main.cpp

00001 #include "stm32f103c8t6.h"
00002 #include "mbed.h"
00003 #include "rtos.h"
00004 
00005 PwmOut mypwmled(PB_10);
00006 double per;
00007 DigitalOut  myled(LED1);
00008 AnalogIn sensepwm(PB_1);
00009 
00010 
00011 void q_bar() {
00012     while (1) {
00013         if (sensepwm.read() > 0.45) { // If the value is greater than 2V then toggle the LED
00014           myled = 1;
00015         }
00016         else {
00017           myled = 0;
00018         }
00019         
00020         
00021         }
00022     }
00023 
00024 int main() {
00025     mypwmled = 0.5;
00026     mypwmled.period_ms(1000);
00027     per = 1000;
00028     Thread thread(q_bar);
00029     while(per>40) {
00030     
00031   
00032         mypwmled.period_us(per*1000);
00033         //printf("LED is now %.2f\n", led.read());
00034         
00035         wait_ms(per*2+100);
00036         per = per - 20;
00037         
00038         }
00039 
00040     while (1) {
00041          while(per<100) {
00042     
00043   
00044         mypwmled.period_us(per*1000);
00045         //printf("LED is now %.2f\n", led.read());
00046         
00047         wait_ms(per*2+100);
00048         per = per + 3;
00049         
00050         }   
00051         while(per>40) {
00052     
00053   
00054         mypwmled.period_us(per*1000);
00055         //printf("LED is now %.2f\n", led.read());
00056         
00057         wait_ms(per*3+100);
00058         per = per - 3;
00059         
00060         } 
00061     }
00062 
00063     per = 1000;
00064         mypwmled.period_us(per*1000);
00065     
00066 }