Lights up to 4 LEDs based on ambient light levels. Uses Grove Seeed Light Sensor

Dependencies:   mbed

Fork of Seeed_Grove_Shield_Light_Sensor by Seeed

Committer:
screamer
Date:
Tue Jul 29 13:23:29 2014 +0000
Revision:
0:5ff78d2c85d1
Child:
1:d10e08a99894
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:5ff78d2c85d1 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
screamer 0:5ff78d2c85d1 2 *
screamer 0:5ff78d2c85d1 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
screamer 0:5ff78d2c85d1 4 * and associated documentation files (the "Software"), to deal in the Software without
screamer 0:5ff78d2c85d1 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
screamer 0:5ff78d2c85d1 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
screamer 0:5ff78d2c85d1 7 * Software is furnished to do so, subject to the following conditions:
screamer 0:5ff78d2c85d1 8 *
screamer 0:5ff78d2c85d1 9 * The above copyright notice and this permission notice shall be included in all copies or
screamer 0:5ff78d2c85d1 10 * substantial portions of the Software.
screamer 0:5ff78d2c85d1 11 *
screamer 0:5ff78d2c85d1 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
screamer 0:5ff78d2c85d1 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
screamer 0:5ff78d2c85d1 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
screamer 0:5ff78d2c85d1 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
screamer 0:5ff78d2c85d1 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
screamer 0:5ff78d2c85d1 17 */
screamer 0:5ff78d2c85d1 18
screamer 0:5ff78d2c85d1 19 #include "mbed.h"
screamer 0:5ff78d2c85d1 20
screamer 0:5ff78d2c85d1 21 AnalogIn sensor(A0);
screamer 0:5ff78d2c85d1 22 DigitalOut myled(LED1);
screamer 0:5ff78d2c85d1 23
screamer 0:5ff78d2c85d1 24 Serial pc(USBTX, USBRX);
screamer 0:5ff78d2c85d1 25
screamer 0:5ff78d2c85d1 26 int main() {
screamer 0:5ff78d2c85d1 27 while(1) {
screamer 0:5ff78d2c85d1 28 printf("Sensor reading: %f\r\n", (float)(1023-sensor)*10/sensor);
screamer 0:5ff78d2c85d1 29 myled = !myled;
screamer 0:5ff78d2c85d1 30 wait(0.5);
screamer 0:5ff78d2c85d1 31 }
screamer 0:5ff78d2c85d1 32 }