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25 lines
516 B
25 lines
516 B
//Inter2.h
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//Begin main progr #include "Inter2.h" SetupInter2();
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volatile byte period;
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volatile uint16_t tt;
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void DoCligno() {
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if (tt++ > period) {
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tt=0; LedToggle;
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}
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}
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volatile byte cpf;
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ISR (TIMER2_OVF_vect) {
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TCNT2 = 141; // 58 us period
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if (cpf++ > 18-1) { cpf=0; // toutes les 18x58= ~1ms
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DoCligno(); // durée <2us
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}
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}
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void SetupInter2() { // initialisation
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TCCR2A = 0; //default
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TCCR2B = 0b00000010; // 2MHz
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TIMSK2 = 0b00000001; // TOIE2
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sei(); // Interrupt enabled
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}
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