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Dependencies:   mbed MMA8452Q

Fork of HelloWorld by Simon Ford

main.cpp@15:b4b2e73faefb, 2017-08-31 (annotated)

Committer:
kkalsi
Date:
Thu Aug 31 15:47:06 2017 +0000
Revision:
15:b4b2e73faefb
Parent:
13:64137db317ab
Child:
16:0b58c14b639d
including digit extraction

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kkalsi 6:62e39c103d12 1 #include "mbed.h"
kkalsi 9:f36f1506a840 2 #include "MMA8452Q.h"
kkalsi 7:32229ffff57e 3
kkalsi 2:42408ce8f4ae 4 Serial pc(USBTX, USBRX); // tx, rx
kkalsi 10:386a3a12f3cf 5 SPI accel(p11,p12,p13);
kkalsi 10:386a3a12f3cf 6 DigitalOut cs(p14);
kkalsi 10:386a3a12f3cf 7 // Communication I2C
kkalsi 9:f36f1506a840 8 //I2C comI2C(p9,p10); // sda, scl
kkalsi 10:386a3a12f3cf 9
kkalsi 3:8494c3f7108d 10 int main() {
kkalsi 6:62e39c103d12 11
kkalsi 15:b4b2e73faefb 12 //float x, y, z ;
kkalsi 9:f36f1506a840 13
kkalsi 15:b4b2e73faefb 14 MMA8452Q acc(p9,p10,0x1d); // acceleration object
kkalsi 9:f36f1506a840 15
kkalsi 9:f36f1506a840 16 while (true) {
kkalsi 15:b4b2e73faefb 17 // x = acc.getAccX() ;
kkalsi 15:b4b2e73faefb 18 // y = acc.getAccY() ;
kkalsi 15:b4b2e73faefb 19 // z = acc.getAccZ() ;
vincentlabbe 13:64137db317ab 20 // printf("X[%.2f] Y[%.2f] Z[%.2f]\n",x, y, z) ;
kkalsi 9:f36f1506a840 21 wait(0.1);
vincentlabbe 13:64137db317ab 22
kkalsi 15:b4b2e73faefb 23 float z = 0.707;
vincentlabbe 13:64137db317ab 24 float resultat = (3.14/2.0) -( z + (z *z * z)/6.0 + (3*z*z*z*z*z)/40.0);
kkalsi 15:b4b2e73faefb 25 pc.printf("valeur rad = %f", resultat);
kkalsi 15:b4b2e73faefb 26 float degree = resultat * 18000.0/314.0;
kkalsi 15:b4b2e73faefb 27 pc.printf("valeur deg = %f", degree);
kkalsi 15:b4b2e73faefb 28 degree = degree * 10;
kkalsi 15:b4b2e73faefb 29 int degreInt = (int)degree;
kkalsi 15:b4b2e73faefb 30 pc.printf("valeur deg = %d", degreInt);
kkalsi 15:b4b2e73faefb 31
kkalsi 10:386a3a12f3cf 32
kkalsi 15:b4b2e73faefb 33 // extracting digits
kkalsi 15:b4b2e73faefb 34 char digits[4];
kkalsi 15:b4b2e73faefb 35 int i = 0;
kkalsi 15:b4b2e73faefb 36 while(degreInt > 0) {
kkalsi 15:b4b2e73faefb 37 digits[i]= degreInt % 10; //to get the right most digit
kkalsi 15:b4b2e73faefb 38 pc.printf("digit %c = %c", i, digits[i]);
kkalsi 15:b4b2e73faefb 39 degreInt /= 10; //reduce the number by one digit
kkalsi 15:b4b2e73faefb 40 ++i;
