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--- et:software:homelab:library:timer [2010/02/11 11:50] – mikk.leini
+++ et:software:homelab:library:timer [2020/07/20 09:00] (current) – external edit 127.0.0.1
@@ Line 32: / Line 32: @@
     * //TIMERn_PRESCALE_Tn_FALLING// - Taktsignaal tuleb hoopis Tn viigu langeval frondil.
     * //TIMERn_PRESCALE_Tn_RISING// - Taktsignaal tuleb hoopis Tn viigu tõusval frondil.
+<pagebreak>
   * **//timer1_ctc_top//**
   * **//timer3_ctc_top//** \\ Taimer 1/3 CTC-režiimi maksimaalse loenduri väärtuse valiku tüüp. Väärtuste variandid ja tähendused ("n" tähistab 1 või 3):
@@ Line 186: / Line 186: @@
 	timer0_overflow_interrupt_enable(true);
-	// Globaalne katkestuse lubamine
+	// Globaalne katkestuste lubamine
 	sei();
 }
-</code>
-===== Lähtekood =====
-<code c>
-#include <avr/io.h>
-#include "bit.h"
-typedef enum
-{
-	TIMER0_NO_PRESCALE         = 0x01,
-	TIMER0_PRESCALE_8          = 0x02,
-	TIMER0_PRESCALE_32         = 0x03,
-	TIMER0_PRESCALE_64         = 0x04,
-	TIMER0_PRESCALE_128        = 0x05,
-	TIMER0_PRESCALE_256        = 0x06,
-	TIMER0_PRESCALE_1024       = 0x07
-}
-timer0_prescale;
-typedef enum
-{
-	TIMER1_NO_PRESCALE         = 0x01,
-	TIMER1_PRESCALE_8          = 0x02,
-	TIMER1_PRESCALE_64         = 0x03,
-	TIMER1_PRESCALE_256        = 0x04,
-	TIMER1_PRESCALE_1024       = 0x05,
-	TIMER1_PRESCALE_T1_FALLING = 0x06,
-	TIMER1_PRESCALE_T1_RISING  = 0x07
-}
-timer1_prescale;
-typedef enum
-{
-	TIMER1_CTC_TOP_OCRA = 0x04,
-	TIMER1_CTC_TOP_ICR  = 0x0C,
-}
-timer1_ctc_top;
-typedef enum
-{
-	TIMER1_FAST_PWM_TOP_256  = 0x01,
-	TIMER1_FAST_PWM_TOP_512  = 0x02,
-	TIMER1_FAST_PWM_TOP_1024 = 0x03,
-	TIMER1_FAST_PWM_TOP_ICR  = 0x0E,
-	TIMER1_PAST_PWM_TOP_OCRA = 0x0F,
-}
-timer1_fast_pwm_top;
-typedef enum
-{
-	TIMER1_FAST_PWM_OUTPUT_DISABLE         = 0x00,
-	TIMER1_FAST_PWM_OUTPUT_TOGGLE_ON_MATCH = 0x01,
-	TIMER1_FAST_PWM_OUTPUT_CLEAR_ON_MATCH  = 0x02,
-	TIMER1_FAST_PWM_OUTPUT_SET_ON_MATCH    = 0x03,
-} \
-timer1_fast_pwm_output_mode;
-inline void timer0_init_normal(timer0_prescale prescale)
-	{ TCCR0 = prescale & 0x07; }
-inline void timer0_stop()
-	{ TCCR0 = 0x00; }
-inline unsigned char timer0_get_value(void)
-	{ return TCNT0; }
-inline void timer0_set_value(unsigned char value)
-	{ TCNT0 = value; }
-inline void timer0_overflow_interrupt_enable(bool enable)
-	{ bit_set_to(TIMSK, TOIE0, enable); }
-inline bool timer0_overflow_flag_is_set(void)
-	{ return (bit_is_set(TIFR, TOV0) ? 1 : 0); }
-inline void timer0_overflow_flag_clear(void)
-	{ bit_set(TIFR, TOV0); }
-inline void timer1_init_normal(timer1_prescale prescale)
-	{ TCCR1A = 0x00; TCCR1B = (prescale & 0x07); TCCR1C = 0x00; }
-inline void timer1_init_ctc(timer1_prescale prescale, timer1_ctc_top top)
-{
-	TCCR1A = (top & 0x03);
-	TCCR1B = ((top & 0x0C) << 1) | (prescale & 0x07);
-	TCCR1C = 0x00;
-}
-inline void timer1_init_fast_pwm(
-		timer1_prescale prescale,
-		timer1_fast_pwm_top top,
-		timer1_fast_pwm_output_mode output_a,
-		timer1_fast_pwm_output_mode output_b,
-		timer1_fast_pwm_output_mode output_c)
-{
-	TCCR1A =
-		((output_a & 0x03) << 6) |
-		((output_b & 0x03) << 4) |
-		((output_c & 0x03) << 2) |
-		(top & 0x03); \
-	TCCR1B = ((top & 0x0C) << 1) | (prescale & 0x07);
-	TCCR1C = 0x00;
-}
-inline void timer1_stop()
-	{ TCCR1A = 0x00; TCCR1B = 0x00; TCCR1C = 0x00; }
-inline unsigned short timer1_get_value(void) { return TCNT1; }
-inline void timer1_set_value(unsigned short value) { TCNT1 = value; }
-inline unsigned short timer1_get_compare_match_unitA_value(void) { return OCR1A; }
-inline unsigned short timer1_get_compare_match_unitB_value(void) { return OCR1B; }
-inline unsigned short timer1_get_compare_match_unitC_value(void) { return OCR1C; }
-inline void timer1_set_compare_match_unitA_value(unsigned short value) { OCR1A = value; }
-inline void timer1_set_compare_match_unitB_value(unsigned short value) { OCR1B = value; }
-inline void timer1_set_compare_match_unitC_value(unsigned short value) { OCR1C = value; }
-inline unsigned short timer1_get_input_capture_value(void) { return ICR1; }
-inline void timer1_set_input_capture_value(unsigned short value) { ICR1 = value; }
-inline void timer1_overflow_interrupt_enable(bool enable) { bit_set_to(TIMSK, TOIE1, enable); }
-inline void timer1_compare_match_unitA_interrupt_enable(bool enable) { bit_set_to(TIMSK, OCIE1A, enable); }
-inline void timer1_compare_match_unitB_interrupt_enable(bool enable) { bit_set_to(TIMSK, OCIE1B, enable); }
-inline void timer1_compare_match_unitC_interrupt_enable(bool enable) { bit_set_to(TIMSK, OCIE1C, enable); }
-inline void timer1_input_capture_interrupt_enable(bool enable) { bit_set_to(TIMSK, TICIE1, enable); }
-inline bool timer1_overflow_flag_is_set(void) { return (bit_is_set(TIFR, TOV1) ? true : false); }
-inline void timer1_overflow_flag_clear(void) { bit_set(TIFR, TOV1); }
-inline bool timer1_input_capture_flag_is_set(void) { return (bit_is_set(TIFR, ICF1) ? true : false); }
-inline void timer1_input_capture_flag_clear(void) { bit_set(TIFR, ICF1); }
 </code>

et/software/homelab/library/timer.1265889013.txt.gz · Last modified: 2020/07/20 09:00 (external edit)