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Dependencies: BufferedSerial SX1276GenericLib USBDeviceHT mbed Crypto X_NUCLEO_IKS01A2
Fork of
STM32L0_LoRa
by 
Helmut Tschemernjak
Revision 31:6bf5a868695f, committed 2018-09-17
- Comitter:
- marcozecchini
- Date:
- Mon Sep 17 20:42:51 2018 +0000
- Parent:
- 30:d43802606136
- Child:
- 32:c22ce5fdacbf
- Commit message:
- Bug fixed 3;
Changed in this revision
| hcsr04.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/hcsr04.cpp Mon Sep 17 20:39:50 2018 +0000
+++ b/hcsr04.cpp Mon Sep 17 20:42:51 2018 +0000
@@ -19,4 +19,12 @@
return timer.read_us();
}
+
+//return distance in cm
+long HCSR04::distance(){
+ duration = echo_duration();
+ distance_cm = (duration/2)/29.1 ;
+ return distance_cm;
+
+}
\ No newline at end of file