jakob hz
A program that demonstrates the development of library, using as an example an ultrasonic distance sensor HC-SR04.
Dependencies: mbed HCSR04 AutomationElements
main.cpp@2:f86b1e3609b3, 2015-12-05 (annotated)
- Committer:
- tbjazic
- Date:
- Sat Dec 05 09:07:15 2015 +0000
- Revision:
- 2:f86b1e3609b3
- Parent:
- 1:22043b67c31c
- Child:
- 3:3297ea6e3ae1
Library HCSR04 created.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| tbjazic | 2:f86b1e3609b3 | 1 | /** Revision 2: Separating the class declaration, implementation and main() function into files. */ |
| tbjazic | 0:ebee649c5b1b | 2 | |
| tbjazic | 0:ebee649c5b1b | 3 | #include "mbed.h" |
| tbjazic | 2:f86b1e3609b3 | 4 | #include "HCSR04.h" |
| tbjazic | 0:ebee649c5b1b | 5 | |
| tbjazic | 0:ebee649c5b1b | 6 | Serial pc(USBTX, USBRX); // communication with terminal |
| tbjazic | 0:ebee649c5b1b | 7 | |
| tbjazic | 0:ebee649c5b1b | 8 | int main() { |
| tbjazic | 1:22043b67c31c | 9 | HCSR04 sensor(p5, p7); // instantiate the sensor object |
| tbjazic | 0:ebee649c5b1b | 10 | while(1) { |
| tbjazic | 1:22043b67c31c | 11 | /** Print the result in cm to the terminal with 1 decimal place |
| tbjazic | 0:ebee649c5b1b | 12 | * (number 5 after % means that total of 5 digits will be reserved |
| tbjazic | 0:ebee649c5b1b | 13 | * for printing the number, including the dot and one decimal place). */ |
| tbjazic | 1:22043b67c31c | 14 | pc.printf("Distance: %5.1f cm\r", sensor.getDistance_cm()); |
| tbjazic | 1:22043b67c31c | 15 | wait_ms(1000-25); |
| tbjazic | 0:ebee649c5b1b | 16 | } |
| tbjazic | 0:ebee649c5b1b | 17 | } |