Lauren Taylor / Mbed 2 deprecated phototransistor

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Dependencies:   mbed

main.cpp@1:279fcab0c394, 2018-03-08 (annotated)

Committer:
_laurentaylorrr
Date:
Thu Mar 08 18:20:06 2018 +0000
Revision:
1:279fcab0c394
Parent:
0:46b2c955924b
Child:
2:c76b070c2a55
Added red LED

Who changed what in which revision?

UserRevisionLine numberNew contents of line
_laurentaylorrr 0:46b2c955924b 1 #include "mbed.h"
_laurentaylorrr 0:46b2c955924b 2 AnalogIn lightSensor(p20);
_laurentaylorrr 1:279fcab0c394 3 DigitalOut ledRed(p25);
_laurentaylorrr 1:279fcab0c394 4
_laurentaylorrr 0:46b2c955924b 5 Serial pc(USBTX,USBRX);
_laurentaylorrr 0:46b2c955924b 6 int main() {
_laurentaylorrr 0:46b2c955924b 7 float x;
_laurentaylorrr 0:46b2c955924b 8 int n = 10;
_laurentaylorrr 1:279fcab0c394 9 while(1) {
_laurentaylorrr 1:279fcab0c394 10 ledRed = 1;
_laurentaylorrr 0:46b2c955924b 11 // Average n readings of the light sensor
_laurentaylorrr 0:46b2c955924b 12 x = 0;
_laurentaylorrr 0:46b2c955924b 13 for (int i = 0; i<n; i++)
_laurentaylorrr 0:46b2c955924b 14 x = x + lightSensor;
_laurentaylorrr 0:46b2c955924b 15 x = x/n;
_laurentaylorrr 1:279fcab0c394 16 pc.printf("%.4f\r\n", x);
_laurentaylorrr 1:279fcab0c394 17 ledRed = 0;
_laurentaylorrr 1:279fcab0c394 18 // Average n readings of the light sensor
_laurentaylorrr 1:279fcab0c394 19 x = 0;
_laurentaylorrr 1:279fcab0c394 20 for (int i = 0; i<n; i++)
_laurentaylorrr 1:279fcab0c394 21 x = x + lightSensor;
_laurentaylorrr 1:279fcab0c394 22 x = x/n;
_laurentaylorrr 1:279fcab0c394 23 pc.printf("%.4f\r\n", x);
_laurentaylorrr 0:46b2c955924b 24 wait(0.2);
_laurentaylorrr 0:46b2c955924b 25 }
_laurentaylorrr 0:46b2c955924b 26 }