Richard Kuo / Mbed OS NTOUEE-mbed-PWM_DCservo

mbed PWM DCservo

Files at this revision

API Documentation at this revision

Revision 0:7b5e6b979e90, committed 2016-10-20

Comitter:
rkuo2000
Date:
Thu Oct 20 12:38:53 2016 +0000
Commit message:
mbed PWM DCservo

Changed in this revision

.gitignore Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-os.lib Show annotated file Show diff for this revision Revisions of this file 
diff -r 000000000000 -r 7b5e6b979e90 .gitignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Thu Oct 20 12:38:53 2016 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*

diff -r 000000000000 -r 7b5e6b979e90 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 20 12:38:53 2016 +0000
@@ -0,0 +1,18 @@
+// using NuMaker-PFM-NUC472 PWM1 output to drive DC servo motor
+#include "mbed.h"
+
+PwmOut pwm1(PF_10); // PWM1 pinname
+
+int main() {
+    
+    int i=0;
+    printf("...DCserv Start...\n\r");
+    pwm1.period_us(20000);      // set PWM period to 20ms (50Hz)
+        
+    for (i=500; i<=2500; i=i+200) { // from 0.5ms to 2.5ms
+        pwm1.pulsewidth_us(i);      // set PWM pulse width to rotate motor
+        Thread::wait(1000);         // delay
+        printf("DCservo pulse width = %d\n\r", i);
+    } 
+    printf("...DCserv End.....\n\r");                             
+}

diff -r 000000000000 -r 7b5e6b979e90 mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Thu Oct 20 12:38:53 2016 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#a6f3fd1a60d5df59246d7caf3f108c4d34e1808e