WIZnet
/
PwmOut_HelloWorld_WIZwiki-W7500
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Dependencies: mbed-src
Fork of
PwmOut_HelloWorld
by 
Mbed
Prerequisite
This example is for PWM test using digital I/O. To implement this function, you need a Platform board.
Below are what we used.
- WIZwiki-W7500 from WIZnet (Platform board)
Hardware Configuration
WIZwiki-W7500 Pin map
Software
Init GPIO
PwmOut led(LED1);
Set PWM
led.period(4.0f); // 4 second period
led.write(0.50f); // 50% duty cycle, relative to period
Revision 1:5160ea45399b, committed 2014-09-21
- Comitter:
- mbedAustin
- Date:
- Sun Sep 21 06:39:30 2014 +0000
- Parent:
- 0:50d2b9c62765
- Child:
- 2:f2ef6eab578f
- Commit message:
- updated example for clarity
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Feb 12 15:10:53 2013 +0000
+++ b/main.cpp Sun Sep 21 06:39:30 2014 +0000
@@ -1,12 +1,12 @@
#include "mbed.h"
-
+
PwmOut led(LED1);
-
+
int main() {
- while(1) {
- for(float p = 0.0f; p < 1.0f; p += 0.1f) {
- led = p;
- wait(0.1);
- }
- }
+ // specify period first
+ led.period(4.0f); // 4 second period
+ led.write(0.50f); // 50% duty cycle, relative to period
+ //led = 0.5f; // shorthand for led.write()
+ //led.pulsewidth(2); // alternative to led.write, set duty cycle time in seconds
+ while(1);
}
\ No newline at end of file
--- a/mbed.bld Tue Feb 12 15:10:53 2013 +0000 +++ b/mbed.bld Sun Sep 21 06:39:30 2014 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/0954ebd79f59 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file