LCD
+
+
+
+ data[0] = 0x01; // Send "read data" command to sensor
+ i2c.write(addr, data, 1); // Send command string
+ wait_us(400);//attendre 100µS avant de relancer
+ i2c.read(addr, data, 2);
+ offset_v=(0xff00 & ( ((unsigned)data[1]) << 8)) + ((unsigned char)data[0]&0xff);
+
+ led1=0;
+ led2=0;
+
+ FILE *FDat = fopen("/usb/FileTtest1", "w");//ajouter un nouveau fichier et écraser l'ancien
+ led1=1;
+ if(FDat==NULL) {
+ led4=1;
+ // while(1);
+ }
+ tk1=0;
+ while(bouton==0) {
+ timer1.reset();
+ timer1.start();
+
+ data[0] = 0x01; // Send "register number" command to sensor
+ i2c.write(addr, data, 1); // Send command string
+ wait_us(400);//attendre 400µS avant de relancer
+ i2c.read(addr, data, 2);
+
+
+ vbrut = (0xff00 & ( ((unsigned)data[1]) << 8)) + ((unsigned char)data[0]&0xff);
+ vitesse = sqrt((float)(vbrut-offset_v)*2*3.6/1.225);
+
+ data[0] = 0x01; // Send "register number" command to sensor
+ wait_us(400);
+ i2c.write(addr, data, 1); // Send command string
+ wait_us(400);//attendre 100µS avant de relancer
+ i2c.read(addr, data, 2);
+
+ tk1=timer1.read_us();
+
+ fprintf(FDat,"%lu %lu %f %u\r\n",tk1,tk2,vitesse,vbrut);
+
+ tk2=timer1.read_us(); // je mesure le temps d'écriture de la fonction fprintf
+ led2=!led2;
+ wait(0.1);
+ //------------------------affichage de l information de V4
+ lcd.locate(1,15);
+ lcd. printf("sp = %f", vitesse);
+ wait(0.4);
+ }
+ fclose(FDat);
+ led1=0;
+ led2=0;
+}
+
+/*les résultats de test de programme sont :
+
+2330 2381 6.857143 1511 ******************************************************
+2329 2381 7.273098 1512
+2330 2381 8.040712 1514
+2330 4597 6.414270 1510 avant d'allumer les extracteur
+2329 2381 7.273098 1512
+2329 2381 8.398251 1515
+2330 2381 5.938460 1509
+2330 2382 6.857143 1511 *************************************************
+2330 2382 11.876920 1527
+2329 2383 10.842094 1523
+2330 2382 9.697464 1519
+2330 2382 9.995917 1520
+2329 2381 8.398251 1515
+2329 2380 11.371285 1525
+2331 2382 12.828540 1531
+2333 2384 11.371285 1525
+2329 2386 9.071147 1517 demmarage de l'extracteur , mais j'ai ete pas stable
+2329 2381 13.278800 1533
+2329 2382 15.333037 1543
+2329 2382 12.361890 1529
+2330 2382 13.498300 1534
+2329 5145 11.876920 1527
+2330 2382 10.842094 1523
+2329 2383 8.040712 1514
+2329 2381 12.597376 1530
+2329 2382 12.121831 1528
+2331 2382 13.926923 1536
+2330 2383 14.746843 1540
+2329 2383 11.876920 1527
+2329 2382 13.926923 1536
+2329 2382 15.711688 1545
+2330 2382 11.109841 1524
+2330 2383 13.926923 1536
+2331 2383 11.626851 1526
+2330 2383 12.121831 1528
+2330 2383 13.278800 1533
+2329 2383 10.285714 1521
+2329 2382 12.121831 1528
+2329 2382 10.285714 1521
+2330 4646 12.597376 1530
+2330 2383 12.828540 1531
+2330 2383 13.714286 1535
+2330 2383 10.567567 1522
+2329 2383 14.546197 1539
+2329 2382 11.626851 1526
+2329 2382 14.342743 1538
+2330 2382 14.342743 1538
+2329 2383 14.944797 1541
+2329 2382 13.714286 1535
+2330 2382 13.055611 1532
+2331 2383 11.876920 1527
+2330 2384 11.876920 1527
+2329 2383 12.828540 1531
+2329 2382 12.828540 1531
+2329 2382 9.697464 1519
+2330 2381 9.389529 1518
+2329 4793 7.666519 1513
+2331 2381 5.938460 1509
+2329 2382 4.848732 1507
+2329 2381 10.285714 1521
+2330 2382 9.071147 1517
+2330 2381 11.371285 1525
+2329 2383 9.389529 1518
+2329 2381 10.285714 1521
+2329 2382 11.626851 1526
+2329 2382 14.136362 1537
+2329 2382 13.055611 1532
+2329 2382 14.136362 1537
+2329 2382 14.546197 1539
+2329 2382 14.546197 1539
+2330 2382 13.055611 1532
+2329 2383 10.285714 1521
+2329 2382 11.626851 1526
+2330 2382 9.071147 1517
+2330 4922 11.109841 1524
+2329 2383 10.842094 1523
+2330 2382 12.597376 1530
+2329 2383 7.273098 1512
+2329 2381 7.273098 1512
+2329 2381 8.040712 1514
+2331 2381 8.398251 1515
+2331 2382 8.398251 1515
+2330 2382 9.697464 1519
+2329 2382 8.741177 1516
+2330 2381 9.697464 1519
+2330 2381 11.876920 1527
+2331 2383 15.523518 1544*************************************************************************************************
+2329 2384 15.523518 1544
+2330 2382 15.140162 1542
+2329 2383 13.926923 1536
+2331 2382 14.944797 1541
+2330 2384 16.081425 1547
+2329 5093 15.897632 1546
+2331 2382 15.333037 1543 dans cette partie j'ai pas bougé le tube de pitot
+2330 2383 16.796501 1551
+2332 2383 16.796501 1551
+2330 2384 16.442850 1549
+2329 2383 17.482353 1555
+2330 2382 15.523518 1544
+2329 2383 16.620617 1550
+2329 2382 15.711688 1545
+2330 2382 14.944797 1541
+2329 2383 15.333037 1543
+2329 2382 16.263142 1548
+2330 2382 16.796501 1551****************************************************************************************************
+
+*/