Juan Carlos Suárez Barón
Keyboard and pwm led brightness
Revision 0:ae5e8aa73f3a, committed 2016-06-30
- Comitter:
- juanitoinig84
- Date:
- Thu Jun 30 23:28:52 2016 +0000
- Commit message:
- PWM brightness with keyboard input
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 |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Jun 30 23:28:52 2016 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+
+PwmOut pwm1(PTC11);
+PwmOut pwmLED(LED_RED);
+//AnalogOut dac(DAC0_OUT);
+Serial pc(USBTX,USBRX);
+
+
+uint16_t periodPWM1 = 1;
+uint16_t periodPWMLED =1;
+float dutyPWM1 = 0;
+float dutyPWMLED = 0;
+
+void rxInterrupt()
+{
+ switch(pc.getc()) {
+
+ case 'a':
+
+ periodPWM1++;
+ periodPWMLED++;
+
+ pwm1.period_ms(periodPWM1);
+ pwmLED.period_ms(periodPWMLED);
+
+ break;
+
+ case 's':
+
+ if (periodPWM1>1) {
+ periodPWM1--;
+ periodPWMLED--;
+ }
+ pwm1.period_ms(periodPWM1);
+ pwmLED.period_ms(periodPWMLED);
+
+ break;
+
+ case 'f':
+
+ if (dutyPWM1<1) {
+ dutyPWM1 = dutyPWM1 + 0.05 ;
+ dutyPWMLED = dutyPWMLED + 0.05;
+ }
+
+ pwm1.write(dutyPWM1);
+ pwmLED.write(dutyPWMLED);
+
+ break;
+
+
+ case 'g':
+ if (dutyPWM1>0) {
+ dutyPWM1 = dutyPWM1 - 0.05 ;
+ dutyPWMLED = dutyPWMLED - 0.05;
+ }
+ pwm1.write(dutyPWM1);
+ pwmLED.write(dutyPWMLED);
+
+ break;
+
+ default: break;
+ }
+
+ pc.printf("Period (ms): %i, Duty: %.2f \r\n", periodPWM1,dutyPWM1);
+
+}
+
+int main()
+{
+ // pc.baud(115200);
+ pc.attach(&rxInterrupt);
+ while(1);
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Jun 30 23:28:52 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34 \ No newline at end of file