A hello world program for the HC-SR04
Dependencies: HC_SR04_Ultrasonic_Library mbed
main.cpp@0:1704ea055c4f, 2014-11-23 (annotated)
- Committer:
- ejteb
- Date:
- Sun Nov 23 20:27:21 2014 +0000
- Revision:
- 0:1704ea055c4f
- Child:
- 1:4a5586eb1765
seems to work :0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ejteb | 0:1704ea055c4f | 1 | #include "mbed.h" |
ejteb | 0:1704ea055c4f | 2 | #include "ultrasonic.h" |
ejteb | 0:1704ea055c4f | 3 | |
ejteb | 0:1704ea055c4f | 4 | //time_t startTime; |
ejteb | 0:1704ea055c4f | 5 | //Timer t; |
ejteb | 0:1704ea055c4f | 6 | //float s; |
ejteb | 0:1704ea055c4f | 7 | void dist(int distance) |
ejteb | 0:1704ea055c4f | 8 | { |
ejteb | 0:1704ea055c4f | 9 | //float new_s; |
ejteb | 0:1704ea055c4f | 10 | //new_s = t.read (); |
ejteb | 0:1704ea055c4f | 11 | //printf("I think %f s passed, current time %f, %f\r\n", (double)(new_s-s), new_s, s); |
ejteb | 0:1704ea055c4f | 12 | //printf("distance updated %d\r\n", distance); |
ejteb | 0:1704ea055c4f | 13 | //printf("RTC clock says %d\r\n", (time(NULL)-startTime)); |
ejteb | 0:1704ea055c4f | 14 | } |
ejteb | 0:1704ea055c4f | 15 | void startTimer() |
ejteb | 0:1704ea055c4f | 16 | { |
ejteb | 0:1704ea055c4f | 17 | //s = t.read(); |
ejteb | 0:1704ea055c4f | 18 | //printf("timer started \r\n"); |
ejteb | 0:1704ea055c4f | 19 | //startTime = time(NULL); |
ejteb | 0:1704ea055c4f | 20 | } |
ejteb | 0:1704ea055c4f | 21 | void trigger() |
ejteb | 0:1704ea055c4f | 22 | { |
ejteb | 0:1704ea055c4f | 23 | //printf("trigger sent\r\n"); |
ejteb | 0:1704ea055c4f | 24 | } |
ejteb | 0:1704ea055c4f | 25 | |
ejteb | 0:1704ea055c4f | 26 | ultrasonic mu(D8, D9, 1, 2, &dist, &trigger, &startTimer); |
ejteb | 0:1704ea055c4f | 27 | |
ejteb | 0:1704ea055c4f | 28 | int main() |
ejteb | 0:1704ea055c4f | 29 | { |
ejteb | 0:1704ea055c4f | 30 | //t.start(); |
ejteb | 0:1704ea055c4f | 31 | mu.startUpdates(); |
ejteb | 0:1704ea055c4f | 32 | while(1) |
ejteb | 0:1704ea055c4f | 33 | { |
ejteb | 0:1704ea055c4f | 34 | //Do something else |
ejteb | 0:1704ea055c4f | 35 | //printf("doing something"); |
ejteb | 0:1704ea055c4f | 36 | if(mu.isUpdated()) |
ejteb | 0:1704ea055c4f | 37 | { |
ejteb | 0:1704ea055c4f | 38 | printf("Distance = %d\r\n", mu.getCurrentDistance()); |
ejteb | 0:1704ea055c4f | 39 | } |
ejteb | 0:1704ea055c4f | 40 | } |
ejteb | 0:1704ea055c4f | 41 | } |