Igor Padjen
/
v5_2_upravljanje_LEDdioda
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Revision 0:b534566a0c77, committed 2015-12-10
- Comitter:
- ipadjen
- Date:
- Thu Dec 10 17:38:22 2015 +0000
- Commit message:
- Uprav_LED osvjetljenjem_x50%
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 |
diff -r 000000000000 -r b534566a0c77 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Dec 10 17:38:22 2015 +0000
@@ -0,0 +1,30 @@
+// host terminal LED dimmer control
+#include "mbed.h"
+Serial pc(USBTX, USBRX); // tx, rx
+PwmOut PWM1(p21);
+float brightness=0.0;
+int main()
+{
+ PWM1.period(0.010); // set PWM period to 10 ms
+ PWM1=0.8; // set duty cycle to 80%
+ pc.printf("Control of LED dimmer by host terminal\n\r");
+ pc.printf("Press 'u' = brighter, 'd' = dimmer\n\r");
+ while(1) {
+ char c = pc.getc();
+ wait(0.001);
+ if((c == 'u') && (brightness < 1.0)) {
+ brightness += 0.1;
+ PWM1= brightness;
+ }
+ if((c == 'd') && (brightness > 0.0)) {
+ brightness -= 0.1;
+ PWM1= brightness;
+ }
+ if(c=='x') {
+ brightness = 0.5;
+ PWM1= brightness;
+ }
+
+ pc.printf("%c %1.3f \n \r",c,brightness);
+}
+}
diff -r 000000000000 -r b534566a0c77 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Dec 10 17:38:22 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/165afa46840b \ No newline at end of file