//                           +-\/-+
//  Ain0       (D  5)  PB5  1|    |8   VCC
//  Ain3       (D  3)  PB3  2|    |7   PB2  (D  2)  INT0  Ain1
//  Ain2       (D  4)  PB4  3|    |6   PB1  (D  1)        pwm1
//                     GND  4|    |5   PB0  (D  0)        pwm0
//                           +----+
 void setup(){
 //DDRB |= (1<<PB1); //Set pin PB0 as output
 //TCNT0 = 0;
 TCCR0A=0;
 TCCR0B=0;
 
 TCCR0A |=(1<<WGM01) | (1<<WGM00); //Fast PWM
 TCCR0A |=(1<<COM0A1) | (1<<COM0B1) | (1<<COM0B0); 
 TCCR0B |= (1<<CS02) | (1<<CS00); // Prescaler Clk/1024 N=1024

// Fréquence de sortie
// f_pwm = fclock/(N*256)=8000000/(1024*256) = 30Hz
// f_pwm = fclock/(N*256)=1000000/(64*256) = 61Hz
 
 // Port PB0
 OCR0A=50; // OC0A +Duty = 50/255*100 = 19.6%

 //Port PB1
 //OCR0B=50; // OC0B +Duty = (255-50)/255*100 = 80.4%  -Duty = 50/255*100 = 19.6%
OCR0B=6; // OC0B +Duty = (255-6)/255*100 = 97.65%  -Duty = 6/255*100 = 2.35

 // Make PWM pins OUTPUT
 DDRB |=(1<<DDB0);  // PB0 en sortie 
 DDRB |=(1<<DDB1);  // PB1 en sortie
 
 }
 
 void loop(){
 }