main.cpp

00001 #include "mbed.h"
00002 
00003 PwmOut mypwm(LED1);
00004 
00005 
00006 
00007 int main() {
00008     
00009 
00010   
00011     printf("pwm set to %.2f %%\n", mypwm.read() * 100);
00012     
00013     float pwm=0.0;
00014     
00015     while(1) {
00016             
00017             pwm = pwm + 0.05; // instead of this pattern we can also write like check below
00018             mypwm.write(pwm);
00019             if(pwm >= 1.0)
00020                 pwm = 0.0;
00021             wait(0.03);
00022             
00023             /*
00024                 mypwm = mypwm + 0.01;
00025                 if(mypwm >= 1.0)
00026                     mypwm = 0.0;
00027                 wait(0.05);
00028                 //and here we will not need any "float pwm=0.0;" type vars
00029                 //another thing is that even if we don't set the pwm.period default period will be used which will be 
00030                 //same across the whole program for any number of pwms used on that chip. 
00031             */
00032             
00033     }
00034 }