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test
Fork of HelloWorld by
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?
User | Revision | Line number | New 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 | */ |