Diff: main.cpp

Revision:

2:10498697e83b

Parent:

1:40d2fd0b99e6

Child:

3:2848f736b75a

--- a/main.cpp	Tue Nov 23 16:10:35 2010 +0000
+++ b/main.cpp	Fri Sep 03 12:16:55 2021 +0000
@@ -1,13 +1,21 @@
-// Hello World to sweep a servo through its full range
+// https://os.mbed.com/questions/1680/Analog-In-PWM-Out-to-control-rc-servo/
+// 2021-08-26
 
 #include "mbed.h"
-#include "Servo.h"
-
-Servo myservo(p21);
+PwmOut servo(D9);
 
-int main() {    
-    for(float p=0; p<1.0; p += 0.1) {
-        myservo = p;
-        wait(0.2);
+int main() 
+    {
+    servo.period_us(20000); //20ms period, typical for analog RC servo
+    int servopulsewidth=1500;
+    servo.pulsewidth_us(servopulsewidth); //centers the servo. Usually a RC servos range is from 1000 to 2000us.
+    while(1)
+    {
+        //servo.pulsewidth_us(1500); //increments servopulsewidth with 1
+        //wait(0.5);
+        servo.pulsewidth_us(1000); //increments servopulsewidth with 1
+        wait(0.5);
+        servo.pulsewidth_us(2000); //increments servopulsewidth with 1
+        wait(0.5);        
     }
-}
+}
\ No newline at end of file