David Estrada / Mbed 2 deprecated HW4_1_Q3

Leds get brighter as it gets darker outside

Dependencies:   mbed

main.cpp@0:00bceb1fa958, 2015-09-16 (annotated)

Committer:
destradafilm
Date:
Wed Sep 16 16:24:20 2015 +0000
Revision:
0:00bceb1fa958
HW 4.1 q3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
destradafilm 0:00bceb1fa958 1 #include "mbed.h"
destradafilm 0:00bceb1fa958 2
destradafilm 0:00bceb1fa958 3 #define PROGNAME "DEstra_HW 4_1 QUESTION 3"
destradafilm 0:00bceb1fa958 4 #define DATATIME 0.5
destradafilm 0:00bceb1fa958 5
destradafilm 0:00bceb1fa958 6 #define PRINTDEBUG
destradafilm 0:00bceb1fa958 7
destradafilm 0:00bceb1fa958 8 AnalogIn LightSensor(PTE22); // define light sensor
destradafilm 0:00bceb1fa958 9 PwmOut redLed(LED_RED);
destradafilm 0:00bceb1fa958 10 PwmOut greenLed(LED_GREEN);
destradafilm 0:00bceb1fa958 11
destradafilm 0:00bceb1fa958 12 Serial pc(USBTX, USBRX);
destradafilm 0:00bceb1fa958 13
destradafilm 0:00bceb1fa958 14 int main()
destradafilm 0:00bceb1fa958 15 {
destradafilm 0:00bceb1fa958 16 float lightVal;
destradafilm 0:00bceb1fa958 17 unsigned short lightWord;
destradafilm 0:00bceb1fa958 18
destradafilm 0:00bceb1fa958 19 pc.printf(PROGNAME);
destradafilm 0:00bceb1fa958 20
destradafilm 0:00bceb1fa958 21 while(true){
destradafilm 0:00bceb1fa958 22 lightVal = LightSensor.read();
destradafilm 0:00bceb1fa958 23 lightWord = LightSensor.read_u16();
destradafilm 0:00bceb1fa958 24 redLed = 1.0 - lightVal; // redLed shines brighter as it gets darker outside
destradafilm 0:00bceb1fa958 25 greenLed = 1.0 - lightVal;
destradafilm 0:00bceb1fa958 26
destradafilm 0:00bceb1fa958 27 #ifdef PRINTDEBUG
destradafilm 0:00bceb1fa958 28 pc.printf("LS => %1.3f %5 \r\n", (1.0 - lightVal), lightWord);
destradafilm 0:00bceb1fa958 29 pc.printf("other => %\r\n", lightWord);
destradafilm 0:00bceb1fa958 30 #endif
destradafilm 0:00bceb1fa958 31 wait(DATATIME);
destradafilm 0:00bceb1fa958 32 }
destradafilm 0:00bceb1fa958 33 }