RTES / Mbed 2 deprecated mbed_pwmLib

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Dependencies:   mbed

Diff: main.cpp

Revision:
1:8c73948a0864
Parent:
0:fd080fb55bae
Child:
2:bf817b299c19
diff -r fd080fb55bae -r 8c73948a0864 main.cpp
--- a/main.cpp	Tue Oct 06 22:09:22 2015 +0000
+++ b/main.cpp	Thu Oct 08 19:56:17 2015 +0000
@@ -1,8 +1,26 @@
+/*
+Using pwm to run a servo motor
+Connect the red wire of the servo motor to 3.3V and not 5V
+*/
 #include "mbed.h"
 PwmOut pwm1(p21);
+Serial pc(USBTX, USBRX);
 
 int main() {
     pwm1.period_ms(20);
-    pwm1.write(0.5);
+    
+    while(1){
+        char c = pc.getc();
+        if(c=='1'){
+            pwm1.write(0);
+            wait(0.5);
+            pwm1.write(0.0375); // 3.75% duty cycle - Open the gate
+        }
+        else{
+            pwm1.write(0);
+            wait(0.5);
+            pwm1.write(0.1125); // 11.25% duty cycle - Close the gate
+        }
+    }
     return 0;
 }