David k
/
Proximity Sensor
Line sensoe
main.cpp@0:0d568a5d1348, 2019-03-17 (annotated)
- Committer:
- adavidkhowantolim
- Date:
- Sun Mar 17 10:05:51 2019 +0000
- Revision:
- 0:0d568a5d1348
- Child:
- 1:5f1c49bcdecf
PROXIMITY SENSOR; OK;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
adavidkhowantolim | 0:0d568a5d1348 | 1 | #include "mbed.h" |
adavidkhowantolim | 0:0d568a5d1348 | 2 | |
adavidkhowantolim | 0:0d568a5d1348 | 3 | DigitalIn digital_value(D7); |
adavidkhowantolim | 0:0d568a5d1348 | 4 | |
adavidkhowantolim | 0:0d568a5d1348 | 5 | DigitalOut led(LED1); |
adavidkhowantolim | 0:0d568a5d1348 | 6 | |
adavidkhowantolim | 0:0d568a5d1348 | 7 | int main() { |
adavidkhowantolim | 0:0d568a5d1348 | 8 | float meas; |
adavidkhowantolim | 0:0d568a5d1348 | 9 | |
adavidkhowantolim | 0:0d568a5d1348 | 10 | printf("\nDigitalIn example\n"); |
adavidkhowantolim | 0:0d568a5d1348 | 11 | |
adavidkhowantolim | 0:0d568a5d1348 | 12 | while(1) { |
adavidkhowantolim | 0:0d568a5d1348 | 13 | meas = digital_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0) |
adavidkhowantolim | 0:0d568a5d1348 | 14 | // meas = meas * 3300; // Change the value to be in the 0 to 3300 range |
adavidkhowantolim | 0:0d568a5d1348 | 15 | printf("measure = %.3f mV\n", meas); |
adavidkhowantolim | 0:0d568a5d1348 | 16 | if (meas = 1) { // If the value is greater than 2V then switch the LED on |
adavidkhowantolim | 0:0d568a5d1348 | 17 | led = 1; |
adavidkhowantolim | 0:0d568a5d1348 | 18 | } |
adavidkhowantolim | 0:0d568a5d1348 | 19 | else { |
adavidkhowantolim | 0:0d568a5d1348 | 20 | led = 0; |
adavidkhowantolim | 0:0d568a5d1348 | 21 | } |
adavidkhowantolim | 0:0d568a5d1348 | 22 | wait(0.2); // 200 ms |
adavidkhowantolim | 0:0d568a5d1348 | 23 | } |
adavidkhowantolim | 0:0d568a5d1348 | 24 | } |