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headers and comments for module02

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hugo LAMY
2025-03-08 22:41:36 +01:00
parent d91524b14a
commit e63951591c
29 changed files with 592 additions and 518 deletions
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27
module02/ex01/timer.h Normal file
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#ifndef TIMER_H
#define TIMER_H
// table 16-5 : prescale sets
#define PRESCALE_SET(value) \
((value) == 1 ? (0<<CS12 | 0<<CS11 | 1<<CS10) : \
(value) == 8 ? (0<<CS12 | 1<<CS11 | 0<<CS10) : \
(value) == 64 ? (0<<CS12 | 1<<CS11 | 1<<CS10) : \
(value) == 256 ? (1<<CS12 | 0<<CS11 | 0<<CS10) : \
(value) == 1024? (1<<CS12 | 0<<CS11 | 1<<CS10) : \
(0<<CS12 | 0<<CS11 | 0<<CS10))
#define TIME_MS(ms, prescale_value) (((F_CPU / prescale_value) * ms) / 1000)
// Table 16-4 : Waveform Generation Mode Bit Description
#define CTC_TOP_OCR1A_IN_TCCR1B (0<<WGM13 | 1<<WGM12)
#define CTC_TOP_OCR1A_IN_TCCR1A (0<<WGM11 | 0<<WGM10)
#define CTC_TOP_ICR1_IN_TCCR1B (1<<WGM13 | 1<<WGM12)
#define CTC_TOP_ICR1_IN_TCCR1A (0<<WGM11 | 0<<WGM10)
#define FAST_PWM_TOP_OCR1A_IN_TCCR1B (1<<WGM13 | 1<<WGM12)
#define FAST_PWM_TOP_OCR1A_IN_TCCR1A (1<<WGM11 | 1<<WGM10)
#define FAST_PWM_TOP_ICR1_IN_TCCR1B (1<<WGM13 | 1<<WGM12)
#define FAST_PWM_TOP_ICR1_IN_TCCR1A (1<<WGM11 | 0<<WGM10)
// 16.11.8 : Timer/Counter1 Interrupt Mask Register
#define INTERRUPT_ENABLE_CHANNEL_A (1 << OCIE1A)
#define INTERRUPT_DISABLE_CHANNEL_A (0 << OCIE1A)
#endif // TIMER_H