ahmed ahmed
/
nora_v_logger
dd
main.cpp
- Committer:
- pfe
- Date:
- 2015-04-08
- Revision:
- 0:d32c1bd327b1
File content as of revision 0:d32c1bd327b1:
#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**************************************************************************************************** */