Danillo Aguiar / Mbed 2 deprecated BAJA

Example of using the SDFileSystem library on a K64F to write files from LSM6DS33 (accel and gyro)

Dependencies:   FXOS8700CQ LSM6DS3 SDFileSystem mbed

Fork of 2545_SD_Card by Craig Evans

main.cpp@2:7f8513e23223, 2018-07-11 (annotated)

Committer:
danilloaguiar
Date:
Wed Jul 11 01:02:54 2018 +0000
Revision:
2:7f8513e23223
Parent:
1:23691b50336d 
ACCEL AND GYRO LSM6DS33 SAVE IN SD CARD K64F

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eencae 0:5448330e1a33 1 #include "mbed.h"
eencae 0:5448330e1a33 2 #include "SDFileSystem.h"
danilloaguiar 1:23691b50336d 3 #include "FXOS8700CQ.h"
danilloaguiar 1:23691b50336d 4 #include "LSM6DS3.h"
eencae 0:5448330e1a33 5
eencae 0:5448330e1a33 6 // Connections to SD card holder on K64F (SPI interface)
eencae 0:5448330e1a33 7 SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
danilloaguiar 1:23691b50336d 8 Timer t;
danilloaguiar 1:23691b50336d 9 FXOS8700CQ fxos(PTE25,PTE24);
danilloaguiar 1:23691b50336d 10 LSM6DS3 LSM6DS3(PTE25,PTE24);
danilloaguiar 1:23691b50336d 11 Serial pc(USBTX, USBRX);
danilloaguiar 1:23691b50336d 12 Data fxos_acc;
danilloaguiar 1:23691b50336d 13 unsigned long int start_time = 0, end_time = 0;
danilloaguiar 1:23691b50336d 14 uint16_t adc_value;
danilloaguiar 1:23691b50336d 15 AnalogIn pot0(A0), pot1(A1), pot2(A2), pot3(A3);
eencae 0:5448330e1a33 16
danilloaguiar 1:23691b50336d 17
eencae 0:5448330e1a33 18
eencae 0:5448330e1a33 19 int main()
eencae 0:5448330e1a33 20 {
danilloaguiar 1:23691b50336d 21 LSM6DS3.begin();
danilloaguiar 1:23691b50336d 22 fxos.init();
danilloaguiar 1:23691b50336d 23 double t0, t1;
danilloaguiar 1:23691b50336d 24 pc.baud(115200); // full-speed!
danilloaguiar 1:23691b50336d 25 pc.printf("#### Example #####\n");
eencae 0:5448330e1a33 26 FILE *fp; // this is our file pointer
danilloaguiar 1:23691b50336d 27 t.start();
danilloaguiar 1:23691b50336d 28 t0 = t.read_us();
danilloaguiar 1:23691b50336d 29 fp = fopen("/sd/Teste1.txt", "wb");
danilloaguiar 1:23691b50336d 30 //read Accel & Gyro
danilloaguiar 1:23691b50336d 31 LSM6DS3.readAccel();
danilloaguiar 1:23691b50336d 32 LSM6DS3.readGyro();
danilloaguiar 1:23691b50336d 33 start_time = t.read_us();
danilloaguiar 1:23691b50336d 34 fxos_acc = fxos.get_values();
danilloaguiar 1:23691b50336d 35 end_time = t.read_us();
danilloaguiar 1:23691b50336d 36 pc.printf("\nPass time: %d\n", end_time - start_time);
danilloaguiar 1:23691b50336d 37 //serial send Accel (board)
danilloaguiar 1:23691b50336d 38 pc.printf("BoardAccelerX[%f]\n",fxos_acc.ax);
danilloaguiar 1:23691b50336d 39 pc.printf("BoardAccelerY[%f]\n",fxos_acc.ay);
danilloaguiar 1:23691b50336d 40 pc.printf("BoardAccelerZ[%f]\n",fxos_acc.az);
danilloaguiar 1:23691b50336d 41 //serial send Gyro
danilloaguiar 1:23691b50336d 42 pc.printf("GyroX[%f]\n",LSM6DS3.gx);
danilloaguiar 1:23691b50336d 43 pc.printf("GyroY[%f]\n",LSM6DS3.gy);
danilloaguiar 1:23691b50336d 44 pc.printf("GyroZ[%f]\n",LSM6DS3.gz);
danilloaguiar 1:23691b50336d 45 //serial send Accel (lsm6ds33)
danilloaguiar 1:23691b50336d 46 pc.printf("AccelerX[%f]\n",LSM6DS3.ax);
danilloaguiar 1:23691b50336d 47 pc.printf("AccelerY[%f]\n",LSM6DS3.ay);
danilloaguiar 1:23691b50336d 48 pc.printf("AccelerZ[%f]\n",LSM6DS3.az);
eencae 0:5448330e1a33 49
eencae 0:5448330e1a33 50
eencae 0:5448330e1a33 51 if (fp == NULL) { // if it can't open the file then print error message
danilloaguiar 1:23691b50336d 52 pc.printf("Error! Unable to open file!\n");
danilloaguiar 1:23691b50336d 53 } else { // opened file so can write
danilloaguiar 1:23691b50336d 54 fprintf(fp, "%f %f %f \n %f %f %f \n %f %f %f \n", fxos_acc.ax,fxos_acc.ay,fxos_acc.az,LSM6DS3.gx,LSM6DS3.gy,LSM6DS3.gz,LSM6DS3.ax,LSM6DS3.ay,LSM6DS3.az);
danilloaguiar 1:23691b50336d 55 fclose(fp); // ensure you close the file after writing
danilloaguiar 1:23691b50336d 56 t1 = t.read_us();
danilloaguiar 1:23691b50336d 57 pc.printf("The time taken was %lf u-seconds\n", t1-t0);
danilloaguiar 1:23691b50336d 58 t.stop();
eencae 0:5448330e1a33 59 }
eencae 0:5448330e1a33 60 }