board/stm32f401rc-rs485: Add support to ultrasonic sensor HC-SR04

Signed-off-by: Rodrigo Sim rcsim10@gmail.com
2026-05-28 20:08:15 +08:00 · 2024-05-18 12:20:46 -03:00
parent e6ed8c6782
commit 8fb458b7fe
4 changed files with 109 additions and 0 deletions
@@ -539,3 +539,19 @@ NSH commands::
       mcsonn_main: Connected

       nsh> msdis
+
+hcs04
+-----
+
+Configures the NuttShell (nsh) over USB Serial (check usbserial configuration) and enables ultrasonic sensor HC-SR04::
+
+       nsh> cat /dev/dist0
+       6241 --> value 
+       6227
+       6241
+       6255
+
+You can convert the value using following::
+
+       Convert to cm: value/58
+       Converto to inches: value/148