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Show/hide line numbers ir_sensor.cpp Source File

ir_sensor.cpp

00001 #include "mbed.h"
00002 #include "ir_sensor.h"
00003 
00004 float IRSensor::readIR() {
00005     float value;
00006     _enable = 1;
00007     wait_us(60);
00008     value = _input.read();
00009     _enable = 0;
00010     wait_us(60);
00011     
00012     return value;
00013     
00014     /*
00015     float sensor_arr [5];
00016     //Each duration takes 100us, 5 times = 0.5ms
00017     for (int i = 0; i < 5; i++)
00018     {
00019         float value;
00020         _enable = 1;
00021         wait_us(30);
00022         sensor_arr[i] = _input.read();
00023         _enable = 0;
00024         wait_us(30);
00025     }
00026     float sum = 0.0f;
00027     for (int i = 2; i < 5; i++) {
00028         sum += sensor_arr[i];
00029     }
00030     
00031     return sum/3;*/
00032 }
00033 
00034 //float IRSensor::cell_dist(){
00035 //    return readIR() / 18;
00036 //}
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