kkalsi 15:b4b2e73faefb 41 }
kkalsi 15:b4b2e73faefb 42 //digits[i]='\0' //terminate the string
kkalsi 15:b4b2e73faefb 43
kkalsi 10:386a3a12f3cf 44
vincentlabbe 13:64137db317ab 45
vincentlabbe 13:64137db317ab 46 /*
kkalsi 10:386a3a12f3cf 47 cs = 0;
kkalsi 11:5499b22fd01e 48 accel.write(x);
kkalsi 10:386a3a12f3cf 49 cs = 1;
kkalsi 10:386a3a12f3cf 50 wait(0.2);
vincentlabbe 13:64137db317ab 51 cs = 0;*/
kkalsi 10:386a3a12f3cf 52 wait(1);
kkalsi 10:386a3a12f3cf 53 }
kkalsi 3:8494c3f7108d 54 }
kkalsi 3:8494c3f7108d 55
kkalsi 3:8494c3f7108d 56
kkalsi 3:8494c3f7108d 57 /* communication SPI
kkalsi 3:8494c3f7108d 58 Serial pc(USBTX, USBRX); // tx, rx
kkalsi 2:42408ce8f4ae 59 SPI acc(p11,p12,p13);
kkalsi 2:42408ce8f4ae 60 DigitalOut cs(p14);
kkalsi 2:42408ce8f4ae 61 int main() {
kkalsi 2:42408ce8f4ae 62 while(1){
kkalsi 2:42408ce8f4ae 63 int nombre = 0;
kkalsi 2:42408ce8f4ae 64 pc.printf("Entrez un nombre de 4 chiffres : ");
kkalsi 2:42408ce8f4ae 65 pc.scanf("%d", &nombre);
kkalsi 2:42408ce8f4ae 66 pc.printf("Votre numero entrez est le : %d", nombre);
kkalsi 2:42408ce8f4ae 67
kkalsi 2:42408ce8f4ae 68 cs = 0;
kkalsi 3:8494c3f7108d 69 acc.write(nombre);
kkalsi 2:42408ce8f4ae 70 cs = 1;
kkalsi 2:42408ce8f4ae 71 wait(0.2);
kkalsi 2:42408ce8f4ae 72 cs = 0;
kkalsi 2:42408ce8f4ae 73 wait(1);
kkalsi 2:42408ce8f4ae 74 }
kkalsi 3:8494c3f7108d 75 }*/
kkalsi 2:42408ce8f4ae 76 /*
kkalsi 2:42408ce8f4ae 77 Serial pc(USBTX, USBRX); // tx, rx
kkalsi 2:42408ce8f4ae 78 Serial mc(p13,p14);
kkalsi 2:42408ce8f4ae 79 int main() {
kkalsi 2:42408ce8f4ae 80
kkalsi 2:42408ce8f4ae 81 int nombre = 0;
kkalsi 2:42408ce8f4ae 82 pc.printf("Entrez un nombre de 4 chiffres : ");
kkalsi 2:42408ce8f4ae 83 pc.scanf("%d", &nombre);
kkalsi 2:42408ce8f4ae 84 pc.printf("Votre numero entrez est le : %d", nombre);
kkalsi 2:42408ce8f4ae 85 mc.printf(nombre);
kkalsi 2:42408ce8f4ae 86 }
kkalsi 2:42408ce8f4ae 87 */
simon 0:fb6bbc10ffa0 88
kkalsi 2:42408ce8f4ae 89
kkalsi 2:42408ce8f4ae 90 /*
kkalsi 2:42408ce8f4ae 91 DigitalOut myled(LED2);
simon 0:fb6bbc10ffa0 92
simon 0:fb6bbc10ffa0 93 int main() {
simon 0:fb6bbc10ffa0 94 while(1) {
simon 0:fb6bbc10ffa0 95 myled = 1;
simon 0:fb6bbc10ffa0 96 wait(0.2);
simon 0:fb6bbc10ffa0 97 myled = 0;
simon 0:fb6bbc10ffa0 98 wait(0.2);
simon 0:fb6bbc10ffa0 99 }
simon 0:fb6bbc10ffa0 100 }
kkalsi 2:42408ce8f4ae 101 */